CN115828795A - Method and system for calculating water drive storage capacity control degree of old oil field - Google Patents
Method and system for calculating water drive storage capacity control degree of old oil field Download PDFInfo
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Abstract
The invention provides a method and a system for calculating the control degree of water flooding storage capacity of an old oil field, belonging to the technical field of oil field exploitation, wherein the method comprises the following steps: collecting splitting results and attribute field data of each layer in each well of a block; obtaining the pressure threshold value of each layer, and calculating to obtain the non-flowing potential difference of each layer by combining the splitting result and the attribute field data; calculating the potentials of all the grids of each layer when the grids reach a stable state based on the non-flowable potential difference to obtain water-drive wave reach areas of each layer; and calculating the water drive wave and the reserve of each layer according to the water drive wave and the area of each layer, and calculating to obtain the water drive reserve control degree of the block. The invention can overcome the limitation of a simplified formula definition method, a well pattern density method and an oil-sand separation method aiming at a regular well pattern and a homogeneous reservoir, can also overcome the limitation of a numerical simulation method needing long-time history fitting, shortens the calculation time, simultaneously ensures the accuracy of the result, obtains the result which is in line with the actual production, guides the water injection fine development and has wide practicability.
Description
Technical Field
The invention belongs to the technical field of oilfield exploitation, and particularly relates to a method and a system for calculating the water flooding storage capacity control degree of an old oilfield.
Background
At present, old oil fields generally undergo water injection development and are in high-water-content and ultrahigh-water-content stages, and meanwhile due to the complex geological conditions (planar heterogeneity, multi-reservoir sandstone and other characteristics) and frequent adjustment of development measures of the oil fields, the problems of ineffective injected water, serious inefficient circulation, low water drive recovery ratio and the like generally exist. Only by the control degree of the clear water flooding reserves, the production position of the oil-water well can be effectively adjusted, the well pattern can be improved, and the water flooding development effect can be improved, so that the efficient and sustainable development of the water injection oil field can be realized. The water drive reserve control degree is a main index for reflecting the well pattern perfection degree, and the index can directly reflect whether the injection-production well pattern is reasonable or not and whether the injection-production well pattern is perfect or not, so that the accurate calculation of the water drive reserve control of the oil reservoir has important significance.
The conventional methods for calculating the control degree of the water flooding reserve include a simplified formula definition method, a well pattern density method, an oil and sand separation method and a numerical simulation method, wherein the simplified formula definition method, the well pattern density method and the oil and sand separation method are relatively accurate in oil reservoir calculation results of a well pattern which is integrally assembled, relatively homogeneous and regular, and the numerical simulation method needs long-time history fitting and has certain limitations.
Disclosure of Invention
Aiming at the problems, the invention provides a method and a system for calculating the water flooding storage capacity control degree of an old oil field.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for calculating the control degree of the water flooding storage capacity of an old oil field comprises the following steps:
collecting splitting results and attribute field data of each layer in each well of a block;
obtaining the pressure threshold value of each layer, and calculating to obtain the non-flowing potential difference of each layer by combining the splitting result and the attribute field data;
calculating the potentials of all the grids of each layer when the grids reach a stable state based on the non-flowable potential difference to obtain water-drive wave reach areas of each layer;
calculating the water flooding wave and reserve of each layer according to the water flooding wave and area of each layer;
and calculating the water drive reserve control degree of the block based on the water drive waves and the reserve.
Preferably, the method for acquiring splitting results and attribute field data of each layer in each well in the block comprises the following steps:
numbering each well in the block, layering each well, wherein the number of layers is m, and m is more than 1;
collecting attribute field data of each layer based on the layering result;
and splitting each layer of each well, and sorting the data of oil yield, water yield and water injection amount of each layer of each well on the last date according to splitting results.
Preferably, the non-flowable potential difference of said layers is calculated
The formula is as follows:
in the formula, k i 、u i Average permeability and viscosity of the ith layer respectively; p i Is the pressure threshold of each layer; m is the number of layers of each well, and m is more than 1.
