CN104776971A - Visualization experiment device for liquid and sand carrying of gas flow - Google Patents
Visualization experiment device for liquid and sand carrying of gas flow Download PDFInfo
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- CN104776971A CN104776971A CN201510162686.9A CN201510162686A CN104776971A CN 104776971 A CN104776971 A CN 104776971A CN 201510162686 A CN201510162686 A CN 201510162686A CN 104776971 A CN104776971 A CN 104776971A
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Abstract
The invention discloses a visualization experiment device for liquid and sand carrying of gas flow. The device comprises an oblique experiment rack, a support and a PC (personal computer), wherein the experiment rack is arranged on the support, an experiment tube section is arranged on the experiment rack, and a gas inlet, a liquid inlet, a sand device, a pressure sensor, a temperature sensor and a differential pressure sensor are sequentially arranged on the side surface of the experiment tube section; a gate is arranged at the bottom of the experiment tube section, a steel wire rope is connected with the top of the experiment rack and connected with a winch, the gas inlet is sequentially connected with a mass flow meter mechanism, a gas path gate mechanism and an air compressor, and the experiment tube section is sequentially connected with a three-phase separator, a water tank, a centrifugal pump, a liquid path gate mechanism, a turbine flow meter mechanism and the liquid inlet; the PC is connected with the mass flow meter mechanism, the liquid path gate mechanism, the pressure sensor, the temperature sensor and the differential pressure sensor respectively through leads. The effect caused by sand on gas critical liquid-carrying flow as well as the effect caused by a liquid on critical sand-carrying flow can be researched.
Description
Technical field
The invention belongs to test tool technical field, be specifically related to a kind of air-flow and take liquid and take sand visual experimental apparatus.
Background technology
Output often along with liquid or sand grains in natural gas extraction production run, these liquid of down-hole or sand grains may be taken out of pit shaft by air-flow, also may deposit in shaft bottom.Liquid accumulation can form pit shaft hydrops in shaft bottom, and hydrops can cause the increase of bottomhole wellbore pressure on the one hand, causes gas production to decline and even stops production, can increase the water cut of immediate vicinity of wellbore reservoir on the other hand, reduce gas phase permeability.Sand grains is gathered in shaft bottom, along with sand buried depth degree increase likely sand bury reservoir, cause gas well production declining even to stop production.In order to the object making gas well reach stable yields, reasonably must design the working system of gas well, ensure that gas well can carrying of liquids or sand grains normally, this just depends on whether air flow rate is greater than critically takes liquid or takes sand flow amount.But if the output of the sand grains adjoint while production fluid of gas well, so sand grains is on the impact of critical liquid carrying flow rate, liquid on the critical impact taking sand flow amount, and existing experimental provision cannot complete above-mentioned research.
The patent No. is that the complex structural well of CN103397876A is taken liquid mechanism visual Simulation experimental provision and both can be carried out the research that liquid theory taken by perpendicular hole gas well, also can carry out the research that horizontal segment takes liquid theory; The patent No. is that a kind of gas of CN202383121U is taken liquid analogue experiment installation and taken in liquid process at gas and adopt shower nozzle to spray in air-flow or directly test through a certain amount of liquid with air-flow, and learning gas takes the swallowing-capacity of liquid; The patent No. is that a kind of pit shaft of CN202946125U is taken liquid and helped and adopt visual experimental apparatus, the liquid tubing string of vertically taking of this device is provided with center and helps and adopt pipe, view window and heating temperature-control system, the environmental baseline of High Temperature High Pressure or low-temp low-pressure can be realized, realize the evaluation of High Temperature High Pressure pit shaft frothing agent stability, fluid-carrying capability and foam drainage gas recovery technological process; The patent No. is that a kind of gas of CN202383121U takes liquid analogue means, be made up of gas injection system, waterflood system and pit shaft, each phase gas takes liquid and swallowing-capacity thereof when can realize studying gas-liquid mixed under the gas-liquid mixed of various state and in gas-liquid uphill process.The patent No. is the fluid sand-carrying experimental device of CN102817564A, primarily of water tank, centrifugal pump, developmental tube, add sand hopper, pipeline composition, use this equipment on the basis of Wellbore Flow simulated experiment, the relationship of sand settling speed and well liquid average velocity can be studied; The patent No. is the bubble row sand-carrying production visual experimental apparatus of CN203835304U, this device is used for the experiment of visual sand-carrying production, liquid in wellbore hole simulator, gas takes sand or foam takes sand process, and sand effect is taken in research, and obtain it by derivation and critically take sand speed.
