CN109209288B - Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent - Google Patents
Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent Download PDFInfo
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- CN109209288B CN109209288B CN201811087685.2A CN201811087685A CN109209288B CN 109209288 B CN109209288 B CN 109209288B CN 201811087685 A CN201811087685 A CN 201811087685A CN 109209288 B CN109209288 B CN 109209288B
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- 239000013043 chemical agent Substances 0.000 title claims abstract description 32
- 238000002474 experimental method Methods 0.000 title claims abstract description 16
- 230000000903 blocking effect Effects 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000004088 simulation Methods 0.000 claims abstract description 53
- 238000002347 injection Methods 0.000 claims abstract description 50
- 239000007924 injection Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 29
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000011156 evaluation Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 19
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 12
- 238000011084 recovery Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000001965 increasing effect Effects 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000002981 blocking agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
-
- 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
- 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
-
- 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
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- 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
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
Abstract
The invention discloses a chemical agent plugging and dredging performance evaluation experimental device and an experimental method. The three-dimensional simulation device of the device comprises an upper end cover, a simulation underground cavity, a simulation horizontal well and a simulation water injection well, wherein the upper end cover is covered above the simulation underground cavity, the simulation horizontal well horizontally penetrates through the simulation underground cavity, the simulation horizontal well is of a tubular structure with a cavity, a plurality of through holes through which water and oil pass through the simulation underground cavity, a simulation perforation sleeve is fixedly installed in the through holes, and the simulation water injection well is arranged at the bottom end of the simulation underground cavity. The device and the method can select the applicable chemical agent for the plugging and dredging process of the horizontal well, and improve the oil displacement efficiency.
Description
Technical Field
The invention relates to a chemical agent plugging and dredging performance evaluation experimental device and an experimental method.
Background
Through long-term water flooding development, the oil field has high comprehensive water content, strong heterogeneous degree and poor water flooding effect year by year, and unbalanced displacement caused by reservoir heterogeneity is a main factor for restricting a water flooding reservoir to further improve the recovery ratio. The high water content treatment requirement of the horizontal well is urgent, the difficulty is higher, the water plugging method in the earlier stage mainly uses general injection, the plugging agent and the oil are plugged together, and the problems of low liquid amount after plugging, short effective period, poor oil increasing and water reducing effects and the like are easily caused.
The comprehensive treatment technology of the horizontal well 'adjusting', 'blocking', 'dredging' integrated water shutoff is a study developed specially aiming at the reasons of influencing the development of the horizontal well and the problem of poor current water shutoff effect, but the comprehensive treatment technology of the horizontal well 'adjusting', 'blocking', 'dredging' integrated water shutoff in the prior art cannot intuitively evaluate the adjusting and controlling capability, blocking performance and blocking removal performance of chemical agents, and cannot simulate the horizontal wells with different permeabilities and the adjusting, blocking and dredging effects after injecting different types of chemical agents; meanwhile, the existing treatment technology can obtain a better water control effect, but the oil increasing effect is not ideal, so that the technical problem of 'water shutoff and oil increasing prevention' often occurs, and the oil displacement efficiency is low. Therefore, the experimental device and the experimental method for evaluating the plugging and dredging performance of the chemical agent provide a basis for selecting the applicable chemical agent and improving the oil displacement efficiency of the plugging and dredging process of the horizontal well.
Disclosure of Invention
In view of the above, the invention provides an experimental device for evaluating the plugging and dredging performance of a chemical agent, which can select a suitable chemical agent for a plugging and dredging process of a horizontal well and improve the oil displacement efficiency.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the chemical agent plugging performance evaluation experimental device comprises a advection pump, a middle container, a three-dimensional simulation device, a camera and a data acquisition system, wherein the advection pump, the middle container and the three-dimensional simulation device are sequentially communicated, and the camera and the data acquisition system are respectively connected with the three-dimensional simulation device; the three-dimensional simulation device comprises an upper end cover, a simulation underground cavity, a simulation horizontal well and a simulation water injection well, wherein the upper end cover is covered above the simulation underground cavity, the simulation horizontal well horizontally penetrates through the simulation underground cavity, the simulation horizontal well is of a tubular structure with a cavity, a plurality of through holes through which water and oil pass through the simulation underground cavity, a simulation perforation sleeve is fixedly installed in the through holes, and the simulation water injection well is arranged at the bottom end of the simulation underground cavity.
