CN115018227B - Methods, equipment, and computer storage media for determining oilfield modification and commissioning methods - Google Patents
Methods, equipment, and computer storage media for determining oilfield modification and commissioning methodsInfo
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Abstract
The embodiment of the application discloses a method and a device for determining an oilfield modification production mode and a computer storage medium, and belongs to the technical field of oil gas. The method comprises the steps of obtaining insensitive parameters corresponding to each well group in a plurality of well groups in a target oil field, determining target assignment number sets corresponding to the well groups, wherein the insensitive parameters corresponding to each well group are used for describing modification difficulty of the corresponding well groups, the target assignment number sets are assignment number sets enabling maximum parameter values of the insensitive parameters of the well groups and annual output of a target oil field to meet target constraint conditions, the assignment numbers of the target assignment number sets are in one-to-one correspondence with the well groups, any assignment number of the assignment numbers is used for indicating a production mode of the corresponding well groups, and the production mode of the well groups indicated by the target assignment number sets is determined to be a modification production mode of the target oil field. According to the embodiment of the application, the modification is carried out through mutual fusion among the well groups, and no modifier is needed to be added, so that the development cost of an oil field is reduced.
Description
Technical Field
The embodiment of the application relates to the technical field of oil gas, in particular to a method and a device for determining an oilfield modification production mode and a computer storage medium.
Background
At present, the oil price change factor is more and more complicated, and the requirements on the production level and economic benefit of the oil field are higher and higher. Therefore, the current production mode of the oil field needs to be further improved, so that the economic benefit is improved.
The oil fields comprise single-source reservoir oil fields and multi-source reservoir oil fields, and for the single-source reservoir oil fields, a production mode of 'good block first production' can be adopted, or a production mode of 'full life cycle' of improving the oil recovery quantity in the life cycle to realize the maximum benefit can be adopted. For multi-source reservoir oil fields, because of the current production mode, the interaction of various factors is less, and in ground construction, the conveying modes such as heat preservation conveying, additive modifying conveying, sequential conveying and the like are generally required. For multi-source reservoir oil fields, because certain thin oil exists in the area, the optimal way is to utilize the thin oil in the area to carry out modified crude oil transportation.
However, when crude oil is modified by using thin oil, the thin oil source is required to be fully fused, if the thin oil is not fully fused, effective modification cannot be performed, and the cost of capacity construction is greatly increased by externally inputting the thin oil. Meanwhile, the multisource reservoir oil field generally comprises more broken blocks, more single wells can be deployed, the productivity and crude oil property difference among the single wells is larger, the manual determination of the oil field production mode not only increases the workload of workers, but also has large calculated amount and is easy to make mistakes, the modified production is uncertain, and the economic benefit of the oil field cannot be maximized.
Disclosure of Invention
The embodiment of the application provides a method and a device for determining an oilfield modification production mode and a computer storage medium, which can solve the problem of high oilfield production cost in the related technology. The technical scheme is as follows:
in one aspect, a method for determining an oilfield modification production mode is provided, the method comprising:
Acquiring insensitive parameters corresponding to each well group in a plurality of well groups in a target oil field, wherein the insensitive parameters corresponding to each well group are used for describing the modification difficulty of the corresponding well group, and each well group comprises a plurality of single wells;
Determining a target assignment number set corresponding to the plurality of well groups, wherein the target assignment number set is an assignment number set for enabling the maximum parameter value of insensitive parameters of the plurality of well groups and annual output of the target oilfield to meet target constraint conditions, a plurality of assignment numbers of the target assignment number set are in one-to-one correspondence with the plurality of well groups, and any assignment number of the plurality of assignment numbers is used for indicating a production mode of the corresponding well group;
And determining the production mode of the well group indicated by the target assignment number set as the modified production mode of the target oil field.
In some embodiments, the obtaining insensitive parameters corresponding to each of the plurality of well groups in the target field includes:
Dividing a target oil field according to an oil well dividing principle to obtain a plurality of well groups;
Acquiring a mixed solidifying point and mixed viscosity of crude oil of each well group in the plurality of well groups after mixing;
And determining insensitive parameters of each well group according to the mixed solidifying point and the mixed viscosity of each well group.
In some embodiments, the determining the set of target assignment numbers for the plurality of well groups comprises:
Determining a plurality of assignment number sets corresponding to the plurality of well groups, wherein a plurality of assignment numbers in each assignment number set in the plurality of assignment number sets are in one-to-one correspondence with the plurality of well groups;
selecting a reference number of assignments set from the plurality of number of assignments sets, the reference number of assignments set being any number of assignments set not selected from the plurality of number of assignments sets;
Determining the maximum parameter value of insensitive parameters corresponding to the plurality of well groups and the annual output of the target oil field according to the production mode described by the reference assignment number set and the insensitive parameters corresponding to each well group;
Returning to the operation of selecting a reference assignment number set from the plurality of assignment number sets until the maximum parameter value of the insensitive parameter of the plurality of well groups and the annual production of the target oilfield meet the target constraint condition when the maximum parameter value of the insensitive parameter of the plurality of well groups does not meet the target constraint condition or the annual production of the target oilfield does not meet the target constraint condition;
the reference assignment number set is determined as the target assignment number set when a maximum parameter value of insensitive parameters of the plurality of well groups and an annual production of the target oilfield satisfy the target constraint.
In some embodiments, after the obtaining the insensitive parameter corresponding to each of the plurality of well groups in the target field, the method further includes:
Determining the modification difficulty of each well group according to the parameter value of the insensitive parameter of each well group;
and determining a production mode corresponding to each well group according to the modifying difficulty of each well group.
