CN114837633A - Intelligent layered injection-production oil reservoir excavation and submergence method and system - Google Patents
Intelligent layered injection-production oil reservoir excavation and submergence method and system Download PDFInfo
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- CN114837633A CN114837633A CN202210494773.4A CN202210494773A CN114837633A CN 114837633 A CN114837633 A CN 114837633A CN 202210494773 A CN202210494773 A CN 202210494773A CN 114837633 A CN114837633 A CN 114837633A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 200
- 238000009412 basement excavation Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 251
- 238000002347 injection Methods 0.000 claims abstract description 206
- 239000007924 injection Substances 0.000 claims abstract description 206
- 230000003068 static effect Effects 0.000 claims abstract description 50
- 238000009826 distribution Methods 0.000 claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000011161 development Methods 0.000 claims abstract description 5
- 238000000605 extraction Methods 0.000 claims description 36
- 239000003673 groundwater Substances 0.000 claims description 30
- 238000004891 communication Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 14
- 239000003129 oil well Substances 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 6
- 230000018109 developmental process Effects 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 10
- 238000011160 research Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/20—Computer models or simulations, e.g. for reservoirs under production, drill bits
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Abstract
The invention relates to the technical field of oilfield exploitation, in particular to an intelligent layered injection-production oil reservoir excavation and submergence method and system, by setting to obtain the dynamic and static data information of the geological water measured by each intelligent device arranged in each interval of the water well and the dynamic and static data information of the geological oil measured by each intelligent device arranged in each interval of the oil production well in real time, establishing a geological model and adaptively correcting the parameters of the geological model in real time through a computer system to provide the real-time change of the oil-water distribution condition of each layer, the water injection layer and the oil production layer which are positioned in the same layer are communicated, the water injection amount of the water injection well equipment and the oil production amount of the oil production well equipment which are arranged in each layer are respectively regulated and controlled in real time, the water injection amount and the oil production amount of each layer are accurately controlled, the geological model can be quickly updated and the injection and production scheme can be made, so that the yield and the efficiency are increased, and the oil field development recovery ratio is effectively improved.
Description
Technical Field
The invention relates to the technical field of oilfield exploitation, in particular to an intelligent layered injection and production oil reservoir excavation and submergence method and system.
Background
In the prior art, a four-generation layered water injection technology represented by a fixed type, a steel wire throwing and fishing type, a lower cable testing and adjusting type and a preset cable testing and adjusting type and a plurality of layered oil extraction technologies represented by a mechanical clamping layer changing technology, a pressurizing layer changing technology, a wireless layer changing technology and a cable control separate extraction technology are adopted, but the layered water injection technology and the layered oil extraction technology do not establish a corresponding relation.
In practical application, layered injection and production have some problems, such as low injection and production coupling relation degree, weak dynamic analysis quantification, delayed injection and production allocation reaction, poor real-time performance, and especially the problem of delayed injection and production allocation is increasingly prominent. The cable control layered injection and production adopts a cable to collect a large amount of data such as flow, pressure and temperature in real time, the dynamic data reflect the distribution condition of underground fluid in real time, but the injection and production scheme does not apply the real-time data in time. The occurrence conditions of the oil reservoir fluid are changed at any time, the flow and pressure data collected in real time cannot reflect the changes, the injection and production scheme needs to be adjusted in time to respond to the changes of the oil reservoir, but the injection and production scheme needs to be optimized on the geological research result, and in view of the complexity of geological research, the injection and production scheme lags behind one research period in time, wherein the research period can be 3-5 months or more than half a year, so that the injection and production process and the oil reservoir geological conditions are disjointed in certain time periods, and the problem of 'lag regulation' exists.
Disclosure of Invention
The invention aims to provide an intelligent layered injection-production oil reservoir excavation and potential system aiming at the defects and shortcomings of the prior art, a geological model is established and parameters of the geological model are adaptively corrected in real time by setting and acquiring dynamic and static data information of geological water measured by each intelligent device arranged in each interval of a water well and dynamic and static data information of geological oil measured by each intelligent device arranged in each interval of a production well in real time, real-time changed oil-water distribution conditions of each layer are provided, accurate first-hand data are provided for formulating an injection-production scheme, water injection quantity of water injection well equipment and oil production quantity of oil production well equipment arranged in each interval are respectively regulated and controlled, and water injection quantity and oil production quantity of each layer are accurately controlled, the invention is in accordance with a digital oil field technology by means of a computer network technology, the geological model and the injection-production scheme can be updated in 3-5 days or even shorter time, thoroughly overcomes the defect of once updating in about half a year in the prior art, realizes the yield and efficiency increase, and finally improves the oil field development recovery ratio.
