CN114575797A - Automatic pressure regulating system of wellhead jet pump and using method thereof - Google Patents
Automatic pressure regulating system of wellhead jet pump and using method thereof Download PDFInfo
- Publication number
- CN114575797A CN114575797A CN202210139281.3A CN202210139281A CN114575797A CN 114575797 A CN114575797 A CN 114575797A CN 202210139281 A CN202210139281 A CN 202210139281A CN 114575797 A CN114575797 A CN 114575797A
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- pressure
- throttle valve
- jet pump
- adjustable throttle
- remote
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- 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
- E21B43/124—Adaptation of jet-pump systems
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
Abstract
The invention provides an automatic pressure regulating system of a wellhead jet pump and a using method thereof, wherein a high-pressure pipeline is connected with a high-pressure end of the jet pump through a first remote adjustable throttle valve, a first remote transmission pressure gauge and a first remote transmission flowmeter are sequentially arranged on the high-pressure pipeline between the first remote adjustable throttle valve and the high-pressure end of the jet pump, a low-pressure end of the jet pump is communicated with a low-pressure pipeline through a second remote adjustable throttle valve, a third remote transmission pressure gauge and a second remote transmission flowmeter are sequentially arranged on the low-pressure pipeline between the low-pressure end of the jet pump and the second remote adjustable throttle valve, an outlet end of the jet pump is communicated with a gathering pipeline through a fourth remote adjustable throttle valve, and a second remote transmission pressure gauge is arranged on the gathering pipeline between the outlet end of the jet pump and the fourth remote adjustable throttle valve. The system has the characteristics of high automation degree, high adjusting precision and wide application range, and can be widely applied to wellhead pressure adjusting processes of oil wells, gas wells and water injection wells.
Description
Technical Field
The invention relates to the technical field of wellhead pressure adjusting devices, in particular to an automatic pressure adjusting system of a wellhead jet pump and a using method of the automatic pressure adjusting system.
Background
Traditional oil gas well head pressure control adopts glib throttle mode more, utilizes local pressure loss to produce pressure differential, and oil gas well gets into the development middle and later stage formation pressure and constantly descends, and until the well head oil pressure reduces, can't get into gathering pipeline, only reduces the production pressure differential, and the reduction output is in order to maintain production. The jet pump injection principle is utilized to drive low-pressure well fluid to enter a gathering pipeline together after being pressurized by the high-pressure well fluid, the well mouth back pressure can be effectively reduced, the oil well yield is ensured, a jet pump oil extraction well group back pressure reduction integrated device is patented, and the principle is adopted in the patent No. 201520851247.4.
Disclosure of Invention
The invention overcomes the defects in the prior art, the existing wellhead pressure adjusting device has low automation degree and lacks a complete system structure and an adjusting method, and the problems that the jet pump as the core component can not adjust the jet throat ratio and the like, provides an automatic pressure regulating system of a wellhead jet pump and a using method thereof, the system is additionally provided with a data acquisition unit and a data analysis and equipment control device, comprehensively analyzes the pressure flow of each port of the jet pump, the production system is optimized according to the high-pressure well mouth, the low-pressure well mouth and the gathering and transportation pipeline, the optimized result can make the whole system meet the production requirement again and realize the optimal efficiency by adjusting the remote adjustable throttle opening and the jet flow pump throat ratio of each port, the system has the characteristics of high automation degree, high adjusting precision and wide application range, and can be widely applied to wellhead pressure adjusting processes of oil wells, gas wells and water injection wells.
The purpose of the invention is realized by the following technical scheme.
