CN112329355B - Method and device for determining single-well control area, computer equipment and storage medium - Google Patents

Method and device for determining single-well control area, computer equipment and storage medium Download PDF

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CN112329355B
CN112329355B CN202011140587.8A CN202011140587A CN112329355B CN 112329355 B CN112329355 B CN 112329355B CN 202011140587 A CN202011140587 A CN 202011140587A CN 112329355 B CN112329355 B CN 112329355B
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CN112329355A (en
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何书梅
蔡明俊
张家良
魏朋朋
任瑞川
黄芳
张志明
刘文钰
庄天琳
齐双瑜
高淑芳
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Petrochina Co Ltd
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Abstract

The application discloses a method and a device for determining a single-well control area, computer equipment and a storage medium, and belongs to the technical field of oil exploitation. The embodiment of the application provides a method for determining the control area of a single well, and the method combines the penetration parameter of a target oil well, the penetration parameter of an adjacent oil well and the penetration parameter of an adjacent water injection well when determining the control area of the target oil well, wherein the penetration parameter can reflect the mobility of oil, and the mobility of the oil can influence the control dividing point of the oil well. Therefore, the accuracy of determining the control demarcation point can be improved by combining the penetration parameter when determining the single-well control area, so that the accuracy of determining the single-well control area is improved.

Description

Method and device for determining single-well control area, computer equipment and storage medium
Technical Field
The application relates to the technical field of oil exploitation. In particular to a method and a device for determining the single-well control area, computer equipment and a storage medium.
Background
In the process of reservoir development, the single well control area is involved in reservoir development scheme design and potential evaluation, oil well reserve calculation and scheme research related in the reservoir development process. The single well control area can be used for reflecting the control range of oil production of the oil well, so that the determination of the single well control area has important significance for guiding oil reservoir development.
In the related technology, the control range of a single well is mainly determined in a well spacing halving mode, namely, a plurality of adjacent wells (including an oil well and a water injection well) adjacent to a target oil well are determined, for each adjacent well, an intermediate position between the adjacent well and the target oil well is determined, the intermediate position is used as a control dividing point of the target oil well, a control area formed by connecting a plurality of control dividing points of the target oil well is determined, and the area of the control area is determined as the control area of the target oil well.
Since the above method determines the intermediate position between two wells as the control dividing point, but different wells are in different environments, in which case the intermediate position may not be the control dividing point between the two wells, the method of determining the control dividing point in the related art is inaccurate, thereby resulting in low accuracy in determining the control area of a single well.
Disclosure of Invention
The embodiment of the application provides a method and a device for determining a single-well control area, computer equipment and a storage medium, and can improve the accuracy of determining the single-well control area. The specific technical scheme is as follows:
in one aspect, an embodiment of the present application provides a method for determining a single-well control area, where the method includes:
determining at least one adjacent well adjacent to a target well, and determining at least one adjacent water injection well adjacent to the target well;
obtaining a first permeability parameter for the target well, a second permeability parameter for each adjacent well, a third permeability parameter for each adjacent water injection well, a first distance between the target well and each adjacent well, and a second distance between the target well and each adjacent water injection well;
for each adjacent well, determining a first control cut point for the target well based on the first penetration parameter, the second penetration parameter for the adjacent well, and a first distance between the target well and the adjacent well;
for each adjacent water injection well, determining a second control cut point for the target well based on the first permeability parameter, a third permeability parameter for the adjacent water injection well, and a second distance between the target well and the adjacent water injection well;
determining a control area of the target well based on at least one first control demarcation point and at least one second control demarcation point, determining the area of the control area as the control area of the target well.
In one possible implementation, the determining a first control cut point for the target well based on the first penetration parameter, the second penetration parameter for the adjacent well, and the first distance between the target well and the adjacent well includes:
determining the sum of the first permeability parameter and a second permeability parameter of the adjacent oil well to obtain a fourth permeability parameter;
determining the ratio of the first permeability parameter to the fourth permeability parameter to obtain a first value;
determining the product of the first numerical value and the first distance to obtain a first control distance of the target oil well;
and determining a first control dividing point of the target oil well on a connecting line between the target oil well and the adjacent oil well, wherein the distance between the first control dividing point and the target oil well is the first control distance.
In another possible implementation, the determining a second control cut point for the target well based on the first permeability parameter, the third permeability parameter of the adjacent water injection well, and the second distance between the target well and the adjacent water injection well includes:
in response to the first permeability parameter not being greater than a third permeability parameter of the adjacent water injection well, treating the adjacent water injection well as a second control demarcation point for the target well, the second control demarcation point being a distance from the target well that is the second distance;
in response to the first permeability parameter being greater than a third permeability parameter of the adjacent water injection well, determining a second control distance for the target well based on the first permeability parameter, the third permeability parameter of the adjacent water injection well, and the second distance; determining a third control distance for the target well based on a third permeability parameter of the adjacent water injection well, the first permeability parameter, the second control distance, and the second distance; determining the sum of the second control distance and the third control distance to obtain a fourth control distance; and determining a second control dividing point of the target oil well on a connecting line between the target oil well and the adjacent water injection well, wherein the distance between the second control dividing point and the target oil well is the fourth control distance.