Preferably, based on the non-flowable potential difference, calculating the potentials of all the grids of each layer when the grids reach a steady state to obtain the water flooding reach area of each layer, and the method comprises the following steps:
calculating the potential value of each layer of each grid when the grid reaches a steady state by using a potential superposition principle;
and selecting one oil layer, and when the difference value of the adjacent grid potentials of the selected oil layer is smaller than the non-flowing potential difference of the selected oil layer, indicating that oil and water between the adjacent grids do not flow, thereby obtaining the grid blocks contained in the water flooding wave and area of each layer.
Preferably, the method for calculating the water flooding and reserve of each layer according to the water flooding and area of each layer comprises the following steps:
and calculating the water flooding wave and the reserve of each grid in the region according to the pore volume and the oil saturation of the grids, wherein the formula is as follows:
in the formula (I), the compound is shown in the specification,
the reserve value of the No. s grid of the ith layer;
pore volume of the i-th layer of grid No. s;
the oil saturation of the ith layer of the grid is the oil saturation of the grid No. s; m is the number of layers of each well, and m is more than 1;
and (3) calculating the total reserve of each layer of water flooding wave and area, wherein the formula is as follows:
in the formula (I), the compound is shown in the specification,
the water flooding and regional reserves of the ith layer are obtained.
Preferably, the water flooding reserve control degree δ of the block is calculated as follows:
in the formula (I), the compound is shown in the specification,Ris the total geological reserve of the block.
A system for calculating the control degree of the water flooding reserves of an old oil field comprises an acquisition unit, a first calculation unit, a second calculation unit, a third calculation unit and a fourth calculation unit;
the acquisition unit is used for acquiring splitting results and attribute field data of each layer in each well in the block;
the first calculation unit is used for acquiring the pressure threshold of each layer, and calculating to obtain the non-flowing potential difference of each layer by combining the splitting result and the attribute field data;
the second calculation unit is used for calculating the potentials of all the grids of each layer when the grids reach the steady state based on the non-flowable potential difference to obtain the water drive wave reach areas of each layer;
the third calculation unit is used for calculating the water flooding waves and the reserves of each layer according to the water flooding waves and the areas of each layer;
and the fourth calculating unit is used for calculating the water drive reserve control degree of the block based on the water drive waves and the reserve.
Preferably, the first computing unit comprises a preprocessing module, a collecting module and a splitting module;
the preprocessing module is used for numbering each well in the block and layering each well, and the number of layers ism，m＞1；
The acquisition module is used for acquiring attribute field data of each layer based on the layering result;
and the splitting module is used for splitting each layer of each well and sorting the data of oil yield, water yield and water injection amount of each layer of each well on the last date according to splitting results.
Preferably, the second computing unit comprises a superposition module and a water-drive computing module;
the superposition module is used for calculating the potential value of each layer of each grid when the grid reaches the steady state by using a potential superposition principle;
and the water drive calculation module is used for selecting one oil layer, and when the difference value of the adjacent grid potentials of the selected oil layer is smaller than the non-flowing potential difference of the selected oil layer, the oil and water between the adjacent grids do not flow, so that grid blocks contained in the water drive wave reach area of each layer are obtained.
Preferably, the fourth calculation unit includes a grid calculation module and a total reserve calculation module;
the grid computing module is used for computing the reserves of each grid in the water flooding wave and area according to the pore volume and the oil saturation of the grid;
and the total reserve calculation module is used for calculating the total reserve of each layer of water flooding wave and the region.
The invention has the beneficial effects that:
1. the method can overcome the limitation of a simplified formula definition method, a well pattern density method and an oil-sand separation method aiming at a regular well pattern and a homogeneous reservoir, can also overcome the limitation of a numerical simulation method needing long-time history fitting, shortens the calculation time, simultaneously ensures the accuracy of the result, obtains the result which is actually in line with the production, guides the water injection fine development, and has wide practicability;
2. the invention can quickly calculate the water drive control degree when reaching the steady state on the basis of considering the reservoir heterogeneity and the production dynamic state, improves the calculation accuracy and speed, and can effectively guide the field water injection development.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 shows a flow chart of a method for calculating the water flooding storage control degree of an old oil field according to the invention;
FIG. 2 shows a profile of an injection well and a production well in a grid according to the invention;
fig. 3 shows a block diagram of a system for calculating the control degree of water flooding reserves of an old oil field according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A method for calculating the control degree of water flooding storage capacity of an old oil field, as shown in fig. 1, comprises the following steps:
s1: collecting splitting results and attribute field data of each layer in each well in a block; wherein each layer refers to each oil layer;
s2: obtaining the pressure threshold value of each layer, and calculating to obtain the non-flowing potential difference of each layer by combining the splitting result and the attribute field data;
s3: calculating the potentials of all the grids of each layer when the grids reach a stable state based on the non-flowable potential difference to obtain water-drive wave reach areas of each layer;
s4: calculating the water flooding wave and reserve of each layer according to the water flooding wave and area of each layer;
s5: and calculating the water drive reserve control degree of the block based on the water drive waves and the reserve.
