CN114626177A

CN114626177A - Method, device and equipment for determining association degree and storage medium

Info

Publication number: CN114626177A
Application number: CN202011454176.6A
Authority: CN
Inventors: 熊英; 张雅喆; 许红恩; 李冉; 林云; 邓鲁强; 郭志强; 王啊丽; 马超; 段理
Original assignee: Petrochina Co Ltd
Current assignee: Petrochina Co Ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2022-06-14

Abstract

The application discloses a method, a device, equipment and a storage medium for determining a relevance degree, and belongs to the technical field of oil exploitation. The method comprises the following steps: the method comprises the steps of obtaining a water injection amount group of a water injection well and a plurality of parameter groups of an oil well communicated with the water injection well, wherein the water injection amount group comprises a plurality of water injection amounts, each parameter group comprises a plurality of oil well parameters belonging to the same type, the type comprises any one of liquid production amount, oil pipe pressure, casing pressure, fluid pressure and liquid level depth, obtaining the association degree of the water injection amount group and each parameter group in the plurality of parameter groups according to the water injection amount group and the plurality of parameter groups, conducting weighting processing on the association degrees corresponding to the plurality of parameter groups based on the weight of each parameter group, and determining a target association degree for representing the correlation degree between the water injection amount of the water injection well and the production amount of the oil well. The scheme provided by the embodiment of the application expands the factors considered for determining the correlation degree between the water injection quantity and the exploitation quantity, and improves the accuracy of the determined correlation degree.

Description

Method, device and equipment for determining association degree and storage medium

Technical Field

The application relates to the technical field of oil exploitation, in particular to a method, a device, equipment and a storage medium for determining a relevance degree.

Background

Water flooding development refers to a method of injecting water into an oil well through a water injection well to increase the pressure in the oil well and thereby increase the recovery rate of the oil well. Water flooding development is a common mode of oilfield exploitation and is widely applied.

Because the oil deposit is heterogeneous, the water injection volume of water injection well is different, can lead to the oil well recovery volume also different, can adjust the water injection volume of water injection well usually to the volume of adjusting the oil well recovery. Before adjustment, the degree of correlation between the water injection amount of the water injection well and the recovery amount of the oil well needs to be determined, so that a method for determining the degree of correlation between the water injection amount of the water injection well and the recovery amount of the oil well is needed.

Disclosure of Invention

The embodiment of the application provides a method, a device, equipment and a storage medium for determining the relevancy, which are used for determining the relevancy by integrating a plurality of oil well parameters, expanding factors considered for determining the relevancy between the water injection amount and the production amount and improving the accuracy of the determined relevancy. The technical scheme provided by the embodiment of the application is as follows:

in one aspect, an embodiment of the present application provides a method for determining a relevance, where the method includes:

acquiring a water injection quantity group of a water injection well and a plurality of parameter groups of an oil well communicated with the water injection well, wherein the water injection quantity group comprises a plurality of water injection quantities, each parameter group comprises a plurality of oil well parameters belonging to the same type, the type comprises any one of liquid production quantity, oil pipe pressure, casing pressure, fluid pressure and liquid level depth, and the number of the water injection quantities in the water injection quantity group is the same as that of the oil well parameters in each parameter group;

acquiring a degree of association between the water injection quantity group and each parameter group in the plurality of parameter groups according to the water injection quantity group and the plurality of parameter groups, wherein the degree of association is used for indicating the degree of correlation between the water injection quantity group and the parameter groups;

based on the weight of each parameter group, carrying out weighting processing on the association degrees corresponding to the parameter groups to obtain weighted association degrees;

and determining the weighted relevance as a target relevance, wherein the target relevance is used for representing the degree of correlation between the water injection quantity of the water injection well and the production quantity of the oil well.

In one possible implementation manner, the obtaining a degree of association between the water injection amount group and each of the plurality of parameter groups according to the water injection amount group and the plurality of parameter groups includes:

acquiring a first correlation degree of the water injection quantity group and a first correlation degree belonging to a liquid production quantity type parameter group, wherein the first correlation degree is used for indicating the correlation degree of the water injection quantity and the liquid production quantity;

acquiring a second degree of association of the water injection quantity group and a parameter group belonging to the oil pipe pressure type, wherein the second degree of association is used for indicating the degree of correlation between the water injection quantity and the oil pipe pressure;

acquiring a third degree of correlation of the water injection quantity group and a parameter group belonging to the casing pressure type, wherein the third degree of correlation is used for indicating the degree of correlation of the water injection quantity and the casing pressure;

acquiring a fourth degree of correlation of the water injection quantity group and the parameter group belonging to the fluid pressure type, wherein the fourth degree of correlation is used for indicating the degree of correlation of the water injection quantity and the fluid pressure;

and acquiring a fifth degree of correlation of the water injection amount group and the parameter group belonging to the liquid level depth type, wherein the fifth degree of correlation is used for indicating the degree of correlation between the water injection amount and the liquid level depth.

In another possible implementation, the method further includes:

if the target correlation degree is smaller than a first preset correlation degree, determining that the water injection amount of the water injection well is not related to the production amount of the oil well;

or if the target correlation degree is not less than the first preset correlation degree and less than a second preset correlation degree, determining that the water injection amount of the water injection well and the production amount of the oil well are in a first correlation relationship;

or if the target correlation degree is not smaller than the second preset correlation degree, determining that the water injection amount of the water injection well and the production amount of the oil well are in a second correlation relation, wherein the first correlation relation is lower than the second correlation relation.