In order to achieve the purpose, the invention adopts the technical scheme that:
an intelligent layered injection-production oil reservoir excavation potential method comprises the following steps:
acquiring the position and the layering condition of an oil well and a water well in a preset area and geological dynamic and static data information, and establishing an initial geological model;
dividing injection and production units for each layered layer according to geological data, and establishing a dynamic grid-shaped flowing framework;
splitting and layering water injection quantity of the injection and production unit according to the dynamic grid-shaped flowing framework;
acquiring geological data in real time, adaptively correcting geological model parameters, calculating oil and water distribution data in an oil reservoir, and performing circulation;
and (4) formulating an injection-production scheme according to preset requirements, and regulating and controlling the water injection amount of the water injection well equipment and the oil production amount of the oil production well equipment which are arranged in each layer section respectively.
In some embodiments, the method for acquiring the position, the layering condition and the geological dynamic and static data information of the oil-well water well in the preset area comprises the following steps: and acquiring the oil well position, the water well position and the layering condition of a preset area, and acquiring the dynamic and static data information of the geological water and the dynamic and static data information of the geological oil in each layer section.
In some embodiments, acquiring geological data in real time, adaptively correcting the geological model parameters, and calculating oil and water distribution data in the oil reservoir comprises: and acquiring dynamic and static data information of geological water transmitted by an intelligent device arranged in a water well and dynamic and static data information of geological oil transmitted by the intelligent device in an oil production well in real time, automatically matching and correcting the geological model parameters according to the data information system, and recalculating oil and water distribution data in the oil reservoir.
In some embodiments, acquiring dynamic and static data information of geological water transmitted by an intelligent device arranged in a water well and dynamic and static data information of geological oil transmitted by an intelligent device in a production well in real time comprises: acquiring dynamic and static data information of geological water measured by each intelligent device arranged in each interval of the water well and dynamic and static data information of geological oil measured by each intelligent device arranged in each interval of the oil production well in real time; the dynamic and static data information of the geological water comprises dynamic data information of flow, temperature and pressure of the geological water and static data information of the position of the interval;
and the dynamic and static data information of the geological oil comprises the dynamic data information of the flow, the temperature and the pressure of the geological oil and the static data information of the position of the interval.
In some embodiments, cycling comprises the steps of: dividing injection and production units for each layer according to geological data, and establishing a dynamic grid-shaped flowing framework; and splitting and layering water injection quantity of the injection and production unit according to the dynamic grid-shaped flowing framework, acquiring geological data in real time, adaptively correcting parameters of the geological model, and calculating oil and water distribution data in the oil reservoir.
In some embodiments, an injection-production scheme is formulated according to preset requirements, and the injection-production scheme is respectively adjusted and controlled according to the water injection amount of the water injection well equipment and the oil production amount of the oil production well equipment arranged in each interval, and the method includes: according to the requirement of a system updating period, an injection and production scheme is formulated, the liquid production capacity of the single well of the oil-water well is predicted, the liquid production capacity of the single well of the oil-water well is actually measured, and is contrastively analyzed, the injection and production scheme of each interval is determined, the opening degree of a water injection valve arranged on water injection well equipment of each interval and the opening degree of an oil production valve arranged on oil production well equipment are controlled, wherein the water injection valve and the oil production valve of each interval can be independently controlled.
An intelligent layered injection and production oil reservoir excavation and submergence system comprises a water injection well device, a production well device and a computer system for controlling the water injection well device and the production well device; the water injection well device comprises a ground water injection control device and an underground water injection control device which are communicated; the oil production well device comprises a ground oil production control device and an underground oil production control device which are communicated with each other; the cable-passing packer and the water injection instrument which are arranged at intervals underground by the water injection well device and the cable-passing packer and the oil extraction instrument which are arranged at intervals underground by the oil production well device divide a plurality of intervals of an oil deposit, a water injection layer and an oil production layer which are positioned in the same interval are communicated, the underground water injection control device controls the opening degree of the water injection valve, the underground oil production control device controls the opening degree of the oil production valve, and the computer system regulates and controls the underground water injection control device and the underground oil production control device in real time so that the water injection quantity meets the state of the maximum oil production quantity.