In another possible implementation, the determining a second control distance for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and the second distance includes:
determining the sum of the first permeability parameter and a third permeability parameter of the adjacent water injection well to obtain a fifth permeability parameter;
determining the ratio of the first permeability parameter to the fifth permeability parameter to obtain a second numerical value;
and determining the product of the second numerical value and the second distance to obtain the second control distance.
In another possible implementation, the determining a third control distance of the target well based on the third permeability parameter of the adjacent water injection well, the first permeability parameter, the second control distance, and the second distance includes:
determining a difference value between the second distance and the second control distance to obtain a third numerical value;
determining the ratio of the third permeability parameter of the adjacent water injection well to the first permeability parameter to obtain a fourth numerical value;
and determining the product of the third numerical value and the fourth numerical value to obtain the third control distance.
In another possible implementation, the determining at least one neighboring well that is adjacent to the target well includes:
determining the location of each well around the target well;
and based on the position of each oil well, taking the oil well which is in the same straight line with the target oil well and is closest to the target oil well as the adjacent oil well.
In another aspect, an embodiment of the present application provides an apparatus for determining a single-well control area, where the apparatus includes:
a first determination module for determining at least one adjacent well adjacent to a target well and at least one adjacent water injection well adjacent to the target well;
an acquisition module for acquiring a first permeability parameter of the target well, a second permeability parameter of each adjacent well, a third permeability parameter of each adjacent water injection well, a first distance between the target well and each adjacent well, and a second distance between the target well and each adjacent water injection well;
a second determination module to determine, for each adjacent well, a first control cut point for the target well based on the first penetration parameter, a second penetration parameter of the adjacent well, and a first distance between the target well and the adjacent well;
a third determination module to determine, for each adjacent water injection well, a second control cut point for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and a second distance between the target well and the adjacent water injection well;
and the fourth determination module is used for determining a control area of the target oil well based on at least one first control demarcation point and at least one second control demarcation point, and determining the area of the control area as the control area of the target oil well.
In a possible implementation manner, the second determining module is configured to determine a sum of the first permeability parameter and a second permeability parameter of the adjacent oil well, so as to obtain a fourth permeability parameter; determining the ratio of the first permeability parameter to the fourth permeability parameter to obtain a first value; determining the product of the first numerical value and the first distance to obtain a first control distance of the target oil well; and determining a first control dividing point of the target oil well on a connecting line between the target oil well and the adjacent oil well, wherein the distance between the first control dividing point and the target oil well is the first control distance.
In another possible implementation manner, the third determining module is configured to, in response to that the first permeability parameter is not greater than a third permeability parameter of the adjacent water injection well, regard the position of the adjacent water injection well as a second control demarcation point of the target oil well, where a distance between the second control demarcation point and the target oil well is the second distance; in response to the first permeability parameter being greater than a third permeability parameter of the adjacent water injection well, determining a second control distance for the target well based on the first permeability parameter, the third permeability parameter of the adjacent water injection well, and the second distance; determining a third control distance for the target well based on a third permeability parameter of the adjacent water injection well, the first permeability parameter, the second control distance, and the second distance; determining the sum of the second control distance and the third control distance to obtain a fourth control distance; and determining a second control dividing point of the target oil well on a connecting line between the target oil well and the adjacent water injection well, wherein the distance between the second control dividing point and the target oil well is the fourth control distance.
In another possible implementation manner, the third determining module is configured to determine a sum of the first permeability parameter and a third permeability parameter of the adjacent water injection well, so as to obtain a fifth permeability parameter; determining the ratio of the first permeability parameter to the fifth permeability parameter to obtain a second numerical value; and determining the product of the second numerical value and the second distance to obtain the second control distance.
In another possible implementation manner, the third determining module is configured to determine a difference between the second distance and the second control distance to obtain a third value; determining the ratio of the third permeability parameter of the adjacent water injection well to the first permeability parameter to obtain a fourth numerical value; and determining the product of the third numerical value and the fourth numerical value to obtain the third control distance.
In another possible implementation manner, the first determining module is configured to determine a location of each well around the target well; and based on the position of each oil well, taking the oil well which is in the same straight line with the target oil well and is closest to the target oil well as the adjacent oil well.
In another aspect, an embodiment of the present application provides a computer device, where the computer device includes:
a processor and a memory having stored therein at least one program code, the at least one program code being loaded and executed by the processor to carry out the operations carried out by any of the methods of determining single well control area described above.