In another possible implementation, the obtaining a plurality of parameter sets of a water injection amount group of a water injection well and a well communicated with the water injection well includes:

acquiring the current water injection amount of the water injection well and the current various oil well parameters of the oil well at intervals of preset time;

according to the sequence of the acquisition time, the acquired multiple water injection quantities form the water injection quantity group;

and according to the sequence of the acquisition time, the acquired oil well parameters belonging to the same type form a parameter group.

In another possible implementation manner, the obtaining a correlation degree between the water injection amount group and each parameter group in the plurality of parameter groups according to the water injection amount group and the plurality of parameter groups includes:

for one parameter group in the plurality of parameter groups, acquiring the association degree of the water injection quantity group and the parameter group by adopting the following formula according to a plurality of water injection quantities included in the water injection quantity group and a plurality of oil well parameters included in the parameter group:

wherein x is_iFor the ith injected water quantity, y, in the injected water quantity group_iAnd the parameter group is the ith oil well parameter in the parameter group, r is the correlation degree between the water injection quantity group and the parameter group, n is the number of the water injection quantities included in the water injection quantity group or the number of the oil well parameters included in the parameter group, i and n are positive integers, and 0 < i is less than or equal to n.

wherein x is_iRank, y, of the ith water injection quantity in the water injection quantity group_iRanking a plurality of oil well parameters included in the parameter group for the ith oil well parameter in the parameter group, wherein rho is the correlation degree of the water injection quantity group and the parameter group, n is the number of water injection quantities included in the water injection quantity group or the number of the oil well parameters included in the parameter group, i and n are positive integers, and i is more than 0 and less than or equal to n.

wherein R is the degree of association of the water injection quantity group with the parameter group, C is the number of parameter pairs satisfying a first condition, and D is the number of parameter pairs satisfying a second condition, the parameter pairs consisting of water injection quantity and well parameters at the same position in the water injection quantity group and the parameter group;

the first condition is: the water injection amount in any parameter pair is larger than the water injection amount in other parameter pairs, and the oil well parameter in any parameter pair is larger than the oil well parameter in other parameter pairs; alternatively, the first and second electrodes may be,

the first condition is that: the water injection amount in any parameter pair is less than the water injection amount in other parameter pairs, and the oil well parameter in any parameter pair is less than the oil well parameter in other parameter pairs;

the second condition is: the water injection amount in any parameter pair is larger than the water injection amount in other parameter pairs, and the oil well parameter in any parameter pair is smaller than the oil well parameter in other parameter pairs; alternatively, the first and second electrodes may be,

the second condition is: the water injection amount in any parameter pair is less than the water injection amount in other parameter pairs, and the oil well parameter in any parameter pair is greater than the oil well parameter in other parameter pairs; and N is the number of the water injection quantity groups including the water injection quantity or the number of the parameter groups including the oil well parameters, and is a positive integer.

In another aspect, an embodiment of the present application provides an association degree determining apparatus, where the apparatus includes:

the parameter acquisition module is used for acquiring a water injection quantity group of a water injection well and a plurality of parameter groups of an oil well communicated with the water injection well, wherein the water injection quantity group comprises a plurality of water injection quantities, each parameter group comprises a plurality of oil well parameters belonging to the same type, the type comprises any one of liquid production quantity, oil pipe pressure, casing pressure, fluid pressure and liquid level depth, and the number of the water injection quantities included in the water injection quantity group is the same as that of the oil well parameters included in each parameter group;

a first determining module, configured to obtain, according to the water injection amount group and the plurality of parameter groups, a degree of association between the water injection amount group and each of the plurality of parameter groups, where the degree of association is used to indicate a degree of correlation between the water injection amount group and the parameter groups;

a weighting module, configured to perform weighting processing on the association degrees corresponding to the multiple parameter groups based on the weight of each parameter group to obtain weighted association degrees;

and the second determination module is used for determining the weighted relevance as a target relevance, and the target relevance is used for representing the degree of correlation between the water injection quantity of the water injection well and the production quantity of the oil well.

In one possible implementation manner, the first determining module is configured to:

acquiring a second degree of correlation of the water injection amount group and a parameter group belonging to the oil pipe pressure type, wherein the second degree of correlation is used for indicating the degree of correlation between the water injection amount and the oil pipe pressure;

In another possible implementation manner, the apparatus further includes: a relationship determination module;

the relationship determination module is to:

or if the target correlation degree is not less than the first preset correlation degree and less than a second preset correlation degree, determining that the water injection quantity of the water injection well and the production quantity of the oil well are in a first correlation relation;

In another possible implementation manner, the parameter obtaining module is configured to:

In another possible implementation manner, the first determining module is configured to:

wherein x is_iFor the ith water injection quantity, y, in the water injection quantity group_iAnd the parameter group is the ith oil well parameter in the parameter group, r is the correlation degree between the water injection quantity group and the parameter group, n is the number of the water injection quantities included in the water injection quantity group or the number of the oil well parameters included in the parameter group, i and n are positive integers, and 0 < i is less than or equal to n.

the first condition is: the water injection amount in any parameter pair is less than the water injection amount in other parameter pairs, and the oil well parameter in any parameter pair is less than the oil well parameter in the other parameter pairs;

In another aspect, a terminal is provided, which includes a processor and a memory, where at least one program code is stored, and the at least one program code is loaded and executed by the processor to implement the operations as performed in the association degree determination method.