Current experimental provision mainly concentrates on single learning gas and takes liquid or take in the ability of sand, if gas takes liquid process medium fluid, system exists solid particle, and whether solid particle exists impact to critical liquid carrying flow rate, affects much; If gas takes sand process medium fluid there is liquid in system, and whether liquid exists impact to critical sand flow amount of taking, and affects much, remains a less research field set foot in.The object of the invention is to carry out gas to take sand grains impact and gas in liquid process and take the research of liquid in sand process, in addition, experiment tubing string is placed on can change on the experimental stand of angle, can also carry out different angles gas and critically take liquid, critically take sand flow quantifier elimination.The experimental data using this experimental provision to obtain can be derived different angles critical liquid carrying flow rate, the critical computing formula taking sand flow amount, analyze sand grains on gas critical liquid carrying flow rate impact and liquid on the critical impact taking sand flow amount, derive impact quantitative model.
Summary of the invention
The object of this invention is to provide a kind of air-flow to take liquid and take sand visual experimental apparatus, this experimental provision can carry out the experiment of air-flow simultaneously carrying of liquids and sand grains, and Study of Liquid takes the impact of sand critical liquid carrying flow rate to air-flow and sand grains takes the impact of liquid critical liquid carrying flow rate to air-flow.
The technical solution adopted in the present invention is, a kind of air-flow is taken liquid and is taken sand visual experimental apparatus, comprise tilted-putted experimental stand, support and PC, support is L bracket, experimental stand one end is arranged at the horizontal segment of support, the other end is arranged at the vertical section of support, experimental stand is provided with experiment pipeline section, and the side of experiment pipeline section is disposed with air intake opening, inlet, sand grains device, pressure transducer, temperature sensor and differential pressure pickup from bottom to top; The bottom of experiment pipeline section is provided with gate valve, the top of the vertical section of support is provided with fixed pulley, the top of experimental stand is connected with wire rope, wire rope is walked around fixed pulley and is connected with windlass, air intake opening is connected with mass rate gauge body, gas circuit gate valve mechanism and air compressor in turn by pipeline, and experiment pipeline section is connected with triphase separator, water pot, centrifugal pump, fluid path gate valve mechanism, turbine flow gauge body and inlet in turn by pipeline; PC is connected with differential pressure pickup with mass rate gauge body, fluid path gate valve mechanism, pressure transducer, temperature sensor respectively by wire.
Feature of the present invention is also,
Mass rate gauge body comprises the first mass flowmeter, the second mass flowmeter and the 3rd mass flowmeter, gas circuit gate valve mechanism comprises the first gas circuit gate valve, the second gas circuit gate valve and the 3rd gas circuit gate valve, first mass flowmeter is connected with the first gas circuit gate valve, second mass flowmeter is connected with the second gas circuit gate valve, and the 3rd mass flowmeter is connected with the 3rd gas circuit gate valve; First mass flowmeter, the second mass flowmeter are all connected with air intake opening with the 3rd mass flowmeter; First gas circuit gate valve, the second gas circuit gate valve are all connected with air compressor with the 3rd gas circuit gate valve.
The range of the first mass flowmeter, the second mass flowmeter and the 3rd mass flowmeter increases successively.
Fluid path gate valve mechanism comprises the first fluid path gate valve, the second fluid path gate valve and the 3rd fluid path gate valve, and turbine flow gauge body comprises the first turbo flow meter, the second turbo flow meter and the 3rd turbo flow meter; First fluid path gate valve is connected with the first turbo flow meter, and the second fluid path gate valve is connected with the second turbo flow meter, and the 3rd fluid path gate valve is connected with the 3rd turbo flow meter; First fluid path gate valve, the second fluid path gate valve are all connected with centrifugal pump with the 3rd fluid path gate valve, and the first turbo flow meter, the second turbo flow meter are all connected with inlet with the 3rd turbo flow meter.
The range of the first turbo flow meter, the second turbo flow meter and the 3rd turbo flow meter increases successively.
Experimental stand is provided with roller.
