CN204163714U - A kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities - Google Patents
A kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities Download PDFInfo
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- CN204163714U CN204163714U CN201420337306.1U CN201420337306U CN204163714U CN 204163714 U CN204163714 U CN 204163714U CN 201420337306 U CN201420337306 U CN 201420337306U CN 204163714 U CN204163714 U CN 204163714U
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Abstract
The utility model discloses a kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, comprising: horizontal well simulation wellbore hole; Fracture System; The gas-liquid integration system, water system, oil supply system and the air supply system that are communicated with Fracture System; Three-phase flow gauge, is provided with gaseous phase outlet end, and separately have two outlets to be communicated with oil supply system with water system respectively, entrance is communicated with horizontal well simulation wellbore hole.The hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities that the utility model is simulated conforms to actual conditions, and representative, the production of thus done experiment to reality has good directive significance.
Description
Technical field
The utility model relates to the physical simulation experiment device of staged fracturing of horizontal well research institute in low permeability oil and gas field development field, particularly a kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities.
Background technology
Staged fracturing of horizontal well, as a new technology of well development effect of improving the standard, is one of effective measures of high-efficiency mining Low permeable oil and gas reservoirs, in exploitation Low permeable oil and gas reservoirs process, have good effect and wide prospect.Because horizontal well track is different with straight well, horizontal well drilling strata is comparatively complicated compared with straight well, and the design of its pit shaft stress distribution, fisstured flow rule, thermo parameters method, PRODUCTION FORECASTING METHODS, split waveguide has a great difference with vertical well fracture.At present the research of staged fracturing of horizontal well technology is mainly concentrated on to the research of horizontal well technique and fracturing fluid technology, the staged fracturing Coupled Flow rule of horizontal well it be unclear that, and constrains the application of staged fracturing of horizontal well technology at Low permeable oil and gas reservoirs.
Application number is the Chinese patent application " staged fracturing string of oil-gas horizontal well " of 201020624719.X.This device comprises wellbore casing and is arranged in the oil recovery/tracheae in wellbore casing, and on the tube wall of wellbore casing, radial direction is provided with several through holes, and this through hole is corresponding with oil-gas Layer.This device can carry out the fracturing reform of multistage layer, realizes that multistage is laminated to be adopted.
Application number is the Chinese patent application " module unit type horizontal well multiphase flow dynamic simulation experimental device " of 201120545924.1.This apparatus structure comprises support, device tank body, simulation wellbore hole, forcing press, sand control filter screen, analogue perforation eyelet, Moving caster.This device can in laboratory the yielding condition of multiphase flow in horizontal well under the dynamic and true stratum infiltration of ground simulation underground water horizontal well perforated hole reservoir output situation, horizontal well multiphase flow, true perforating condition, realize degree of becoming sticky, variable-flow, flow-changeable, variable-azimuth dynamic analog.
Application number is the Chinese patent application " analogue experiment installation of fracturing fluid fluidised form in net horizontal section and method " of 201210163916.X.This device comprises: transparent horizontal pipeline, airtight heating tank, heater, capture apparatus, fluid reservoir, solution feed pump, pressure sensor, waste liquid tank.This device can flow performance under the fracturing fluid viscosity that adopts when fracturing is constructed of the liquid in research level well section and discharge capacity condition and fluidised form.
Existing experimental facilities does not all have results of fracture simulation system, can not simulated oil air water in hypotonic staged fracturing of horizontal well Coupled Flow rule, all can not realize carrying out network analysis to flow, pressure drop, pressure and Variable Mass Flow flow field in Wellbore Flow state, flow pattern, crack and horizontal well pit shaft.
Summary of the invention
In view of this, the utility model provides a kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, to realize being coupled of the seepage flow of simulated oil air water in crack and horizontal well Wellbore Flow.