In another aspect, a computer-readable storage medium is provided, in which at least one program code is stored, the at least one program code being loaded and executed by a processor to implement the operations as performed in the association degree determination method.

In yet another aspect, a computer program product or a computer program is provided, the computer program product or the computer program comprising computer program code stored in a computer-readable storage medium, the computer program code being read by a processor of a terminal from the computer-readable storage medium, the computer program code being executed by the processor so that the terminal implements the operations performed in the association degree determination method according to the above aspect.

The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:

according to the method, the device, the equipment and the storage medium, the degree of correlation between the water injection quantity and the water injection quantity is determined according to the multiple oil well parameters in the liquid production quantity, the oil pipe pressure, the casing pipe pressure, the fluid pressure and the liquid level depth, the degree of correlation between the water injection quantity of the water injection well and the production quantity of the communicated oil well is determined based on the determined degree of correlation and the weight corresponding to each oil well parameter, due to the fact that the degree of correlation is determined by integrating the multiple oil well parameters, factors considered for determining the degree of correlation between the water injection quantity and the production quantity are expanded, and the accuracy of the determined degree of correlation is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a flowchart of a method for determining a relevance according to an embodiment of the present application;

fig. 2 is a flowchart of a method for determining a relevance according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of an association degree determining apparatus according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of another association degree determining apparatus provided in the embodiment of the present application;

fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present application.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

The method provided by the embodiment of the application is applied to the field of oil exploitation, in the process of exploiting oil through an oil well, water is injected into the oil well through the water injection well, the pressure of the water pushes oil to leave the oil well, exploitation is achieved, by adopting the method provided by the embodiment of the application, the oil well parameters during exploitation through the oil well are obtained, and then the association degree between the water injection amount of the water injection well and the oil well parameters of the oil well is determined according to the water injection amount and the obtained oil well parameters, so that the association degree between the water injection amount of the water injection well and the exploitation amount of the oil well is determined, and the accuracy of determining the association degree is improved.

Fig. 1 is a flowchart of association degree determination provided in an embodiment of the present application. Referring to fig. 1, the method is applied to a terminal, and the method includes:

101. a water injection volume group for a water injection well and a plurality of parameter groups for an oil well in communication with the water injection well are obtained.

The water injection amount group comprises a plurality of water injection amounts, each parameter group comprises a plurality of oil well parameters belonging to the same type, the type comprises any one of liquid production amount, oil pipe pressure, casing pressure, fluid pressure and liquid level depth, and the number of the water injection amounts in the water injection amount group is the same as that of the oil well parameters in each parameter group.

102. And acquiring the association degree of the water injection quantity group and each parameter group in the plurality of parameter groups according to the water injection quantity group and the plurality of parameter groups.

Wherein the degree of correlation is used to indicate a degree of correlation between the water injection amount group and the parameter group. The water injection amount group comprises a plurality of water injection amounts, each parameter group comprises a plurality of oil well parameters, and a linear relation between the water injection amount and the oil well parameters can be determined based on the plurality of water injection amounts and the plurality of oil well parameters, so that the correlation degree between the water injection amount group and the parameter group is determined.

103. And weighting the relevance degrees corresponding to the plurality of parameter groups based on the weight of each parameter group to obtain the weighted relevance degree.

In the embodiment of the application, different parameter groups have different influences on the production amount of the oil well, the weight is set for each parameter group, the influence degree of the corresponding parameter group on the production amount of the oil well is represented by the weight, the association degrees corresponding to the plurality of parameter groups are weighted based on the weight of each parameter group, the weighted association degrees are obtained, and the obtained weighted association degrees can accurately represent the comprehensive correlation degree between the water injection amount group and the parameter groups.

104. And determining the weighted relevance as the target relevance.

Wherein the target relevance is used to represent the degree of correlation between the water injection amount of the water injection well and the production amount of the oil well.

According to the method provided by the embodiment of the application, the association degree between the water injection quantity and the water injection quantity is determined according to the multiple oil well parameters in the liquid production quantity, the oil pipe pressure, the casing pipe pressure, the fluid pressure and the liquid level depth, the correlation degree between the water injection quantity of the water injection well and the production quantity of the communicated oil well is determined based on the determined association degree and the weight corresponding to each oil well parameter, the association degree is determined by integrating the multiple oil well parameters, the factors considered for determining the correlation degree between the water injection quantity and the production quantity are expanded, and the accuracy of the determined association degree is improved.

Fig. 2 is a flowchart of a method for determining a relevance according to an embodiment of the present disclosure. Referring to fig. 2, the method is applied to a terminal, which may be a mobile phone, a tablet computer, a personal computer, etc. The method comprises the following steps:

step 201, acquiring current water injection quantity of a water injection well and current various types of oil well parameters of an oil well every preset time.

In the embodiment of the application, in the process of injecting water into an oil well through a water injection well and then extracting oil through the oil well, the water injection amount of the water injection well and the oil well parameters of the oil well can be recorded, a plurality of recorded water injection amounts form a water injection amount group, the recorded oil well parameters form a parameter group, and then the relevance is determined according to the water injection amount group and the parameter group.

