CN108661626B - High-temperature high-pressure well wall water invasion simulation experiment device - Google Patents
High-temperature high-pressure well wall water invasion simulation experiment device Download PDFInfo
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- CN108661626B CN108661626B CN201810868677.5A CN201810868677A CN108661626B CN 108661626 B CN108661626 B CN 108661626B CN 201810868677 A CN201810868677 A CN 201810868677A CN 108661626 B CN108661626 B CN 108661626B
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- 238000004088 simulation Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 230000009545 invasion Effects 0.000 title claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 70
- 239000011435 rock Substances 0.000 claims abstract description 67
- 238000002347 injection Methods 0.000 claims abstract description 60
- 239000007924 injection Substances 0.000 claims abstract description 60
- 239000012530 fluid Substances 0.000 claims abstract description 54
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
- 239000000523 sample Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims description 53
- 230000006835 compression Effects 0.000 claims description 15
- 238000007906 compression Methods 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Abstract
The invention discloses a well wall water invasion simulation experiment device under high temperature and high pressure, which comprises a stratum simulation system, a simulated drilling fluid circulation flow system and a rock core confining pressure control system, wherein the stratum simulation system comprises a high temperature and high pressure reaction kettle and an artificial simulated rock core, the simulated drilling fluid circulation flow system comprises a simulated well bore, a circulating power pump and a fluid volume meter, and the simulated well bore is respectively communicated with the circulating power pump and the fluid volume meter; the rock core confining pressure control system comprises a high-pressure nitrogen cylinder and a high-pressure gas injection valve group, wherein the high-pressure nitrogen cylinder is connected with the high-pressure gas injection valve group through a pipeline, a gas pressure regulating valve is arranged between the high-pressure nitrogen cylinder and the high-pressure gas injection valve group, and the high-pressure gas injection valve group is communicated with the artificial simulated rock core; the artificial simulated rock core is provided with a probe and a heating resistance plate, the heating resistance plate is electrically connected with a temperature control device, and the data acquisition device is respectively electrically connected with a hydraulic gauge, a barometer, the temperature control device and a pressure gauge through conductive wires.
Description
Technical Field
The invention belongs to the technical field of underbalanced drilling, and particularly relates to a well wall water invasion simulation experiment device under high temperature and high pressure.
Background
In the development process of the underbalanced drilling technology, the problem of well wall stability is always a great difficulty, and in practical working conditions, once drilling fluid invades a shale reservoir, water saturation near a well shaft is gradually increased, so that the rock strength of a near-well-wall zone is reduced, and the well wall is collapsed or reduced. Through the investigation of some prior documents and patents, the control factors of liquid phase invasion into stratum in the drilling process are mainly three kinds of pressure difference between the well bore and the stratum, capillary force and chemical potential difference.
Aiming at the problem of stability of the well wall in the shale reservoir drilling process, related documents or patents are subjected to related research: high-pressure gas is injected around the rock core to simulate a real stratum high-pressure environment, the right end face of the rock core is directly exposed to a simulated shaft, the high-pressure gas is injected from the left end face of the rock core, and the strength of countercurrent self-priming effect is indirectly researched by detecting the change of the gas flow in the simulated shaft. The control factors for generating countercurrent self-priming in the research method comprise three types of under-pressure difference, capillary force and chemical potential, and the three types of control factors exist simultaneously in the experimental process, so that the magnitude of countercurrent self-priming strength under the independent or dual actions of various control factors is not clearly described, and in addition, the high-temperature condition in a real stratum cannot be simulated in the experimental process.
Disclosure of Invention
The invention aims to solve the problems and provides the well wall water invasion simulation experiment device which has a simple structure and is convenient to use and capable of closely simulating the underground real drilling condition at high temperature and high pressure.