The invention has the beneficial effects as follows: the object of the invention is to carry out gas and take sand grains impact and gas in liquid process and take the research of liquid in sand process, in addition, experiment tubing string is placed on can change on the experimental stand of angle, can also carry out different angles gas and critically take liquid, critically take sand flow quantifier elimination.This device can carry out sand grains on gas critical liquid carrying flow rate impact and liquid on the critical impact taking sand flow amount, the angle of testing pipeline section in experimentation can regulate arbitrarily, carries out the impact of different angles critical liquid carrying flow rate.
Accompanying drawing explanation
Fig. 1 is the structural representation that air-flow of the present invention takes that liquid takes sand visual experimental apparatus.
In figure, 1. air compressor, 2. centrifugal pump, 3. water pot, 4. triphase separator, 5. the first fluid path gate valve, 6. the second fluid path gate valve, 7. the 3rd fluid path gate valve, 8. the first gas circuit gate valve, 9. the second gas circuit gate valve, 10. the 3rd gas circuit gate valve, 11. first turbo flow meters, 12. second turbo flow meters, 13. the 3rd turbo flow meters, 14. first mass flowmeters, 15. second mass flowmeters, 16. the 3rd mass flowmeters, 17. experiment pipeline sections, 18. sand grains devices, 19. pressure transducers, 20. temperature sensors, 21. differential pressure pickups, 22. windlasss, 23. gate valves, 24. air intake openings, 25. inlets, 26. wire rope, 27. experimental stands, 28. fixed pulleys, 29. supports, 30.PC machine.
Embodiment
Below in conjunction with embodiment, the present invention is described in detail.
The invention provides a kind of air-flow to take liquid and take sand visual experimental apparatus, whole analogue experiment installation is divided into four parts: wellbore hole simulator part, Experimental Flowing Object supply and TT&C system, flow parameter and data Collection & Processing System and Experimental Flowing Object after-treatment system.As shown in Figure 1, comprise tilted-putted experimental stand 27, support 29 and PC 30, support 29 is L bracket, experimental stand 27 one end is arranged at the horizontal segment of support 29, the other end is arranged at the vertical section of support 29, experimental stand 27 is provided with experiment pipeline section 17, the side of experiment pipeline section 17 is disposed with air intake opening 24, inlet 25, sand grains device 18, pressure transducer 19, temperature sensor 20 and differential pressure pickup 21 from bottom to top; The bottom of experiment pipeline section 17 is provided with gate valve 23, the top of the vertical section of support 29 is provided with fixed pulley 28, the top of experimental stand 27 is connected with wire rope 26, wire rope 26 is walked around fixed pulley 28 and is connected with windlass 22, air intake opening 24 is connected with mass rate gauge body, gas circuit gate valve mechanism and air compressor 1 in turn by pipeline, and experiment pipeline section 17 is connected with triphase separator 4, water pot 3, centrifugal pump 2, fluid path gate valve mechanism, turbine flow gauge body and inlet 25 in turn by pipeline; PC 30 is connected with differential pressure pickup 21 with mass rate gauge body, fluid path gate valve mechanism, pressure transducer 19, temperature sensor 20 respectively by wire.Experimental stand 27 is provided with roller.
Mass rate gauge body comprises the first mass flowmeter 14, second mass flowmeter 15 and the 3rd mass flowmeter 16, gas circuit gate valve mechanism comprises the first gas circuit gate valve 8, second gas circuit gate valve 9 and the 3rd gas circuit gate valve 10, first mass flowmeter 14 is connected with the first gas circuit gate valve 8, second mass flowmeter 15 is connected with the second gas circuit gate valve 9, and the 3rd mass flowmeter 16 is connected with the 3rd gas circuit gate valve 10; First mass flowmeter 14, second mass flowmeter 15 is all connected with air intake opening 24 with the 3rd mass flowmeter 16; First gas circuit gate valve 8, second gas circuit gate valve 9 is all connected with air compressor 1 with the 3rd gas circuit gate valve 10.The range of the first mass flowmeter 14, second mass flowmeter 15 and the 3rd mass flowmeter 16 increases successively.