And in the process of oil extraction, acquiring the current water injection amount of the water injection well and the current various oil well parameters of the oil well at preset time intervals.

The preset duration is set by a terminal, or set by an operator, or set by other modes. The type of well parameter includes any of fluid production, tubing pressure, casing pressure, fluid pressure, and fluid level depth. The liquid production is the liquid volume of oil extracted by the oil well. The pressure of the oil pipe is the pressure of the wellhead of the oil well. The casing pressure is the pressure between the oil well casing and the oil pipe. The fluid pressure is the pressure at the fluid level in the well. The liquid level depth is the liquid level depth of oil in the oil well.

For example, the water injection rate from a water injection well, the fluid production from a well, tubing pressure, casing pressure, fluid pressure, and fluid level depth are recorded once a month. Or recording the water injection rate of the water injection well, the liquid production rate of the oil well, the oil pipe pressure, the casing pressure, the fluid pressure and the liquid level depth every two months.

202. And forming a water injection amount group by the obtained multiple water injection amounts according to the sequence of the obtaining time.

In the process of recording the water injection amount of the water injection well, the acquisition time of the water injection amount is also determined, and a plurality of acquired water injection amounts form a water injection amount group according to the sequence of the time for acquiring the water injection amount. In the embodiment of the application, the water injection amount group is formed by a plurality of water injection amounts, and the water injection amount group comprises a plurality of water injection amounts.

203. And according to the sequence of the acquisition time, the acquired oil well parameters belonging to the same type form a parameter group.

In the process of recording the oil well parameters of the oil well, the acquisition time of the oil well parameters is also recorded, the acquired oil well parameters belonging to the same type form a parameter group according to the sequence of the acquisition time of the oil well parameters, and the oil well parameters of multiple types form multiple parameter groups.

In the embodiment of the application, the parameter group is formed by a plurality of oil well parameters belonging to the same type, and each parameter group comprises a plurality of oil well parameters belonging to the same type.

In the process of forming the water injection quantity group and each parameter group, the water injection quantity group and the parameter group are respectively formed by adopting the water injection quantity and the oil well parameters with the same quantity. The water injection quantity groups thus comprise the same number of water injection quantities as the well parameters comprised by each parameter group.

In the present embodiment, the water injection amount group and the parameter group are obtained as an example, but in another embodiment, the water injection amount group of the water injection well and the plurality of parameter groups of the oil well communicated with the water injection well may be directly obtained in another manner, and the present embodiment is not limited thereto.

204. And acquiring the association degree of the water injection quantity group and each parameter group in the plurality of parameter groups according to the water injection quantity group and the plurality of parameter groups.

In the embodiment of the present application, if the water injection amount group includes a plurality of water injection amounts and each parameter group includes a plurality of well parameters, the degree of association between the water injection amount group and each parameter group can be determined from the water injection amount group and each parameter group, the degree of association between the water injection amount group and the parameter group is determined based on the determined degree of association, and the relationship between the water injection amount and the liquid production amount of the well is determined.

The oil well parameters comprise various types, different oil well parameters are adopted to form different types of parameter groups, and the water injection quantity group and each type of parameter group can determine a degree of association.

In the embodiment of the application, the water injection amount group comprises a plurality of water injection amounts, each parameter group comprises a plurality of oil well parameters, the correlation degree of the water injection amount and each oil well parameter can be determined by determining the correlation degree of the water injection amount group and each parameter group, the influence of different water injection amounts on the oil well parameters is further determined, and the oil well parameters of the oil well are adjusted by adjusting the water injection amounts.

In the embodiment of the present application, the determined association degree includes the following cases:

(1) a first degree of correlation of the water injection amount group and the parameter group belonging to the type of the liquid production amount is obtained.

Wherein the first degree of correlation is used to indicate a degree of correlation of the water injection amount and the fluid production amount. The water injection amount group includes a plurality of water injection amounts, and the parameter group belonging to the type of the liquid production amount includes a plurality of liquid production amounts, so that the first degree of association of the water injection amount group and the parameter group belonging to the type of the liquid production amount can be determined from the plurality of water injection amounts and the plurality of liquid production amounts.

(2) And acquiring a second correlation degree of the water injection quantity group and the parameter group belonging to the oil pipe pressure type.

Wherein the second degree of correlation is used for indicating the degree of correlation between the water injection quantity and the oil pipe pressure. The water injection amount group comprises a plurality of water injection amounts, the parameter group belonging to the oil pipe pressure type comprises a plurality of oil pipe pressures, and then the first correlation degree of the water injection amount group and the parameter group belonging to the oil pipe pressure type can be determined according to the plurality of water injection amounts and the plurality of oil pipe pressures.

(3) A third correlation of the set of injected water quantities and the set of parameters belonging to the type of casing pressure is obtained.

Wherein the third degree of correlation is indicative of a degree of correlation between the amount of injected water and the casing pressure. The plurality of water injection amounts are included in the water injection amount group, and the plurality of casing pressures are included in the parameter group belonging to the casing pressure type, so that the first degree of association between the water injection amount group and the parameter group belonging to the casing pressure type can be determined according to the plurality of water injection amounts and the plurality of casing pressures.