In order to solve the technical problems, the technical scheme of the invention is as follows: the well wall water invasion simulation experiment device comprises a stratum simulation system, a simulated drilling fluid circulating flow system and a rock core confining pressure control system, wherein the stratum simulation system comprises a high-temperature high-pressure reaction kettle and an artificial simulated rock core, the artificial simulated rock core is positioned in the high-temperature high-pressure reaction kettle, and a rubber sealing sleeve is arranged between the inner wall of the high-temperature high-pressure reaction kettle and the artificial simulated rock core; the simulated drilling fluid circulation flow system comprises a simulated shaft, a circulation power pump and a fluid volume meter, wherein the bottom of the simulated shaft is communicated with the circulation power pump through a pipeline, the top of the simulated shaft is communicated with the fluid volume meter through a pipeline, the fluid volume meter is communicated with the circulation power pump through a pipeline, and a hydraulic meter is further arranged between the upper part of the simulated shaft and the fluid volume meter; the upper part of the fluid volume meter is connected with a liquid injection port through a second one-way valve, the upper end of the liquid injection port is connected with a liquid compression pump through a pipeline, the liquid compression pump is connected with a liquid storage tank through a pipeline, the rock core confining pressure control system comprises a high-pressure nitrogen cylinder and a high-pressure gas injection valve group, the high-pressure nitrogen cylinder is connected with the high-pressure gas injection valve group through a pipeline, a gas pressure regulating valve is arranged between the high-pressure nitrogen cylinder and the high-pressure gas injection valve group, and the high-pressure gas injection valve group is communicated with an artificial simulated rock core; a barometer is arranged between the high-pressure gas injection valve group and the gas pressure regulating valve; the artificial simulated rock core is provided with a probe and a heating resistance plate, the probe is positioned outside the artificial simulated rock core and is connected with the liquid storage tank, a pressure gauge is arranged between the artificial simulated rock core and the liquid storage tank, and the heating resistance plate is electrically connected with the temperature control device; the data acquisition device is respectively and electrically connected with the hydraulic gauge, the barometer, the temperature control device and the pressure gauge through conductive wires, and can acquire and analyze the data of the hydraulic gauge, the barometer, the temperature control device and the pressure gauge.
Preferably, the high-pressure gas injection valve group comprises a first high-pressure gas injection valve group and a second high-pressure gas injection valve group which are identical in structure, the first high-pressure gas injection valve group comprises three high-pressure gas injection valves which are identical in structure, one end of each high-pressure gas injection valve is positioned in the artificial simulated rock core, and the other end of each high-pressure gas injection valve is positioned outside the high-temperature high-pressure reaction kettle and connected with the gas pressure regulating valve after being connected in parallel.
Preferably, the barometer is located between the first high pressure gas injection valve set and the gas pressure regulating valve.
Preferably, a first one-way valve is arranged between the simulated well bore and the circulating power pump.
Preferably, a third one-way valve is further arranged between the liquid injection port and the liquid compression pump.
Preferably, a gate valve is mounted at the bottom of the fluid volume meter.
Preferably, the artificial simulated rock core is of a cylindrical structure, the diameter of the artificial simulated rock core is 5cm, and the height of the artificial simulated rock core is 10cm.
Preferably, the pressure inside the artificial simulated core is 1.5MPa.
Preferably, the temperature inside the high temperature and high pressure reaction vessel is 120 ℃.
The beneficial effects of the invention are as follows:
1. according to the high-temperature high-pressure well wall water invasion simulation experiment device provided by the invention, the upper end surface and the lower end surface of the left side of the high-temperature high-pressure reaction kettle are drilled to form the simulation well bore which is directly contacted with the left end surface of the simulation rock core, and the high-pressure fluid circularly flows in the simulation well bore to be more similar to the underground real drilling condition.
2. In addition, the bottom end of the high-precision fluid volume meter is provided with a liquid outlet, so that the fluid in the fluid circulation flow channel is convenient to replace, and the purpose of controlling the chemical potential difference of the fluid in the simulated well bore and the artificial simulated rock core is realized.
3. The probe is arranged on the right end face of the artificial simulated rock core, a salt bridge is formed through the conductor, the pressure gauge and the liquid storage tank containing the same ion concentration as the fluid in the artificial simulated rock core, when water invades the right end face of the rock core, the pointer of the pressure gauge changes, and the experiment is terminated at the moment.
Drawings
FIG. 1 is a schematic structural diagram of a well wall water invasion simulation experiment device under high temperature and high pressure.