Fluid path gate valve mechanism comprises the first fluid path gate valve 5, second fluid path gate valve 6 and the 3rd fluid path gate valve 7, and turbine flow gauge body comprises the first turbo flow meter 11, second turbo flow meter 12 and the 3rd turbo flow meter 13; First fluid path gate valve 5 is connected with the first turbo flow meter 11, and the second fluid path gate valve 6 is connected with the second turbo flow meter 12, and the 3rd fluid path gate valve 7 is connected with the 3rd turbo flow meter 13; First fluid path gate valve 5, second fluid path gate valve 6 is all connected with centrifugal pump 2 with the 3rd fluid path gate valve 7, and the first turbo flow meter 11, second turbo flow meter 12 is all connected with inlet 25 with the 3rd turbo flow meter 13.The range of the first turbo flow meter 11, second turbo flow meter 12 and the 3rd turbo flow meter 13 increases successively.
It is measuring accuracy in order to increase fluid flow that gas circuit and fluid path are divided into 3 tunnels, because if the range of flowmeter just can not ensure too greatly the accurate-metering of low discharge fluid, therefore have employed 3 pipelines, the range difference of every bar pipeline flowmeter.
Experiment flow and the operation steps of this device are as follows:
1) experiment of gas critical liquid carrying flow rate
Test the angle by windlass 22 and wire rope 26 regulation experiment stand 27 before starting, carry out the experiment of a certain angle gas critical liquid carrying flow rate.In experimentation, first open air compressor 1 allow large discharge gas by air intake opening 24 enter experiment pipeline section in flow, then open centrifugal pump 2 by the liquid in water pot 3 by inlet 25 enter experiment pipeline section 17 (fluid flow can pass through fluid path gate valve mechanism (the first fluid path gate valve 5, second fluid path gate valve 6 and the 3rd fluid path gate valve 7) control), subsequently by regulating gas circuit valve mechanism (the first gas circuit gate valve 8, second gas circuit gate valve 9 and the 3rd gas circuit gate valve 10) reduce gas flow, the flow state of the fluid at observation experiment pipeline section tube wall place judges whether gas reaches critical liquid carrying flow rate, from testing the effect of pipeline section fluid out through separation vessel 4, gas-liquid is separated, gas is directly emptying, liquid backflow is to water pot 3.In experimentation, the flow mass rate gauge body (the first mass flowmeter 14, second mass flowmeter 15 and the 3rd mass flowmeter 16) of gas measures, fluid flow turbine flow gauge body (the first turbo flow meter 11, second turbo flow meter 12 and the 3rd turbo flow meter 13) measures, pressure, temperature and pressure reduction pressure transducer 19 in experiment pipeline, temperature sensor 20 and pressure difference transmitter 21 are measured, and experimental data directly gathers with acquisition system PC 30.
Can carry out the experiment of gas critical liquid carrying flow rate under different angle condition by changing the angle of experimental stand, the analyzing and processing of data can consider the critical liquid carrying flow rate computing formula at tubing string inclination angle everywhere by experiment.
If carry out next group experiment, valve 23 must be opened, the hydrops in emptying experiment pipeline section, and then test according to above-mentioned steps.
2) sand grains experiment that gas critical liquid carrying flow rate is affected
Test the angle by windlass 22 and wire rope 26 regulation experiment stand 27 before starting, carry out the experiment of a certain angle gas critical liquid carrying flow rate.In experimentation, first open air compressor 1 allow large discharge gas by gas access 24 enter experiment pipeline section in flow, then open centrifugal pump 2 by the liquid in water pot 3 by liquid inlet 25 enter experiment pipeline section (fluid flow can pass through fluid path gate valve mechanism (the first fluid path gate valve 5, second fluid path gate valve 6 and the 3rd fluid path gate valve 7) control), with sand grains injector 18, sand grains is pressed a certain amount of injection experiments pipeline section simultaneously, subsequently by regulating gas circuit valve mechanism (the first gas circuit gate valve 8, second gas circuit gate valve 9 and the 3rd gas circuit gate valve 10) reduce gas flow, the flow state of the fluid at observation experiment pipeline section tube wall place judges whether gas reaches critical liquid carrying flow rate, from testing the effect of pipeline section fluid out through separation vessel 4, gas-liquid is separated, gas is directly emptying, liquid backflow is to water pot 3.In experimentation, the flow mass rate gauge body (the first mass flowmeter 14, second mass flowmeter 15 and the 3rd mass flowmeter 16) of gas measures, fluid flow turbine flow gauge body (the first turbo flow meter 11, second turbo flow meter 12 and the 3rd turbo flow meter 13) measures, pressure, temperature and pressure reduction pressure transducer 19 in experiment pipeline, temperature sensor 20 and pressure difference transmitter 21 are measured, and experimental data directly gathers by acquisition system.