In some embodiments, determining the production mode corresponding to each well group according to the modifying difficulty of each well group includes:
When the modification difficulty degree of each well group is the primary degree or the secondary degree, executing the operation of determining the target assignment number set corresponding to the plurality of well groups;
when the well groups with the modified difficulty degree of three-level degree exist in the plurality of well groups, the well groups with the modified difficulty degree of three-level degree are put into production through a heat preservation heating conveying mode, a skin effect conveying mode and/or an additive modified conveying mode.
In another aspect, a device for determining a modified production mode of an oil field is provided, the device comprising:
The system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring insensitive parameters corresponding to each well group in a plurality of well groups in a target oil field, the insensitive parameters corresponding to each well group are used for describing the modification difficulty of the corresponding well group, and each well group comprises a plurality of single wells;
A first determining module, configured to determine a target assignment number set corresponding to the plurality of well groups, where the target assignment number set is an assignment number set that enables a maximum parameter value of insensitive parameters of the plurality of well groups and annual output of the target oilfield to meet a target constraint condition, a plurality of assignment numbers of the target assignment number set are in one-to-one correspondence with the plurality of well groups, and any one of the plurality of assignment numbers is used to indicate a production mode of the corresponding well group;
And the second determining module is used for determining the production mode of the well group indicated by the target assignment number set as the modified production mode of the target oil field.
In some embodiments, the acquisition module comprises:
dividing the target oil field according to an oil well dividing principle to obtain the plurality of well groups;
the obtaining submodule is used for obtaining the mixed solidifying point and the mixed viscosity of the crude oil of each well group in the plurality of well groups after mixing;
And the first determination submodule is used for determining insensitive parameters of each well group according to the mixed solidifying point and the mixed viscosity of each well group.
In some embodiments, the first determining module comprises:
A second determining submodule, configured to determine a plurality of assignment number sets corresponding to the plurality of well groups, where a plurality of assignment numbers in each of the plurality of assignment number sets corresponds to the plurality of well groups one to one;
a selection sub-module, configured to select a reference number of assignments set from the plurality of number of assignments sets, where the reference number of assignments set is any number of assignments set that is not selected from the plurality of number of assignments sets;
A third determining submodule, configured to determine a maximum parameter value of insensitive parameters corresponding to the plurality of well groups and annual output of the target oilfield according to the production mode described by the reference assignment number set and the insensitive parameters corresponding to each well group;
A triggering sub-module, configured to trigger the selecting sub-module to select a reference assignment number set from the plurality of assignment number sets until the maximum parameter value of the insensitive parameter of the plurality of well groups and the annual output of the target oilfield meet the target constraint condition, when the maximum parameter value of the insensitive parameter of the plurality of well groups does not meet the target constraint condition or the annual output of the target oilfield does not meet the target constraint condition;
A fourth determination sub-module for determining the set of reference assignment numbers as the set of target assignment numbers when a maximum parameter value of the insensitive parameters of the plurality of well groups and the annual production of the target oilfield satisfy the target constraint.
In some embodiments, the apparatus further comprises:
a third determining module, configured to determine a modification difficulty of each well group according to a parameter value of the insensitive parameter of each well group;
and the fourth determining module is used for determining the production mode corresponding to each well group according to the modifying difficulty of each well group.
In some embodiments, the fourth determination module is to:
When the modification difficulty degree of each well group is the primary degree or the secondary degree, executing the operation of determining the target assignment number set corresponding to the plurality of well groups;
when the well groups with the modified difficulty degree of three-level degree exist in the plurality of well groups, the well groups with the modified difficulty degree of three-level degree are put into production through a heat preservation heating conveying mode, a skin effect conveying mode and/or an additive modified conveying mode.
In another aspect, a computer readable storage medium is provided, the computer readable storage medium having instructions stored thereon, which when executed by a processor, implement any step in the method for determining an oilfield modification production method described above.
The technical scheme provided by the embodiment of the application has the beneficial effects that at least:
According to the embodiment of the application, the modification production mode of the target oil field can be determined according to the parameter values of insensitive parameters of a plurality of well groups and whether the annual output of the target oil field meets the target constraint condition, the standard is provided for oil field modification, and modification is carried out by mutually fusing the existing well groups without adding a modifier, so that the development cost of the oil field is reduced, and the production and crude oil conveying efficiency of the oil field is improved. Meanwhile, the accuracy and efficiency of determining the oilfield production mode are improved because the production mode is not required to be calculated and determined manually by staff.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for determining an oilfield modification production mode provided by an embodiment of the application;
FIG. 2 is a flow chart of a method for determining another oilfield modification production method provided by an embodiment of the application;
FIG. 3 is a schematic structural diagram of a determining device for an oilfield modification production mode provided by an embodiment of the application;
fig. 4 is a schematic structural diagram of an acquisition module according to an embodiment of the present application;
Fig. 5 is a schematic structural diagram of a first determining module according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a determining device for another oilfield modification production method according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings.
Before explaining the method for determining the oilfield modification production mode provided by the embodiment of the application in detail, an application scene provided by the embodiment of the application is explained.
The multi-source reservoir oil field refers to a multi-source hydrocarbon supply and multi-period reservoir formation multi-set oil-bearing layer oil field in oil-bearing depression, and the oil field has complex geological conditions, rich oil and gas resources and various oil types and often contains various oil reservoirs such as low-freezing oil, conventional oil, high-freezing oil and the like. For such reservoirs, production cannot be generally performed by a "good block first production" production mode, or by a "full life cycle" production mode in which the oil recovery rate is increased in the life cycle to maximize the benefit. Therefore, for multi-source reservoir-forming oil fields, the exploitation or normal-temperature transportation of oil reservoirs with higher freezing points is realized by utilizing thin oil. However, when crude oil is modified by using thin oil, the thin oil source is required to be fully fused, if the thin oil is not fully fused, effective modification cannot be performed, and the cost of capacity construction is greatly increased by externally inputting the thin oil. Meanwhile, the multisource reservoir oil field generally comprises more broken blocks, more single wells can be deployed, the productivity and crude oil property difference among the single wells is larger, the manual determination of the oil field production mode not only increases the workload of workers, but also has large calculated amount and is easy to make mistakes, the modified production is uncertain, and the economic benefit of the oil field cannot be maximized.