Reference numerals illustrate: 1. a high-temperature high-pressure reaction kettle; 2. artificial simulated cores; 3. simulating a wellbore; 4. a rubber sealing sleeve; 5. a high pressure gas injection valve; 6. a first one-way valve; 7. a circulating power pump; 8. a gate valve; 9. a fluid volume meter; 10. a second one-way valve; 11. a liquid injection port; 12. a third one-way valve; 13. a liquid compression pump; 14. a liquid storage tank; 15. a hydraulic gauge; 16. an air pressure gauge; 17. a temperature control device; 18. a probe; 19. a pressure gauge; 20. a gas pressure regulating valve; 21. a liquid storage tank; 22. a high pressure nitrogen cylinder; 23. a data acquisition device; 24. a first high pressure gas injection valve block; 25. the second high-pressure gas is injected into the valve group; 26. the resistive plate is heated.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific examples:
as shown in fig. 1, the high-temperature high-pressure well wall water invasion simulation experiment device provided by the invention comprises a stratum simulation system, a simulated drilling fluid circulating flow system and a rock core confining pressure control system, wherein the stratum simulation system comprises a high-temperature high-pressure reaction kettle 1 and an artificial simulated rock core 2, the artificial simulated rock core 2 is positioned in the high-temperature high-pressure reaction kettle 1, a rubber sealing sleeve 4 is arranged between the inner wall of the high-temperature high-pressure reaction kettle 1 and the artificial simulated rock core 2, and the rubber sealing sleeve 4 can achieve a good sealing environment for the artificial simulated rock core 2. The simulated drilling fluid circulation flow system comprises a simulated shaft 3, a circulation power pump 7 and a fluid volume meter 9, wherein the bottom of the simulated shaft 3 is communicated with the circulation power pump 7 through a pipeline, the top of the simulated shaft 3 is communicated with the fluid volume meter 9 through a pipeline, the fluid volume meter 9 is communicated with the circulation power pump 7 through a pipeline, and a hydraulic meter 15 is further installed between the upper part of the simulated shaft 3 and the fluid volume meter 9. The upper part of the fluid volume meter 9 is connected with a liquid injection port 11 through a second one-way valve 10, the upper end of the liquid injection port 11 is connected with a liquid compression pump 13 through a pipeline, the liquid compression pump 13 is connected with a liquid storage tank 14 through a pipeline, the rock core confining pressure control system comprises a high-pressure nitrogen cylinder 22 and a high-pressure gas injection valve group, the high-pressure nitrogen cylinder 22 is connected with the high-pressure gas injection valve group through a pipeline, a gas pressure regulating valve 20 is arranged between the high-pressure nitrogen cylinder 22 and the high-pressure gas injection valve group, and the high-pressure gas injection valve group is communicated with the artificial simulated rock core 2; a barometer 16 is also arranged between the high-pressure gas injection valve group and the gas pressure regulating valve 20; the artificial simulated rock core 2 is provided with a probe 18 and a heating resistance plate 26, the probe 18 is positioned outside the artificial simulated rock core 2 and is connected with a liquid storage tank 21, a pressure gauge 19 is arranged between the artificial simulated rock core 2 and the liquid storage tank 21, the heating resistance plate 26 is electrically connected with a temperature control device 17, and a solution with the same ion concentration as the saturated rock core liquid is filled in the liquid storage tank 21. The data acquisition device 23 is respectively and electrically connected with the hydraulic pressure gauge 15, the air pressure gauge 16, the temperature control device 17 and the pressure gauge 19 through conductive wires, and the data acquisition device 23 can acquire and analyze the data of the hydraulic pressure gauge 15, the air pressure gauge 16, the temperature control device 17 and the pressure gauge 19.
A first one-way valve 6 is arranged between the simulated well bore 3 and the circulating power pump 7, and the simulated well bore 3, the first one-way valve 6, the circulating power pump 7, the fluid volume meter 9 and the hydraulic gauge 15 and connected pipelines form a fluid circulating flow channel, and in fig. 1, arrows represent the flow direction of fluid in the pipelines.
The data acquisition device 23 monitors the pressure and temperature in the formation simulation system and the fluid circulation flow path in real time through electrically connected equipment. The probes 18, the pressure gauge 19 and the liquid storage tank 21 mounted on the artificial simulated rock core 2 form a salt bridge.
A gate valve 8 is mounted at the bottom of the fluid volume meter 9, and when the gate valve 8 is opened, the liquid in the fluid volume meter 9 is discharged from the fluid volume meter 9 through the gate valve 8.
A third one-way valve 12 is further arranged between the liquid injection port 11 and the liquid compression pump 13, and the second one-way valve 10 and the third one-way valve 12 can enable liquid in the liquid storage tank 14 to enter the liquid injection port 11 through the third one-way valve 12 under the action of the liquid compression pump 13 and enter the fluid volume meter 9 through the second one-way valve 10 without backflow.