By the analysis result of this experimental data with do not have the experimental result of sand grains to be analyzed, the impact of sand grains on critical liquid carrying flow rate can be summed up, derive the critical liquid carrying flow rate computing formula considered in sand grains situation.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, many variations can also be made to it.
Claims (6)
1. an air-flow is taken liquid and is taken sand visual experimental apparatus, it is characterized in that, comprise tilted-putted experimental stand (27), support (29) and PC (30), described support (29) is L bracket, described experimental stand (27) one end is arranged at the horizontal segment of support (29), the other end is arranged at the vertical section of support (29), described experimental stand (27) is provided with experiment pipeline section (17), the side of described experiment pipeline section (17) is disposed with air intake opening (24) from bottom to top, inlet (25), sand grains device (18), pressure transducer (19), temperature sensor (20) and differential pressure pickup (21), the bottom of described experiment pipeline section (17) is provided with gate valve (23), the top of the vertical section of described support (29) is provided with fixed pulley (28), the top of described experimental stand (27) is connected with wire rope (26), wire rope (26) is walked around fixed pulley (28) and is connected with windlass (22), described air intake opening (24) is connected with mass rate gauge body in turn by pipeline, gas circuit gate valve mechanism and air compressor (1), described experiment pipeline section (17) is connected with triphase separator (4) in turn by pipeline, water pot (3), centrifugal pump (2), fluid path gate valve mechanism, turbine flow gauge body and inlet (25), described PC (30) is connected with differential pressure pickup (21) with mass rate gauge body, fluid path gate valve mechanism, pressure transducer (19), temperature sensor (20) respectively by wire.
2. air-flow according to claim 1 is taken liquid and is taken sand visual experimental apparatus, it is characterized in that, described mass rate gauge body comprises the first mass flowmeter (14), second mass flowmeter (15) and the 3rd mass flowmeter (16), described gas circuit gate valve mechanism comprises the first gas circuit gate valve (8), second gas circuit gate valve (9) and the 3rd gas circuit gate valve (10), described first mass flowmeter (14) is connected with the first gas circuit gate valve (8), described second mass flowmeter (15) is connected with the second gas circuit gate valve (9), described 3rd mass flowmeter (16) is connected with the 3rd gas circuit gate valve (10), described first mass flowmeter (14), the second mass flowmeter (15) are all connected with air intake opening (24) with the 3rd mass flowmeter (16), described first gas circuit gate valve (8), the second gas circuit gate valve (9) are all connected with air compressor (1) with the 3rd gas circuit gate valve (10).
3. air-flow according to claim 2 is taken liquid and is taken sand visual experimental apparatus, it is characterized in that, the range of described first mass flowmeter (14), the second mass flowmeter (15) and the 3rd mass flowmeter (16) increases successively.
4. air-flow according to claim 1 is taken liquid and is taken sand visual experimental apparatus, it is characterized in that, described fluid path gate valve mechanism comprises the first fluid path gate valve (5), the second fluid path gate valve (6) and the 3rd fluid path gate valve (7), and described turbine flow gauge body comprises the first turbo flow meter (11), the second turbo flow meter (12) and the 3rd turbo flow meter (13); Described first fluid path gate valve (5) is connected with the first turbo flow meter (11), described second fluid path gate valve (6) is connected with the second turbo flow meter (12), and described 3rd fluid path gate valve (7) is connected with the 3rd turbo flow meter (13); Described first fluid path gate valve (5), the second fluid path gate valve (6) are all connected with centrifugal pump (2) with the 3rd fluid path gate valve (7), and described first turbo flow meter (11), the second turbo flow meter (12) are all connected with inlet (25) with the 3rd turbo flow meter (13).
5. air-flow according to claim 4 is taken liquid and is taken sand visual experimental apparatus, it is characterized in that, the range of described first turbo flow meter (11), the second turbo flow meter (12) and the 3rd turbo flow meter (13) increases successively.