The utility model provides a well head jet pump automatic pressure regulating system, includes high pressure line, jet pump, long-range adjustable throttle valves, low pressure pipeline, gathering pipeline, direct current pipeline, data collection station and data analysis and equipment control device, long-range adjustable throttle valves includes first long-range adjustable throttle valve, the long-range adjustable throttle valve of second, the long-range adjustable throttle valve of third and the long-range adjustable throttle valve of fourth, high pressure line via first long-range adjustable throttle valve with the high-pressure side of jet pump links to each other first long-range adjustable throttle valve with first long-range transmission manometer and first long-range transmission flowmeter have set gradually on the high pressure line between the high-pressure side of jet pump, the low pressure side of jet pump via the long-range adjustable throttle valve of second with the low pressure line is linked together jet pump's low pressure side with set gradually third long-range transmission manometer and second long-range transmission flowmeter on the low pressure line between the long-range adjustable throttle valve of second The outlet end of the jet pump is communicated with the gathering pipeline through the fourth remote adjustable throttle valve, a second remote transmission pressure gauge is arranged on the gathering pipeline between the outlet end of the jet pump and the fourth remote adjustable throttle valve, the low-pressure pipeline behind the second remote adjustable throttle valve is connected with the gathering pipeline behind the fourth remote adjustable throttle valve through the direct-current pipeline, and the third remote adjustable throttle valve is arranged on the direct-current pipeline;
the pressure signal output end of the first remote transmission pressure gauge and the pressure signal output end of the second remote transmission pressure gauge are respectively connected with the pressure signal input end of the data acquisition unit through pressure gauge transmission buses, the flow signal output end of the first remote transmission flowmeter and the flow signal output end of the second remote transmission flowmeter are respectively connected with the flow signal input end of the data acquisition unit through a flowmeter transmission bus, the signal output end of the data acquisition unit is connected with the input end of the data analysis and equipment control device through a data acquisition unit transmission bus, the output end of the data analysis and equipment control device is respectively connected with the jet pump, the first remote adjustable throttle valve, the second remote adjustable throttle valve, the third remote adjustable throttle valve and the fourth remote adjustable throttle valve through a jet pump and a throttle valve control bus.
A using method of an automatic pressure regulating system of a wellhead jet pump is carried out according to the following steps:
when the pressure of an oil-gas well connected with the low-pressure pipeline is greater than the pressure of an oil-gas conveying pipeline, the first remote adjustable throttle valve, the second remote adjustable throttle valve and the fourth remote adjustable throttle valve are closed, the third remote adjustable throttle valve is opened, and the fluid produced by the oil-gas well directly enters the conveying pipeline;
when the pressure of an oil-gas well connected with a low-pressure pipeline is less than the pressure of an oil-gas conveying pipeline, closing a third remote adjustable throttle valve, opening a first remote adjustable throttle valve, a second remote adjustable throttle valve and a fourth remote adjustable throttle valve, enabling a high-pressure gas-liquid source to enter a high-pressure end of a jet pump through a high-pressure pipeline to be fully mixed with the produced fluid of the oil well in a mixing chamber, enabling the original high-pressure gas-liquid pressure to reduce the pressure of the produced fluid of the oil-gas well and increase the pressure of the produced fluid of the oil-gas well to enter a gathering pipeline, acquiring pressure and flow information of the high-pressure end, the low-pressure end and an outlet end of the jet pump in real time in the whole production process, transmitting the pressure and flow information to a data acquisition unit for storage, transmitting the unified data to a data analysis and equipment control device by the data acquisition unit, and adjusting the throttle valves at all ends of the jet pump through comprehensive analysis to control the flow and the pressure, if the nozzle throat ratio of the jet pump at present cannot meet the pressure requirements of the oil-gas conveying pipeline, the flow dividing ratio of the jet pump can be changed by adjusting the adjusting nozzle needle in the nozzle of the jet pump to adapt to the current production system, and finally the efficiency of the system is optimal;