Wherein the simulated perforation sleeve is a perforation sleeve simulating a real horizontal well; the screen cloth is installed on the outer wall of the simulation horizontal well, and the sand blocking problem can be solved by wrapping the screen cloth.
The number of the simulated water injection wells is not particularly limited, and preferably, the number of the simulated water injection wells can be a plurality of the simulated water injection wells, and the water injection wells can be used as bottom water and also can be used as extraction ends.
Preferably, the upper end cover is fixedly connected with the simulated underground layer cavity through bolts; the simulation horizontal well is made of stainless steel pipes; the upper end cover and the simulated underground layer cavity are made of acrylic materials, the upper end cover and the cavity are formed by acrylic hot working, the device has good transparency and chemical stability, and the sealing and pressure bearing of the device are ensured by adopting a silica gel pad sealing and bolt fixing mode.
Preferably, the number of the cameras is two, and the cameras are respectively arranged on the front face and the side face of the three-dimensional simulation device; and the double cameras and the data acquisition system are adopted, so that the acquired data are more complete.
Glass sand is filled in the simulated underground cavity, glass sand with different meshes can be selected according to actual needs, horizontal wells with different permeabilities and different permeabilities can be simulated, and plugging and dredging effects after different types of chemical agents are injected can be achieved.
The experimental device further comprises a six-way valve arranged between the advection pump and the intermediate container, and the six-way valve is connected with a pressure gauge to monitor pressure change in the injection process.
The invention also provides an experimental method for evaluating the blocking and dredging performance of the chemical agent, which comprises the following steps:
(9.1) adding colored experimental water into the intermediate container to test tightness, then starting the advection pump, injecting water into the simulated underground layer cavity from the simulated horizontal well until saturation, and collecting produced liquid from the water injection well;
(9.2) injecting colored simulated oil from said simulated horizontal well into said simulated subterranean cavity until saturated, collecting produced fluid from said water injection well;
(9.3) injecting water from the water injection well, collecting produced liquid from the wellhead of the simulation horizontal well until the water content in the cavity of the simulation underground layer reaches 90%, monitoring pressure change in the injection process, and observing the flow direction of injected water through the camera and the data acquisition system;
(9.4) starting water injection from the simulated horizontal well, collecting produced liquid from the water injection well until the water content in the simulated underground cavity reaches 95%, monitoring pressure change in the injection process, and observing the flow direction of injected water through a visualization system;
(9.5) injecting three microcosmic oil-water regulation and control systems with different colors, plugging agents and plugging removal agents from the simulation horizontal well in a segmented manner, monitoring pressure change in the injection process, observing the flow direction of the chemical agents through the camera and the data acquisition system, and standing;
and (9.6) starting to inject experimental water from the water injection well, monitoring pressure change in the injection process, observing the flow direction of the injected water through the camera and the data acquisition system, collecting produced liquid from the wellhead of the simulation horizontal well, measuring the volume of the produced oil and water, calculating the water content after plugging and dredging, and comparing the plugging and dredging effects.
Wherein, the steps (9.1) and (9.2) are used for enabling the three-dimensional simulation device to simulate the underground oil layer environment; (9.3) and (9.4) are for locating a region of the formation where the water yield is high; (9.5) is the 'regulating', 'blocking', 'dredging' integrated water shutoff of the horizontal well, wherein 'regulating' is the general injection of a microcosmic oil-water regulation system, so as to achieve the purposes of reducing the injection resistance of a subsequent plugging agent and the subsequent water-around-flow oil washing; the blocking is to inject a high-strength blocking agent on the basis of 'adjusting' to realize effective blocking of the water outlet layer section; the dredging is to take the blocking remover as jet power liquid, break up and erode the residual blocking agent in the shaft and the screen pipe-well wall annulus through high-pressure jet, so as to ensure the liquid yield after blocking; the displacement is the main component, and the regulation and control capability, the plugging performance and the plugging removal performance of the chemical agent can be visually observed and quantitatively evaluated, so that the plugging adjustment and removal process of the horizontal well provides a basis for selecting the applicable chemical agent and process, and the oil displacement efficiency is improved, so that the recovery ratio of the oil is improved; and (9.6) in order to detect the plugging and dredging effects after different types of chemical agents are injected, the flow direction and injection pressure of the chemical agents are monitored, and the volumes of the oil and the water are measured, so that the plugging and dredging effects of the horizontal well are simulated.
