CN200971772Y - Relay plunger gas-life oil or gas production device - Google Patents
Relay plunger gas-life oil or gas production device Download PDFInfo
- Publication number
- CN200971772Y CN200971772Y CN 200620036229 CN200620036229U CN200971772Y CN 200971772 Y CN200971772 Y CN 200971772Y CN 200620036229 CN200620036229 CN 200620036229 CN 200620036229 U CN200620036229 U CN 200620036229U CN 200971772 Y CN200971772 Y CN 200971772Y
- Authority
- CN
- China
- Prior art keywords
- plunger
- small
- big
- tubing
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Chairs Characterized By Structure (AREA)
Abstract
The utility model relates to a gas lift production device for the field of recovery of oil and natural gas, in particular to a relay type plunger of high gas liquid ratio wells, which is applicable to the plunger lift of combined tubing of two diameters with the upper one bigger and the lower smaller, therefore enlarges the application range of the technics of plunger lift. The utility model is mainly composed of a well top part, a part under the well and a plunger, which is characterized in that the tubing is a combined tubing with the upper of the inside diameter bigger and the lower smaller, a buffer spring and a tubing clipping fixing machine of the part under the well are arranged on the small tubing of the lower part, a relay type plunger is formed by connecting a big plunger and a small plunger through a petal shape spring claw, the big plunger is arranged in the small tubing of the lower part, the big plunger is hollowed and can be automatically dislocated and connected with an abutting joint on the small plunger which is arranged in the small tubing of the lower part, the small plunger is lifted in the small tubing which is further lifted in the tubing with bigger diameter after jointing with the big plunger, the dislocating and connecting of the big and the small plungers are realized automatically depending on inertia force, therefore makes full use of gas yielding from the stratum to drive the plunder to move to extract oil or produce gas with drainage.
Description
Technical field
The utility model relates to a kind of petroleum and natural gas exploitation field that is used for, particularly at the relay-type plunger lift oil recovery device of air of high gas-liquid ratio well.
Background technology
In the oil and natural gas production practice, plunger lift is a kind of important artificial lifting way.Abroad as far back as nineteen fifties just the someone be engaged in the research of plunger lift method for designing; Nineteen sixty-five, the FOX of the U.S. and Gao Er (Foss; Gaul) sum up the experimental data of the 85 oral pillar plug gaslift oil wells of (Ventura) oil field use 7 " sleeve pipe 2 " oil pipe in the venturi, proposed cover semiempirical plunger lift method for designing, i.e. a FOX-Gao Er method for designing.After plunger lift technology is achieved success abroad, this technology has obtained more widely propaganda at home as important artificial lift technology, and to the structure of plunger, the characteristics of motion, optimal design, recover the oil and the water pumping gas production well in application etc. carried out than extensive studies.
Plunger lift explained hereafter flow process basic composition is: the well head part, mainly comprise controller, pneumatic operated valve, blowout prevention box, damping spring, the down-hole part: mainly comprise oil pipe, buffer spring, oil pipe fastener, and between well head and down-hole reciprocating plunger.The principle of plunger lift is: after the tubing and casing annular pressure is elevated to certain value or interval certain hour, open pneumatic operated valve by controller, the above gas of oil pipe inner plunger is discharged immediately, form the system of oil jacket annular space high pressure, oil pipe low pressure, at the differential pressure action lower plunger from oil pipe bottom to the well head motion, thereby with the make progress lifting and discharge of the above liquid of plunger by pneumatic operated valve; After arriving well head, plunger will rest on certain hour in the blowout prevention box, so that the gas in the pit shaft, liquid are fully discharged; After closing pneumatic operated valve in time controller or pressure controller effect ShiShimonoseki, plunger falls to the oil pipe bottom under its deadweight effect fastener and buffering spring place wait for lifting next time.
The great advantage of plunger lift technology is to make full use of the stratum self-energy, both can rely on stratum aerogenesis lifting fully, also can have compliance preferably for high gas-oil ratio (HGOR) oil well and water pumping gas production well, obtain certain application at home and abroad from the auxiliary gas injection of annular space.
But from documents and materials both domestic and external, present plunger lift all is that structure, the characteristics of motion of plunger in same model oil pipe studied and used, and just existing plunger is an integral body, and plunger lift technology can only be applied in the oil pipe of same internal diameter.Along with the use of making up oil pipe (internal diameter is up big and down small) in the deep-well, existing plunger lift technology can only be used for the top oil pipe, has not yet to see the plunger lift technology that acts on simultaneously in up big and down small two kinds of combination oil pipes and the report of device.