6. air-flow according to claim 1 is taken liquid and is taken sand visual experimental apparatus, it is characterized in that, (27) are provided with roller to described experimental stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162686.9A CN104776971A (en) | 2015-04-08 | 2015-04-08 | Visualization experiment device for liquid and sand carrying of gas flow |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510162686.9A CN104776971A (en) | 2015-04-08 | 2015-04-08 | Visualization experiment device for liquid and sand carrying of gas flow |
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| CN104776971A true CN104776971A (en) | 2015-07-15 |
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| CN201510162686.9A Pending CN104776971A (en) | 2015-04-08 | 2015-04-08 | Visualization experiment device for liquid and sand carrying of gas flow |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105547884A (en) * | 2015-12-31 | 2016-05-04 | 中国石油天然气股份有限公司 | Jet type erosion experimental device |
| CN106351614A (en) * | 2016-10-19 | 2017-01-25 | 西南石油大学 | Preferred pipe column water drainage gas production simulation device and experiment method |
| CN106768844A (en) * | 2017-01-19 | 2017-05-31 | 中国石油大学(华东) | Bend pipe sand plug and standpipe take the experimental provision of sand in a kind of marine oil and gas course of conveying |
| CN107989596A (en) * | 2017-04-11 | 2018-05-04 | 中国石油天然气股份有限公司 | A kind of simulation wellbore hole device and oil-gas-water three-phase flow experimental system for simulating |
| CN108051180A (en) * | 2017-11-17 | 2018-05-18 | 中国石油大学(华东) | A kind of circulating multiphase flow fluctuating pipeline experimental rig, application and method |
| CN108593327A (en) * | 2018-06-26 | 2018-09-28 | 长江大学 | A kind of casing-head gas anchor testing platform |
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| CN114112822A (en) * | 2021-11-26 | 2022-03-01 | 中国地质大学（武汉） | Simulation system and prediction method for dynamic sand carrying capacity of drilling fluid |
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- 2015-04-08 CN CN201510162686.9A patent/CN104776971A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105547884B (en) * | 2015-12-31 | 2018-07-13 | 中国石油天然气股份有限公司 | A kind of injecting type erosion experiment apparatus |
| CN105547884A (en) * | 2015-12-31 | 2016-05-04 | 中国石油天然气股份有限公司 | Jet type erosion experimental device |
| CN106351614A (en) * | 2016-10-19 | 2017-01-25 | 西南石油大学 | Preferred pipe column water drainage gas production simulation device and experiment method |
| CN106768844B (en) * | 2017-01-19 | 2023-08-29 | 中国石油大学(华东) | Experimental device and experimental method for sand blocking of elbow pipe and sand carrying of vertical pipe in marine oil and gas conveying process |
| CN106768844A (en) * | 2017-01-19 | 2017-05-31 | 中国石油大学(华东) | Bend pipe sand plug and standpipe take the experimental provision of sand in a kind of marine oil and gas course of conveying |
| CN107989596A (en) * | 2017-04-11 | 2018-05-04 | 中国石油天然气股份有限公司 | A kind of simulation wellbore hole device and oil-gas-water three-phase flow experimental system for simulating |
| CN107989596B (en) * | 2017-04-11 | 2021-04-30 | 中国石油天然气股份有限公司 | Simulation shaft device and oil-gas-water three-phase flow simulation experiment system |
| CN109211516A (en) * | 2017-07-06 | 2019-01-15 | 中国石油天然气股份有限公司 | A kind of test device and method of slanted well bore concentric double pipe waterpower prop-carrying capacity |
| CN109211516B (en) * | 2017-07-06 | 2024-03-26 | 中国石油天然气股份有限公司 | Testing device and method for hydraulic sand carrying capacity of concentric double pipes of inclined shaft |
| CN108051180A (en) * | 2017-11-17 | 2018-05-18 | 中国石油大学(华东) | A kind of circulating multiphase flow fluctuating pipeline experimental rig, application and method |
| CN108593327A (en) * | 2018-06-26 | 2018-09-28 | 长江大学 | A kind of casing-head gas anchor testing platform |
| CN114112822B (en) * | 2021-11-26 | 2023-09-29 | 中国地质大学（武汉） | Drilling fluid dynamic sand carrying capacity simulation system and prediction method |
| CN114112822A (en) * | 2021-11-26 | 2022-03-01 | 中国地质大学（武汉） | Simulation system and prediction method for dynamic sand carrying capacity of drilling fluid |
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Application publication date: 20150715 |