For achieving the above object, the utility model provides following technical scheme:
A kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, comprising:
Horizontal well simulation wellbore hole, described horizontal well simulation wellbore hole evenly offers perforation, and described horizontal well simulation wellbore hole perforation both sides are separately installed with pressure transmitter;
Fracture System, described Fracture System is communicated with horizontal simulation wellbore hole perforation, is filled with proppant in described Fracture System;
The gas-liquid integration system, water system, oil supply system and the air supply system that are communicated with described Fracture System;
Three-phase flow gauge, described three-phase flow gauge is provided with gaseous phase outlet end, separately have two outlets to be communicated with oil supply system with water system respectively, entrance is communicated with horizontal well simulation wellbore hole, and the pipeline that described three-phase flow gauge is communicated with horizontal well simulation wellbore hole is provided with flow meter and control valve.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, described horizontal well simulation wellbore hole perforation side is provided with particle imaging test macro.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, described gas-liquid integration system and described Fracture System all have multiple connectivity points.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, each fissure channel of described Fracture System by pipeline connection, and is provided with control valve group in pipeline.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, described gas-liquid integration system comprises the first gas-liquid integrator, the second gas-liquid integrator, the 3rd gas-liquid integrator, the 4th gas-liquid integrator and the 5th gas-liquid integrator, the one-way throttle valve, pressure gauge, the flow meter that are communicated with to Fracture System direction that the first gas-liquid integrator and all the other gas-liquid integrators are connected successively.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, described water system comprises tank, water pump, stabilizator, first throttle valve, pressure gauge, turbine flowmeter, second throttle and the tracer of connecting successively and injects box, and one end that described water system has tank is communicated with described three-phase flow gauge.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, oil supply system comprises oil groove, oil pump, stabilizator, first throttle valve, pressure gauge, turbine flowmeter, second throttle and the tracer of connecting successively and injects box, and one end that described oil supply system has oil groove is communicated with described three-phase flow gauge.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, described air supply system comprises compressor, gasholder, strainer, cooling driers, first throttle valve, pressure gauge, vortex-shedding meter, second throttle and the tracer with automatic water trap of connecting successively and injects box, be provided with control valve between described compressor and described gasholder, described gasholder has atmospheric valve.
Preferably, in above-mentioned hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, it is characterized in that, the strainer with automatic water trap is multiple.
As can be seen from above-mentioned technical scheme, the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities that the utility model provides has following technique effect:
(1) the utility model is simulated horizontal well simulation wellbore hole, Fracture System conform to actual conditions, and representative, the production of thus done experiment to reality has good directive significance;
(2) in experimentation, different proppant can be selected according to the oil-gas reservoir of realistic simulation and adopt homogeneous and the back-up sand of heterogeneous body mode fracture system, analyzing the impact of different proppant and different back-up sand mode convection cell percolation law;
(3) pressure transmitter at horizontal well simulation wellbore hole perforation place and the installation of particle imaging test macro and inflow end flow meter, can clear reflection rate of flow of fluid and flow along the distribution of horizontal well pit shaft, pressure distribution in horizontal well simulation wellbore hole and change of production, analysing fluid is in crack and pit shaft Coupled Flow rule;
(4) the utility model both can Research on Oil air water single phase fluid flow and coupling separately, also can study oil gas, profit, air water two phase fluid flow and coupling, can also Research on Oil air water three phase fluid flow and coupling, had versatility;
(5) height of horizontal well simulation wellbore hole, equivalent water horizontal well simulation wellbore hole can regulate, and can adjust gradient within the specific limits, can also change simulation wellbore hole shape, in order to study hypotonic horizontal well actual production process.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the Fracture System left view of Fig. 1 along A-A face;
The horizontal well simulation wellbore hole that Fig. 3 provides for the utility model embodiment top view;
Fig. 4 is the left view of Fig. 3 along B-B face.
Accompanying drawing illustrates: 1. horizontal well simulation wellbore hole, 2. connectivity points, 3. Fracture System, 4. perforation, 5. proppant, 6. pressure transmitter, 20, 28, 41, 47, 51, 55, 59. pressure gauges, 7, 8, 9 control valve groups, 10, 48, 52, 56, 60. flow meters, 11, 33 control valves, 12. three-phase flow gauge, 13. gaseous phase outlet ends, the 14. oil phase ports of export, the 15. aqueous phase ports of export, 16. tanks, 17. water pumps, 18, 26. stabilizators, 19, 27, 40. first throttle valves, 21, 29. turbine flowmeters, 22, 30, 43. second throttle, 23, 31, 44. tracers inject box, 24. oil grooves, 25. oil pumps, 32. compressors, 34. atmospheric valves, 35. gasholder, 36, 38, 39. with the strainer of automatic water trap, 37. cooling driers, 42. gas vortex-shedding meters, 45. first gas-liquid integrators, 46, 50, 54, 58. one-way throttle valves, 49. second gas-liquid integrators, 53. the 3rd gas-liquid integrators, 57. the 4th gas-liquid integrators, 61. the 5th gas-liquid integrators, 62. particle imaging test macros.