The high-pressure gas injection valve group comprises a first high-pressure gas injection valve group 24 and a second high-pressure gas injection valve group 25 which are identical in structure, the first high-pressure gas injection valve group 24 comprises three high-pressure gas injection valves 5 which are identical in structure, one end of each high-pressure gas injection valve 5 is positioned inside the artificial simulated rock core 2, and the other end of each high-pressure gas injection valve 5 is positioned outside the high-temperature high-pressure reaction kettle 1 and connected with the gas pressure regulating valve 20 after being connected in parallel. The barometer 16 is located between the first high pressure gas injection valve set 24 and the gas pressure regulating valve 20.
The artificial simulated rock core 2 is of a cylindrical structure, the diameter of the artificial simulated rock core 2 is 5cm, and the height of the artificial simulated rock core 2 is 10cm. The pressure in the artificial simulated rock core 2 is 1.5MPa, the temperature in the high-temperature high-pressure reaction kettle 1 is 120 ℃, and the pressure in the artificial simulated rock core 2 in the actual use process can be correspondingly regulated according to the actual use requirement, so that the requirement of an experiment can be met, and the optimal experimental effect can be achieved.
After the high-pressure nitrogen in the high-pressure nitrogen cylinder 22 passes through the gas pressure regulating valve 20, the high-pressure nitrogen is respectively introduced into the first high-temperature high-pressure gas injection valve bank 24 and the second high-pressure gas injection valve bank 25 through pipelines, and finally is injected into the artificial simulated rock core 2 through the high-pressure gas injection valve 5.
In this embodiment, the pipes used to connect the components are all high pressure resistant pipe devices mature in the prior art, and the remaining devices are all mature technical devices.
To facilitate an understanding of the principles of operation of the present invention, the experimental procedure of the present invention will be described in one pass:
the first step: the artificial simulated rock core 2 is fully soaked in 5% of Kcl solution to be fully saturated, then the saturated artificial simulated rock core 2 is placed in a high-temperature high-pressure reaction kettle 1, the temperature in the high-temperature high-pressure reaction kettle 1 is regulated to 120 ℃ by a temperature control device 17, and the high-temperature environment in a real stratum is simulated, wherein the Kcl is the existing potassium chloride solution.
And a second step of: the gas pressure regulating valve 20 is opened, and high-pressure gas is injected into the artificial simulated rock core 2 with the preset saturation concentration through the high-pressure gas injection valve 5 by the high-pressure nitrogen bottle 22, so that the pressure in the artificial simulated rock core 2 is maintained to be 1.5MPa.
And a third step of: and (3) researching a water invasion rule under the single action of capillary force: the third check valve 12, the second check valve 10 and the first check valve 6 are opened, a Kcl solution with the concentration of 5% is injected into the circulating flow channel through the liquid compression pump 13, when the liquid pressure in the fluid circulating channel reaches 1.5Mpa, the second check valve 10 is closed, then the circulating power pump 7 is started to enable the fluid to start flowing in the fluid circulating channel, the liquid reduction (namely water invasion) under different time is recorded through the high-precision fluid volume meter 9, after a certain time, the artificial simulated rock core 2 is taken out and cut, and the depth of the fluid invaded into the artificial simulated rock core 2 is observed.
Fourth step: and (3) researching a water invasion rule under the double actions of capillary force and chemical potential: the gate valve 8 was opened, the experimental fluid in the fluid volume meter 9 in the third step was discharged, the gate valve 8 and the circulation power pump 7 were closed, then the second check valve 10 was opened, a Kcl solution having a concentration of 7% (concentration of more than 5%) was injected into the circulation flow path through the liquid compression pump 13, and then the procedure was the same as that in the third step.
Fifth step: and (3) researching a water invasion rule under double functions of capillary force and pressure difference: the gate valve 8 is opened, the experimental fluid in the fluid volume meter 9 in the third step is discharged, the gate valve 8 and the circulation power pump 7 are closed, then the second one-way valve 10 is opened, the Kcl solution with the concentration of 5% is injected into the circulation flow channel through the liquid compression pump 13, the liquid pressure in the circulation channel is close to 1.5Mpa (when the liquid pressure is greater than 1.5Mpa, the unbalanced drilling condition is simulated, and when the liquid pressure is less than 1.5 Mpa), the unbalanced drilling condition is simulated, and then the operation steps are the same as those in the third step.