Compared with the prior art, the experimental device and the method provided by the invention are mainly based on displacement and can intuitively observe and quantitatively evaluate the regulation and control capability, the plugging performance and the plugging removal performance of the chemical agent, so that the plugging regulation and removal process of the horizontal well provides basis for selecting applicable chemical agents and processes, and the oil displacement efficiency is improved, thereby improving the recovery ratio of oil products; the device and the method can simulate the horizontal wells with different permeabilities and different permeabilities, the plugging and dredging effects after different types of chemical agents are injected, the flow direction and the injection pressure of the chemical agents are monitored, the volumes of the oil and the water which are extracted are measured, and the plugging and dredging effects of the horizontal wells can be simulated; the device provided by the invention has the advantages of simple result, convenience in disassembly and assembly and reusability.
Drawings
FIG. 1 is a schematic structural diagram of an experimental device for evaluating the blocking and dredging performance of a chemical agent;
fig. 2 is a schematic structural diagram of the three-dimensional simulation device provided by the invention.
Detailed Description
The invention discloses a chemical agent plugging and dredging performance evaluation experimental device and an experimental method, and a person skilled in the art can refer to the content of the chemical agent plugging and dredging performance evaluation experimental device and the experimental method, and the technical parameters can be properly improved. It is expressly noted that all such similar substitutions and modifications will be apparent to those skilled in the art, and are deemed to be included herein. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those skilled in the relevant art that variations and modifications can be made in the methods and applications described herein, and in the practice and application of the techniques of this invention, without departing from the spirit or scope of the invention.
Example 1
The chemical agent plugging performance evaluation experimental device comprises a advection pump 1, an intermediate container 5, a three-dimensional simulation device 4, a camera 6 and a data acquisition system 7, wherein the advection pump 1, the intermediate container 5 and the three-dimensional simulation device 4 are sequentially communicated, and the camera 6 and the data acquisition system 7 are respectively connected with the three-dimensional simulation device 4; the three-dimensional simulation device 4 comprises an upper end cover 401, a simulated underground cavity 403, a simulated horizontal well 402 and a simulated water injection well 404, wherein the upper end cover 401 is covered above the simulated underground cavity 403, the upper end cover 401 and the simulated underground cavity are formed by acrylic hot working and are fixedly connected through bolts, glass sand is filled in the simulated underground cavity 403, the simulated horizontal well 402 horizontally crosses the simulated underground cavity, the simulated horizontal well is of a stainless steel tubular structure with a cavity, a plurality of through holes 405 for water and oil to pass through the simulated underground cavity are distributed on the side wall of the lower part of the cavity, a simulated perforation sleeve is fixedly installed in each through hole, a screen is wrapped on the outer wall of the simulated horizontal well 402, and three simulated water injection wells 404 are formed at the bottom end of the simulated underground cavity 403 at intervals; the experimental device further comprises a six-way valve 3 arranged between the advection pump 1 and the intermediate container 5, and the six-way valve 3 is connected with a pressure gauge 2 to monitor pressure change in the injection process.