Summary of the invention
The purpose of this utility model is: in order to overcome the deficiencies in the prior art, enlarge the scope of application of plunger lift technology, be applicable to the plunger lift of the combination oil pipe of up big and down small two kinds of diameters, the spy provides a kind of relay-type plunger lift oil recovery device of air.
In order to achieve the above object, the utility model by the following technical solutions.A kind of relay-type plunger lift oil recovery device of air, mainly form by well head part, down-hole part and plunger three parts, its technical characterictic is: the controller of well head part connects the control pneumatic operated valve, blowout prevention box and relay-type plunger link, damping spring is installed in above the blowout prevention box, is used for the up buffering of plunger; Oil pipe is the up big and down small major diameter oil pipe of internal diameter, minor diameter tubing combination tubing string, and the buffer spring of down-hole part, oil pipe fastener are installed in the minor diameter tubing of bottom, and the relay-type plunger is made up of big plunger and small plunger; Big plunger is installed in the major diameter oil pipe of top, big plunger hollow and bottom band spring-loaded pawl stopper slot, solid small plunger top is the flap spring-loaded pawl, the free diameter d of small plunger upper spring claw is greater than the huge pillar inlet diameter D1 of stopper slot beyond the Great Wall, the free diameter d of spring-loaded pawl is simultaneously less than stopper slot major diameter D2, and small plunger takes off automatically, connects with big plunger by the stressed effect of spring-loaded pawl and stopper slot; Small plunger is installed in the minor diameter tubing of bottom, and when small plunger rose to the big plunger place that stays big or small tubing coupling place in little oil pipe, coexisting with big plunger automatic butt and upwards moved to well head in the Big Inch; Big plunger stopped when small one and large one plunger after the butt joint moved to major diameter oil pipe bottom downwards in the major diameter oil pipe, and small plunger relies on inertia force to deviate from automatically and continue and moves downwards in minor diameter tubing.Small plunger breaks away from the big plunger centre bore in back with big plunger and opens fully; Small plunger docks the big plunger centre bore complete closed in back with big plunger.
The course of work of the present utility model is achieved in that descends certain position in the little oil pipe of bottom with oil pipe fastener and buffering spring, to put into the blowout prevention box after the big small plunger series connection, plunger lift is installed controller, pneumatic operated valve, blowout prevention box, damping spring at well head routinely.When pneumatic operated valve cuts out, the relay-type plunger is falling in the Big Inch of top under the deadweight effect, spacing to big plunger when arriving big or small tubing coupling place, big plunger stops, small plunger then breaks away from big plunger under the inertia force effect, big plunger central gas stream passage after the disengaging is opened fully, and the small plunger after the disengaging continues to fall to fastener and buffering spring place in the little oil pipe of bottom.After oil, sleeve pipe internal pressure rise to certain value, under pressure or time controller effect, open pneumatic operated valve automatically, the above gas of oil pipe inner plunger is discharged immediately, form the system of tubing and casing annular space high pressure, oil pipe low pressure,, this pressure reduction unimpeded owing to big plunger centre gangway can not make big plunger motion keep inactive state, solid small plunger then moves upward under differential pressure action, and the liquid more than the small plunger in the little oil pipe is discharged.When small plunger goes upward to big plunger place, the above liquid of small plunger is transferred to more than the big plunger, up inertia force makes small plunger dock and stop up big plunger central flow channel with big plunger, finish the relay between small plunger and big plunger, big small plunger under differential pressure action in the Big Inch of top toward the motion of well head direction, thereby with the make progress lifting and discharge of the above liquid of plunger by tubing valve; After arriving well head, plunger will rest on certain hour in the blowout prevention box, so that the gas in the pit shaft, liquid are fully discharged; After closing tubing valve under time controller or the pressure controller effect, plunger falls under its deadweight effect, waits for lifting next time.
Compared with prior art, the utlity model has following beneficial effect: (1) is applicable to the plunger lift of the combination oil pipe that two kinds of diameters of employing are different, has enlarged the scope of application of plunger lift technology; (2) small plunger lifting in minor diameter tubing, small plunger docks back lifting in the major diameter oil pipe with big plunger, and uncoupling little, big plunger relies on inertia force to realize automatically; (3) make full use of stratum output gas promotion plunger motion and recover the oil or water pumping gas production, energy conservation, this device can be widely used in the petroleum and natural gas exploitation field.