Sixth step: and (3) researching water invasion rules under triple actions of pressure difference, capillary force and chemical potential: the gate valve 8 is opened, the experimental fluid in the fluid volume meter 9 in the third step is discharged, the gate valve 8 and the circulation power pump 7 are closed, then the second one-way valve 10 is opened, the Kcl solution with the concentration slightly higher than 5% is injected into the circulation flow channel through the liquid compression pump 13, the liquid pressure in the circulation channel is controlled to be close to 1.5Mpa, and the following operation steps are the same as those in the third step.
Those of ordinary skill in the art will recognize that the embodiments described herein are for the purpose of aiding the reader in understanding the principles of the present invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (9)
1. A simulation experiment device for water invasion of a well wall under high temperature and high pressure is characterized in that: the system comprises a stratum simulation system, a simulated drilling fluid circulating flow system and a rock core confining pressure control system, wherein the stratum simulation system comprises a high-temperature high-pressure reaction kettle (1) and an artificial simulated rock core (2), the artificial simulated rock core (2) is positioned inside the high-temperature high-pressure reaction kettle (1), and a rubber sealing sleeve (4) is arranged between the inner wall of the high-temperature high-pressure reaction kettle (1) and the artificial simulated rock core (2); the simulated drilling fluid circulation flow system comprises a simulated shaft (3), a circulation power pump (7) and a fluid volume meter (9), wherein the bottom of the simulated shaft (3) is communicated with the circulation power pump (7) through a pipeline, the top of the simulated shaft (3) is communicated with the fluid volume meter (9) through a pipeline, the fluid volume meter (9) is communicated with the circulation power pump (7) through a pipeline, and a hydraulic meter (15) is further arranged between the upper part of the simulated shaft (3) and the fluid volume meter (9); the upper part of the fluid volume meter (9) is connected with a liquid injection port (11) through a second one-way valve (10), the upper end of the liquid injection port (11) is connected with a liquid compression pump (13) through a pipeline, the liquid compression pump (13) is connected with a liquid storage tank (14) through a pipeline, the rock core confining pressure control system comprises a high-pressure nitrogen cylinder (22) and a high-pressure gas injection valve group, the high-pressure nitrogen cylinder (22) is connected with the high-pressure gas injection valve group through a pipeline, a gas pressure regulating valve (20) is arranged between the high-pressure nitrogen cylinder (22) and the high-pressure gas injection valve group, and the high-pressure gas injection valve group is communicated with the artificial rock core (2); a barometer (16) is arranged between the high-pressure gas injection valve group and the gas pressure regulating valve (20); the artificial simulated rock core (2) is provided with a probe (18) and a heating resistance plate (26), the probe (18) is positioned outside the artificial simulated rock core (2) and is connected with a liquid storage tank (21), a pressure gauge (19) is arranged between the artificial simulated rock core (2) and the liquid storage tank (21), the heating resistance plate (26) is electrically connected with a temperature control device (17), and a solution with the same ion concentration as the saturated rock core liquid is arranged inside the liquid storage tank (21); the data acquisition device (23) is respectively connected with the hydraulic gauge (15), the barometer (16), the temperature control device (17) and the pressure gauge (19) through conductive wires, and the data acquisition device (23) can acquire and analyze the data of the hydraulic gauge (15), the barometer (16), the temperature control device (17) and the pressure gauge (19).
2. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: the high-pressure gas injection valve group comprises a first high-pressure gas injection valve group (24) and a second high-pressure gas injection valve group (25) which are identical in structure, the first high-pressure gas injection valve group (24) comprises three high-pressure gas injection valves (5) which are identical in structure, one end of each high-pressure gas injection valve (5) is located inside the artificial simulated rock core (2), and the other end of each high-pressure gas injection valve (5) is located outside the high-temperature high-pressure reaction kettle (1) and connected with the gas pressure regulating valve (20) after being connected in parallel.
3. The high-temperature high-pressure well wall water invasion simulation experiment device according to claim 2, wherein the device is characterized in that: the barometer (16) is located between the first high pressure gas injection valve block (24) and the gas pressure regulating valve (20).
4. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: a first one-way valve (6) is arranged between the simulated shaft (3) and the circulating power pump (7).
5. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: a third one-way valve (12) is arranged between the liquid injection port (11) and the liquid compression pump (13).
6. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: a gate valve (8) is arranged at the bottom of the fluid volume meter (9).
7. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: the artificial simulated rock core (2) is of a cylindrical structure, the diameter of the artificial simulated rock core (2) is 5cm, and the height of the artificial simulated rock core is 10cm.
8. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: the pressure inside the artificial simulated rock core (2) is 1.5MPa.
9. The simulation experiment device for water invasion of a well wall under high temperature and high pressure according to claim 1, wherein the simulation experiment device is characterized in that: the temperature inside the high-temperature high-pressure reaction kettle (1) is 120 ℃.
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| CN109403963B (en) * | 2018-12-05 | 2024-02-06 | 西南石油大学 | Device for measuring collapse pressure of well wall after water invasion by simulating seepage field change |
| CN110146424B (en) * | 2019-05-08 | 2021-02-02 | 中国石油大学(北京) | Device and method for simulating stratum respiration effect |
| CN111075390B (en) * | 2020-01-15 | 2021-11-05 | 东北石油大学 | Visual experimental device and experimental method based on adherent drilling well sealing effect evaluation |
| CN113464108B (en) * | 2021-08-11 | 2023-06-20 | 延安大学 | Physical model experimental method for water flooding failure type water invasion development |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701520A (en) * | 2009-12-04 | 2010-05-05 | 中国石油大学(华东) | Simulation experiment device for migrating rock cuttings with circulation of deepwater drilling fluid and stabilizing well wall |
| CN102797458A (en) * | 2012-06-07 | 2012-11-28 | 中国石油大学(北京) | Three-dimensional simulation device for edge/bottom water reservoir |
| CN203248148U (en) * | 2012-11-16 | 2013-10-23 | 中国石油化工股份有限公司 | Drilling fluid and rock interaction simulating and evaluating system |
| CN103758513A (en) * | 2014-01-10 | 2014-04-30 | 西南石油大学 | Method for evaluating simulation of full-size well wall stability |
| CN104504192A (en) * | 2014-12-18 | 2015-04-08 | 中国石油大学(华东) | Simulation method of plugging of shale pore-throats by nanoparticles |
| CN104563927A (en) * | 2014-12-03 | 2015-04-29 | 中国石油大学(华东) | Borehole wall stabilization method applicable to underbalanced drilling and experimental device |
| CN105604545A (en) * | 2015-12-17 | 2016-05-25 | 中国石油天然气股份有限公司 | Experimental device and method for simulating gas reservoir water invasion |
| CN105804738A (en) * | 2016-03-15 | 2016-07-27 | 东北石油大学 | Visualization evaluation device for stability and integrity of clay shale borehole wall |
| CN205638432U (en) * | 2016-05-18 | 2016-10-12 | 西南石油大学 | Dark measuring device is invaded to gas drilling mud stone wall of a well water |
| CN205670146U (en) * | 2016-06-14 | 2016-11-02 | 西南石油大学 | A kind of Fractured Gas Reservoir working solution damage appraisement device of simulation stratum condition |
| CN205809062U (en) * | 2016-07-13 | 2016-12-14 | 西南石油大学 | A kind of simulation bottomwater gas field water enchroachment (invasion) experimental provision |
| CN205982211U (en) * | 2016-06-13 | 2017-02-22 | 中国石油化工股份有限公司 | Experimental device for be used for testing pressure transmission between drilling fluid and rock |
| CN206074376U (en) * | 2016-09-23 | 2017-04-05 | 西南石油大学 | A kind of loss circulation material abrasion of simulation down-hole and the experimental provision of corresponding plugged zone performance change |
| CN206091976U (en) * | 2016-10-21 | 2017-04-12 | 西南石油大学 | Experimental apparatus is invaded to high pressure -break nature gas reservoir water of simulation high temperature |
| CN207194886U (en) * | 2017-09-06 | 2018-04-06 | 中国石油大学(北京) | A kind of HTHP bottom and edge water huff and puff experimental provision |
| CN107905769A (en) * | 2017-11-21 | 2018-04-13 | 中国石油天然气股份有限公司 | Side, the more well production water enchroachment (invasion) physical simulation experiment system and method for bottomwater gas field |