Detailed description of the invention
The utility model discloses a kind of hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, with being coupled of realizing that the crack of simulated oil air water in Low permeable oil and gas reservoirs flow with horizontal well simulation wellbore hole.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 4, the structural representation of the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities that Fig. 1 provides for the utility model embodiment; Fig. 2 is the Fracture System left view of Fig. 1 along A-A face; The horizontal well simulation wellbore hole that Fig. 3 provides for the utility model embodiment top view; Fig. 4 is the left view of Fig. 3 along B-B face.
The one that the utility model embodiment provides hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, comprises horizontal well simulation wellbore hole 1, Fracture System 3, gas-liquid integration system, water system, oil supply system, air supply system and three-phase flow gauge 12.
Wherein, horizontal well simulation wellbore hole 1 is made up of transparent lucite tube, is convenient to carry out visual observation to experimental phenomena.Horizontal well simulation wellbore hole offers perforation, is separately installed with pressure transmitter in perforation both sides, is used for measuring the distribution situation of seepage field in horizontal well simulation wellbore hole and pressure field.
Horizontal well simulation wellbore hole perforation side is provided with particle imaging test macro 62, particle imaging test macro 62 can be tested the flow regime parameter around pit shaft perforation, flow into end at the first gas-liquid integrator and be separately installed with tracer injection box, inject box by tracer and inject trace particle to fluid.Particle imaging test macro 62 does not directly contact with fluid, penetrate the tangent plane region of institute's flow measurement field with the illumination of pulse laser sheet simultaneously, by record by imaging system picked-up twice or the particle picture of multiexposure, multiple exposure, form experimental image, recycling image cross-correlation method analysis chart picture, obtain the average displacement of particle picture in each zonule, determine the two-dimension speed in whole region on the tangent plane of flow field thus.
Fracture System 3 has certain thickness square poly (methyl methacrylate) plate by two pieces and makes, wherein fissure channel is communicated with horizontal simulation wellbore hole perforation 4, proppant 5 is filled with in fissure channel, by filling different proppant to different fissure channel and selecting different back-up sand mode, the non-homogeneity of simulation actual formation Fracture System.By pipeline connection between each fissure channel of Fracture System, and control valve group is installed in pipeline.
Gas-liquid integration system comprises the first gas-liquid integrator 45, second gas-liquid integrator 49, the 3rd gas-liquid integrator 53, the 4th gas-liquid integrator 57 and the 5th gas-liquid integrator 61, first gas-liquid integrator 45 and the one-way throttle valve, pressure gauge, the flow meter that are communicated with to Fracture System direction of connecting successively with all the other gas-liquid integrators.
Gas-liquid integration system and Fracture System all have multiple connectivity points 2, and multiple connectivity points is evenly arranged along Fracture System square poly (methyl methacrylate) plate surrounding.Gas-liquid integration system is communicated with Fracture System connectivity points one_to_one corresponding.
Water system, oil supply system are communicated with the first gas-liquid integrator 45 with air supply system, three-phase flow gauge 12 is provided with gaseous phase outlet end 13, two outlets are separately had to be communicated with oil supply system with water system respectively, entrance is communicated with horizontal well simulation wellbore hole 1, and the pipeline be communicated with is provided with flow meter 10 and control valve 11.
Fluid realize after three-phase flow gauge 12 oil and gas and water from, gas is released through gaseous phase outlet end 13, and water is back in tank 16 through aqueous phase outflow end 15, oil be back in oil groove 24 through oil phase outflow end 14.
Water system comprises tank 16, water pump 17, stabilizator 18, first throttle valve 19, pressure gauge 20, turbine flowmeter 21, second throttle 22 and the tracer of connecting successively and injects box 23, and one end that water system has tank 16 is communicated with three-phase flow gauge 12.
Oil supply system comprises oil groove 24, oil pump 25, stabilizator 26, first throttle valve 27, pressure gauge 28, turbine flowmeter 29, second throttle 30 and the tracer of connecting successively and injects box 31, and one end that oil supply system has oil groove 24 is communicated with three-phase flow gauge 12.
Air supply system comprises compressor 32, gasholder 35, strainer, cooling driers 37, first throttle valve 40, pressure gauge 41, gas vortex-shedding meter 42, second throttle 43 and the tracer with automatic water trap of connecting successively and injects box 44, control valve 33 is installed between compressor 32 and gasholder 35, gasholder 35 has atmospheric valve 34, and the strainer with automatic water trap is multiple.The gas passed into can be passed through and carries out drying, purification with the strainer of automatic water trap and cooling driers 37, can carry out emptying by atmospheric valve 34 pairs of gas injection systems.