In some embodiments, the ground water injection control device comprises a ground water control device and a flow controller connected with the ground water control device in a control mode, and the ground water control device is connected with the computer system in a communication mode; the underground water injection control device comprises water injection controllers and the water injection valves which are connected and controlled, the water injection controllers are connected with the ground water control devices through cables, and the water injection controllers of all the sections are independently connected with the ground water control devices through cables.
In some embodiments, the surface oil production control device comprises a surface oil control device and oil production metering equipment, wherein the surface oil control device is in communication connection with the computer system; the underground oil production control device comprises an oil production controller and the oil production valve which is connected and controlled, the oil production controller is connected with the ground oil control device through a cable, and the oil production controller of each layer section is independently connected with the ground oil control device through a cable.
In some embodiments, the computer system comprises a storage, a processor, a communication module, and a program for implementing a waterflooding and oil production intelligent processing method, a program for dynamic and static combination three-dimensional reservoir modeling, which are stored in the storage; the storage is used for storing data information and the program, the communication module is used for transmitting information, and the processor is used for counting and analyzing water and oil distribution conditions, executing a water injection and oil extraction intelligent processing method program and executing a dynamic and static combined three-dimensional oil reservoir modeling program.
Advantageous effects
The invention provides an intelligent layered injection and production oil reservoir excavation and potential system, which comprises a computer system, a geological model, a water injection well device, an oil production well device, a computer network technology and a water injection and production device, wherein the dynamic and static data information of geological water measured by each intelligent device arranged in each interval of a water well and the dynamic and static data information of geological oil measured by each intelligent device arranged in each interval of a production well are acquired in real time, the geological model is established and the parameters of the geological model are adaptively corrected in real time through the computer system, the real-time change of the oil-water distribution condition of each layer is provided, accurate first-hand data are provided for formulating an injection and production scheme, the water injection amount of the water injection well device arranged in each interval and the oil production amount of the oil production well device are respectively regulated and controlled, the water injection amount and the oil production amount of each layer are accurately controlled, the invention is in accordance with the digital oil field technology by means of the computer network technology, the geological model and the injection and production scheme can be updated in 3-5 days or even shorter time, thoroughly overcomes the defect of once updating in about half a year in the prior art, realizes the yield and efficiency increase, and finally improves the oil field development recovery ratio.
Drawings
FIG. 1 is a flow chart of an intelligent layered injection-production reservoir excavation potential method provided by an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an intelligent layered injection-production reservoir excavation-submergence system provided by the embodiment of the invention;
fig. 3 is a schematic structural diagram of a computer system according to an embodiment of the present invention.
Wherein the reference numbers indicate:
a water injection well assembly 100; a ground water injection device 110; a flow controller 111; a water inlet 112; a ground water control device 120; a water injection transmission cable 130; a cable-through packer 140;
a first water injection instrument 150; a first transmission line 151; a first water outlet 152; a water injection controller 153; a water injection valve 154;
a second water injection apparatus 160; a second transmission line 161; a second water outlet 162;
a third water injection apparatus 170; the third transmission line 171; a third water outlet 172;
a ball seat 180;
a production well device 200; a surface oil recovery device 210; a metering device 211; production transmission cable 220; an oil well pump 230; a cabled packer 240;
first oil recovery instrument 250; a first line 251; a first oil inlet 252; an oil recovery controller 253; a production valve 254;
a second oil recovery instrument 260; a second line 261; a second oil inlet 262;
a ground oil control device 280; a bottom plug 290;
injecting a water layer 300; an oil production layer 400; a computer system 500; a processor 510; a storage 520; a communication module 530.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments; 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.
Referring to fig. 2 and 3, the invention provides an intelligent layered injection-production oil reservoir excavation and submergence system, which comprises a water injection well device 100 and a production well device 200, wherein the water injection well device 100 comprises a ground water injection control device 110 and an underground water injection control device which are communicated, and a sealing device (not shown in the figure) is further arranged at the joint.
