CN113431552B - Experimental device and method for eliminating upwarp horizontal well section plug flow by gas lift method - Google Patents
Experimental device and method for eliminating upwarp horizontal well section plug flow by gas lift method Download PDFInfo
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- CN113431552B CN113431552B CN202110649673.XA CN202110649673A CN113431552B CN 113431552 B CN113431552 B CN 113431552B CN 202110649673 A CN202110649673 A CN 202110649673A CN 113431552 B CN113431552 B CN 113431552B
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- 238000000034 method Methods 0.000 title claims abstract description 55
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000002347 injection Methods 0.000 claims abstract description 45
- 239000007924 injection Substances 0.000 claims abstract description 45
- 238000004088 simulation Methods 0.000 claims abstract description 41
- 238000005452 bending Methods 0.000 claims abstract description 18
- 230000001105 regulatory effect Effects 0.000 claims description 31
- 238000003860 storage Methods 0.000 claims description 14
- 238000002474 experimental method Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 8
- 239000007791 liquid phase Substances 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 3
- 238000003379 elimination reaction Methods 0.000 claims 3
- 238000009491 slugging Methods 0.000 abstract description 15
- 230000000087 stabilizing effect Effects 0.000 abstract description 5
- 230000005514 two-phase flow Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 89
- 238000005457 optimization Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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Abstract
The invention provides an experimental device and a method for eliminating upwarp horizontal well section plug flow by an air method, wherein the device comprises a first flange, a second flange, a simulation section and an air supply assembly, wherein the air supply assembly is connected with a first pipeline so as to inject air into the simulation section; a circulation assembly connected to the first pipeline for injecting a liquid into the analog section; and one end of the gas injection pipe is connected with the gas supply assembly, and the other end of the gas injection pipe is connected with the bending section or the vertical section so as to inject gas into the bending section or the vertical section. The occurrence of severe slugging of the upwarp section horizontal well can be predicted through simulation, a method for more accurately researching the characteristics of gas-liquid two-phase flow in the upwarp section horizontal well system is provided, the change rule of each characteristic parameter of the severe slugging under different flow parameters is revealed, and then the gas injection quantity of the severe slugging can be effectively restrained by a gas lift method under different flow parameters, so that the method has great significance in stabilizing the oil field yield and guaranteeing the safety in the horizontal well.
Description
Technical Field
The invention relates to the technical field of oil and gas well development, in particular to an experimental device and method for eliminating upwarp horizontal well section plug flow by a gas lift method.
Background
In the oil and gas exploitation process, the yield of the oil and gas well can be greatly increased by the horizontal well, and especially in the natural gas exploitation process, exploitation by adopting the horizontal well mode has become a very important means. However, the horizontal section of the horizontal well is not absolutely horizontal, and during the oil and gas drilling process, a part of the horizontal well with the upwarp section is designed for production and development, and enters the production stage. However, when the gas-liquid flow in the upturned horizontal well is smaller, the gas-liquid flows in the upturned horizontal tube in a stratified flow manner, and liquid can accumulate at the bottom of the vertical tube due to the action of gravity, so that gas cannot enter the vertical tube and is blocked in the upturned horizontal well, a liquid plug with the length being one time or even several times longer than that of the vertical tube is formed, serious slugging is easy to generate in the upturned horizontal well and the vertical tube system, and due to the instantaneity and periodicity of the serious slugging, a plurality of problems and harm are brought to design and production, so that great influence is caused on the safety of the well. In recent years, the upwarp horizontal wells have also increased. However, the existing experimental device for simulating the generation of the severe slugging of the upwarp horizontal well is fewer, and the experimental device for eliminating the severe slugging of the upwarp horizontal well by adopting the gas injection method is relatively fewer.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device and a method for eliminating upwarp horizontal well slug flow experiment by a gas lift method, which can predict the occurrence of upwarp horizontal well serious slug flow through simulation, and provides a method for more accurately researching the characteristics of gas-liquid two-phase flow in an upwarp horizontal well system, so as to reveal the change rule of each characteristic parameter of the serious slug flow under different flow parameters, further find out the gas injection quantity of the gas lift method for effectively inhibiting the serious slug flow under different flow parameters, and have great significance for stabilizing the oil field output and guaranteeing the safety in the horizontal well.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a gas lift method eliminates upwarp horizontal well section plug flow experimental apparatus which characterized in that, including first flange and second flange, with first flange connected's first pipeline, the second flange is located the top of first flange still includes:
the simulation section comprises an inclined section connected with the first flange, a vertical section connected with the second flange and a bending section connected with the vertical section and the inclined section, and the inclined section is inclined downwards along the direction close to the vertical section;
the air supply assembly is connected with the first pipeline so as to inject air into the simulation section;
a circulation assembly connected to the first pipeline for injecting a liquid into the analog section;
and one end of the gas injection pipe is connected with the gas supply assembly, and the other end of the gas injection pipe is connected with the bending section or the vertical section so as to inject gas into the bending section or the vertical section.