In another aspect, the present disclosure provides 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 implement the operations performed by any one of the above methods for determining a single-well control area.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
the embodiment of the application provides a method for determining the control area of a single well, and the method combines the penetration parameter of a target oil well, the penetration parameter of an adjacent oil well and the penetration parameter of an adjacent water injection well when determining the control area of the target oil well, wherein the penetration parameter can reflect the mobility of oil, and the mobility of the oil can influence the control dividing point of the oil well. Therefore, the accuracy of determining the control demarcation point can be improved by combining the penetration parameter when determining the single-well control area, so that the accuracy of determining the single-well control area is improved.
Drawings
FIG. 1 is a flow chart of a method for determining a single well control area provided by an embodiment of the present application;
FIG. 2 is a schematic diagram of a method for determining a first control cut point for a target well according to an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of a method of determining a second control cut point for a target well provided by an embodiment of the present application;
FIG. 4 is a schematic diagram of a target well P 1 、P 2 A schematic of the control area of (a);
FIG. 5 is a block diagram of an apparatus for determining a single-well control area provided in an embodiment of the present application;
fig. 6 is a block diagram of a computer device according to an embodiment of the present disclosure.
Detailed Description
In order to make the technical solutions and advantages of the present application more clear, the following describes the embodiments of the present application in further detail.
The embodiment of the application provides a method for determining a single-well control area, which is applied to computer equipment and is shown in fig. 1, and the method comprises the following steps:
step 101: the computer device determines at least one adjacent well adjacent to the target well and determines at least one adjacent water injection well adjacent to the target well.
In the step, computer equipment firstly determines the position of each oil well around a target oil well; and based on the position of each oil well, taking the oil well which is in the same straight line with the target oil well and is closest to the target oil well as an adjacent oil well. Correspondingly, when the adjacent water injection wells are determined, the position of each water injection well around the target oil well is determined, and the water injection well which is positioned on the same straight line with the target oil well and is closest to the target oil well is used as the adjacent water injection well based on the position of each water injection well.
Step 102: the computer device obtains a first permeability parameter for the target well, a second permeability parameter for each adjacent well, a third permeability parameter for each adjacent water injection well, a first distance between the target well and each adjacent well, and a second distance between the target well and each adjacent water injection well.
In embodiments of the present application, the permeability parameter may be characterized by permeability, and the first permeability parameter of the target well may be characterized by the permeability of the target well, and correspondingly, the second permeability parameter of each adjacent well may be characterized by the permeability of each adjacent well, and the third permeability parameter of each adjacent well may be characterized by the permeability of each adjacent well.
In this step, the computer device may obtain the permeability of the target oil well, the permeability of each adjacent water injection well, the first distance, and the second distance in any manner, for example, the computer device may be connected to an instrument to obtain the permeability of the target oil well, the permeability of each adjacent water injection well, the first distance, and the second distance measured by the instrument; alternatively, the computer device may also obtain a user-entered permeability of the target well, a permeability of each adjacent water injection well, the first distance, and the second distance. In the embodiments of the present application, this is not particularly limited.
Step 103: for each adjacent well, the computer device determines a first control cut point for the target well based on the first penetration parameter, the second penetration parameter for the adjacent well, and the first distance between the target well and the adjacent well.
This step can be realized by the following steps (1) to (4), including:
(1) The computer device determines a sum of the first permeability parameter and a second permeability parameter of the adjacent well to obtain a fourth permeability parameter.
Referring to FIG. 2, the target well is denoted by P, K p Representing a first permeability parameter of the target well, expressed as O 1 、O 2 、O 3 ……O n Indicating adjacent wells to
Figure BDA0002738112770000071
Indicating adjacent oilA second permeability parameter of the well, then
Figure BDA0002738112770000072
I.e. the fourth permeability parameter.
(2) The computer device determines a ratio of the first permeability parameter to the fourth permeability parameter to obtain a first value.
The first value in this step may be
Figure BDA0002738112770000073
And (4) showing.
(3) The computer device determines a product of the first value and the first distance to obtain a first control distance of the target well.
This step can be represented by formula one:
Figure BDA0002738112770000074
wherein L is O A first control distance is indicated and is,
Figure BDA0002738112770000075
representing a first distance.
(4) The computer device determines a first control demarcation point for the target well on a connection between the target well and an adjacent well.
In this step, the distance between the first control dividing point and the target oil well is a first control distance. To be provided with
Figure BDA0002738112770000076
Respectively representing the first control division point of the target oil well, the computer equipment is arranged on the connecting line between the target oil well and the adjacent oil well and has a distance L from the target oil well O Is determined as the first control cut point of the target well, see fig. 2.
It should be noted that, according to darcy's law of seepage, the permeability of a well is proportional to the control zone of the well for a given capacity of the well, and therefore the ratio of the permeability of the target well to the permeability of the adjacent well can be determined by the distance between the target well and the first control cut-off pointThe ratio to the distance between the first control division point and the adjacent well, i.e. the ratio
Figure BDA0002738112770000077
The formula is deformed to obtain the formula I.
In the embodiment of the application, the influence of the heterogeneity of the reservoir among wells on the control boundary point is reflected through the permeability parameters, so that the defects of a well spacing equal division calculation method are overcome, and the accuracy of determining the control boundary point is improved.