The ground water injection control device 110 comprises a water injection pipeline, a water inlet 112, a flow controller 111 and a ground water control device 120 connected with the flow controller 111, wherein the ground water control device 120 is connected with the underground water injection control device through a water injection transmission cable 130 and is also in communication connection with a computer system 500.
The underground water injection control device comprises a water injection pipeline extending downwards from the ground, cable-passing packers 140 and water injection instruments are arranged underground at intervals along the water injection pipeline, the cable-passing packers 140 are divided into a plurality of sections according to predicted intervals and preset requirements, one water injection instrument is arranged between every two adjacent cable-passing packers 140, and a ball seat 180 is arranged at the end part of each water injection instrument; such as first water injection apparatus 150, second water injection apparatus 160, third water injection apparatus 170, nth water injection apparatus; the water injection instruments are all provided with a water injection controller 153 and a water injection valve 154, the water injection controller 153 is connected with the ground water control device 120 through a transmission line, the water injection controller 153 is connected with and controls the opening degree of the water injection valve 154, and a sensor is arranged in the water injection controller 153. The first water injection instrument 150 is provided with a first transmission line 151, the second water injection instrument 160 is provided with a second transmission line 161, the third water injection instrument 170 is provided with a third transmission line 171, the first transmission line 151, the second transmission line 161 and the third transmission line 171 are independently connected with the ground water control device 120 through a water injection transmission cable 130, and the computer system 500 respectively controls the water injection valves 154 of all the sections.
The water injection pipeline of the first water injection instrument 150 is provided with a first water outlet 152, the water injection pipeline of the second water injection instrument 160 is provided with a second water outlet 162, the water injection pipeline of the third water injection instrument 170 is provided with a third water outlet 172, and the water injection valve 154 of each layer section controls water injection to flow out through the water outlets and then enter the water injection layer 300, and is communicated with the oil production layer 400 arranged on the same layer.
The underground oil extraction control device and the underground water injection control device are identical in structure and are arranged correspondingly.
The oil production well device 200 comprises a ground oil production control device 210 and an underground oil production control device which are communicated; the surface oil extraction control device 210 comprises an oil extraction pipeline, a metering device 211 and a surface oil control device 280, wherein the surface oil control device 280 is connected with the underground oil extraction control device through an oil extraction transmission cable 220 and is also in communication connection with a computer system 500.
The underground oil extraction control device comprises an oil extraction pipeline extending downwards from the ground, cable-passing packers 240 and oil extraction instruments are arranged in the underground at intervals along the oil extraction pipeline, the cable-passing packers 240 are divided into a plurality of sections according to predicted intervals and preset requirements, one oil extraction instrument is arranged between every two adjacent cable-passing packers 240, and bottom plugs 290 are arranged at the end parts of the two cable-passing packers; such as first production tool 250, second production tool 260, third production tool 270, nth production tool; an oil extraction controller 253 and an oil extraction valve 254 are installed on the oil extraction instrument, the oil extraction controller 253 is connected with the ground oil control device 280 through a transmission line, the oil extraction controller 253 is connected with and controls the opening degree of the oil extraction valve 254, and a sensor is arranged in the oil extraction controller 253. The first oil production instrument 250 is provided with a first line 251, the second oil production instrument 260 is provided with a second line 261, the third oil production instrument 270 is provided with a third line 271, the first line 251, the second line 261 and the third line 271 are all independently connected with the ground oil control device 280 through oil production transmission cables 220, and the computer system 500 respectively controls the oil production valves 254 of all the intervals.
The oil production pipeline at the position of the first oil extraction instrument 250 is provided with a first oil inlet 252, the oil production pipeline at the position of the second oil extraction instrument 260 is provided with a second oil inlet 262, the oil production pipeline at the position of the third oil extraction instrument 270 is provided with a third oil inlet 272, the oil production valve 254 at each layer section controls the oil of the oil production layer 400 to flow into the oil production pipeline through the oil inlets, and as the oil production layer 400 at the same layer section is communicated with the water injection layer 300, under the control of the computer system 500, the opening degrees of the oil production valve 254 and the water injection valve 154 are reasonably controlled, so that the water injection amount meets the state of the maximum oil production amount.