(4) A fourth degree of correlation is obtained for the set of water injection quantities and the set of parameters belonging to the fluid pressure type.

Wherein the fourth degree of correlation is indicative of a degree of correlation between the water injection amount and the fluid pressure. If the plurality of water injection amounts are included in the water injection amount group and the plurality of fluid pressures are included in the parameter group belonging to the fluid pressure type, the first degree of correlation between the water injection amount group and the parameter group belonging to the fluid pressure type can be determined from the plurality of water injection amounts and the plurality of fluid pressures.

(5) And acquiring a fifth degree of correlation between the water injection amount group and the parameter group belonging to the liquid level depth type.

Wherein the fifth degree of correlation is used to indicate the degree of correlation between the water injection amount and the liquid level depth. The water injection amount group includes a plurality of water injection amounts, and the parameter group belonging to the liquid level depth type includes a plurality of liquid level depths, so that the first degree of association between the water injection amount group and the parameter group belonging to the liquid level depth type can be determined from the plurality of water injection amounts and the plurality of liquid level depths.

In the embodiments of the present application, the correlation between the water injection amount group and each parameter group is obtained as an example.

In a possible implementation manner, the embodiment of the application determines the correlation between the water injection amount group and the parameter group by using a pearson correlation coefficient, a spearman correlation coefficient, a kender correlation coefficient and the like. A specific way of determining the degree of association of the water injection quantity groups with the parameter groups will be explained below:

the first method comprises the following steps:

wherein x is_iFor the ith injection in the water injection amount groupAmount of water, y_iThe parameter set is the ith well parameter in the parameter set, r is the correlation degree of the water injection quantity set and the parameter set, n is the number of the water injection quantities included in the water injection quantity set or the number of the well parameters included in the parameter set, i and n are positive integers, and i is more than 0 and less than or equal to n.

And the second method comprises the following steps:

wherein x is_iRank of ith water injection in water injection group, y_iRanking a plurality of oil well parameters included in the parameter group of the ith oil well parameter in the parameter group, wherein rho is the association degree of the water injection quantity group and the parameter group, n is the number of water injection quantities included in the water injection quantity group or the number of the oil well parameters included in the parameter group, i and n are positive integers, and 0 & lt i & ltn.

And the third is that:

wherein R is the degree of association of the water injection quantity group with the parameter group, C is the number of parameter pairs satisfying the first condition, and D is the number of parameter pairs satisfying the second condition, the parameter pairs consisting of the water injection quantity and the oil well parameters at the same position in the water injection quantity group and the parameter group;

the first condition is: the water injection amount in any parameter pair is less than the water injection amount in other parameter pairs, and the oil well parameter in any parameter pair is less than the oil well parameter in other parameter pairs;

205. And weighting the relevance degrees corresponding to the plurality of parameter groups based on the weight of each parameter group to obtain weighted relevance degrees.

In the embodiment of the application, after the association degree between the water injection amount group and each parameter group is determined, the obtained association degree is weighted according to the weight of each parameter group, and the weighted association degree is obtained.

Wherein the weight of each parameter group is set by the terminal, or set by the operator, or set by other means.

In one possible implementation, the weight of each parameter set is determined according to the number of parameter sets. For example, the weight of each parameter group is the same. For example, the number of parameter groups is 5, and the weight of each parameter group is 0.2.

According to the method provided by the embodiment of the application, the obtained relevance of the parameter groups is weighted according to the weights of the parameter groups to obtain the weighted relevance, so that the influence degree of each parameter group is divided, the accuracy of the obtained target relevance is improved, and the correlation degree of the determined water injection quantity and each oil well parameter is further improved.

206. And determining the weighted relevance as the target relevance.

In the embodiment of the application, since the weighted relevance is determined according to the relevance between the water injection amount group and each parameter group, and the relevance between the water injection amount group and each parameter group can represent the relevance between the water injection amount of the water injection well and the production amount of the oil well, the target relevance determined by the weighted relevance is used for representing the relevance between the water injection amount of the water injection well and the production amount of the oil well.

In the embodiment of the application, the correlation degree between the water injection amount of the water injection well and the production amount of the oil well is determined based on the interval range to which the determined target correlation degree belongs:

(1) and if the target correlation degree is smaller than the first preset correlation degree, determining that the water injection amount of the water injection well is not related to the production amount of the oil well.

(2) And if the target association degree is not less than the first preset association degree and less than the second preset association degree, determining that the water injection quantity of the water injection well and the production quantity of the oil well are in a first correlation relationship.

(3) And if the target association degree is not less than the second preset association degree, determining that the water injection amount of the water injection well and the production amount of the oil well are in a second correlation relationship.

Wherein the first correlation is lower than the second correlation.

In the embodiment of the present application, the first association degree and the second association degree are set by a terminal, or set by an operator, or set in another manner.

In the acquired target relevance, the higher the target relevance, the greater the correlation between the water injection amount of the water injection well and the oil well production amount, and the smaller the target relevance, the smaller the correlation between the water injection amount of the water injection well and the oil well production amount.