| CN108049863A (en) * | 2018-01-11 | 2018-05-18 | 中国海洋石油集团有限公司 | A kind of drilling fluid chemosmosis pressure difference test device and test method |
| CN108086960A (en) * | 2017-12-12 | 2018-05-29 | 大连理工大学 | A kind of water erosion method exploitation of gas hydrates experimental simulation method and apparatus |
| CN208885268U (en) * | 2018-08-02 | 2019-05-21 | 西南石油大学 | Borehole wall water enchroachment (invasion) imitative experimental appliance under a kind of high temperature and pressure |
-
2018
- 2018-08-02 CN CN201810868677.5A patent/CN108661626B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101701520A (en) * | 2009-12-04 | 2010-05-05 | 中国石油大学(华东) | Simulation experiment device for migrating rock cuttings with circulation of deepwater drilling fluid and stabilizing well wall |
| CN102797458A (en) * | 2012-06-07 | 2012-11-28 | 中国石油大学(北京) | Three-dimensional simulation device for edge/bottom water reservoir |
| CN203248148U (en) * | 2012-11-16 | 2013-10-23 | 中国石油化工股份有限公司 | Drilling fluid and rock interaction simulating and evaluating system |
| CN103758513A (en) * | 2014-01-10 | 2014-04-30 | 西南石油大学 | Method for evaluating simulation of full-size well wall stability |
| CN104563927A (en) * | 2014-12-03 | 2015-04-29 | 中国石油大学(华东) | Borehole wall stabilization method applicable to underbalanced drilling and experimental device |
| CN104504192A (en) * | 2014-12-18 | 2015-04-08 | 中国石油大学(华东) | Simulation method of plugging of shale pore-throats by nanoparticles |
| CN105604545A (en) * | 2015-12-17 | 2016-05-25 | 中国石油天然气股份有限公司 | Experimental device and method for simulating gas reservoir water invasion |
| CN105804738A (en) * | 2016-03-15 | 2016-07-27 | 东北石油大学 | Visualization evaluation device for stability and integrity of clay shale borehole wall |
| CN205638432U (en) * | 2016-05-18 | 2016-10-12 | 西南石油大学 | Dark measuring device is invaded to gas drilling mud stone wall of a well water |
| CN205982211U (en) * | 2016-06-13 | 2017-02-22 | 中国石油化工股份有限公司 | Experimental device for be used for testing pressure transmission between drilling fluid and rock |
| CN205670146U (en) * | 2016-06-14 | 2016-11-02 | 西南石油大学 | A kind of Fractured Gas Reservoir working solution damage appraisement device of simulation stratum condition |
| CN205809062U (en) * | 2016-07-13 | 2016-12-14 | 西南石油大学 | A kind of simulation bottomwater gas field water enchroachment (invasion) experimental provision |
| CN206074376U (en) * | 2016-09-23 | 2017-04-05 | 西南石油大学 | A kind of loss circulation material abrasion of simulation down-hole and the experimental provision of corresponding plugged zone performance change |
| CN206091976U (en) * | 2016-10-21 | 2017-04-12 | 西南石油大学 | Experimental apparatus is invaded to high pressure -break nature gas reservoir water of simulation high temperature |
| CN207194886U (en) * | 2017-09-06 | 2018-04-06 | 中国石油大学(北京) | A kind of HTHP bottom and edge water huff and puff experimental provision |
| CN107905769A (en) * | 2017-11-21 | 2018-04-13 | 中国石油天然气股份有限公司 | Side, the more well production water enchroachment (invasion) physical simulation experiment system and method for bottomwater gas field |
| CN108086960A (en) * | 2017-12-12 | 2018-05-29 | 大连理工大学 | A kind of water erosion method exploitation of gas hydrates experimental simulation method and apparatus |
| CN108049863A (en) * | 2018-01-11 | 2018-05-18 | 中国海洋石油集团有限公司 | A kind of drilling fluid chemosmosis pressure difference test device and test method |
| CN208885268U (en) * | 2018-08-02 | 2019-05-21 | 西南石油大学 | Borehole wall water enchroachment (invasion) imitative experimental appliance under a kind of high temperature and pressure |
Non-Patent Citations (3)
| Title |
|---|
| 毛管力作用下的欠平衡钻井水侵规律研究;何世明，等;《油气藏评价与开发》;第6卷(第1期);全文 * |
| 裂缝型产水气藏水侵机理研究;樊怀才;《天然气地球科学》;第23卷(第6期);全文 * |
| 裂缝性致密砂岩气藏水相毛管自吸调控;游利军;《地球科学进展》;第28卷(第1期);全文 * |
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