The invention has the beneficial effects that: the invention realizes the reduction of the back pressure of the wellhead of the oil-gas well, and adds the data acquisition unit and the data analysis and equipment control device, thereby enabling the monitoring to be adjusted into automation and enabling the wellhead pressure to be adjusted more accurately and more quickly. Meanwhile, the jet pump is added, the discharge capacity of the system can be adapted by changing the area ratio of the nozzle throat of the jet pump, and the pressure range is wider.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1 is a high pressure pipeline; 2 is a first remote adjustable throttle valve; 3 is a first remote transmission pressure gauge; 4 is a first remote transmission flow meter; 5 is a jet pump; 6 is a second remote transmission pressure gauge; 7 is a third remote transmission pressure gauge; 8 is a second remote transmission flow meter; 9 is a second remote adjustable throttle valve; 10 is a third remote adjustable throttle valve; 11 is a low pressure line; 12 is a fourth remotely adjustable throttle valve; 13 is a gathering pipeline; 14 is a direct current pipeline; 15 is a data acquisition unit; 16 is a data analysis and equipment control device;
a is a flow meter transmission bus; b is a pressure gauge transmission bus; c is a data acquisition unit transmission bus; d is the jet pump and throttle valve control bus.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
A wellhead jet pump automatic pressure regulating system comprises a high-pressure pipeline 1, a jet pump 5, a remote adjustable throttle valve set, a low-pressure pipeline 11, a gathering pipeline 13, a direct-current pipeline 14, a data acquisition unit 15 and a data analysis and equipment control device 16, wherein the remote adjustable throttle valve set comprises a first remote adjustable throttle valve 2, a second remote adjustable throttle valve 9, a third remote adjustable throttle valve 10 and a fourth remote adjustable throttle valve 12, the high-pressure pipeline 1 is connected with the high-pressure end of the jet pump 5 through the first remote adjustable throttle valve 2, a first remote transmission pressure gauge 3 and a first remote transmission flow meter 4 are sequentially arranged on the high-pressure pipeline 1 between the first remote adjustable throttle valve 2 and the high-pressure end of the jet pump 5, the low-pressure end of the jet pump 5 is communicated with the low-pressure pipeline 11 through the second remote adjustable throttle valve 9, and a third remote transmission pressure gauge 7 and a third remote transmission pressure gauge 4 are sequentially arranged on the low-pressure pipeline 11 between the low-pressure end of the jet pump 5 and the second remote adjustable throttle valve 9 The outlet end of the jet pump 5 is communicated with a gathering pipeline 13 through a fourth remote adjustable throttle valve 12, a second remote transmission pressure gauge 6 is arranged on the gathering pipeline 13 between the outlet end of the jet pump 5 and the fourth remote adjustable throttle valve 12, a low-pressure pipeline 11 positioned behind the second remote adjustable throttle valve 9 is connected with the gathering pipeline 13 positioned behind the fourth remote adjustable throttle valve 12 through a direct-current pipeline 14, and a third remote adjustable throttle valve 10 is arranged on the direct-current pipeline 14;
the pressure signal output end of the first remote transmission pressure gauge 3 and the pressure signal output end of the second remote transmission pressure gauge 6 are respectively connected with the pressure signal input end of the data acquisition unit 15 through a pressure gauge transmission bus b, the flow signal output end of the first remote transmission flowmeter 4 and the flow signal output end of the second remote transmission flowmeter 8 are respectively connected with the flow signal input end of a data acquisition unit 15 through a flowmeter transmission bus a, the signal output end of the data acquisition unit 15 is connected with the input end of a data analysis and equipment control device 16 through a data acquisition unit transmission bus c, the output end of the data analysis and device control apparatus 16 is connected to the jet pump 5, the first remote adjustable throttle valve 2, the second remote adjustable throttle valve 9, the third remote adjustable throttle valve 10 and the fourth remote adjustable throttle valve 12 through the jet pump and throttle valve control bus d.
Example two
A using method of an automatic pressure regulating system of a wellhead jet pump is carried out according to the following steps:
when the pressure of an oil-gas well connected with the low-pressure pipeline is greater than the pressure of an oil-gas conveying pipeline, the first remote adjustable throttle valve, the second remote adjustable throttle valve and the fourth remote adjustable throttle valve are closed, the third remote adjustable throttle valve is opened, and the fluid produced by the oil-gas well directly enters the conveying pipeline;