Step 104: for each adjacent water injection well, the computer device determines a second control cut point for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and a second distance between the target well and the adjacent water injection well.
This step can be realized by the following steps (1) to (2), including:
(1) In response to the first permeability parameter not being greater than the third permeability parameter of the adjacent water injection well, the computer device takes the location of the adjacent water injection well as the second control demarcation point for the target well.
In response to the first permeability parameter not being greater than the third permeability parameter of the adjacent water injection well, the contribution of the adjacent water injection well to the target well is 1, i.e., the target well may control production in a range between the adjacent water injection well and the target well, in which case the computer device determines that the adjacent water injection well is located as a second control cut-off, the second control cut-off being a second distance from the target well.
In this step, see FIG. 3, with I 1 、I 2 、I 3 ……I n It is meant that the adjacent water injection wells,
Figure BDA0002738112770000081
Figure BDA0002738112770000082
representing a third permeability parameter of the corresponding adjacent water injection well, a second control cut point may be determined using equation two below:
Figure BDA0002738112770000083
wherein L is M Representing the distance between the target well and the second control demarcation point,
Figure BDA0002738112770000084
representing the second distance.
(2) In response to the first permeability parameter being greater than the third permeability parameter of the adjacent water injection well, the computer device determines a second control distance for the target oil well based on the first permeability parameter, the third permeability parameter of the adjacent water injection well, and the second distance; determining a third control distance of the target oil well based on the third permeability parameter, the first permeability parameter, the second control distance and the second distance of the adjacent water injection wells; determining the sum of the second control distance and the third control distance to obtain a fourth control distance; and determining a second control dividing point of the target oil well on a connecting line between the target oil well and the adjacent water injection well.
This step can be represented by the following steps (2-1) to (2-7):
(2-1) the computer equipment determines the sum of the first permeability parameter and a third permeability parameter of an adjacent water injection well to obtain a fifth permeability parameter.
In this step, the fifth permeability parameter can be used
Figure BDA0002738112770000085
And (4) showing.
(2-2) the computer equipment determines the ratio of the first permeation parameter to the fifth permeation parameter to obtain a second numerical value.
In this step, the second value can be used
Figure BDA0002738112770000086
And (4) showing.
And (2-3) the computer equipment determines the product of the second numerical value and the second distance to obtain a second control distance.
This step can be represented by the following formula three:
Figure BDA0002738112770000087
wherein the content of the first and second substances,
Figure BDA0002738112770000088
a second control distance is indicated and is,
Figure BDA0002738112770000089
representing the second distance.
And (2-4) the computer equipment determines the difference value of the second distance and the second control distance to obtain a third numerical value.
Due to the source-sink relation between the target oil well and the adjacent water injection well, the adjacent water injection well generates an additional oil drainage radius, namely a third control distance, on the target oil well due to the water injection pressure difference. In this step, the
Figure BDA00027381127700000810
A third value is indicated.
(2-5) the computer equipment determines the ratio of the third permeability parameter to the first permeability parameter of the adjacent water injection well to obtain a fourth numerical value.
In this step, the
Figure BDA0002738112770000091
A fourth numerical value is indicated.
(2-6) the computer device determines a product of the third value and the fourth value to obtain a third control distance.
In this step, the following formula four can be used to represent:
Figure BDA0002738112770000092
wherein the content of the first and second substances,
Figure BDA0002738112770000093
indicating a third control distance.
(2-7) the computer device determines a sum of the second control distance and the third control distance, resulting in a fourth control distance.
This step can be represented by the formula five:
Figure BDA0002738112770000094
wherein L is N A fourth control distance is indicated.
(2-8) on the connection between the target well and the adjacent water injection well, the computer device determines a second control cut point for the target well.
To be provided with
Figure BDA0002738112770000095
Respectively representing the second control division point of the target oil well, the computer equipment is arranged on the connecting line between the target oil well and the adjacent water injection and has a distance L with the target oil well N Is determined as the second control cut point of the target well, the distance between the second control cut point and the target well is the fourth control distance, see fig. 3.
In the embodiment of the application, the heterogeneity of the reservoir among wells is considered, the influence of the injection-production relationship on the oil reservoir seepage and the control boundary point is also considered, the defects of the related technology are overcome, the accuracy of determining the control area of the single well is improved, and the method has important significance for guiding the design of an oil reservoir development scheme, evaluating the residual potential of the single well in the oil reservoir development process and guiding the oil reservoir development.
Step 105: the computer device determines a control area of the target well based on the at least one first control demarcation point and the at least one second control demarcation point, and determines an area of the control area as a control area of the target well.
In this step, the computer device determines a control area formed by connecting each first control division point and each second control division point, and the area of the control area is the control area of the target oil well.
The control area may be a regular area or an irregular area, which is not specifically limited in the embodiments of the present application. The method of determining the area of the control region is not particularly limited.