Further, in step S1, the following steps are included:
s101: numbering the wells in the block, layering the wells in layersm，m＞1；
S102: collecting attribute field data of each layer based on the layering result;
s103: and splitting each layer of each well, and sorting the data of oil yield, water yield and water injection amount of each layer of each well on the last date according to splitting results.
Table 1: collecting production data of each layer of oil field well
Table 1 can be constructed through steps S101-S103, taking a certain block as an example, the block is provided with a plurality of oil production wells and water injection wells, each well is numbered by using X1, X2, \8230; \ 8230z and Xz, and the number of layers of each well is set asmThe collected data includes oil yield, water yield and water injection, in units of square/day.
Further, in step S, the non-flowable potential difference of each layer is calculated
The formula is as follows:
in the formula, k i 、u i Average permeability and viscosity of the ith layer respectively; p i Is the pressure threshold of each layer; m is the number of layers of each well, and m is more than 1.
Further, in step S3, based on the non-flowable potential difference, calculating potentials of all the grids of each layer when the grid reaches a steady state to obtain water flooding coverage areas of each layer, including the following steps:
s301: calculating the potential value of each layer of each grid when the grid reaches a steady state by using a potential superposition principle; assuming n wells in the ith layer, selecting any gridNAs shown in FIG. 2, each well site is in a gridNThe potential expression of (a) is:
wherein
The potential of the nth well of the i layers in the grid N is obtained;
the production of the n-th well in the i layer is positive if the well is an injection well and negative if the well is a production well;
is a constant;
the distance from the nth well of the i layers to the grid N;
obtaining a grid using potential superpositionNThe total potential of (c):
wherein i =1,2, \8230;, m; n is all grids of the ith layer;
production at layer i for jth well;
the potential of the ith well is the potential of the jth well of the ith layer;
the distance from the ith well in the ith layer to the grid N.
S302: and selecting one oil layer, and when the difference value of the adjacent grid potentials of the selected oil layer is smaller than the non-flowing potential difference of the selected oil layer, indicating that oil and water between the adjacent grids do not flow, thereby obtaining the grid blocks contained in the water flooding wave and area of each layer.
As shown in FIG. 2, a plurality of water injection wells and oil production wells are distributed on N grids of a certain layer, and it can be seen from the figure that the distance from the well N to the grid N on the layer is
The potential at the layer of grid N is
。
Further, the method for calculating the water flooding wave and the reserve of each layer according to the water flooding wave and the water flooding area of each layer comprises the following steps:
and calculating the water flooding wave and the reserve of each grid in the region according to the pore volume and the oil saturation of the grids, wherein the formula is as follows:
in the formula (I), the compound is shown in the specification,
reserve value of the No. s grid of the ith layer;
pore volume of the i-th layer of grid No. s;
the oil saturation of the i-th layer of the grid is shown; m is the number of layers of each well, and m is more than 1;
and (3) calculating the total reserve of each layer of water flooding wave and area, wherein the formula is as follows:
in the formula (I), the compound is shown in the specification,
the water flooding and regional reserves of the ith layer are obtained.
Further, calculating to obtain the water drive reserve control degree δ of the block, wherein the formula is as follows:
in the formula (I), the compound is shown in the specification,Ris the total geological reserve for the block.
A system for calculating the control degree of the water flooding reserves of the old oil field is shown in fig. 3 and comprises an acquisition unit, a first calculation unit, a second calculation unit, a third calculation unit and a fourth calculation unit;
the acquisition unit is used for acquiring splitting results and attribute field data of each layer in each well of the block;
the first calculation unit is used for acquiring the pressure threshold of each layer and calculating the non-flowing potential difference of each layer by combining the splitting result and the attribute field data;
the second calculation unit is used for calculating the potentials of all the grids of each layer when the grids reach the stable state based on the non-flowable potential difference to obtain water drive wave reach areas of each layer;
the third calculation unit is used for calculating the water flooding waves and the reserves of each layer according to the water flooding waves and the areas of each layer;
and the fourth calculating unit is used for calculating and obtaining the water drive reserve control degree of the block based on the water drive waves and the reserve.