The computer system 500 comprises a storage 520, a processor 510, a communication module 530, and a program for implementing a water flooding and oil recovery intelligent processing method and a program for dynamic and static combined three-dimensional reservoir modeling, which are stored in the storage 520; the memory 520 is used for storing data information and the program, the communication module 530 is used for transmitting information, and the processor 510 is used for counting, analyzing water and oil distribution conditions, executing a water injection and oil extraction intelligent processing method program and executing a dynamic and static combined three-dimensional reservoir modeling program.
Referring to fig. 1-3, the invention provides an intelligent layered injection-production oil reservoir excavation method, which adopts the technical scheme that:
an intelligent layered injection-production oil reservoir excavation potential method comprises the following steps:
s1, the computer system 500 acquires the position, the layering condition and the geological dynamic and static data information of the oil well and the water well in the preset area, wherein the geological dynamic data information comprises the dynamic data information of the flow, the temperature and the pressure of the geological oil transmitted by a sensor arranged in the oil extraction controller 253 in each layer section and the dynamic data information of the flow, the temperature and the pressure of the geological water transmitted by a sensor arranged in the water injection controller 153 in each layer section; establishing an initial geological model;
s2, dividing injection and production units for each layered layer by the processor 510 according to geological data, and establishing a dynamic grid-shaped flowing framework;
s3, the processor 510 splits and stratifies the water injection quantity of the injection and production unit according to the dynamic grid-shaped flowing framework;
s4, the processor 510 acquires geological data in real time through the communication module 530, adaptively corrects the geological model parameters, and recalculates oil and water distribution data in the oil reservoir;
s5, circularly carrying out the steps, adaptively correcting the geological model parameters through geological data information acquired in real time, and calculating oil and water distribution data in an oil reservoir to obtain updated real-time data;
and S6, formulating an updated injection-production scheme according to the actual updating period requirement of the system, and respectively regulating and controlling the water injection amount of the water injection well equipment and the oil production amount of the oil production well equipment arranged in each interval so as to achieve the optimal state of the maximum oil production amount.
Referring to fig. 1-3, the present invention provides a preferred embodiment:
an intelligent layered injection-production oil reservoir excavation potential method comprises the following steps:
s1, the computer system 500 acquires the position of the oil well and the water well in the preset area through the communication module 530, acquires dynamic and static data information of the geology divided into three intervals and geology, wherein the dynamic data information of the geology comprises the dynamic data information of the flow, the temperature and the pressure of the geological oil transmitted by a sensor arranged in the oil extraction controller 253 in each interval, and the dynamic data information of the flow, the temperature and the pressure of the geological water transmitted by a sensor arranged in the injection controller 153 in each interval, and the processor 510 executes a program for building an initial geological model by combining dynamic and static states with a three-dimensional reservoir modeling.
The program is stored in the memory and used for realizing the intelligent water injection and oil extraction processing method and the program used for dynamic and static combined three-dimensional reservoir modeling; the memory is used for storing data information and the program; the communication module is used for transmitting information; the processor is used for counting and analyzing the water and oil distribution condition, executing the programs of water injection and oil extraction intelligent processing methods and executing the programs of dynamic and static combined three-dimensional reservoir modeling.
And S2, the processor 510 executes a program to divide injection and production units for each layered layer according to geological data, and establishes a dynamic grid-shaped flow skeleton to clearly express the distribution condition of water and oil contents in a three-dimensional manner.
And S3, the processor 510 injects water to the injection and production unit in a split and layered mode according to the established dynamic grid-shaped flowing skeleton so as to accurately control the water injection amount.
And S4, the processor 510 executes a program, acquires geological data in real time through the communication module 530, adaptively corrects the geological model parameters, and recalculates oil and water distribution data in the oil reservoir.
And S5, circularly performing the steps, namely circularly executing the steps from S2 to S4, adaptively correcting the geological model parameters through the geological data information acquired in real time, and calculating oil and water distribution data in the oil reservoir to acquire updated real-time data.
And S6, the processor 510 makes an updated injection-production scheme according to the actual updating period requirement of the system, and regulates and controls the water injection amount of the water injection well equipment and the oil production amount of the oil production well equipment arranged in each interval respectively so as to achieve the optimal state of the maximum oil production amount.