Example 2
(9.1) adding colored experimental water into the intermediate container to test tightness, then starting the advection pump, injecting water into the simulated underground layer cavity from the simulated horizontal well until saturation, and collecting produced liquid from the water injection well;
(9.2) injecting colored simulated oil from said simulated horizontal well into said simulated subterranean cavity until saturated, collecting produced fluid from said water injection well;
(9.3) injecting water from the water injection well, collecting produced liquid from the wellhead of the simulation horizontal well until the water content in the cavity of the simulation underground layer reaches 90%, monitoring pressure change in the injection process, and observing the flow direction of injected water through the camera and the data acquisition system;
(9.4) starting water injection from the simulated horizontal well, collecting produced liquid from the water injection well until the water content in the simulated underground cavity reaches 95%, monitoring pressure change in the injection process, and observing the flow direction of injected water through a visualization system;
(9.5) injecting three microcosmic oil-water regulation and control systems with different colors, plugging agents and plugging removal agents from the simulation horizontal well in a segmented manner, monitoring pressure change in the injection process, observing the flow direction of the chemical agents through the camera and the data acquisition system, and standing; (9.6) starting to inject experimental water from the water injection well, monitoring pressure change in the injection process, observing the flow direction of the injected water through the camera and the data acquisition system, collecting produced liquid from the wellhead of the simulation horizontal well, measuring the volume of the produced oil and water, calculating the water content after plugging and dredging, and comparing the plugging and dredging effects; in the embodiment, the equipment of the embodiment 1 is adopted to carry out a chemical agent plugging performance evaluation experiment, compared with the evaluation experiment without 'plugging' and 'dredging', from the oil displacement effect, after the flooding agent, the plugging agent and the plugging agent are injected, the water content of the subsequent water flooding is reduced by 45.4%, the recovery ratio is improved by 14.9%, and the recovery ratio is improved by 5.1% compared with the recovery ratio of plugging measures of plugging agents with the same volume; from the aspect of liquid quantity, the liquid yield after the plugging adjustment is carried out is reduced to 3.8mL, the liquid yield after the plugging removal is increased to 7.2mL, and the flow is increased by 1.89 times, so that the shaft and the stratum near the shaft are dredged, the liquid yield is effectively recovered, and the experimental method provided by the invention provides a foundation for developing the oil extraction process suitable for industrial production.
Comparative example 1
Control experiment 1: the experimental procedure as in example 2 was identical except that plugging agent was injected from the simulated horizontal well plug alone in step (9.5); from the oil displacement effect, the water content is reduced by 29.4% and the recovery ratio is improved by 9.8% only by the experimental process of injecting the plugging agent during subsequent water flooding.
Control experiment 2: the experimental method according to example 2 is the same, except that in step (9.5), three microscopic oil-water control systems and plugging agents of different colors are injected from the simulated horizontal well in sections respectively; from the oil displacement effect, after the profile control agent-plugging agent is injected, the water content of the subsequent water flooding is reduced by 44.7%, the recovery ratio is improved by 14.1%, and the recovery ratio is improved by 4.3% compared with the recovery ratio of water plugging measures of injecting the plugging agent with the same volume.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The experimental device for evaluating the blocking and dredging performance of the chemical agent is characterized by comprising a advection pump, an intermediate container, a three-dimensional simulation device, a camera and a data acquisition system, wherein the advection pump, the intermediate container and the three-dimensional simulation device are sequentially communicated, and the camera and the data acquisition system are respectively connected with the three-dimensional simulation device; the three-dimensional simulation device comprises an upper end cover, a simulated underground cavity, a simulated horizontal well and a simulated water injection well, wherein the upper end cover covers the simulated underground cavity, the simulated horizontal well horizontally passes through the simulated underground cavity, the simulated horizontal well is of a tubular structure with a cavity, a plurality of through holes which are communicated with the simulated underground cavity and can be used for water and oil to pass through are distributed on the side wall of the lower part of the cavity, a simulated perforation sleeve is fixedly installed in the through holes, and the simulated water injection well is arranged at the bottom end of the simulated underground cavity;
the experimental device-implemented chemical agent plugging and dredging performance evaluation experimental method specifically comprises the following steps:
(9.1) adding colored experimental water into the intermediate container to test tightness, then starting the advection pump, injecting water into the simulated underground layer cavity from the simulated horizontal well until saturation, and collecting produced liquid from the water injection well;
(9.2) injecting colored simulated oil from said simulated horizontal well into said simulated subterranean cavity until saturated, collecting produced fluid from said water injection well;
(9.3) injecting water from the water injection well, collecting produced liquid from the wellhead of the simulation horizontal well until the water content in the cavity of the simulation underground layer reaches 90%, monitoring pressure change in the injection process, and observing the flow direction of injected water through the camera and the data acquisition system;
(9.4) starting water injection from the simulated horizontal well, collecting produced liquid from the water injection well until the water content in the simulated underground cavity reaches 95%, monitoring pressure change in the injection process, and observing the flow direction of injected water through the camera and the data acquisition system;
(9.5) injecting three microcosmic oil-water regulation and control systems with different colors, plugging agents and plugging removal agents from the simulation horizontal well in a segmented manner, monitoring pressure change in the injection process, observing the flow direction of the chemical agents through the camera and the data acquisition system, and standing;
and (9.6) starting to inject experimental water from the water injection well, monitoring pressure change in the injection process, observing the flow direction of the injected water through the camera and the data acquisition system, collecting produced liquid from the wellhead of the simulation horizontal well, measuring the volume of the produced oil and water, calculating the water content after plugging and dredging, and comparing the plugging and dredging effects.