Then, the production data of one water injection well 1 and the corresponding oil well 2 are adopted by a formula

The manner of determining the degree of association explains the present application:

table 1 shows the production data for the water injection rate of the water injection well and the well parameters of the oil well:

TABLE 1

Table 2 is a table of calculated data of the degree of correlation between the water injection amount of the water injection well and the liquid production amount of the oil well:

TABLE 2

The degree of association obtained in the above manner is 0.9148.

Table 3 is a table of calculated data of the correlation between the water injection amount of the water injection well and the tubing pressure of the oil well:

TABLE 3

The degree of association obtained in the above manner is-0.5696.

Table 4 is a table of calculated data of the correlation between the injection amount of the water injection well and the casing pressure of the oil well:

TABLE 4

The degree of association obtained in the above manner was 0.07819.

Table 5 is the correlation for other well groups obtained in the same manner:

TABLE 5

Fig. 3 is a schematic structural diagram of an association degree determining apparatus according to an embodiment of the present application. Referring to fig. 3, the apparatus includes:

the parameter acquisition module 301 is configured to acquire a water injection amount group of a water injection well and a plurality of parameter groups of an oil well communicated with the water injection well, where the water injection amount group includes a plurality of water injection amounts, each parameter group includes a plurality of oil well parameters belonging to the same type, the type includes any one of a liquid production amount, an oil pipe pressure, a casing pipe pressure, a fluid pressure, and a liquid level depth, and the number of the water injection amounts included in the water injection amount group is the same as the number of the oil well parameters included in each parameter group;

a first determining module 302, configured to obtain, according to the water injection amount group and the multiple parameter groups, a degree of association between the water injection amount group and each of the multiple parameter groups, where the degree of association is used to indicate a degree of correlation between the water injection amount group and the parameter groups;

a weighting module 303, configured to perform weighting processing on the association degrees corresponding to the multiple parameter groups based on the weight of each parameter group to obtain weighted association degrees;

and a second determining module 304, configured to determine the weighted relevance as a target relevance, where the target relevance is used to indicate a degree of correlation between the water injection amount of the water injection well and the production amount of the oil well.

In one possible implementation, the first determining module 302 is configured to:

acquiring a water injection quantity group and a first correlation degree belonging to a liquid production quantity type parameter group, wherein the first correlation degree is used for indicating the correlation degree of the water injection quantity and the liquid production quantity;

acquiring a second correlation degree of the water injection quantity group and the parameter group belonging to the oil pipe pressure type, wherein the second correlation degree is used for indicating the correlation degree of the water injection quantity and the oil pipe pressure;

acquiring a third degree of correlation of the water injection quantity group and the parameter group belonging to the casing pressure type, wherein the third degree of correlation is used for indicating the degree of correlation of the water injection quantity and the casing pressure;

acquiring a fourth degree of correlation of the water injection quantity group and the parameter group belonging to the fluid pressure type, wherein the fourth degree of correlation is used for indicating the correlation degree of the water injection quantity and the fluid pressure;

and acquiring a fifth correlation degree of the water injection amount group and the parameter group belonging to the liquid level depth type, wherein the fifth correlation degree is used for indicating the correlation degree of the water injection amount and the liquid level depth.

In another possible implementation manner, the apparatus further includes: a relationship determination module 305;

a relationship determination module 305 to:

if the target correlation degree is smaller than the first preset correlation degree, determining that the water injection amount of the water injection well is not related to the production amount of the oil well;

or if the target association degree is not less than the first preset association degree and less than the second preset association degree, determining that the water injection quantity of the water injection well and the production quantity of the oil well are in a first correlation relationship;

or if the target correlation degree is not less than the second preset correlation degree, determining that the water injection amount of the water injection well and the production amount of the oil well are in a second correlation relation, wherein the first correlation relation is lower than the second correlation relation.

In another possible implementation manner, the parameter obtaining module 301 is configured to:

acquiring the current water injection amount of a water injection well and the current various oil well parameters of an oil well at intervals of preset time;

according to the sequence of the acquisition time, forming a water injection amount group by the acquired multiple water injection amounts;

In another possible implementation manner, the first determining module 302 is configured to:

for one parameter group in the plurality of parameter groups, acquiring the association degree of the water injection quantity group and the parameter group by adopting the following formula according to the water injection quantities in the water injection quantity group and the oil well parameters in the parameter group:

wherein x is_iIs the i-th water injection amount, y, in the water injection amount group_iThe parameter of the ith oil well in the parameter group, r is the correlation degree of the water injection quantity group and the parameter group, and n is the water injection quantity included in the water injection quantity groupI and n are positive integers, and i is more than 0 and less than or equal to n.

It should be noted that: the association degree determining apparatus provided in the foregoing embodiment is only illustrated by dividing the functional modules when determining the matching degree, and in practical applications, the functions are allocated by different functional modules according to needs, that is, the internal structure of the terminal is divided into different functional modules to complete all or part of the functions described above. In addition, the association degree determining apparatus and the association degree determining method provided in the above embodiments belong to the same concept, and specific implementation processes thereof are described in the method embodiments and are not described herein again.

Fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present application. The terminal 500 may be a portable mobile terminal such as: a smart phone, a tablet computer, an MP3 player (Moving Picture Experts Group Audio Layer III, motion video Experts compression standard Audio Layer 3), an MP4 player (Moving Picture Experts Group Audio Layer IV, motion video Experts compression standard Audio Layer 4), a notebook computer, or a desktop computer. Terminal 500 may also be referred to by other names such as user equipment, portable terminal, laptop terminal, desktop terminal, and the like.