As a further optimization of the present invention, the air supply assembly includes: a gas source is arranged in the air tank,
a first air regulating valve respectively connected with the air source and the first pipeline to control the communication between the air source and the first pipeline,
and the second air regulating valve is respectively connected with the air source and the air injection pipe so as to control the communication between the air source and the air injection pipe.
As a further optimization of the invention, the gas supply assembly further comprises a first gas flow meter connected with the first gas regulating valve and a second gas flow meter connected with the second gas regulating valve.
As a further optimization of the invention, the circulation assembly comprises:
the liquid storage tank is internally provided with a temperature control piece for controlling the temperature of liquid in the liquid storage tank;
the liquid injection pump is connected with the liquid storage tank;
and the regulating valve is connected with the first pipeline to regulate the flow.
As a further optimization of the invention, a liquid phase flowmeter connected with the regulating valve is also included.
As a further optimization of the invention, the invention further comprises a shooting piece arranged on one side of the bending section.
As a further optimization of the invention, the invention further comprises a pressure gauge arranged on the first pipeline.
As a further optimization of the invention, the invention further comprises a computer electrically connected with the pressure gauge, the first gas flowmeter, the second gas flowmeter, the liquid phase flowmeter and the shooting piece.
The invention also provides an experimental method for eliminating upwarp horizontal well section plug flow by the gas method, which is based on the experimental device for eliminating upwarp horizontal well section plug flow by the gas method, and comprises the following steps: the simulation section is filled with liquid through the circulation assembly, gas is injected into the simulation section through the gas supply assembly so that a slug flow is formed in the simulation section, gas is injected into the simulation section through the gas supply assembly, and data are recorded.
As a further optimization of the present invention, it further comprises: the angle of the inclined section is changed, and/or the gas injection rate of the gas supply assembly into the simulation section is changed to perform a test.
Compared with the prior art, the invention has the beneficial effects that:
according to the experimental device and the method for eliminating upwarp horizontal well slugging by the gas method, the occurrence of severe slugging of the upwarp horizontal well can be predicted through simulation, a method for more accurately researching the characteristics of gas-liquid two-phase flow in the upwarp horizontal well system is provided, the change rule of each characteristic parameter of the severe slugging under different flow parameters is revealed, the gas injection quantity of the severe slugging can be effectively restrained by the gas lift method under different flow parameters is further sought, and the experimental device and the method have great significance in stabilizing the oil field output and guaranteeing the safety in the horizontal well.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an experimental device for eliminating upwarp horizontal well slug flow by using a gas lift method;
fig. 2 is a flow chart of an experimental method for eliminating upwarp horizontal well slug flow by using a gas lift method.
In the figure: 1. a first flange; 2. a second flange; 3. a first pipeline; 4. a simulation section; 41. an inclined section; 42. a vertical section; 43. bending sections; 51. a gas source; 511. a compressor; 512. a gas storage tank; 52. a first air regulating valve; 53. a second air regulating valve; 54. a first gas flow meter; 55. a second gas flow meter; 61. a liquid storage tank; 62. a liquid injection pump; 63. a regulating valve; 64. a liquid phase flowmeter; 7. an air injection pipe; 8. a photographing member; 9. a pressure gauge; 10. and a computer.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "inner", "outer", "upper", "lower", "front", "rear", etc. are based on the positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, the invention provides an experimental device for eliminating upwarp horizontal well section plug flow by a gas lift method, which is characterized by comprising a first flange 1 and a second flange 2, a first pipeline 3 connected with the first flange 1, wherein the second flange 2 is arranged above the first flange 1, and further comprises:
a simulation section 4 including an inclined section 41 connected to the first flange 1, a vertical section 42 connected to the second flange 2, and a bending section 43 connecting the vertical section 42 and the inclined section 41, the inclined section 41 being inclined downward in a direction approaching the vertical section 42;
a gas supply assembly connected to the first pipeline 3 to inject gas into the simulation section 4;
a circulation assembly connected to the first pipeline 3 to inject liquid into the simulation segment 4;
and one end of the gas injection pipe 7 is connected with the gas supply assembly, and the other end of the gas injection pipe is connected with the bending section 43 or the vertical section 42 so as to inject gas into the bending section 43 or the vertical section 42.