In an example, acquiring the position, the layering condition and the geological dynamic and static data information of an oil well and a water well in a preset area, wherein the acquiring comprises the following steps: the oil well position, the water well position, the layering situation of obtaining the region of predetermineeing, and obtain dynamic, static data information and the dynamic, static data information of geological oil of geological water in every layer section, include:
for acquiring the data information of the geological water in real time, the dynamic data information of the geological water transmitted by the water injection controller 153 arranged on the water injection well device 100 in the three intervals of the water well and respectively installed on the first water injection instrument 150, the second water injection instrument 160 and the third water injection instrument 170 through the sensor is acquired in real time, and the sensor can acquire the dynamic data information of the flow, the temperature and the pressure of the geological water and the static data information of the positions of the intervals. The sensor arranged on the first water filling instrument 150 transmits information to the ground water control device 120 through the first transmission line 151, and the ground water control device 120 is transmitted to the communication module 530 of the computer system 500 through the communication device, stored in the storage 520 and processed by the processor 510; the sensor of the second water filling instrument 160 transmits information to the ground water control device 120 through the second transmission line 161, and the ground water control device 120 transmits information to the communication module 530 of the computer system 500 through the communication device, and stores the information in the storage 520 and is processed by the processor 510; the third water filling apparatus 170 transmits information to the ground water control device 120 through the third transmission line 171, and the ground water control device 120 transmits the information to the communication module 530 of the computer system 500 through the communication device, and stores the information in the storage 520 and is processed by the processor 510.
For geological oil data information, acquiring dynamic data information of geological water transmitted by a sensor through an oil extraction controller 253 arranged on a first oil extraction instrument 250, a second oil extraction instrument 260 and a third oil extraction instrument 270 in three intervals of a geological oil production well by a production well device 200 in real time, wherein the sensor can acquire dynamic data information of flow, temperature and pressure of geological oil and static data information of the positions of the intervals. The sensor of the first oil production instrument 250 transmits information to the surface oil control device 280 through the first line 251, and the surface oil control device 280 transmits information to the communication module 530 of the computer system 500 through the communication device, and is stored in the storage 520 and processed by the processor 510; the sensor of the second oil production instrument 260 transmits information to the surface oil control device 280 through the second line 261, and the surface oil control device 280 transmits information to the communication module 530 of the computer system 500 through the communication device, and is stored in the storage 520 and processed by the processor 510; the third oil recovery instrument 270 transmits information to the surface oil control device 280 through the third line 271, and the surface oil control device 280 transmits information to the communication module 530 of the computer system 500 through the communication device, and stores the information in the storage 520 and is processed by the processor 510.
The processor 510 acquires geological data in real time, adaptively corrects the geological model parameters, calculates oil and water distribution data in the oil reservoir, and performs the process in a recycling manner, namely, the following steps are performed in a recycling manner: the processor 510 determines the number of the layers according to oil and water distribution data in the oil reservoir, divides injection and production units for each layer, and establishes a dynamic grid-shaped flow framework to clearly express the distribution position and the distribution quantity of oil and water through a three-dimensional structure; and splitting and layering water injection quantity of the injection and production unit according to the dynamic grid-shaped flowing framework, adaptively correcting the geological model parameters by acquiring geological data in real time, and calculating oil and water distribution data in the oil reservoir to acquire the most compact oil and water distribution data.
According to the requirement of the computer system 500 for updating the data cycle, an injection and production scheme is formulated, the liquid production capacity of the oil-water well single well is predicted, the liquid production capacity of the oil-water well single well is measured, the injection and production scheme of each interval is determined through comparative analysis, the opening degree of a water injection valve arranged on the water injection well device 100 of each interval is controlled, and the opening degree of a oil production valve arranged on the oil production well device 200 of each interval is controlled.