In general, the terminal 500 includes: a processor 501 and a memory 502.

The processor 501 may include one or more processing cores, such as a 4-core processor, an 8-core processor, and so on. The processor 501 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 501 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also called a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 501 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed by the display screen. In some embodiments, processor 501 may also include an AI (Artificial Intelligence) processor for processing computational operations related to machine learning.

Memory 502 may include one or more computer-readable storage media, which may be non-transitory. Memory 502 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 502 is used to store at least one program code for execution by processor 501 to implement the well trajectory matching method provided by the method embodiments herein.

In some embodiments, the terminal 500 may further optionally include: a peripheral interface 503 and at least one peripheral. The processor 501, memory 502 and peripheral interface 503 may be connected by a bus or signal lines. Various peripheral devices may be connected to the peripheral interface 503 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of radio frequency circuitry 504, display screen 505, camera assembly 506, audio circuitry 507, positioning assembly 508, and power supply 509.

The peripheral interface 503 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 501 and the memory 502. In some embodiments, the processor 501, memory 502, and peripheral interface 503 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 501, the memory 502, and the peripheral interface 503 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.

The Radio Frequency circuit 504 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 504 communicates with communication networks and other communication devices via electromagnetic signals. The rf circuit 504 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 504 includes: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuitry 504 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: the world wide web, metropolitan area networks, intranets, generations of mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 504 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.

The display screen 505 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 505 is a touch display screen, the display screen 505 also has the ability to capture touch signals on or over the surface of the display screen 505. The touch signal may be input to the processor 501 as a control signal for processing. At this point, the display screen 505 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display screen 505 may be one, disposed on the front panel of the terminal 500; in other embodiments, the display screens 505 may be at least two, respectively disposed on different surfaces of the terminal 500 or in a folded design; in other embodiments, the display 505 may be a flexible display disposed on a curved surface or a folded surface of the terminal 500. Even more, the display screen 505 can be arranged in a non-rectangular irregular figure, i.e. a shaped screen. The Display screen 505 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and other materials.

The camera assembly 506 is used to capture images or video. Optionally, camera assembly 506 includes a front camera and a rear camera. Generally, a front camera is disposed at a front panel of the terminal, and a rear camera is disposed at a rear surface of the terminal. In some embodiments, the number of the rear cameras is at least two, and each rear camera is any one of a main camera, a depth-of-field camera, a wide-angle camera and a telephoto camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, the main camera and the wide-angle camera are fused to realize panoramic shooting and a VR (Virtual Reality) shooting function or other fusion shooting functions. In some embodiments, camera assembly 506 may also include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp, and can be used for light compensation at different color temperatures.

Audio circuitry 507 may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals, and inputting the electric signals to the processor 501 for processing, or inputting the electric signals to the radio frequency circuit 504 to realize voice communication. For the purpose of stereo sound collection or noise reduction, a plurality of microphones may be provided at different portions of the terminal 500. The microphone may also be an array microphone or an omni-directional pick-up microphone. The speaker is used to convert electrical signals from the processor 501 or the radio frequency circuit 504 into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, audio circuitry 507 may also include a headphone jack.

The positioning component 508 is used for positioning the current geographic Location of the terminal 500 for navigation or LBS (Location Based Service). The Positioning component 508 may be a Positioning component based on the Global Positioning System (GPS) in the united states, the beidou System in china, or the galileo System in russia.

Power supply 509 is used to power the various components in terminal 500. The power source 509 may be alternating current, direct current, disposable or rechargeable. When power supply 509 includes a rechargeable battery, the rechargeable battery may be a wired rechargeable battery or a wireless rechargeable battery. The wired rechargeable battery is a battery charged through a wired line, and the wireless rechargeable battery is a battery charged through a wireless coil. The rechargeable battery may also be used to support fast charge technology.

In some embodiments, terminal 500 also includes one or more sensors 510. The one or more sensors 510 include, but are not limited to: acceleration sensor 511, gyro sensor 512, pressure sensor 513, fingerprint sensor 514, optical sensor 515, and proximity sensor 516.

The acceleration sensor 511 may detect the magnitude of acceleration on three coordinate axes of the coordinate system established with the terminal 500. For example, the acceleration sensor 511 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 501 may control the display screen 505 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 511. The acceleration sensor 511 may also be used for acquisition of motion data of a game or a user.

The gyro sensor 512 may detect a body direction and a rotation angle of the terminal 500, and the gyro sensor 512 may cooperate with the acceleration sensor 511 to acquire a 3D motion of the user on the terminal 500. The processor 501 may implement the following functions according to the data collected by the gyro sensor 512: motion sensing (such as changing the UI according to a user's tilting operation), image stabilization at the time of photographing, game control, and inertial navigation.

The pressure sensor 513 may be disposed on a side frame of the terminal 500 and/or underneath the display screen 505. When the pressure sensor 513 is disposed on the side frame of the terminal 500, a user's holding signal of the terminal 500 may be detected, and the processor 501 performs left-right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 513. When the pressure sensor 513 is disposed at the lower layer of the display screen 505, the processor 501 controls the operability control on the UI interface according to the pressure operation of the user on the display screen 505. The operability control comprises at least one of a button control, a scroll bar control, an icon control and a menu control.