According to the experimental device for eliminating upwarp horizontal well slugging by the gas method, gas and liquid can be injected into the simulation section 4 through the gas supply assembly and the circulation assembly, the upwarp horizontal well is simulated through the inclined section 41, the bending section 43 and the vertical section 42, so that the occurrence of severe slugging of the upwarp horizontal well is simulated, meanwhile, the relevant condition of eliminating by a gas lift method can be simulated through the gas injection pipe 7, a more accurate method for researching the gas-liquid two-phase flow characteristics in the upwarp horizontal well system can be provided, the change rule of each characteristic parameter of the severe slugging under different flow parameters is disclosed, and the gas injection quantity of the severe slugging can be effectively restrained by the gas lift method under different flow parameters, so that the experimental device has great significance for stabilizing the oil field yield and guaranteeing the safety in the horizontal well.
In this embodiment, the first flange 1 and the second flange 2 are reducing flanges, and may be adapted to flange connection with different diameters, so that different upwarping angles or different simulation segments 4 corresponding to different tracks may be replaced as required.
As another embodiment of the present invention, unlike the above-described embodiments, in this embodiment, the air supply assembly includes: a gas source 51,
a first air regulating valve 52 connected to said air supply 51 and said first pipeline 3, respectively, for controlling the communication between said air supply 51 and said first pipeline 3,
and a second air regulating valve 53 connected with the air source 51 and the air injection pipe 7 respectively to control the communication between the air source 51 and the air injection pipe 7.
In the above scheme, the first air adjusting valve 52 controls the communication between the first pipeline 3 and the air source 51, so that the air injection time and the air injection amount in the simulation section 4 can be adjusted, and the second air adjusting valve 53 controls the communication between the air source 51 and the bending section 43 or the vertical section 42, so that parameters such as the air injection amount, the air injection time and the like of the air lift method can be adjusted, and therefore, the change rule of different air lift amounts to each characteristic parameter of the severe slug flow under different flow parameters can be effectively simulated under different slug flow conditions, and the air injection amount of the severe slug flow under different flow parameters can be further sought out by the air lift method.
In this embodiment, the air source 51 may be various devices capable of providing stable air flow, and in this embodiment, the air source 51 includes a compressor 511 and an air storage tank 512, so that stable air supply is possible.
As another embodiment of the present invention, unlike the above embodiment, the air supply assembly in this embodiment further includes a first air flow meter 54 connected to the first air regulating valve 52, and a second air flow meter 55 connected to the second air regulating valve 53, which can effectively and precisely monitor the air injection during the simulation, so as to ensure the control of each parameter during the simulation, thereby effectively ensuring the effectiveness of the simulation.
As another embodiment of the present invention, unlike the above-described embodiment, the circulation assembly in this embodiment includes:
a liquid storage tank 61 having a temperature control member provided therein for controlling the temperature of the liquid therein;
a liquid injection pump 62 connected to the liquid storage tank 61;
a regulating valve 63 connected to the first line 3 to regulate the flow rate.
In the above embodiment, the circulating fluid can be effectively stabilized at a certain temperature by the liquid storage tank 61 with the temperature control, so that the temperature of the underground fluid can be simulated, thereby effectively ensuring the approximation degree of the simulation process and the corresponding underground condition, and simulating the conditions of different fluids at different temperatures.
In this embodiment, there is an external interface at the top and bottom of the liquid storage tank 61, one for injecting liquid and the other for discharging liquid, so as to connect with the first pipeline 3, and in this embodiment, a threaded connection is adopted, and the pipeline size is matched with the interface size, so as to achieve a seamless connection.
As another embodiment of the present invention, unlike the above embodiment, the present embodiment further includes a liquid phase flow meter 64 connected to the regulating valve 63, so that the gas injection in the simulation process can be effectively and precisely monitored, and thus the control of each parameter in the simulation process can be ensured, thereby effectively ensuring the effectiveness of the simulation.
As another embodiment of the present invention, unlike the above embodiment, the present embodiment further includes a photographing member 8 provided at one side of the bending section 43, so as to photograph the fluid state in the analog section 4, and record the flow state in the analog section 4, in this embodiment, the photographing member 8 is a high-speed camera, and the analog section 4 is made of a transparent material, so that high-definition photographing can be effectively performed.