It should be noted that, during the development of the oil reservoir, the distribution positions of the oil wells and the water injection wells form a well pattern, which may be a regular well pattern or an irregular well pattern. For a continental facies deposition complex fault block oil reservoir, the reservoir has strong heterogeneity, and meanwhile, irregular well patterns are mostly adopted for development, and under the condition, a difficult problem is provided for determining the control area of a single well. In the related technology, the heterogeneity of a reservoir is neglected by adopting a well spacing equal division method, so that the determined single well control area is inaccurate.
In the method for determining the single-well control area provided by the embodiment of the application, when the control area of the target oil well is determined, the penetration parameter of the target oil well, the penetration parameter of the adjacent oil well and the penetration parameter of the adjacent water injection well are combined, the penetration parameter can reflect the mobility of oil, and the mobility of the oil can influence the control dividing point of the oil well. Therefore, the accuracy of determining the control dividing point can be improved by combining the penetration parameter when determining the single-well control area, so that the accuracy of determining the single-well control area is improved.
The technical solution of the present application will be described in detail by specific examples below.
Target well P 1 The adjacent oil wells have 2 ports, P 2 、P 3 The adjacent water injection wells have 4 holes which are respectively I 1 、I 2 、I 4 、I 5 (ii) a Target well P 2 The adjacent oil wells have 2 ports, P respectively 1 、P 4 The adjacent water injection wells have 4 holes which are respectively I 2 、I 3 、I 5 、I 6 See fig. 4. Wherein the target well P 1 、P 2 The distances between the adjacent wells and the adjacent water injection wells corresponding thereto are shown in table 1, and the permeability parameters of the respective wells and the regions in which the respective water injection wells are located are shown in table 2.
TABLE 1 target well P 1 、P 2 The distance between the adjacent oil wells and the adjacent water injection wells corresponding to the oil wells
Well spacing/m I 1 I 2 I 3 I 4 I 5 I 6 P 1 P 2 P 3 P 4
P 1 270 340 / 228 240 / / 273 270 /
P 2 / 242 304 / 268 276 275 / / 366
TABLE 2 Permeability parameters for each well and for the area of each injection well
Figure BDA0002738112770000101
For the target well P 1 According to the above formula one
Figure BDA0002738112770000102
Data in tables 1 and 2, and adjacent wells P 2 Corresponding first control demarcation point and P 1 A first control distance of 145m therebetween, and an adjacent well P 3 Corresponding first control demarcation point and P 1 The first control distance therebetween is 132m.
As can be seen from table 2: p 1 Is not greater than I 2 、I 5 A third permeability parameter of greater than I 1 、I 4 According to the second formula, the data in table 1 and table 2, the adjacent water injection well I is obtained 2 Corresponding second control demarcation point and P 1 The distance between the water injection wells is 340m, and the adjacent water injection wells I 5 Corresponding second control demarcation point and P 1 The distance between them is 240m; obtaining adjacent water injection wells I according to the data in the formula five, the table 1 and the table 2 1 Corresponding second control demarcation point and P 1 The fourth control distance between the water injection wells is 265m and the adjacent water injection wells I 4 Corresponding second control demarcation point and P 1 The fourth control distance therebetween is 207m.
Determined by each first controlThe dividing point is connected with each second control dividing point to form a control area A, and the area of the control area is the target oil well P 1 See fig. 4.
For the target well P 2 According to the formula one
Figure BDA0002738112770000111
Data in tables 1 and 2, and adjacent wells P 1 Corresponding first control demarcation point and P 2 A first control distance of 129m therebetween, and an adjacent well P 4 Corresponding first control demarcation point and P 2 The first control distance in between is 192m.
As can be seen from table 2: p is 2 Has a first penetration parameter of not more than I 2 、I 5 、I 6 A third permeability parameter of greater than I 3 Thus, the data in formula two, table 1 and table 2 are used to obtain the adjacent water injection well I 3 Corresponding second control demarcation point and P 2 With a distance of 291m between adjacent water injection wells I 2 Corresponding second control demarcation point and P 2 242m from each other; obtaining adjacent water injection wells I according to the data in the formula five, the table 1 and the table 2 5 Corresponding second control demarcation point and P 2 The fourth control distance between the water injection wells is 268m and the adjacent water injection wells I 6 Corresponding second control demarcation point and P 2 The fourth control distance therebetween is 276m.
Determining a control area B formed by connecting each first control division point and each second control division point, wherein the area of the control area is the target oil well P 2 See fig. 4.
The embodiment of the present application provides a single well control area determination device, refer to fig. 5, and the device includes:
a first determining module 501 for determining at least one adjacent well adjacent to the target well and at least one adjacent water injection well adjacent to the target well;
an obtaining module 502 for obtaining a first permeability parameter of the target oil well, a second permeability parameter of each adjacent oil well, a third permeability parameter of each adjacent water injection well, a first distance between the target oil well and each adjacent oil well, and a second distance between the target oil well and each adjacent water injection well;
a second determination module 503 for determining, for each adjacent well, a first control cut point for the target well based on the first permeability parameter, the second permeability parameter for the adjacent well, and the first distance between the target well and the adjacent well;
a third determination module 504 for determining, for each adjacent water injection well, a second control cut point for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and a second distance between the target well and the adjacent water injection well;
a fourth determination module 505, configured to determine a control area of the target well based on the at least one first control demarcation point and the at least one second control demarcation point, and determine an area of the control area as the control area of the target well.