when the pressure of an oil-gas well connected with a low-pressure pipeline is less than the pressure of an oil-gas conveying pipeline, closing a third remote adjustable throttle valve, opening a first remote adjustable throttle valve, a second remote adjustable throttle valve and a fourth remote adjustable throttle valve, enabling a high-pressure gas-liquid source to enter a high-pressure end of a jet pump through a high-pressure pipeline to be fully mixed with the produced fluid of the oil well in a mixing chamber, enabling the original high-pressure gas-liquid pressure to reduce the pressure of the produced fluid of the oil-gas well and increase the pressure of the produced fluid of the oil-gas well to enter a gathering pipeline, acquiring pressure and flow information of the high-pressure end, the low-pressure end and an outlet end of the jet pump in real time in the whole production process, transmitting the pressure and flow information to a data acquisition unit for storage, transmitting the unified data to a data analysis and equipment control device by the data acquisition unit, and adjusting the throttle valves at all ends of the jet pump through comprehensive analysis to control the flow and the pressure, if the nozzle throat ratio of the jet pump at present cannot meet the pressure requirements of the oil-gas conveying pipeline, the flow dividing ratio of the jet pump can be changed by adjusting the adjusting nozzle needle in the nozzle of the jet pump to adapt to the current production system, and finally the efficiency of the system is optimal;
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an orientation of upper and lower. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (2)
1. The utility model provides a well head jet pump automatic pressure regulating system which characterized in that: the remote adjustable throttle valve group comprises a first remote adjustable throttle valve, a second remote adjustable throttle valve, a third remote adjustable throttle valve and a fourth remote adjustable throttle valve, the high-pressure pipeline is connected with the high-pressure end of the jet pump through the first remote adjustable throttle valve, a first remote transmission pressure gauge and a first remote transmission flowmeter are sequentially arranged on the high-pressure pipeline between the first remote adjustable throttle valve and the high-pressure end of the jet pump, the low-pressure end of the jet pump is communicated with the low-pressure pipeline through the second remote adjustable throttle valve, a third remote transmission pressure gauge and a second remote transmission flowmeter are sequentially arranged on the low-pressure pipeline between the low-pressure end of the jet pump and the second remote adjustable throttle valve, the outlet end of the jet pump is communicated with the gathering pipeline through the fourth remote adjustable throttle valve, a second remote transmission pressure gauge is arranged on the gathering pipeline between the outlet end of the jet pump and the fourth remote adjustable throttle valve, the low-pressure pipeline behind the second remote adjustable throttle valve is connected with the gathering pipeline behind the fourth remote adjustable throttle valve through the direct current pipeline, and the third remote adjustable throttle valve is arranged on the direct current pipeline;
the pressure signal output end of the first remote transmission pressure gauge and the pressure signal output end of the second remote transmission pressure gauge are respectively connected with the pressure signal input end of the data acquisition unit through pressure gauge transmission buses, the flow signal output end of the first remote transmission flowmeter and the flow signal output end of the second remote transmission flowmeter are respectively connected with the flow signal input end of the data acquisition unit through a flowmeter transmission bus, the signal output end of the data acquisition unit is connected with the input end of the data analysis and equipment control device through a data acquisition unit transmission bus, the output end of the data analysis and equipment control device is respectively connected with the jet pump, the first remote adjustable throttle valve, the second remote adjustable throttle valve, the third remote adjustable throttle valve and the fourth remote adjustable throttle valve through a jet pump and a throttle valve control bus.
2. The use method of the automatic pressure regulating system of the wellhead jet pump according to claim 1, characterized in that: the method comprises the following steps:
step 1, when the wellhead is used for reducing back pressure: the high-pressure pipeline is connected with a high-pressure gas liquid source, the low-pressure pipeline is connected with the wellhead of the oil-gas well, and the gathering pipeline is connected with the oil-gas pipeline;
when the pressure of an oil-gas well connected with the low-pressure pipeline is greater than the pressure of an oil-gas conveying pipeline, the first remote adjustable throttle valve, the second remote adjustable throttle valve and the fourth remote adjustable throttle valve are closed, the third remote adjustable throttle valve is opened, and the fluid produced by the oil-gas well directly enters the conveying pipeline;