Based on the application scene, the embodiment of the application provides a method for determining the modification production mode of the oil field, which can reduce the exploitation cost of the oil field and improve the economic benefit of the oil field.
Fig. 1 is a flowchart of a method for determining an oilfield modification production method provided by an embodiment of the present application, where the method for determining an oilfield modification production method may include the following steps:
Step 101, acquiring insensitive parameters corresponding to each well group in a plurality of well groups in a target oil field, wherein the insensitive parameters corresponding to each well group are used for describing the modifying difficulty of the corresponding well group, and each well group comprises a plurality of single wells.
Step 102, determining a target assignment number set corresponding to the plurality of well groups, wherein the target assignment number set is an assignment number set for enabling the maximum parameter value of insensitive parameters of the plurality of well groups and annual output of the target oilfield to meet target constraint conditions, a plurality of assignment numbers of the target assignment number set are in one-to-one correspondence with the plurality of well groups, and any assignment number of the plurality of assignment numbers is used for indicating a production mode of the corresponding well group.
And 103, determining the production mode of the well group indicated by the target assignment number set as a modified production mode of the target oil field.
According to the embodiment of the application, the modification production mode of the target oil field can be determined according to the parameter values of insensitive parameters of a plurality of well groups and whether the annual output of the target oil field meets the target constraint condition, the standard is provided for oil field modification, and modification is carried out by mutually fusing the existing well groups without adding a modifier, so that the development cost of the oil field is reduced, and the production and crude oil conveying efficiency of the oil field is improved. Meanwhile, the accuracy and efficiency of determining the oilfield production mode are improved because the production mode is not required to be calculated and determined manually by staff.
In some embodiments, obtaining the corresponding insensitive parameter for each of the plurality of well groups in the target field comprises:
Dividing a target oil field according to an oil well dividing principle to obtain a plurality of well groups;
Acquiring a mixed solidifying point and mixed viscosity of crude oil of each well group in the plurality of well groups after mixing;
the insensitive parameter of each well group is determined based on the mixed freezing point and the mixed viscosity of each well group.
In some embodiments, determining a set of target assignment numbers for the plurality of well groups comprises:
Determining a plurality of assigned number sets corresponding to the plurality of well groups, wherein a plurality of assigned numbers in each assigned number set in the plurality of assigned number sets are in one-to-one correspondence with the plurality of well groups;
selecting a reference number of assignments set from the plurality of number of assignments sets, the reference number of assignments set being any number of assignments set not selected from the plurality of number of assignments sets;
determining the maximum parameter value of the insensitive parameters corresponding to the plurality of well groups and the annual output of the target oil field according to the production mode described by the reference assignment number set and the insensitive parameters corresponding to each well group;
returning to the operation of selecting the reference assignment number set from the plurality of assignment number sets until the maximum parameter value of the insensitive parameter of the plurality of well groups and the annual production of the target oilfield meet the target constraint condition when the maximum parameter value of the insensitive parameter of the plurality of well groups does not meet the target constraint condition or the annual production of the target oilfield does not meet the target constraint condition;
the reference assignment number set is determined as the target assignment number set when the maximum parameter value of the insensitive parameters of the plurality of well groups and the annual production of the target oilfield satisfy the target constraint.
In some embodiments, after obtaining the insensitive parameter corresponding to each of the plurality of well groups in the target field, further comprising:
determining the difficulty of modification of each well group according to the parameter value of the insensitive parameter of each well group;
and determining the corresponding production mode of each well group according to the modifying difficulty of each well group.
In some embodiments, determining the corresponding production mode of each well group according to the modifying difficulty of the each well group comprises:
when the modification difficulty degree of each well group is a primary degree or a secondary degree, executing the operation of determining a target assignment number set corresponding to the plurality of well groups;
When the well group with the modified difficulty degree of three-level degree exists in the plurality of well groups, the well group with the modified difficulty degree of three-level degree is put into production through a heat preservation heating conveying mode, a skin effect conveying mode and/or an additive modified conveying mode.
All the above optional technical solutions may be combined according to any choice to form an optional embodiment of the present application, and the embodiments of the present application will not be described in detail.
Fig. 2 is a flowchart of a method for determining an oilfield modification production method provided by an embodiment of the present application, where the method for determining an oilfield modification production method is applied to a terminal for illustration, and the method for determining an oilfield modification production method may include the following steps:
Step 201, a terminal obtains insensitive parameters corresponding to each well group in a plurality of well groups in a target oil field, wherein the insensitive parameters corresponding to each well group are used for describing the modifying difficulty of the corresponding well group, and each well group comprises a plurality of single wells.
Because the insensitive parameters can describe the modification difficulty of the corresponding well groups, in order to improve the exploitation efficiency of the target oil field and reduce the exploitation cost, the terminal can acquire the insensitive parameters corresponding to each well group.
As an example, the operation of obtaining insensitive parameters corresponding to each well group in the plurality of well groups in the target oil field by the terminal at least comprises the following operation of dividing the target oil field according to an oil well dividing principle to obtain a plurality of well groups, obtaining mixed solidifying points and mixed viscosities of crude oil of each well group in the plurality of well groups after mixing, and determining insensitive parameters of each well group according to the mixed solidifying points and the mixed viscosities of each well group.