Further, the first computing unit comprises a preprocessing module, an acquisition module and a splitting module;
the pretreatment module is used for numbering each well in the block and layering each well, wherein the number of layers is m, and m is more than 1;
the acquisition module is used for acquiring attribute field data of each layer based on the layering result;
and the splitting module is used for splitting each layer of each well and sorting the data of the oil yield, the water yield and the water injection amount of each layer of each well on the last date according to splitting results.
Further, the second computing unit comprises a superposition module and a water drive computing module;
the superposition module is used for calculating the potential value of each layer of each grid when the grid reaches the steady state by using a potential superposition principle;
and the water drive calculation module is used for selecting one oil layer, and when the difference value of the adjacent grid potentials of the selected oil layer is smaller than the non-flowing potential difference of the selected oil layer, the oil and water between the adjacent grids do not flow, so that grid blocks contained in the water drive wave reach area of each layer are obtained.
Further, the fourth computing unit comprises a grid computing module and a total reserve computing module;
the grid computing module is used for computing the reserves of each grid in the water flooding wave and area according to the pore volume and the oil saturation of the grids;
and the total reserve calculation module is used for calculating the total reserve of each layer of water drive wave and area.
It should be noted that, each unit and module of the system for calculating the control degree of the water drive reserve of the old oil field are only divided according to the functional logic, but are not limited to the above division, as long as the corresponding functions can be realized; in addition, the specific names of the units are only for convenience of distinguishing from each other and are not used for limiting the protection scope of the invention.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for calculating the control degree of the water flooding storage capacity of an old oil field is characterized by comprising the following steps:
collecting splitting results and attribute field data of each layer in each well of a block;
obtaining the pressure threshold value of each layer, and calculating to obtain the non-flowing potential difference of each layer by combining the splitting result and the attribute field data;
calculating the potentials of all the grids of each layer when the grids reach a stable state based on the non-flowable potential difference to obtain water-drive wave reach areas of each layer;
calculating the water flooding wave and reserve of each layer according to the water flooding wave and area of each layer;
and calculating the water drive reserve control degree of the block based on the water drive waves and the reserve.
2. The method for calculating the water flooding storage control degree of the old oil field according to claim 1, wherein the step of collecting splitting results and attribute field data of each layer in each well of a block comprises the following steps:
numbering each well in the block, layering each well, wherein the number of layers is m, and m is more than 1;
collecting attribute field data of each layer based on the layering result;
and splitting each layer of each well, and sorting the data of oil yield, water yield and water injection amount of each layer of each well on the last date according to splitting results.
3. The method for calculating the water flooding storage control degree of the old oil field according to claim 1, wherein the non-flowing potential difference of each layer is calculated
The formula is as follows:
in the formula, k i 、u i Average permeability and viscosity of the ith layer respectively; p is i Is the pressure threshold of each layer; m is the number of layers of each well, and m is more than 1.
4. The method for calculating the water flooding storage capacity control degree of the old oil field according to claim 1, wherein the potentials of all grids of each layer when the grids reach the steady state are calculated based on the non-flowable potential difference to obtain the water flooding swept areas of each layer, and the method comprises the following steps:
calculating the potential value of each layer of each grid when the grid reaches a steady state by using a potential superposition principle;
and selecting one oil layer, and when the difference value of the adjacent grid potentials of the selected oil layer is smaller than the non-flowing potential difference of the selected oil layer, indicating that oil and water between the adjacent grids do not flow, thereby obtaining the grid blocks contained in the water flooding wave and area of each layer.