when the pressure of an oil-gas well connected with a low-pressure pipeline is less than the pressure of an oil-gas conveying pipeline, closing a third remote adjustable throttle valve, opening a first remote adjustable throttle valve, a second remote adjustable throttle valve and a fourth remote adjustable throttle valve, enabling a high-pressure gas-liquid source to enter a high-pressure end of a jet pump through a high-pressure pipeline to be fully mixed with the produced fluid of the oil well in a mixing chamber, enabling the original high-pressure gas-liquid pressure to reduce the pressure of the produced fluid of the oil-gas well and increase the pressure of the produced fluid of the oil-gas well to enter a gathering pipeline, acquiring pressure and flow information of the high-pressure end, the low-pressure end and an outlet end of the jet pump in real time in the whole production process, transmitting the pressure and flow information to a data acquisition unit for storage, transmitting the unified data to a data analysis and equipment control device by the data acquisition unit, and adjusting the throttle valves at all ends of the jet pump through comprehensive analysis to control the flow and the pressure, if the nozzle throat ratio of the jet pump at present cannot meet the pressure requirements of the oil-gas conveying pipeline, the flow dividing ratio of the jet pump can be changed by adjusting the adjusting nozzle needle in the nozzle of the jet pump to adapt to the current production system, and finally the efficiency of the system is optimal;
step 2, when the pressure of the water injection well is regulated: the high-pressure pipeline is connected with a pressurized high-pressure water source, the low-pressure pipeline is connected with an unpressurized water storage tank, the gathering and transportation pipeline is connected with a water well needing water injection, when the system operates, the third remote adjustable throttle valve is closed, the first remote adjustable throttle valve, the second remote adjustable throttle valve and the fourth remote adjustable throttle valve are opened, the high-pressure water source enters the high-pressure end of the jet pump through the high-pressure pipeline, the unpressurized water entering the high-pressure end of the jet pump through the low-pressure end of the jet pump is fully mixed in the mixing chamber, the original high-pressure gas-liquid pressure is reduced, the unpressurized water pressure is increased and enters the gathering and transportation pipeline, the system can acquire the pressure and flow information of the injected water at the high-pressure end, the low-pressure end and the outlet end of the jet pump in real time in the whole production process and transmit the pressure and flow information to the data acquisition unit for storage, the data acquisition unit transmits the unified data to the data analysis and equipment control device, and the throttle valves at each end of the jet pump are adjusted through comprehensive analysis to configure the control flow and control of the flow to form the injected water with a certain pressure and flow The water source, if the current jet pump nozzle throat ratio, can not adapt to the requirements of high pressure water source and non-pressurized water source and pressure and flow rate of water injection well injection, and can also adapt to the current water injection system by adjusting the adjusting nozzle needle in the nozzle of the jet pump to change the flow dividing ratio of the jet pump, finally realizing the optimal efficiency of the system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210139281.3A CN114575797A (en) | 2022-02-15 | 2022-02-15 | Automatic pressure regulating system of wellhead jet pump and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210139281.3A CN114575797A (en) | 2022-02-15 | 2022-02-15 | Automatic pressure regulating system of wellhead jet pump and using method thereof |
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| CN114575797A true CN114575797A (en) | 2022-06-03 |
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| CN202210139281.3A Pending CN114575797A (en) | 2022-02-15 | 2022-02-15 | Automatic pressure regulating system of wellhead jet pump and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024058779A1 (en) * | 2022-09-15 | 2024-03-21 | Chevron U.S.A. Inc. | Enhanced subsea production recovery using subsea jet pumps |
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| CN110593799A (en) * | 2019-09-06 | 2019-12-20 | 中国石油集团西部钻探工程有限公司 | Concentric tube jet pump drainage gas production wellhead device and drainage gas production method thereof |
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| CN215108858U (en) * | 2021-04-20 | 2021-12-10 | 中国石油化工股份有限公司 | Low-liquid-volume oil well casing gas recovery system |
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| US20110240298A1 (en) * | 2008-10-07 | 2011-10-06 | Eni S.P.A. | Wellhead valve system for adjusting the flow with integrated multiphase flow rate measuring ability |
| CN102817600A (en) * | 2012-08-30 | 2012-12-12 | 中国海洋石油总公司 | Jet flow pressure regulating device of water injection well |
| CN104712591A (en) * | 2015-01-28 | 2015-06-17 | 中国海洋石油总公司 | Adjustable jet pump |
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| CN106968653A (en) * | 2017-03-28 | 2017-07-21 | 中海石油(中国)有限公司 | Offshore platform adjustable jet pump flood pattern and its control device and control method |
| CN107420084A (en) * | 2017-07-18 | 2017-12-01 | 中国海洋石油总公司 | A kind of real-time monitoring underground gas-liquid separation combined artificial lift system of Suspensible |
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| CN110593799A (en) * | 2019-09-06 | 2019-12-20 | 中国石油集团西部钻探工程有限公司 | Concentric tube jet pump drainage gas production wellhead device and drainage gas production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024058779A1 (en) * | 2022-09-15 | 2024-03-21 | Chevron U.S.A. Inc. | Enhanced subsea production recovery using subsea jet pumps |
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