The computer system 500 controls the flow controller 111 through the ground water control device 120, the flow controller 111 controls the water inflow of the water inlet 112, and simultaneously transmits an instruction through the ground water control device 120 via the water injection transmission cable 130, that is, the instruction is transmitted to the water injection controller 153 through the first transmission line 151, the water injection controller 153 controls the opening degree of the water injection valve 154, and the injected water flows out from the first water outlet 152 to the first water injection layer 300; the instruction is transmitted to the water injection controller 153 through the second transmission line 161, the water injection controller 153 controls the opening degree of the water injection valve 154, and water is injected to flow out of the second water injection layer 300 from the second water outlet 162; the instruction is transmitted to the water injection controller 153 through the third transmission line 171, the water injection controller 153 controls the opening degree of the water injection valve 154, and the water is injected to flow out from the third water outlet 172 to the third water injection layer 300.
Similarly, the computer system 500 is connected to the metering device 211, the computer system 500 controls the oil pump 230 through the ground oil control device 280, and simultaneously transmits an instruction through the ground oil control device 280 via the oil production transmission cable 220, that is, the instruction is transmitted to the oil production controller 253 through the first line 251, the oil production controller 253 controls the opening degree of the oil production valve 254, and oil flows into the oil pipeline from the first oil production layer 400 through the first oil inlet 252; transmitting the command to the oil recovery controller 253 through the second line 261, the oil recovery controller 253 controlling the opening degree of the oil recovery valve 254, and the oil flows from the second oil recovery layer 400 to the oil delivery pipe through the second oil inlet 262; the third line 271 transmits a command to the production controller 253, and the production controller 253 controls the opening degree of the production valve 254, so that oil flows from the third production zone 400 to the oil delivery pipe through the third oil inlet 272.
That is, the computer system 500 can independently control the opening of the water injection valve 154 and the oil recovery valve 254 of a certain stage.
And the first water injection layer 300 is communicated with the first oil production layer 400 at the same layer, the second water injection layer 300 is communicated with the second oil production layer 400 at the same layer, the third water injection layer 300 is communicated with the third oil production layer 400 at the same layer, and under the control of the computer system 500, the opening degree of the water injection valve 154 of each layer is matched with the opening degree of the oil production valve 254 so as to obtain the maximum oil recovery amount.
It should be noted that, in the prior art, only about half a year, the injection-production scheme can be updated, but the invention can accurately control the water injection amount of each layer to collect the maximum oil amount, and can update once in 3-5 days by using the computer system 500, the water injection controller 153, the water injection valve 154, the oil production controller 253 and the oil production valve 254 which are installed on each layer, and the water injection valve 154 and the oil production valve 254 of each layer can be independently controlled, so that the updating speed is greatly improved, the real-time change geological condition is fitted, and the yield and efficiency increase are realized.
Claims (10)
1. An intelligent layered injection-production oil reservoir excavation potential method is characterized by comprising the following steps:
acquiring the position and the layering condition of an oil well and a water well in a preset area and geological dynamic and static data information, and establishing an initial geological model;
dividing injection and production units for each layered layer according to geological data, and establishing a dynamic grid-shaped flowing framework;
splitting and layering water injection quantity of the injection and production unit according to the dynamic grid-shaped flowing framework;
acquiring geological data in real time, adaptively correcting geological model parameters to calculate oil and water distribution data in an oil reservoir, and performing the operation circularly;
and (4) formulating an injection-production scheme according to preset requirements, and regulating and controlling the water injection amount of the water injection well equipment and the oil production amount of the oil production well equipment which are arranged in each layer section.
2. The intelligent layered injection and production reservoir excavation method of claim 1,
acquiring the position, the layering condition and the geological dynamic and static data information of an oil well and a water well in a preset area, comprising the following steps of: and acquiring the oil well position, the water well position and the layering condition of a preset area, and acquiring the dynamic and static data information of the geological water and the dynamic and static data information of the geological oil in each layer section.
3. The intelligent layered injection and production reservoir excavation method of claim 1,
acquiring geological data in real time, adaptively correcting the geological model parameters, and calculating oil and water distribution data in an oil reservoir, wherein the method comprises the following steps of: and acquiring dynamic and static data information of geological water transmitted by an intelligent device arranged in a water well and dynamic and static data information of geological oil transmitted by the intelligent device in an oil production well in real time, automatically matching and correcting the geological model parameters according to the data information system, and recalculating oil and water distribution data in the oil reservoir.