In the normal case, when the oil field is produced, the broken blocks or single wells which are closer to each other are put into production at the same stage, meanwhile, the yield is reduced every year by considering the reduction rate of the oil field, and 1 well group yield can be repaired as much as possible, so that 2-4 single wells which are closer to each other are generally put into production at the same stage. Therefore, the well dividing principle can divide a first preset number of single wells which are adjacent and are continuously distributed into one well group, and/or divide blocks with the number of single wells being larger than the preset reserve and the number of single wells being larger than the second preset number into N well groups, wherein N is a positive integer which is larger than or equal to 1.
It should be noted that the first preset number may be set in advance, for example, the first preset number may be 2, 3, or the like, the second preset number may also be set in advance, for example, the second preset number is 4, 6, 8, 10, or the like, and the value of N may be different according to the difference between the second preset number, for example, N may be 1 or 2 when the second preset number is 4, N may be 1,2, or 3 when the second preset number is 6, and N may be 1,2, or 3 when the second preset number is 10. The preset reserve can also be set in advance, for example, the preset reserve can be 10 tons, 20 tons, or the like.
In some embodiments, the terminal may be configured to obtain a mixing solidification point and a mixing viscosity of the crude oil after mixing for each of the plurality of well groups upon receiving an acquisition instruction, where the acquisition instruction may be triggered when a worker acts on the terminal through a specified operation, where the specified operation may be a click operation, a slide operation, an input operation, or the like. When the designated operation is an input operation, the mixed solidifying point and the mixed viscosity of the crude oil of each well group after mixing are input to a terminal by a worker so as to obtain the terminal.
As an example, for any of a plurality of well groups, the terminal can obtain the freezing point and viscosity of each individual well in the well group, determine the mixed freezing point for the well group according to the following crude oil freezing point modification law equation (1), and determine the mixed viscosity for the well group according to the following crude oil viscosity modification law equation (2).
T=X1T1+T2X2+...+XnTn (1)
In the above formula (1) for modifying the solidification point of crude oil, X n is the ratio of the amount of the n-th single-well crude oil to the total amount, T n is the solidification point of the n-th single-hit crude oil, and T is the mixed solidification point. In the above formula (2) for modifying the viscosity of crude oil, μ is the mixed viscosity, μ n is the viscosity of the nth single well crude oil, μ 1/n is the viscosity of the n single well crude oils after mixing by equal mass or volume.
As one example, the operation of the terminal to determine the insensitive parameter for each well group based on the mixed freezing point and the mixed viscosity of each well group includes at least the operations of, for any well group, the terminal comparing the mixed freezing point of the well group with the freezing point of the crude oil for each individual well in the well group and comparing the mixed viscosity of the well group with the viscosity of the crude oil for each individual well in the well group, determining the mixed freezing point as the insensitive parameter when the change in freezing point between the mixed freezing point and the freezing point of the crude oil for each individual well is less than a first change threshold, and determining the mixed viscosity as the insensitive parameter when the change in viscosity between the mixed viscosity and the viscosity of the crude oil for each individual well is less than a second change threshold.
It should be noted that, the first change threshold and the second change threshold may be set in advance according to the requirement, for example, the first change threshold may be 18 degrees celsius, 20 degrees celsius, 36 degrees celsius, or the like. The second variation threshold can be 9map.s, 15map.s, etc.
As an example, the terminal can also determine the mixing freezing point directly as an insensitive parameter for each of the plurality of well groups.
In some embodiments, a worker can perform a physical property test on the crude oil in each individual well in the target oilfield in advance to obtain physical property parameters of the crude oil in each individual well, such as, for example, the relative density, freezing point, wax content, asphaltene content, viscosity, and the like of the crude oil. Thereafter, the worker can input the acquired physical property parameters into the terminal so that the terminal can acquire the freezing point and viscosity of each individual well.
In some embodiments, since some well groups are mixed and the modification effect is poor, it is difficult to achieve the economic transportation requirement, after obtaining insensitive parameters corresponding to each well group in the plurality of well groups in the target oil field, the terminal can also determine the modification difficulty of each well group according to the parameter value of the insensitive parameters of each well group, and determine the production mode corresponding to each well group according to the modification difficulty of each well group.
As an example, when the insensitive parameter is a mixed freezing point, the terminal can subtract the freezing point threshold value from the mixed freezing point of any well group to obtain freezing point difference, when the freezing point difference is larger than a first sensitive threshold value, the modification difficulty of the well group is determined to be three-level, when the freezing point difference is between the first sensitive threshold value and a second sensitive threshold value, the modification difficulty of the well group is determined to be two-level, and when the freezing point difference is smaller than the second sensitive threshold value, the modification difficulty of the well group is determined to be one-level.
It should be noted that the freezing point threshold is a freezing point value capable of reducing the crude oil transportation cost, and the freezing point threshold can be set in advance according to the requirement, for example, the freezing point threshold is 10 degrees celsius, 8 degrees celsius, 4 degrees celsius, or the like. The first sensitivity threshold and the second sensitivity threshold can be set in advance, for example, the first sensitivity threshold is 4 degrees celsius, and the second sensitivity threshold is-4 degrees celsius.
It should be further noted that, when the insensitive parameter is the mixed viscosity, the terminal determines the modifying difficulty of each well group according to the parameter value of the insensitive parameter of each well group, and the embodiment of the present application will not be described in detail.
In some embodiments, the terminal determines the operation of the production mode corresponding to each well group according to the modification difficulty degree of each well group, wherein the operation comprises the following steps 202 and 203 when the modification difficulty degree of each well group is a first level degree or a second level degree, and the operation of determining the production mode by the following steps 202 and 203 when the well group with the modification difficulty degree of three levels exists in the plurality of well groups, the well group with the modification difficulty degree of three levels is produced by a heat preservation heating conveying mode, a skin effect conveying mode and/or an additive modification conveying mode, and the well group with the remaining modification difficulty degree of one level or the second level is produced by the operation of the following steps 202 and 203.