Description of drawings
The relay-type plunger lift oil recovery device of air structural representation that Fig. 1 provides for the utility model.Among the figure: 1. controller, 2. pneumatic operated valve, 3. blowout prevention box, 4. damping spring, 5. major diameter oil pipe, 6. minor diameter tubing, 7. buffer spring, 8. fastener, 9. big plunger, 10. small plunger.
Fig. 2 installs the structural representation of big plunger 9 for this.
Fig. 3 is the structural representation of this device small plunger 10.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
According to shown in Figure 1, the controller 1 of well head part is controlled the opening and closing of pneumatic operated valve 2 automatically by time or pressure; Blowout prevention box 3 is used for receiving or placing the relay-type plunger; Buffering when damping spring 4 is used for plunger and goes upward to blowout prevention box 3.The tubing string of down-hole part is combined by top major diameter oil pipe 5 and bottom minor diameter tubing 6 two-stage oil pipes.Plunger is made up of with small plunger 10 big plunger 9, and big plunger 9 can be thrown off and be dynamically connected certainly in the motion process in oil pipe automatically with small plunger 10.Fastener 8 is transferred to bottom minor diameter tubing 6 interior certain positions with the location, bottom as small plunger 10 by the wire rope operation, the buffering when buffer spring 7 is used for small plunger 10 arrival fasteners 8.
When using this relay-type plunger lift, pneumatic operated valve 2 cuts out under controller 1 effect, big plunger 9 after the butt joint is integral falling in top Big Inch 5 under the deadweight effect with small plunger 10, when arriving Big Inch 5 bottoms, because big little oil pipe combination coupling is spacing, big plunger 9 stops, small plunger 10 breaks away from automatically with big plunger 9 under the inertia force effect, big plunger 9 central gas stream passages after the disengaging are opened fully, and the small plunger 10 after the disengaging continues to fall to fastener 8 and buffering spring 7 places in bottom little oil pipe 6.When under controller 1 effect, opening pneumatic operated valve 2 automatically, small plunger 10 moves upward under differential pressure action, the liquid of small plunger more than 10 in the little oil pipe 6 is discharged by big plunger 9 centre bores, when small plunger 10 goes upward to big plunger 9 places, small plunger 10 is dynamically connected certainly by the flap spring-loaded pawl with big plunger 9 and seals big plunger 9 central passages and finish relay, big plunger 9 is integral under differential pressure action with small plunger 10 and moves toward the well head direction in top Big Inch 5, thereby, after plunger arrives well head, will rest on and wait for whereabouts next time blowout prevention box 3 in the make progress lifting and discharge of the above liquid of Big Inch 5 inner plunger by tubing valve.
Claims (2)
1. a relay-type plunger lift oil recovery device of air mainly is made up of well head part, down-hole part and plunger three parts, it is characterized in that: the controller of well head part connects pneumatic operated valve, and blowout prevention box and relay-type plunger link, and damping spring is installed in above the blowout prevention box; Oil pipe is the up big and down small major diameter oil pipe of internal diameter, minor diameter tubing combination tubing string, and the buffer spring of down-hole part, oil pipe fastener are installed in the minor diameter tubing of bottom; The relay-type plunger is connected by the flap spring-loaded pawl by between big plunger and small plunger, and big plunger is installed in the major diameter oil pipe of top, and big plunger hollow also can take off automatically with the banjo fixing butt jointing on the small plunger, connect, and small plunger is installed in the minor diameter tubing of bottom.