In a possible implementation manner, the second determining module 503 is configured to determine a sum of the first permeability parameter and a second permeability parameter of an adjacent oil well, so as to obtain a fourth permeability parameter; determining the ratio of the first permeability parameter to the fourth permeability parameter to obtain a first value; determining the product of the first numerical value and the first distance to obtain a first control distance of the target oil well; and determining a first control dividing point of the target oil well on a connecting line between the target oil well and the adjacent oil well, wherein the distance between the first control dividing point and the target oil well is a first control distance.
In another possible implementation manner, the third determining module 504 is configured to, in response to that the first permeability parameter is not greater than the third permeability parameter of the adjacent water injection well, use the position of the adjacent water injection well as a second control demarcation point of the target oil well, where a distance between the second control demarcation point and the target oil well is a second distance; in response to the first permeability parameter being greater than the third permeability parameter of the adjacent water injection well, determining a second control distance for the target well based on the first permeability parameter, the third permeability parameter of the adjacent water injection well, and the second distance; determining a third control distance of the target oil well based on the third permeability parameter, the first permeability parameter, the second control distance and the second distance of the adjacent water injection wells; determining the sum of the second control distance and the third control distance to obtain a fourth control distance; and determining a second control dividing point of the target oil well on a connecting line between the target oil well and the adjacent water injection well, wherein the distance between the second control dividing point and the target oil well is a fourth control distance.
In another possible implementation manner, the third determining module 504 is configured to determine a sum of the first permeability parameter and a third permeability parameter of an adjacent water injection well, so as to obtain a fifth permeability parameter; determining the ratio of the first permeability parameter to the fifth permeability parameter to obtain a second numerical value; and determining the product of the second numerical value and the second distance to obtain a second control distance.
In another possible implementation manner, the third determining module 504 is configured to determine a difference between the second distance and the second control distance to obtain a third value; determining the ratio of the third permeability parameter to the first permeability parameter of the adjacent water injection well to obtain a fourth numerical value; and determining the product of the third numerical value and the fourth numerical value to obtain a third control distance.
In another possible implementation, the first determining module 501 is configured to determine the location of each well around the target well; and based on the position of each oil well, taking the oil well which is positioned on the same straight line with the target oil well and is closest to the target oil well as the adjacent oil well.
The embodiment of the application provides a single-well control area determining device, and when the control area of a target oil well is determined, the penetration parameter of the target oil well, the penetration parameter of an adjacent oil well and the penetration parameter of an adjacent water injection well are combined, so that the penetration parameter can reflect the fluidity of oil, and the fluidity of the oil can influence the control dividing point of the oil well. Therefore, the accuracy of determining the control dividing point can be improved by combining the penetration parameter when determining the single-well control area, so that the accuracy of determining the single-well control area is improved.
Fig. 6 shows a block diagram of a computer device 600 provided in an exemplary embodiment of the present application. The computer device 600 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. Computer device 600 may also be referred to by other names such as user equipment, portable terminals, laptop terminals, desktop terminals, and the like.
Generally, the computer device 600 includes: a processor 601 and a memory 602.
Processor 601 may include one or more processing cores, such as 4-core processors, 8-core processors, and so forth. The processor 601 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 601 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 601 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content that the display screen needs to display. In some embodiments, processor 601 may also include an AI (Artificial Intelligence) processor for processing computational operations related to machine learning.
Memory 602 may include one or more computer-readable storage media, which may be non-transitory. The memory 602 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 602 is used to store at least one instruction for execution by processor 601 to implement the method of determining single well control area provided by the method embodiments herein.
In some embodiments, the computer device 600 may further optionally include: a peripheral interface 603 and at least one peripheral. The processor 601, memory 602 and peripherals interface 603 may be connected by buses or signal lines. Various peripheral devices may be connected to the peripheral interface 603 via a bus, signal line, or circuit board. Specifically, the peripheral device includes: at least one of a radio frequency circuit 604, a display 605, a camera assembly 606, an audio circuit 607, a positioning assembly 608, and a power supply 609.
The peripheral interface 603 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 601 and the memory 602. In some embodiments, the processor 601, memory 602, and peripherals interface 603 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 601, the memory 602, and the peripheral interface 603 may be implemented on a separate chip or circuit board, which is not limited in this embodiment.
The Radio Frequency circuit 604 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 604 communicates with a communication network and other communication devices via electromagnetic signals. The rf circuit 604 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 604 comprises: 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 604 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, various 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 604 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.