Step 202, the terminal determines a target assignment number set corresponding to a plurality of well groups.
It should be noted that, the target assignment number set is an assignment number set that makes the maximum parameter value of the insensitive parameters of the plurality of well groups and the annual output of the target oilfield meet the target constraint condition, the plurality of assignment numbers of the target assignment number set are in one-to-one correspondence with the plurality of well groups, and any assignment number of the plurality of assignment numbers is used for indicating the production mode of the corresponding well group.
As an example, the set of target assignment numbers can be a set of binary representations, e.g., an assignment number can be 0 or 1, indicating that the well group corresponding to the assignment number is put into production when the assignment number is 1, and indicating that the well group corresponding to the assignment number is not put into production when the assignment number is 0.
In some embodiments, the operation of determining the target assignment number set corresponding to the plurality of well groups by the terminal at least comprises the following operations of determining the plurality of assignment number sets corresponding to the plurality of well groups, wherein the plurality of assignment number sets in each assignment number set corresponds to the plurality of well groups one by one, selecting a reference assignment number set from the plurality of assignment number sets, wherein the reference assignment number set is any one of the plurality of assignment number sets which is not selected, determining the maximum parameter value of the insensitive parameter corresponding to the plurality of well groups and the annual output of the target oil field according to the production mode described by the reference assignment number set and the insensitive parameter corresponding to each well group, returning to the operation of selecting the reference assignment number set from the plurality of assignment number sets until the maximum parameter value of the insensitive parameter of the plurality of well groups and the annual output of the target oil field meet the target constraint condition when the maximum parameter of the plurality of well groups and the annual output of the target oil field meet the target constraint condition, and determining the annual output of the insensitive parameter corresponding to the plurality of well groups as the reference annual output of the target assignment number set.
Because the annual output may meet the requirements of the development scheme after the crude oils of different single wells are mixed, the annual output may not meet the requirements of the development scheme, and the mixed mixture may be more difficult to develop after the crude oils of different single wells are mixed, after determining a plurality of well groups, the terminal needs to determine whether the maximum parameter values of insensitive parameters corresponding to the plurality of well groups and the annual output of the target oil field meet the target constraint conditions in different production modes. That is, the terminal can select a reference assignment number set from the multiple assignment number sets, determine a maximum parameter value of the insensitive parameter corresponding to the multiple well groups and an annual output of the target oilfield according to the production mode described in the reference assignment number set and the insensitive parameter corresponding to each well group, and determine whether the maximum parameter value of the insensitive parameter corresponding to the multiple well groups and the annual output of the target oilfield meet the target constraint condition.
As an example, the operation of the terminal to determine the maximum parameter value of the insensitive parameter corresponding to the plurality of well groups and the annual output of the target oilfield according to the production mode described by the reference assignment number set and the insensitive parameter corresponding to each well group at least comprises the following operations of determining the annual output after each well group is produced according to the production mode described by the reference assignment number set to obtain a plurality of annual outputs corresponding to the plurality of well groups, adding the plurality of annual outputs to obtain the annual output of the target oilfield, and using a first formula to be expressed as: And comparing the parameter values of the insensitive parameters corresponding to each well group to obtain the maximum parameter value of the insensitive parameters corresponding to the plurality of well groups.
In the first formula (3), P i is the annual output of the ith well group of the plurality (n) of well groups, and Q is the annual output of the target oilfield.
As an example, the terminal can determine the annual production of each well group by the following second equation (4).
In the second formula (4), Q 0 is the initial yield of the single well decreasing gradually, J is the oil production index, H is the effective thickness, m, Δp is the production pressure difference, MPa, Q i is the yield of the single well decreasing gradually for the ith year, D is the rate of decrease, t is the production year, t r is the reference year, Q i is the annual yield of the single well, n 1 is the number of single wells in any well group, and P i is the annual yield of the ith well group.
In some embodiments, the target constraint condition is a condition of improving the annual output of the target oil well and reducing the production cost of the oil well, and the terminal can set the target constraint condition in advance according to requirements, for example, the target constraint condition includes that after the maximum parameter value of insensitive parameters of a plurality of well groups is multiplied by the corresponding assigned number in the reference assigned number set and the annual output after each corresponding well group is produced, the obtained similarity between the reference freezing point and the reference threshold is greater than or equal to the similarity threshold, and the annual output of the target oil field is greater than or equal to the first output threshold and less than the second output threshold.
As an example, the process of obtaining the reference freezing point after multiplying the maximum parameter value of the insensitive parameter of the plurality of well groups by the corresponding assigned number in the reference assigned number set and the corresponding annual output after each well group is put into operation can be represented by the following third formula.
It should be noted that, in the third formula (5), when the insensitive parameter of the ith well group is the least sensitive parameter (the parameter value is the largest) among the insensitive parameters corresponding to the plurality of well groups, F i is the parameter value of the insensitive parameter corresponding to the ith well group, B i is the assigned number indicating whether the ith well group is put into production, and T gm is the reference freezing point.
It should be noted that, the similarity threshold value can be set in advance according to the requirement, for example, the similarity threshold value can be 95%, 98%, or the like.
It should be further noted that the first yield threshold may be set in advance as well as the second yield threshold, for example, the first yield threshold may be 0.8 times the planned annual oil yield (i.e., 0.8×q s), and the second yield threshold may be 1.2 times the planned annual oil yield (i.e., 1.2×q s).
And 203, determining the production mode of the well group indicated by the target assignment number set as the modified production mode of the target oil field by the terminal.
The well group production mode indicated by the target assignment number set can enable the maximum parameter value of insensitive parameters of a plurality of well groups and the annual output of the target oil well to meet the target constraint condition, so that the annual output of the target oil well is guaranteed, and the production cost is reduced, so that the terminal can determine the well group production mode indicated by the target assignment number set as the modified production mode of the target oil field.