As another embodiment of the present invention, unlike the above embodiment, the present embodiment further includes a pressure gauge 9 disposed on the first pipeline 3, and a computer 10 electrically connected to the pressure gauge 9, the first gas flow meter 54, the second gas flow meter 55, the liquid flow meter 64, and the photographing member 8, so as to implement automatic recording of data, where in this embodiment, the computer 10 is further connected to the first air regulating valve 52, the second air regulating valve 53, the air injection pump 62, the liquid storage tank 61, and the regulating valve 63, so as to implement automatic control, and corresponding parameters such as air injection amount and liquid injection amount can be input in advance, so as to implement automatic control, and ensure experimental accuracy.
When the gas lift method described in the above embodiment is used, the adjusting valve 63 is opened to form a passage, then the liquid injection pump 62 is opened to fill the liquid in the analog section 4 and the first pipeline 3, after the liquid phases in the analog section 4 and the first pipeline 3 are stabilized, the compressor 511 is opened, the first gas adjusting valve 52 is controlled to adjust to a proper gas displacement, and the liquid flow and the gas flow are adjusted through the adjusting valve 63 and the first gas adjusting valve 52, so that a slug flow is formed in the analog section 4, after the fluid state is stabilized, the pressure fluctuation condition of each measuring point and the gas and the liquid flow at the moment are recorded by using the computer, meanwhile, the flow in the pipeline is photographed by using the photographing piece 8, the second gas adjusting valve 53 is slowly adjusted in the flow state in the recording pipeline, the inhibition degree of the severe slug flow is observed at different gas injection rates, a plurality of experiments are performed, and the well inflow state is recorded by using the photographing piece 8; the above steps were then repeated by changing the gas and liquid injection amounts to the displacement required for the next set of experiments. Then, experimental pipelines with different inclination angles beta can be selected, and the steps are repeated.
The invention also provides an experimental method for eliminating upwarp horizontal well section plug flow by the gas method, which is based on the experimental device for eliminating upwarp horizontal well section plug flow by the gas method, and comprises the following steps: the simulation section is filled with liquid through the circulation assembly, gas is injected into the simulation section through the gas supply assembly so that a slug flow is formed in the simulation section, gas is injected into the simulation section through the gas supply assembly, and data are recorded.
According to the experimental method for eliminating upwarp horizontal well slug flow by the gas method, gas and liquid can be injected into the simulation section 4 through the gas supply assembly and the circulation assembly, the upwarp horizontal well is simulated through the inclined section 41, the bending section 43 and the vertical section 42, so that the occurrence of severe slug flow of the upwarp horizontal well is simulated, meanwhile, the relevant condition of eliminating by a gas lift method can be simulated through the gas injection pipe 7, a more accurate method for researching the gas-liquid two-phase flow characteristics in the upwarp horizontal well system can be provided, the change rule of each characteristic parameter of the severe slug flow under different flow parameters is disclosed, and the gas injection quantity of the severe slug flow can be effectively restrained by the gas lift method under different flow parameters, so that the experimental method has great significance for stabilizing the oil field yield and guaranteeing the safety in the horizontal well.
In this embodiment, the experimental method for eliminating upwarp horizontal well slug flow by the air method specifically includes the following steps: further comprises: firstly, the regulating valve 63 is opened to form a passage, then the liquid injection pump 62 is opened to enable the simulation section 4 and the first pipeline 3 to be filled with liquid, after the liquid phases in the simulation section 4 and the first pipeline 3 are stable, the compressor 511 is opened, the first gas regulating valve 52 is controlled to regulate to proper gas discharge capacity, the liquid flow and the gas flow are regulated through the regulating valve 63 and the first gas regulating valve 52, so that a slug flow is formed in the simulation section 4, after the fluid state is stable, the pressure fluctuation condition of each measuring point and the current gas and the liquid flow at the moment are recorded by a computer, meanwhile, the flow state in the pipeline is recorded, the second gas regulating valve 53 is slowly regulated by using the photographing part 8, the inhibition degree of serious slug flow under different gas injection rates is observed, a plurality of experiments are carried out, and the flow state in the well is recorded by the photographing part 8; the above steps were then repeated by changing the gas and liquid injection amounts to the displacement required for the next set of experiments. Then, experimental pipelines with different inclination angles beta can be selected, and the steps are repeated.