The display 605 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 605 is a touch display screen, the display screen 605 also has the ability to capture touch signals on or over the surface of the display screen 605. The touch signal may be input to the processor 601 as a control signal for processing. At this point, the display 605 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 605 may be one, disposed on the front panel of the computer device 600; in other embodiments, the display 605 may be at least two, respectively disposed on different surfaces of the computer device 600 or in a folded design; in other embodiments, the display 605 may be a flexible display disposed on a curved surface or on a folded surface of the computer device 600. Even more, the display 605 may be arranged in a non-rectangular irregular pattern, i.e., a shaped screen. The Display 605 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and the like.
The camera assembly 606 is used to capture images or video. Optionally, camera assembly 606 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 606 may also include a flash. The flash lamp can be a single-color temperature flash lamp or a double-color 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 under different color temperatures.
Audio circuitry 607 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 601 for processing or inputting the electric signals to the radio frequency circuit 604 to realize voice communication. For stereo capture or noise reduction purposes, the microphones may be multiple and located at different locations on the computer device 600. 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 601 or the radio frequency circuit 604 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 607 may also include a headphone jack.
The Location component 608 is used to locate the current geographic Location of the computer device 600 to implement navigation or LBS (Location Based Service). The Positioning component 608 can 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.
The power supply 609 is used to supply power to the various components in the computer device 600. The power supply 609 may be ac, dc, disposable or rechargeable. When the power supply 609 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 can also be used to support fast charge technology.
In some embodiments, the computer device 600 also includes one or more sensors 610. The one or more sensors 610 include, but are not limited to: acceleration sensor 611, gyro sensor 612, pressure sensor 613, fingerprint sensor 614, optical sensor 615, and proximity sensor 616.
The acceleration sensor 611 may detect the magnitude of acceleration in three coordinate axes of a coordinate system established with the computer apparatus 600. For example, the acceleration sensor 611 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 601 may control the display screen 605 to display the user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 611. The acceleration sensor 611 may also be used for acquisition of motion data of a game or a user.
The gyro sensor 612 may detect a body direction and a rotation angle of the computer apparatus 600, and the gyro sensor 612 may cooperate with the acceleration sensor 611 to acquire a 3D motion of the user on the computer apparatus 600. The processor 601 may implement the following functions according to the data collected by the gyro sensor 612: 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 613 may be disposed on a side bezel of the computer device 600 and/or underneath the display screen 605. When the pressure sensor 613 is disposed on the side frame of the computer device 600, the holding signal of the user to the computer device 600 can be detected, and the processor 601 performs left-right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 613. When the pressure sensor 613 is arranged at the lower layer of the display screen 605, the processor 601 controls the operability control on the UI interface according to the pressure operation of the user on the display screen 605. 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 614 is used for collecting a fingerprint of a user, and the processor 601 identifies the identity of the user according to the fingerprint collected by the fingerprint sensor 614, or the fingerprint sensor 614 identifies the identity of the user according to the collected fingerprint. Upon identifying that the user's identity is a trusted identity, the processor 601 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 614 may be disposed on the front, back, or side of the computer device 600. When a physical key or vendor Logo is provided on the computer device 600, the fingerprint sensor 614 may be integrated with the physical key or vendor Logo.
The optical sensor 615 is used to collect the ambient light intensity. In one embodiment, processor 601 may control the display brightness of display screen 605 based on the ambient light intensity collected by optical sensor 615. Specifically, when the ambient light intensity is high, the display brightness of the display screen 605 is increased; when the ambient light intensity is low, the display brightness of the display screen 605 is adjusted down. In another embodiment, the processor 601 may also dynamically adjust the shooting parameters of the camera assembly 606 according to the ambient light intensity collected by the optical sensor 615.
The proximity sensor 616, also known as a distance sensor, is typically disposed on the front panel of the computer device 600. The proximity sensor 616 is used to capture the distance between the user and the front of the computer device 600. In one embodiment, when the proximity sensor 616 detects that the distance between the user and the front face of the computer device 600 is gradually decreasing, the display screen 605 is controlled by the processor 601 to switch from the bright screen state to the dark screen state; when the proximity sensor 616 detects that the distance between the user and the front of the computer device 600 is gradually increasing, the display screen 605 is controlled by the processor 601 to switch from the breath-screen state to the bright-screen state.
Those skilled in the art will appreciate that the architecture illustrated in FIG. 6 does not constitute a limitation of the computer device 600, and may include more or fewer components than those illustrated, or some components may be combined, or a different arrangement of components may be employed.
Embodiments of the present application also provide a computer-readable storage medium having at least one program code stored therein, the at least one program code being loaded into and executed by a processor to perform operations performed by any of the methods for determining a single well control area.