And 204, the terminal prompts the production mode of the target oil field through prompt information.
In order to enable a worker to know the production mode of a target oil field, the terminal can prompt the production mode of each well group in a plurality of well groups in the target oil field through prompt information.
As an example, the terminal can directly remind through prompt information in the form of text, voice, video and the like. The prompt message can also be sent to the handheld device of the staff to prompt the staff.
According to the embodiment of the application, the terminal can determine the modification production mode of the target oil field according to the parameter values of insensitive parameters of a plurality of well groups and whether the annual output of the target oil field meets the target constraint condition, provide a standard for oil field modification, realize crude oil modification by mutually fusing the existing well groups, keep the property of the crude oil relatively stable within a certain time under the condition of ensuring that the productivity of the oil field is unchanged, and avoid adding a modifier additionally, thereby reducing the development cost of the oil field and improving the production and crude oil conveying efficiency of the oil field. Meanwhile, the accuracy and efficiency of determining the oilfield production mode are improved because the production mode is not required to be calculated and determined manually by staff.
Fig. 3 is a schematic structural diagram of a device for determining an oilfield modification production method according to an embodiment of the present application, where the device for determining an oilfield modification production method may be implemented by software, hardware, or a combination of both. The device for determining the oilfield modification production mode can comprise an acquisition module 301, a first determination module 302 and a second determination module 303.
An obtaining module 301, configured to obtain insensitive parameters corresponding to each well group in a plurality of well groups in a target oil field, where the insensitive parameters corresponding to each well group are used to describe difficulty of modification of the corresponding well group, and each well group includes a plurality of single wells;
A first determining module 302, configured to determine a target assignment number set corresponding to the plurality of well groups, where the target assignment number set is an assignment number set that enables a maximum parameter value of insensitive parameters of the plurality of well groups and annual output of the target oilfield to meet a target constraint condition, a plurality of assignment numbers of the target assignment number set are in one-to-one correspondence with the plurality of well groups, and any one of the plurality of assignment numbers is used to indicate a production mode of the corresponding well group;
A second determining module 303, configured to determine a production mode of the well group indicated by the target assignment number set as a modified production mode of the target oilfield.
In some embodiments, referring to fig. 4, the acquiring module 301 includes:
The dividing submodule 3011 is used for dividing a target oil field according to an oil well dividing principle to obtain the plurality of well groups;
An acquisition submodule 3012, configured to acquire a mixed solidification point and a mixed viscosity of crude oil of each well group in the plurality of well groups after mixing;
A first determining submodule 3013 is configured to determine the insensitive parameter of each well group according to the mixed solidification point and the mixed viscosity of each well group.
In some embodiments, referring to fig. 5, the first determining module 302 includes:
a second determining submodule 3021, configured to determine a plurality of assignment number sets corresponding to the plurality of well groups, where a plurality of assignment numbers in each of the plurality of assignment number sets corresponds to the plurality of well groups one to one;
A selection submodule 3022 for selecting a reference number of assignments set from the plurality of number of assignments sets, the reference number of assignments set being any number of assignments set not selected from the plurality of number of assignments sets;
A third determining submodule 3023, configured to determine, according to the production mode described in the reference assignment number set and the insensitive parameters corresponding to each well group, a maximum parameter value of the insensitive parameters corresponding to the plurality of well groups and an annual output of the target oilfield;
A triggering sub-module 3024 configured to trigger the selecting sub-module 3022 to select a reference assignment number set from the plurality of assignment number sets until the maximum parameter value of the insensitive parameter of the plurality of well groups and the annual production of the target oilfield satisfy the target constraint condition when the maximum parameter value of the insensitive parameter of the plurality of well groups does not satisfy the target constraint condition or the annual production of the target oilfield does not satisfy the target constraint condition;
a fourth determination submodule 3025 for determining the set of reference assignment numbers as the set of target assignment numbers when a maximum parameter value of the insensitive parameters of the plurality of well groups and the annual production of the target oilfield meet the target constraint.
In some embodiments, referring to fig. 6, the apparatus further comprises:
a third determining module 304, configured to determine a modification difficulty of each well group according to the parameter value of the insensitive parameter of each well group;
And a fourth determining module 305, configured to determine a production mode corresponding to each well group according to the modification difficulty of each well group.
In some embodiments, the fourth determining module 305 is configured to:
When the modification difficulty degree of each well group is the primary degree or the secondary degree, executing the operation of determining the target assignment number set corresponding to the plurality of well groups;
when the well groups with the modified difficulty degree of three-level degree exist in the plurality of well groups, the well groups with the modified difficulty degree of three-level degree are put into production through a heat preservation heating conveying mode, a skin effect conveying mode and/or an additive modified conveying mode.
According to the embodiment of the application, the terminal can determine the modification production mode of the target oil field according to the parameter values of insensitive parameters of a plurality of well groups and whether the annual output of the target oil field meets the target constraint condition, provide a standard for oil field modification, realize crude oil modification by mutually fusing the existing well groups, keep the property of the crude oil relatively stable within a certain time under the condition of ensuring that the productivity of the oil field is unchanged, and avoid adding a modifier additionally, thereby reducing the development cost of the oil field and improving the production and crude oil conveying efficiency of the oil field. Meanwhile, the accuracy and efficiency of determining the oilfield production mode are improved because the production mode is not required to be calculated and determined manually by staff.
It should be noted that, when the determination device for the oilfield modification production method provided by the embodiment determines the oilfield modification production method, only the division of the functional modules is used for illustration, in practical application, the functional allocation may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the device for determining the oilfield modification production mode provided in the above embodiment and the method embodiment for determining the oilfield modification production mode belong to the same concept, and detailed implementation processes of the device are shown in the method embodiment, which is not described herein.