2. gas-lift production device of air according to claim 1 is characterized in that: there is a duct at big plunger center, and the bottom is the stopper slot of spring-loaded pawl; The small plunger center is solid, and top is the flap spring-loaded pawl; Spring-loaded pawl on the small plunger and huge pillar stopper slot beyond the Great Wall can take off automatically, connect, and can open, seal big plunger central duct automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620036229 CN200971772Y (en) | 2006-11-09 | 2006-11-09 | Relay plunger gas-life oil or gas production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620036229 CN200971772Y (en) | 2006-11-09 | 2006-11-09 | Relay plunger gas-life oil or gas production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200971772Y true CN200971772Y (en) | 2007-11-07 |
Family
ID=38883028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620036229 Expired - Fee Related CN200971772Y (en) | 2006-11-09 | 2006-11-09 | Relay plunger gas-life oil or gas production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200971772Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858330A (en) * | 2010-05-18 | 2010-10-13 | 中国石油天然气股份有限公司 | Drainage gas production plunger in gas well |
| CN102518427A (en) * | 2011-12-06 | 2012-06-27 | 中国石油天然气股份有限公司 | System for tracking running state of underground plunger for gas production and working method thereof |
| CN103670336A (en) * | 2012-09-18 | 2014-03-26 | 中国石油天然气股份有限公司 | Medium- and shallow-gas well drainage technique pipe and drainage method |
| CN103899279A (en) * | 2014-03-27 | 2014-07-02 | 西南石油大学 | Novel plunger applicable to sand-producing fluid-producing gas well plunger lifting techniques |
| CN104499997A (en) * | 2014-12-15 | 2015-04-08 | 中国石油天然气股份有限公司 | Plunger gas lifting down-hole buffering device |
| CN105201817A (en) * | 2015-10-15 | 2015-12-30 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Split type plunger without base and liquid drainage gas recovery process |
| CN105386739A (en) * | 2015-08-26 | 2016-03-09 | 西安奥腾石油工程技术服务有限公司 | Special wellhead ball throwing lubricator for plunger gas-lift well |
| CN105604525A (en) * | 2015-12-16 | 2016-05-25 | 中国石油天然气股份有限公司 | Multistage plunger gas lifting device for combined tubular column and process |
| CN108071364A (en) * | 2016-11-12 | 2018-05-25 | 肖蔚然 | A kind of controllable device of gas well water pumping gas production |
| CN108240217A (en) * | 2016-12-26 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of test plunger to recover the oil for plunger lift and test system |
| CN108240216A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of gas-lift production plunger run time test device and method |
| CN108457850A (en) * | 2018-06-04 | 2018-08-28 | 四川理工学院 | A kind of Plunger Lift test experience device and test experience method |
| CN110593823A (en) * | 2019-10-18 | 2019-12-20 | 中国石油集团西部钻探工程有限公司 | Uninterrupted plunger water drainage gas production device and uninterrupted plunger water drainage gas production method |
| CN112302554A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Downhole clamping device and tubular column |
| CN114059973A (en) * | 2021-11-25 | 2022-02-18 | 祥业能源有限公司 | Oil gas well drainage device |
| CN117052355A (en) * | 2023-10-10 | 2023-11-14 | 大庆鑫得丰石油技术有限公司 | Plunger lifting oil-gas well wellhead device |
-
2006
- 2006-11-09 CN CN 200620036229 patent/CN200971772Y/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858330B (en) * | 2010-05-18 | 2013-07-03 | 中国石油天然气股份有限公司 | Drainage gas production plunger in gas well |
| CN101858330A (en) * | 2010-05-18 | 2010-10-13 | 中国石油天然气股份有限公司 | Drainage gas production plunger in gas well |
| CN102518427A (en) * | 2011-12-06 | 2012-06-27 | 中国石油天然气股份有限公司 | System for tracking running state of underground plunger for gas production and working method thereof |
| CN103670336A (en) * | 2012-09-18 | 2014-03-26 | 中国石油天然气股份有限公司 | Medium- and shallow-gas well drainage technique pipe and drainage method |
| CN103670336B (en) * | 2012-09-18 | 2016-06-08 | 中国石油天然气股份有限公司 | Middle-shallow layer gas well fluid-discharge technology tubing string and fluid-discharge method |
| CN103899279A (en) * | 2014-03-27 | 2014-07-02 | 西南石油大学 | Novel plunger applicable to sand-producing fluid-producing gas well plunger lifting techniques |
| CN103899279B (en) * | 2014-03-27 | 2016-03-23 | 西南石油大学 | Be suitable for shaking out the Novel plunger of production fluid gas well Plunger Lift technique |
| CN104499997B (en) * | 2014-12-15 | 2017-06-13 | 中国石油天然气股份有限公司 | A kind of plunger lift down-hole buffering mechanism |