4. The intelligent layered injection and production reservoir excavation method of claim 3,
acquire in real time that the developments of the geological water of the transmission of the intelligent device of setting in the well, static data information and the developments of the geological oil of the transmission of the intelligent device in the oil recovery well, static data information, include: acquiring dynamic and static data information of geological water measured by each intelligent device arranged in each interval of the water well and dynamic and static data information of geological oil measured by each intelligent device arranged in each interval of the oil production well in real time; wherein the content of the first and second substances,
the dynamic and static data information of the geological water comprises dynamic data information of flow, temperature and pressure of the geological water and static data information of the position of the interval;
and the dynamic and static data information of the geological oil comprises the dynamic data information of the flow, the temperature and the pressure of the geological oil and the static data information of the position of the interval.
5. The intelligent layered injection and production reservoir excavation method of claim 1,
the cycle comprises the following steps: dividing injection and production units for each layer according to geological data, and establishing a dynamic grid-shaped flow framework; and (3) according to the split and layered water injection quantity of the dynamic grid-shaped flowing framework to the injection and production unit, acquiring geological data in real time, adaptively correcting the geological model parameters, and calculating oil and water distribution data in the oil reservoir.
6. The intelligent layered injection-production oil reservoir excavation potential method according to any one of claims 1 to 5, characterized in that an injection-production scheme is formulated according to preset requirements, and the regulation and control are respectively performed on the water injection amount of water injection well equipment and the oil production amount of oil production well equipment arranged in each interval, and the method comprises the following steps: according to the requirement of a system updating period, an injection and production scheme is formulated, the liquid production capacity of the single well of the oil-water well is predicted, the liquid production capacity of the single well of the oil-water well is actually measured, and is contrastively analyzed, the injection and production scheme of each interval is determined, the opening degree of a water injection valve arranged on water injection well equipment of each interval and the opening degree of an oil production valve arranged on oil production well equipment are controlled, wherein the water injection valve and the oil production valve of each interval can be independently controlled.
7. An intelligent layered injection-production oil reservoir excavation-submergence system comprises a water injection well device and an oil production well device, and is characterized in that the water injection well device comprises a ground water injection control device and an underground water injection control device which are communicated; the oil production well device comprises a ground oil production control device and an underground oil production control device which are communicated, and further comprises a computer system for controlling the water injection well device and the oil production well device; the water injection well device is characterized in that the cable-passing packers and the water injection instruments which are arranged at intervals underground of the water injection well device, and the cable-passing packers and the oil extraction instruments which are arranged at intervals underground of the oil production well device divide a plurality of intervals of an oil reservoir, a water injection layer and an oil production layer which are positioned in the same interval are communicated, the underground water injection control device controls the opening degree of a water injection valve, the underground oil production control device controls the opening degree of an oil production valve, and the computer system regulates and controls the underground water injection control device and the underground oil production control device in real time so that the water injection amount meets the maximum oil production state.
8. The system for excavating and submerging an intelligent layered injection and production reservoir as claimed in claim 7, wherein the ground water injection control device comprises a ground water control device and a flow controller connected with the ground water control device in a control mode, and the ground water control device is connected with the computer system in a communication mode; the underground water injection control device comprises water injection controllers and the water injection valves which are connected and controlled, the water injection controllers are connected with the ground water control devices through cables, and the water injection controllers of all the sections are independently connected with the ground water control devices through cables.
9. The system of claim 7, wherein the surface oil production control device comprises a surface oil control device and a measuring device for oil production amount, and the surface oil control device is in communication connection with the computer system; the underground oil production control device comprises an oil production controller and the oil production valve which is connected and controlled, the oil production controller is connected with the ground oil control device through a cable, and the oil production controller of each layer section is independently connected with the ground oil control device through a cable.
10. The intelligent layered injection and production reservoir excavation and potential system of claim 7, wherein the computer system comprises a storage, a processor, a communication module, a control module, and a program for implementing an intelligent water injection and oil production processing method and a program for modeling a dynamic and static combined three-dimensional reservoir, which are stored in the storage; the memory is used for storing data information and the program; the communication module is used for transmitting information; the processor is used for counting and analyzing the water and oil distribution condition, executing a program of an intelligent water injection and oil extraction processing method and executing a program of dynamic and static combined three-dimensional reservoir modeling.
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