2. The experimental apparatus according to claim 1, wherein a screen is installed on an outer wall of the analog horizontal well.
3. The experimental apparatus according to claim 1, wherein the number of the simulated water injection wells is a plurality.
4. The experimental device of claim 1, wherein the upper end cap is fixedly connected with the simulated underground cavity by bolts.
5. The experimental apparatus of claim 1, wherein the simulated horizontal well is a stainless steel tube; the upper end cover and the simulated underground layer cavity are made of acrylic materials.
6. The experimental device according to claim 1, wherein the number of cameras is two, and the cameras are respectively arranged on the front face and the side face of the three-dimensional simulation device.
7. The experimental apparatus of claim 1, wherein the simulated subterranean cavity is filled with glass sand.
8. The experimental set-up of claim 1, further comprising a six-way valve disposed between the advection pump and the intermediate vessel, a pressure gauge connected above the six-way valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811087685.2A CN109209288B (en) | 2018-09-18 | 2018-09-18 | Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent |
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| CN201811087685.2A CN109209288B (en) | 2018-09-18 | 2018-09-18 | Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent |
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| CN109209288A CN109209288A (en) | 2019-01-15 |
| CN109209288B true CN109209288B (en) | 2024-03-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900431A (en) * | 2012-09-06 | 2013-01-30 | 中国石油化工股份有限公司 | Plugging simulation experiment device for horizontal well |
| CN105525890A (en) * | 2015-11-24 | 2016-04-27 | 中国石油化工股份有限公司 | Water plugging method used for screen pipe completion horizontal well |
| CN107355201A (en) * | 2017-07-28 | 2017-11-17 | 中国地质调查局油气资源调查中心 | A kind of application method of gas hydrates exploitation analogue experiment installation |
| CN206753573U (en) * | 2017-03-16 | 2017-12-15 | 中国石油大学(华东) | A kind of dummy level shaft bottom water coning water blockoff visual experimental apparatus |
| CN209179723U (en) * | 2018-09-18 | 2019-07-30 | 山东大东联石油设备有限公司 | A kind of stifled thin henchnmrk test device of chemical agent tune |
-
2018
- 2018-09-18 CN CN201811087685.2A patent/CN109209288B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900431A (en) * | 2012-09-06 | 2013-01-30 | 中国石油化工股份有限公司 | Plugging simulation experiment device for horizontal well |
| CN202866800U (en) * | 2012-09-06 | 2013-04-10 | 中国石油化工股份有限公司 | Horizontal well plugging simulation experiment device |
| CN105525890A (en) * | 2015-11-24 | 2016-04-27 | 中国石油化工股份有限公司 | Water plugging method used for screen pipe completion horizontal well |
| CN206753573U (en) * | 2017-03-16 | 2017-12-15 | 中国石油大学(华东) | A kind of dummy level shaft bottom water coning water blockoff visual experimental apparatus |
| CN107355201A (en) * | 2017-07-28 | 2017-11-17 | 中国地质调查局油气资源调查中心 | A kind of application method of gas hydrates exploitation analogue experiment installation |
| CN209179723U (en) * | 2018-09-18 | 2019-07-30 | 山东大东联石油设备有限公司 | A kind of stifled thin henchnmrk test device of chemical agent tune |
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