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, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A method of determining a single well control area, the method comprising:
determining at least one adjacent well adjacent to a target well, and determining at least one adjacent water injection well adjacent to the target well;
obtaining a first permeability parameter for the target well, a second permeability parameter for each adjacent well, a third permeability parameter for each adjacent water injection well, a first distance between the target well and each adjacent well, and a second distance between the target well and each adjacent water injection well;
for each adjacent well, determining a first control cut point for the target well based on the first penetration parameter, the second penetration parameter for the adjacent well, and a first distance between the target well and the adjacent well;
for each adjacent water injection well, determining a second control cut point for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and a second distance between the target well and the adjacent water injection well;
determining a control area of the target well based on at least one first control demarcation point and at least one second control demarcation point, determining the area of the control area as the control area of the target well.
2. The method of claim 1, wherein determining the first control cut point for the target well based on the first permeability parameter, the second permeability parameter for the adjacent well, and the first distance between the target well and the adjacent well comprises:
determining the sum of the first permeability parameter and a second permeability parameter of the adjacent oil well to obtain a fourth permeability parameter;
determining the ratio of the first permeability parameter to the fourth permeability parameter to obtain a first value;
determining the product of the first numerical value and the first distance to obtain a first control distance of the target oil well;
and determining a first control dividing point of the target oil well on a connecting line between the target oil well and the adjacent oil well, wherein the distance between the first control dividing point and the target oil well is the first control distance.
3. The method of claim 1, wherein determining a second control cut point for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and a second distance between the target well and the adjacent water injection well comprises:
in response to the first permeability parameter not being greater than a third permeability parameter of the adjacent water injection well, treating the adjacent water injection well as a second control demarcation point for the target well, the second control demarcation point being a distance from the target well that is the second distance;
in response to the first permeability parameter being greater than a third permeability parameter of the adjacent water injection well, determining a second control distance for the target well based on the first permeability parameter, the third permeability parameter of the adjacent water injection well, and the second distance; determining a third control distance for the target well based on a third permeability parameter of the adjacent water injection well, the first permeability parameter, the second control distance, and the second distance; determining the sum of the second control distance and the third control distance to obtain a fourth control distance; and determining a second control dividing point of the target oil well on a connecting line between the target oil well and the adjacent water injection well, wherein the distance between the second control dividing point and the target oil well is the fourth control distance.
4. The method of claim 3, wherein determining a second control distance for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and the second distance comprises:
determining the sum of the first permeability parameter and a third permeability parameter of the adjacent water injection well to obtain a fifth permeability parameter;
determining the ratio of the first permeability parameter to the fifth permeability parameter to obtain a second numerical value;
and determining the product of the second numerical value and the second distance to obtain the second control distance.
5. The method of claim 3, wherein the determining a third control distance for the target well based on a third permeability parameter of the adjacent water injection well, the first permeability parameter, the second control distance, and the second distance comprises:
determining a difference value between the second distance and the second control distance to obtain a third numerical value;
determining the ratio of the third permeability parameter of the adjacent water injection well to the first permeability parameter to obtain a fourth numerical value;
and determining the product of the third numerical value and the fourth numerical value to obtain the third control distance.
6. The method of claim 1, wherein the determining at least one neighboring well adjacent to the target well comprises:
determining the location of each well around the target well;
and based on the position of each oil well, taking the oil well which is in the same straight line with the target oil well and is closest to the target oil well as the adjacent oil well.
7. An apparatus for determining a single well control area, the apparatus comprising:
a first determination module for determining at least one adjacent well adjacent to a target well and at least one adjacent water injection well adjacent to the target well;
an acquisition module for acquiring a first permeability parameter of the target well, a second permeability parameter of each adjacent well, a third permeability parameter of each adjacent water injection well, a first distance between the target well and each adjacent well, and a second distance between the target well and each adjacent water injection well;
a second determination module to determine, for each adjacent well, a first control cut point for the target well based on the first permeability parameter, a second permeability parameter of the adjacent well, and a first distance between the target well and the adjacent well;
a third determination module to determine, for each adjacent water injection well, a second control cut point for the target well based on the first permeability parameter, a third permeability parameter of the adjacent water injection well, and a second distance between the target well and the adjacent water injection well;
and the fourth determination module is used for determining a control area of the target oil well based on the at least one first control demarcation point and the at least one second control demarcation point and determining the area of the control area as the control area of the target oil well.
8. The apparatus of claim 7, wherein the second determining module is configured to determine a sum of the first permeability parameter and a second permeability parameter of the adjacent well to obtain a fourth permeability parameter; determining the ratio of the first permeability parameter to the fourth permeability parameter to obtain a first value; determining the product of the first numerical value and the first distance to obtain a first control distance of the target oil well; and determining a first control dividing point of the target oil well on a connecting line between the target oil well and the adjacent oil well, wherein the distance between the first control dividing point and the target oil well is the first control distance.
9. A computer device, characterized in that the computer device comprises:
a processor and a memory having stored therein at least one program code, the at least one program code being loaded and executed by the processor to carry out the operations carried out in the method of determining a single well control area of any one of claims 1 to 6.
10. A computer-readable storage medium having stored therein at least one program code, the at least one program code being loaded into and executed by a processor to perform the operations performed in the method of determining single well control area of any of claims 1 to 6.
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