Fig. 7 shows a block diagram of a terminal 700 according to an exemplary embodiment of the present application. The terminal 700 may be a smart phone, a tablet computer, a notebook computer, or a desktop computer. Terminal 700 may also be referred to by other names of user devices, portable terminals, laptop terminals, desktop terminals, etc.
In general, the terminal 700 includes a processor 701 and a memory 702.
Processor 701 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and the like. The processor 701 may be implemented in at least one hardware form of DSP (DIGITAL SIGNAL Processing), FPGA (Field-Programmable gate array), PLA (Programmable Logic Array ). The processor 701 may also include a main processor, which is a processor for processing data in a wake-up state, also referred to as a CPU (Central Processing Unit ), and a coprocessor, which is a low-power processor for processing data in a standby state. In some embodiments, the processor 701 may be integrated with a GPU (Graphics Processing Unit, image processor) for rendering and drawing of content required to be displayed by the display screen. In some embodiments, the processor 701 may also include an AI (ARTIFICIAL INTELLIGENCE ) processor for processing computing operations related to machine learning.
Memory 702 may include one or more computer-readable storage media, which may be non-transitory. The memory 702 may also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in memory 702 is used to store at least one instruction for execution by processor 701 to implement the method of determining oilfield modification production practices provided by method embodiments of the present application.
In some embodiments, terminal 700 can optionally further comprise a peripheral interface 703 and at least one peripheral. The processor 701, the memory 702, and the peripheral interface 703 may be connected by a bus or signal lines. The individual peripheral devices may be connected to the peripheral device interface 703 via buses, signal lines or a circuit board. Specifically, the peripheral devices include at least one of radio frequency circuitry 704, a display screen 705, a camera assembly 706, audio circuitry 707, a positioning assembly 708, and a power supply 709.
A peripheral interface 703 may be used to connect I/O (Input/Output) related at least one peripheral device to the processor 701 and memory 702. In some embodiments, the processor 701, the memory 702, and the peripheral interface 703 are integrated on the same chip or circuit board, and in some other embodiments, either or both of the processor 701, the memory 702, and the peripheral interface 703 may be implemented on separate chips or circuit boards, which is not limited in this embodiment.
The Radio Frequency circuit 704 is configured to receive and transmit RF (Radio Frequency) signals, also referred to as electromagnetic signals. The radio frequency circuitry 704 communicates with a communication network and other communication devices via electromagnetic signals. The radio frequency circuit 704 converts an electrical signal into an electromagnetic signal for transmission, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuitry 704 includes an antenna system, an RF transceiver, one or more amplifiers, tuners, oscillators, digital signal processors, codec chipsets, subscriber identity module cards, and so forth. The radio frequency circuitry 704 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to, metropolitan area networks, generation-by-generation mobile communication networks (2G, 3G, 4G, and 5G), wireless local area networks, and/or WiFi (WIRELESS FIDELITY ) networks. In some embodiments, the radio frequency circuit 704 may further include NFC (NEAR FIELD Communication) related circuits, which is not limited by the present application.
The display screen 705 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display 705 is a touch display, the display 705 also has the ability to collect touch signals at or above the surface of the display 705. The touch signal may be input to the processor 701 as a control signal for processing. At this time, the display 705 may also be used to provide virtual buttons and/or virtual keyboards, also referred to as soft buttons and/or soft keyboards. In some embodiments, the display 705 may be one, with the front panel of the terminal 700 disposed, in other embodiments, at least two, with the display 705 disposed on different surfaces or in a folded configuration of the terminal 700, respectively, and in other embodiments, the display 705 may be a flexible display disposed on a curved surface or a folded surface of the terminal 700. Even more, the display 705 may be arranged in a non-rectangular irregular pattern, i.e. a shaped screen. The display 705 may be made of LCD (Liquid CRYSTAL DISPLAY), OLED (Organic Light-Emitting Diode) or other materials.
The camera assembly 706 is used to capture images or video. Optionally, the camera assembly 706 includes a front camera and a rear camera. Typically, the front camera is disposed on the front panel of the terminal and the rear camera is disposed on the rear surface of the terminal. In some embodiments, the at least two rear cameras are any one of a main camera, a depth camera, a wide-angle camera and a tele camera, so as to realize that the main camera and the depth camera are fused to realize a background blurring function, and the main camera and the wide-angle camera are fused to realize a panoramic shooting and Virtual Reality (VR) shooting function or other fusion shooting functions. In some embodiments, camera assembly 706 may also include a flash. The flash lamp can be a single-color temperature flash lamp or a double-color temperature flash lamp. The dual-color temperature flash lamp refers to a combination of a warm light flash lamp and a cold light flash lamp, and can be used for light compensation under different color temperatures.
The audio circuit 707 may include a microphone and a speaker. The microphone is used for collecting sound waves of users and environments, converting the sound waves into electric signals, and inputting the electric signals to the processor 701 for processing, or inputting the electric signals to the radio frequency circuit 704 for voice communication. For the purpose of stereo acquisition or noise reduction, a plurality of microphones may be respectively disposed at different portions of the terminal 700. The microphone may also be an array microphone or an omni-directional pickup microphone. The speaker is used to convert electrical signals from the processor 701 or the radio frequency circuit 704 into sound waves. The speaker may be a conventional thin film speaker or a piezoelectric ceramic speaker. When the speaker is a piezoelectric ceramic speaker, not only the electric signal can be converted into a sound wave audible to humans, but also the electric signal can be converted into a sound wave inaudible to humans for ranging and other purposes. In some embodiments, the audio circuit 707 may also include a headphone jack.
The location component 708 is operative to locate the current geographic location of the terminal 700 for navigation or LBS (Location Based Service, location-based services). The positioning component 708 may be a positioning component based on the United states GPS (Global Positioning System ), the Beidou system of China, the Granati system of Russia, or the Galileo system of the European Union.