5. The method for calculating the water flooding reserve control degree of the old oil field according to claim 1, wherein the method for calculating the water flooding swept volume and reserve of each layer according to the water flooding swept area of each layer comprises the following steps:
and calculating the water flooding wave and the reserve of each grid in the region according to the pore volume and the oil saturation of the grids, wherein the formula is as follows:
and (3) calculating the total reserve of each layer of water flooding wave and area, wherein the formula is as follows:
6. The method for calculating the water flooding reserve control degree of the old oil field according to claim 5, wherein the water flooding reserve control degree of the block is calculated
The formula is as follows:
7. A system for calculating the control degree of the water flooding reserves of an old oil field is characterized by comprising an acquisition unit, a first calculation unit, a second calculation unit, a third calculation unit and a fourth calculation unit;
the acquisition unit is used for acquiring splitting results and attribute field data of each layer in each well in the block;
the first calculation unit is used for acquiring the pressure threshold of each layer, and calculating to obtain the non-flowing potential difference of each layer by combining the splitting result and the attribute field data;
the second calculation unit is used for calculating the potentials of all the grids of each layer when the grids reach the steady state based on the non-flowable potential difference to obtain the water drive wave reach areas of each layer;
the third calculation unit is used for calculating the water flooding waves and the reserves of each layer according to the water flooding waves and the areas of each layer;
and the fourth calculating unit is used for calculating the water drive reserve control degree of the block based on the water drive waves and the reserve.
8. The system for calculating the old oil field water flooding reserve control degree according to claim 7, wherein the first calculating unit comprises a preprocessing module, an acquisition module and a splitting module;
the preprocessing module is used for numbering each well in the block and layering each well, wherein the number of layers is m, and m is more than 1;
the acquisition module is used for acquiring attribute field data of each layer based on a layering result;
and the splitting module is used for splitting each layer of each well and sorting the data of oil yield, water yield and water injection amount of each layer of each well on the last date according to splitting results.
9. The system for calculating the control degree of the water flooding reserves of the old oil field according to claim 7, wherein the second calculation unit comprises a superposition module and a water flooding calculation module;
the superposition module is used for calculating the potential value of each layer of each grid when the grid reaches the steady state by using a potential superposition principle;
and the water drive calculation module is used for selecting one oil layer, and when the difference value of the adjacent grid potentials of the selected oil layer is smaller than the non-flowing potential difference of the selected oil layer, the oil and water between the adjacent grids do not flow, so that grid blocks contained in the water drive wave reach area of each layer are obtained.
10. The system for calculating the control degree of the water flooding reserves of the old oil field according to claim 7, wherein the fourth calculation unit comprises a grid calculation module and a total reserve calculation module;
the grid computing module is used for computing the reserves of each grid in the water flooding wave and area according to the pore volumes and the oil saturation of the grids;
and the total reserve calculation module is used for calculating the total reserve of each layer of water flooding wave and the region.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401927A (en) * | 2015-11-27 | 2016-03-16 | 中国石油天然气股份有限公司 | Method and device for determining well pattern and well spacing of oil reservoir |
| CN107038268A (en) * | 2016-10-13 | 2017-08-11 | 中国石油化工股份有限公司 | A kind of method for determining heterogeneous reservoir five-spot pattern water drive sweep efficiency |
| US20200370411A1 (en) * | 2019-05-23 | 2020-11-26 | Dagang Oil Field Company Of Cnpc | Method for calculating recovery ratio under secondary-tertiary combination development mode |
| CN115618545A (en) * | 2021-07-13 | 2023-01-17 | 大庆油田有限责任公司 | Method for accurately calculating control degree of water flooding reserves |
-
2023
- 2023-02-10 CN CN202310092033.2A patent/CN115828795B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401927A (en) * | 2015-11-27 | 2016-03-16 | 中国石油天然气股份有限公司 | Method and device for determining well pattern and well spacing of oil reservoir |
| CN107038268A (en) * | 2016-10-13 | 2017-08-11 | 中国石油化工股份有限公司 | A kind of method for determining heterogeneous reservoir five-spot pattern water drive sweep efficiency |
| US20200370411A1 (en) * | 2019-05-23 | 2020-11-26 | Dagang Oil Field Company Of Cnpc | Method for calculating recovery ratio under secondary-tertiary combination development mode |
| CN115618545A (en) * | 2021-07-13 | 2023-01-17 | 大庆油田有限责任公司 | Method for accurately calculating control degree of water flooding reserves |
Non-Patent Citations (2)
| Title |
|---|
| 缪飞飞: "水驱储量控制程度计算方法综述及新方法研究" * |
| 贾德利 等: "大数据驱动下的老油田精细注水优化方法" * |
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