The fingerprint sensor 514 is used for collecting a fingerprint of the user, and the processor 501 identifies the identity of the user according to the fingerprint collected by the fingerprint sensor 514, or the fingerprint sensor 514 identifies the identity of the user according to the collected fingerprint. Upon recognizing that the user's identity is a trusted identity, the processor 501 authorizes the user to perform relevant sensitive operations including unlocking the screen, viewing encrypted information, downloading software, paying, and changing settings, etc. The fingerprint sensor 514 may be disposed on the front, back, or side of the terminal 500. When a physical button or a vendor Logo is provided on the terminal 500, the fingerprint sensor 514 may be integrated with the physical button or the vendor Logo.

The optical sensor 515 is used to collect the ambient light intensity. In one embodiment, the processor 501 may control the display brightness of the display screen 505 based on the ambient light intensity collected by the optical sensor 515. Specifically, when the ambient light intensity is high, the display brightness of the display screen 505 is increased; when the ambient light intensity is low, the display brightness of the display screen 505 is reduced. In another embodiment, processor 501 may also dynamically adjust the shooting parameters of camera head assembly 506 based on the ambient light intensity collected by optical sensor 515.

A proximity sensor 516, also referred to as a distance sensor, is typically disposed on the front panel of the terminal 500. The proximity sensor 516 is used to collect the distance between the user and the front surface of the terminal 500. In one embodiment, when the proximity sensor 516 detects that the distance between the user and the front surface of the terminal 500 gradually decreases, the processor 501 controls the display screen 505 to switch from the bright screen state to the dark screen state; when the proximity sensor 516 detects that the distance between the user and the front surface of the terminal 500 becomes gradually larger, the display screen 505 is controlled by the processor 501 to switch from the breath screen state to the bright screen state.

Those skilled in the art will appreciate that the configuration shown in fig. 5 is not intended to be limiting of terminal 500 and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used.

The embodiment of the present application further provides a computer-readable storage medium, where at least one program code is stored in the computer-readable storage medium, and the at least one program code is loaded and executed by a processor to implement the operations performed in the association degree determining method in the foregoing embodiment.

Embodiments of the present application further provide a computer program product or a computer program, where the computer program product or the computer program includes computer program code, the computer program code is stored in a computer-readable storage medium, a processor of the terminal reads the computer program code from the computer-readable storage medium, and the processor executes the computer program code, so that the terminal implements the operations performed in the association degree determination method according to the above-mentioned aspect.

The above description is only for facilitating the understanding of the technical solutions of the present application by those skilled in the art, and is not intended to limit the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A method for determining a degree of association, the method comprising:

acquiring a water injection quantity group of a water injection well and a plurality of parameter groups of an oil well communicated with the water injection well, wherein the water injection quantity group comprises a plurality of water injection quantities, each parameter group comprises a plurality of oil well parameters belonging to the same type, the type comprises any one of liquid production quantity, oil pipe pressure, casing pressure, fluid pressure and liquid level depth, and the number of the water injection quantities included in the water injection quantity group is the same as the number of the oil well parameters included in each parameter group;

acquiring a correlation degree between the water injection quantity group and each parameter group in the parameter groups according to the water injection quantity group and the parameter groups, wherein the correlation degree is used for representing the correlation degree between the water injection quantity group and the parameter groups;

2. The method of claim 1, wherein the obtaining the degree of association of the water injection quantity group with each parameter group of the plurality of parameter groups according to the water injection quantity group and the plurality of parameter groups comprises:

3. The method of claim 1, further comprising:

or if the target correlation degree is not smaller than the second preset correlation degree, determining that the water injection amount of the water injection well and the production amount of the oil well are in a second correlation relation, and the first correlation relation is lower than the second correlation relation.

4. The method of claim 1, wherein the obtaining a plurality of sets of parameters for a water injection volume of a water injection well and a well in communication with the water injection well comprises:

5. The method of claim 1, wherein obtaining the degree of association of the water injection quantity group with each of the plurality of parameter groups based on the water injection quantity group and the plurality of parameter groups comprises:

for one parameter group in the plurality of parameter groups, acquiring the association degree of the water injection quantity group and the parameter group according to a plurality of water injection quantities included in the water injection quantity group and a plurality of oil well parameters included in the parameter group by adopting the following formula:

6. The method of claim 1, wherein obtaining the degree of association of the water injection quantity group with each of the plurality of parameter groups based on the water injection quantity group and the plurality of parameter groups comprises:

7. The method of claim 1, wherein obtaining the degree of association of the water injection quantity group with each of the plurality of parameter groups based on the water injection quantity group and the plurality of parameter groups comprises:

8. An association degree determination apparatus, characterized in that the apparatus comprises:

the weighting module is used for weighting the relevance degrees corresponding to the parameter groups based on the weight of each parameter group to obtain weighted relevance degrees;

9. A terminal, characterized in that the terminal comprises a processor and a memory, wherein at least one program code is stored in the memory, and the at least one program code is loaded and executed by the processor to implement the operations performed in the association degree determination method according to any claim from 1 to 7.

10. A computer-readable storage medium having at least one program code stored therein, the at least one program code being loaded and executed by a processor to perform the operations performed in the association determination method according to any one of claims 1 to 7.