| CN104499997A (en) * | 2014-12-15 | 2015-04-08 | 中国石油天然气股份有限公司 | Plunger gas lifting down-hole buffering device |
| CN105386739B (en) * | 2015-08-26 | 2018-08-21 | 西安奥腾石油工程技术服务有限公司 | A kind of plunger lift well Special wellhead pitching lubricator |
| CN105386739A (en) * | 2015-08-26 | 2016-03-09 | 西安奥腾石油工程技术服务有限公司 | Special wellhead ball throwing lubricator for plunger gas-lift well |
| CN105201817A (en) * | 2015-10-15 | 2015-12-30 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Split type plunger without base and liquid drainage gas recovery process |
| CN105604525A (en) * | 2015-12-16 | 2016-05-25 | 中国石油天然气股份有限公司 | Multistage plunger gas lifting device for combined tubular column and process |
| CN108071364A (en) * | 2016-11-12 | 2018-05-25 | 肖蔚然 | A kind of controllable device of gas well water pumping gas production |
| CN108240217A (en) * | 2016-12-26 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of test plunger to recover the oil for plunger lift and test system |
| CN108240217B (en) * | 2016-12-26 | 2021-07-02 | 中国石油天然气股份有限公司 | Test plunger and test system for plunger gas lift oil extraction |
| CN108240216A (en) * | 2016-12-27 | 2018-07-03 | 中国石油天然气股份有限公司 | A kind of gas-lift production plunger run time test device and method |
| CN108457850A (en) * | 2018-06-04 | 2018-08-28 | 四川理工学院 | A kind of Plunger Lift test experience device and test experience method |
| CN108457850B (en) * | 2018-06-04 | 2024-05-28 | 四川理工学院 | Plunger lifting detection experimental device and detection experimental method |
| CN112302554A (en) * | 2019-07-29 | 2021-02-02 | 中国石油化工股份有限公司 | Downhole clamping device and tubular column |
| CN112302554B (en) * | 2019-07-29 | 2023-06-20 | 中国石油化工股份有限公司 | Underground clamping device and tubular column |
| CN110593823A (en) * | 2019-10-18 | 2019-12-20 | 中国石油集团西部钻探工程有限公司 | Uninterrupted plunger water drainage gas production device and uninterrupted plunger water drainage gas production method |
| CN114059973A (en) * | 2021-11-25 | 2022-02-18 | 祥业能源有限公司 | Oil gas well drainage device |
| CN117052355A (en) * | 2023-10-10 | 2023-11-14 | 大庆鑫得丰石油技术有限公司 | Plunger lifting oil-gas well wellhead device |
| CN117052355B (en) * | 2023-10-10 | 2024-01-26 | 大庆鑫得丰石油技术有限公司 | Plunger lifting oil-gas well wellhead device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200971772Y (en) | Relay plunger gas-life oil or gas production device | |
| CN201884015U (en) | Liquid drainage and gas production system for gas wells | |
| CN104074494B (en) | Combination type well casing gas recovery device | |
| CN201041023Y (en) | Gas and liquid mixed injection method for liquid level-reducing jet-inducing construction device | |
| CN100346053C (en) | Automatic boosting oil production and liquid discharge gas producing device and method for underwell gas | |
| CN212671653U (en) | Wellhead assembly suitable for plunger gas lift drainage gas production | |
| CN111594087A (en) | Wellhead device suitable for plunger gas lift drainage gas production and operation method thereof | |
| CN210196000U (en) | Split type plunger device capable of continuously and automatically discharging liquid | |
| CN201254969Y (en) | Blowout prevention controller | |
| CN206376780U (en) | Plunger lift fastener | |
| CN2828309Y (en) | Automatic water drainage gas production device of coal-bed gas well | |
| CN209370027U (en) | Offset layer mining oil-well pump | |
| CN2886127Y (en) | Sand-block-proof solid plunger rod type oil well pump | |
| CN201212375Y (en) | Check valve | |
| CN2489114Y (en) | Oil pipe pumping type well pump | |
| CN207315320U (en) | Speed carries effect Guan Tixiao lifting devices under a kind of pumping unit well pump | |
| CN213116256U (en) | Be applicable to shale gas well compressor gas lift wellhead assembly | |
| CN2718257Y (en) | Inforced double-runner oil producing device by layer | |
| CN201057022Y (en) | Sliding bush switch | |
| CN205719486U (en) | A kind of experiment test system of the blockage resisting punching screen casing of improvement | |
| CN2779108Y (en) | Solid plunger rod type oil-well pump | |
| CN203961928U (en) | Open-hole horizontal well acid cleaning filling device | |
| CN109667567A (en) | Speed proposes effect Guan Tixiao lifting device and method under a kind of pumping unit well pump | |
| CN209195354U (en) | A kind of storm valve is opened and locking tool | |
| CN202215201U (en) | Open-close valve for natural gas wellhead pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071107 Termination date: 20101109 |