Pressure transmitter in the utility model, pressure gauge, flow meter, three-phase flow gauge and particle imaging test macro all import data into computer through data acquisition unit, and experimenter analyzes and researches to hypotonic staged fracturing of horizontal well Coupled Flow process on computers.Horizontal well simulation wellbore hole can need to adjust its angle of slope and shape according to actual oil-gas reservoir simulation.In the utility model, the gas of each pipeline, liquid are measured respectively by gas vortex-shedding meter, turbine flowmeter.
In oil gas field practical application, after hypotonic horizontal well implements staged fracturing, its mode of communicating of the crack of generation comprises connected sum and is not communicated with.
Embodiment one (crack is not communicated with each other):
Before experiment starts, closed control valve group 7,8,9, closes one-way throttle valve 46,50,55,59.When experiment starts, open compressor 32 and Compressed Gas is injected gasholder 35, compressor 32 and gasholder 35 are linkage, namely when reservoir pressure is less than setting value, compressor will be opened automatically to gasholder tonifying Qi, ensure the stable of experiment gas source, air supply system can be recorded by pressure gauge 41 and test pressure used, by gas vortex-shedding meter 42 determination experiment gas flow.Open water pump 17 and oil pump 25, by the pressure needed for the experiment of the pressure modulation of water system and oil supply system, water system is recorded respectively and oil supply system tests pressure used by pressure gauge 20,28, make fluid experiment pressure in pipeline reach stationary value by stabilizator 18,26, measure water system and oil supply system experimental gas flow respectively by turbine flowmeter 21,29.Fluid enters after the first gas-liquid integrator 45 reaches stable state, opens one-way throttle valve 46,50,55,59.Pressure gauge 47,51,55,59 records experimental simulation strata pressure respectively, and flow meter 48,52,56,60 records the fluid flow in each branch road respectively.Fluid enters in Fracture System and horizontal well simulation wellbore hole 1, pressure transmitter 6 on horizontal well simulation wellbore hole 1 monitors pit shaft along journey pressure drop, particle imaging test macro 62 captures fluidised form around dummy level pit shaft perforation, flow meter 10 records pit shaft total flow, fluid enters three-phase flow meter 12 after flowing out pit shaft, three-phase flow meter oil-water separation also records profit flow, oil after separation flows out from the oil phase port of export 14, be recovered in oil groove 24, water flows out from the aqueous phase port of export 15 and is recovered to tank 16, the fluid mass variable flow rule of this experimental simulation crack disconnected hypotonic staged fracturing of horizontal well coupling each other.
Embodiment two (crack communicates with each other):
Before experiment starts, closed control valve group 7,8,9, closes one-way throttle valve 46,50,55,59.When experiment starts, open compressor 32 and Compressed Gas is injected gasholder 35, compressor 32 and gasholder 35 are linkage, namely when reservoir pressure is less than setting value, compressor will be opened automatically to gasholder tonifying Qi, ensure the stable of experiment gas source, air supply system can be recorded by pressure gauge 41 and test pressure used, by gas vortex-shedding meter 42 determination experiment gas flow.Open water pump 17 and oil pump 25, by the pressure needed for the experiment of the pressure modulation of water system and oil supply system, water system is recorded respectively and oil supply system tests pressure used by pressure gauge 20,28, make fluid experiment pressure in pipeline reach stationary value by stabilizator 18,26, measure water system and oil supply system experimental gas flow respectively by turbine flowmeter 21,29.Fluid enters after the first gas-liquid integrator 45 reaches stable state, opens control valve group 7,8,9, opens one-way throttle valve 46,55 subsequently.Pressure gauge 47,55 records experimental simulation strata pressure respectively, and flow meter 48,54 records the fluid flow in pipeline respectively.Fluid enters Fracture System 3 with horizontal well simulation wellbore hole 1, pressure transmitter 6 on horizontal well simulation wellbore hole 1 monitors pit shaft along journey pressure drop, particle imaging test macro 62 captures fluidised form around dummy level pit shaft perforation, flow meter 10 records pit shaft total flow, fluid enters three-phase flow meter 12 after flowing out pit shaft, three-phase flow meter oil-water separation also records profit flow, oil after separation flows out from the oil phase port of export 14, be recovered in oil groove 24, water flows out from the aqueous phase port of export 15 and is recovered to tank 16, the fluid mass variable flow rule of the hypotonic staged fracturing of horizontal well coupling that this experimental simulation crack communicates with each other.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities, comprising:
Horizontal well simulation wellbore hole (1), described horizontal well simulation wellbore hole (1) evenly offers perforation (4), and described horizontal well simulation wellbore hole perforation both sides are separately installed with pressure transmitter (6);
Fracture System (3), described Fracture System (3) is communicated with horizontal simulation wellbore hole perforation (4), is filled with proppant (5) in described Fracture System;
The gas-liquid integration system, water system, oil supply system and the air supply system that are communicated with described Fracture System;
Three-phase flow gauge (12), described three-phase flow gauge (12) is provided with gaseous phase outlet end (13), two outlets are separately had to be communicated with oil supply system with water system respectively, entrance is communicated with horizontal well simulation wellbore hole (1), and the pipeline that described three-phase flow gauge (12) is communicated with horizontal well simulation wellbore hole (1) is provided with flow meter (10) and control valve (11).
2. hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to claim 1, is characterized in that, described horizontal well simulation wellbore hole perforation (4) side is provided with particle imaging test macro (62).
3. hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to claim 1, is characterized in that, described gas-liquid integration system and described Fracture System (1) all have multiple connectivity points (2).
4. hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to claim 1, is characterized in that, each fissure channel of described Fracture System by pipeline connection, and is provided with control valve group (7) in pipeline.
5. the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to any one of claim 1-4, it is characterized in that, described gas-liquid integration system comprises the first gas-liquid integrator (45), the second gas-liquid integrator (49), the 3rd gas-liquid integrator (53), the 4th gas-liquid integrator (57) and the 5th gas-liquid integrator (61), the one-way throttle valve (46) be communicated with to Fracture System (3) direction, pressure gauge (47), flow meter (48) that the first gas-liquid integrator and all the other gas-liquid integrators are connected successively.
6. the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to any one of claim 1-4, it is characterized in that, described water system comprises tank (16), water pump (17), stabilizator (18), first throttle valve (19), pressure gauge (20), turbine flowmeter (21), second throttle (22) and the tracer of connecting successively and injects box (23), and one end that described water system has tank (16) is communicated with described three-phase flow gauge (12).
7. the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to any one of claim 1-4, it is characterized in that, oil supply system comprises oil groove (24), oil pump (25), stabilizator (26), first throttle valve (27), pressure gauge (28), turbine flowmeter (29), second throttle (30) and the tracer of connecting successively and injects box (31), and one end that described oil supply system has oil groove (24) is communicated with described three-phase flow gauge (12).
8. the hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to any one of claim 1-4, it is characterized in that, described air supply system comprises the compressor (32) of connecting successively, gasholder (35), with the strainer of automatic water trap, cooling driers (37), first throttle valve (40), pressure gauge (41), vortex-shedding meter (42), second throttle (43) and tracer inject box (44), control valve (33) is installed between described compressor (32) and described gasholder (35), described gasholder (35) has atmospheric valve (34).
9. hypotonic staged fracturing of horizontal well Coupled Flow experimental facilities according to claim 8, it is characterized in that, the strainer with automatic water trap is multiple.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033147A (en) * | 2014-06-23 | 2014-09-10 | 西南石油大学 | Low permeability horizontal well staged fracturing coupling flow experimental device |
| CN105041285A (en) * | 2015-09-12 | 2015-11-11 | 徐建立 | Cold stratum shale oil heat fracturing simulation experiment system |
| CN111701269A (en) * | 2020-06-12 | 2020-09-25 | 万华化学集团股份有限公司 | Flow pressure control method, storage medium, and electronic device |
-
2014
- 2014-06-23 CN CN201420337306.1U patent/CN204163714U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033147A (en) * | 2014-06-23 | 2014-09-10 | 西南石油大学 | Low permeability horizontal well staged fracturing coupling flow experimental device |
| CN105041285A (en) * | 2015-09-12 | 2015-11-11 | 徐建立 | Cold stratum shale oil heat fracturing simulation experiment system |
| CN105041285B (en) * | 2015-09-12 | 2017-07-18 | 河南工程学院 | Experimental system for simulating is split in a kind of cold stratum shale oil hot pressing |
| CN111701269A (en) * | 2020-06-12 | 2020-09-25 | 万华化学集团股份有限公司 | Flow pressure control method, storage medium, and electronic device |
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Granted publication date: 20150218 Termination date: 20160623 |