A power supply 709 is used to power the various components in the terminal 700. The power supply 709 may be an alternating current, a direct current, a disposable battery, or a rechargeable battery. When the power supply 709 includes a rechargeable battery, the rechargeable battery may support wired or wireless charging. The rechargeable battery may also be used to support fast charge technology.
In some embodiments, the terminal 700 further includes one or more sensors 710. The one or more sensors 710 include, but are not limited to, an acceleration sensor 711, a gyroscope sensor 712, a pressure sensor 713, a fingerprint sensor 714, an optical sensor 715, and a proximity sensor 716.
The acceleration sensor 711 can detect the magnitudes of accelerations on three coordinate axes of the coordinate system established with the terminal 700. For example, the acceleration sensor 711 may be used to detect the components of the gravitational acceleration in three coordinate axes. The processor 701 may control the display screen 705 to display a user interface in a landscape view or a portrait view based on the gravitational acceleration signal acquired by the acceleration sensor 711. The acceleration sensor 711 may also be used for the acquisition of motion data of a game or a user.
The gyro sensor 712 may detect a body direction and a rotation angle of the terminal 700, and the gyro sensor 712 may collect a 3D motion of the user to the terminal 700 in cooperation with the acceleration sensor 711. The processor 701 can realize functions such as motion sensing (e.g., changing a UI according to a tilting operation of a user), image stabilization at photographing, game control, and inertial navigation, based on data acquired by the gyro sensor 712.
The pressure sensor 713 may be disposed at a side frame of the terminal 700 and/or at a lower layer of the display screen 705. When the pressure sensor 713 is disposed at a side frame of the terminal 700, a grip signal of the user to the terminal 700 may be detected, and the processor 701 performs left-right hand recognition or quick operation according to the grip signal collected by the pressure sensor 713. When the pressure sensor 713 is disposed at the lower layer of the display screen 705, the processor 701 controls the operability control on the UI interface according to the pressure operation of the user on the display screen 705. The operability controls include at least one of a button control, a scroll bar control, an icon control, and a menu control.
The fingerprint sensor 714 is used to collect a fingerprint of the user, and the processor 701 identifies the identity of the user based on the fingerprint collected by the fingerprint sensor 714, or the fingerprint sensor 714 identifies the identity of the user based on the collected fingerprint. Upon recognizing that the user's identity is a trusted identity, the processor 701 authorizes the user to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying for and changing settings, etc. The fingerprint sensor 714 may be provided on the front, back or side of the terminal 700. When a physical key or vendor Logo is provided on the terminal 700, the fingerprint sensor 714 may be integrated with the physical key or vendor Logo.
The optical sensor 715 is used to collect the ambient light intensity. In one embodiment, the processor 701 may control the display brightness of the display screen 705 based on the ambient light intensity collected by the optical sensor 715. Specifically, the display luminance of the display screen 705 is turned up when the ambient light intensity is high, and the display luminance of the display screen 705 is turned down when the ambient light intensity is low. In another embodiment, the processor 701 may also dynamically adjust the shooting parameters of the camera assembly 706 based on the ambient light intensity collected by the optical sensor 715.
A proximity sensor 716, also referred to as a distance sensor, is typically provided on the front panel of the terminal 700. The proximity sensor 716 is used to collect the distance between the user and the front of the terminal 700. In one embodiment, the processor 701 controls the display 705 to switch from the bright screen state to the off screen state when the proximity sensor 716 detects that the distance between the user and the front of the terminal 700 is gradually decreasing, and the processor 701 controls the display 705 to switch from the off screen state to the bright screen state when the proximity sensor 716 detects that the distance between the user and the front of the terminal 700 is gradually increasing.
Those skilled in the art will appreciate that the structure shown in fig. 7 is not limiting of the terminal 700 and may include more or fewer components than shown, or may combine certain components, or may employ a different arrangement of components.
The embodiment of the application also provides a non-transitory computer readable storage medium, when the instructions in the storage medium are executed by the processor of the terminal, the terminal can execute the method for determining the oilfield modification production mode provided by the embodiment.
The embodiment of the application also provides a computer program product containing instructions, which when run on a terminal, causes the terminal to execute the method for determining the oilfield modification production mode provided by the embodiment.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and the storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The foregoing description of the preferred embodiments of the present application is not intended to limit the embodiments of the present application, but is intended to cover any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the embodiments of the present application.
Claims (9)
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| CN110633877A (en) * | 2018-06-21 | 2019-12-31 | 中国石油天然气股份有限公司 | Method, device and storage medium for determining technical indicators |
| CN112240181A (en) * | 2020-10-30 | 2021-01-19 | 中国石油天然气股份有限公司 | Deployment method, device, equipment and storage medium for water injection development of oil field well position |
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| IT1401501B1 (en) * | 2010-08-02 | 2013-07-26 | Eni Spa | METHOD FOR PREDUCING QUALITIES AND YIELD OF A CRUDE |
| AU2011360213B2 (en) * | 2011-02-21 | 2016-09-29 | Exxonmobil Upstream Research Company | Method and system for field planning |
| CN105631754B (en) * | 2015-12-29 | 2019-03-15 | 中国石油天然气股份有限公司 | A method and apparatus for determining production profile data of an overseas oilfield |
| RU2670801C9 (en) * | 2017-12-29 | 2018-11-26 | Публичное акционерное общество "Газпром нефть" | System of integrated conceptual design of hydrocarbon fields |
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| CN110633877A (en) * | 2018-06-21 | 2019-12-31 | 中国石油天然气股份有限公司 | Method, device and storage medium for determining technical indicators |
| CN112240181A (en) * | 2020-10-30 | 2021-01-19 | 中国石油天然气股份有限公司 | Deployment method, device, equipment and storage medium for water injection development of oil field well position |
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