The present invention is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present invention without departing from the technical content of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a gas lift method eliminates upwarp horizontal well section plug flow experimental apparatus which characterized in that, including first flange and second flange, with first flange connected's first pipeline, the second flange is located the top of first flange still includes:
the simulation section comprises an inclined section connected with the first flange, a vertical section connected with the second flange and a bending section connected with the vertical section and the inclined section, and the inclined section is inclined downwards along the direction close to the vertical section;
the air supply assembly is connected with the first pipeline so as to inject air into the simulation section;
a circulation assembly connected to the first pipeline for injecting a liquid into the analog section;
one end of the gas injection pipe is connected with the gas supply assembly, the other end of the gas injection pipe is connected with the bending section or the vertical section so as to inject gas into the bending section or the vertical section,
the air supply assembly includes: a gas source is arranged in the air tank,
a first air regulating valve respectively connected with the air source and the first pipeline to control the communication between the air source and the first pipeline,
a second air regulating valve respectively connected with the air source and the air injection pipe for controlling the communication between the air source and the air injection pipe,
the air supply assembly also comprises a first air flow meter connected with the first air regulating valve and a second air flow meter connected with the second air regulating valve,
the circulation assembly includes:
the liquid storage tank is internally provided with a temperature control piece for controlling the temperature of liquid in the liquid storage tank;
the liquid injection pump is connected with the liquid storage tank;
and the regulating valve is connected with the first pipeline to regulate the flow.
2. The gas lift method upwarp elimination horizontal well slug flow experimental device of claim 1, further comprising a liquid phase flow meter connected to the regulating valve.
3. The gas lift method upwarp elimination horizontal well slug flow experimental device according to claim 2, further comprising a shooting piece arranged on one side of the bending section.
4. The gas lift method upwarp elimination horizontal well slug flow experimental device of claim 3, further comprising a pressure gauge disposed on the first pipeline.
5. The gas lift method horizontal well slug flow eliminating experimental device of claim 4, further comprising a computer electrically connected to the pressure gauge, the first gas flow meter, the second gas flow meter, the liquid flow meter and the shooting piece.
6. An experimental method for eliminating upwarp horizontal well slug flow by a gas lift method, which is based on the experimental device for eliminating upwarp horizontal well slug flow by a gas lift method as set forth in any one of claims 1 to 5, and is characterized by comprising: the simulation section is filled with liquid through the circulation assembly, gas is injected into the simulation section through the gas supply assembly so that a slug flow is formed in the simulation section, gas is injected into the simulation section through the gas supply assembly, and data are recorded.
7. The gas lift method of claim 6 for eliminating upwarp horizontal well slug flow experimental method, further comprising: the angle of the inclined section is changed, and/or the gas injection rate of the gas supply assembly into the simulation section is changed to perform a test.
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| FR2822191B1 (en) * | 2001-03-19 | 2003-09-19 | Inst Francais Du Petrole | METHOD AND DEVICE FOR NEUTRALIZING BY CONTROLLED GAS INJECTION, THE FORMATION OF LIQUID CAPS AT THE FOOT OF A RISER CONNECTING TO A POLYPHASIC FLUID CONDUIT |
| US7303008B2 (en) * | 2004-10-26 | 2007-12-04 | Halliburton Energy Services, Inc. | Methods and systems for reverse-circulation cementing in subterranean formations |
| EP1945902B1 (en) * | 2005-09-19 | 2009-07-15 | Bp Exploration Operating Company Limited | Device for controlling slugging |
| CA2623793C (en) * | 2008-03-03 | 2010-11-23 | Schlumberger Canada Limited | Microfluidic apparatus and method for measuring thermo-physical properties of a reservoir fluid |
| US8613313B2 (en) * | 2010-07-19 | 2013-12-24 | Schlumberger Technology Corporation | System and method for reservoir characterization |
| US9175515B2 (en) * | 2010-12-23 | 2015-11-03 | Schlumberger Technology Corporation | Wired mud motor components, methods of fabricating the same, and downhole motors incorporating the same |
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| CN207937143U (en) * | 2018-04-01 | 2018-10-02 | 陈光凌 | A kind of simulation different terrain induces oil and gas multiphase flow the experimental provision of slug flow influence |
| CN109915125A (en) * | 2019-03-27 | 2019-06-21 | 西南石油大学 | A kind of snakelike horizontal well air water, oil-water two-phase flow imitative experimental appliance and method |
| CN112031746A (en) * | 2020-09-08 | 2020-12-04 | 中国石油天然气股份有限公司 | Horizontal well full-wellbore gas-liquid flow visual simulation device and method and parameter selection method |
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