CN104533351A - Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management - Google Patents
Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management Download PDFInfo
- Publication number
- CN104533351A CN104533351A CN201410811006.7A CN201410811006A CN104533351A CN 104533351 A CN104533351 A CN 104533351A CN 201410811006 A CN201410811006 A CN 201410811006A CN 104533351 A CN104533351 A CN 104533351A
- Authority
- CN
- China
- Prior art keywords
- flexible rod
- pump barrel
- swabbing
- fixed pulley
- bailing
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 8
- 238000011161 development Methods 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 241000191291 Abies alba Species 0.000 abstract 3
- 239000003921 oil Substances 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 238000005086 pumping Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000000739 chaotic effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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
- E21B43/126—Adaptations of down-hole pump systems powered by drives outside the borehole, e.g. by a rotary or oscillating drive
-
- 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
- E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management. The multifunctional swabbing and bailing lift device comprises a ground device and an underground device. The ground device and the underground device are connected. The output end of a winch in the ground device is connected with a rotation shaft of a roller, a flexible sucker rod is wound around the roller, a Christmas tree is fixed to a well mouth, a support is fixed to the Christmas tree, a fixed pulley is fixed to the top of the support, and after being wound around the fixed pulley and entering the support, the flexible sucker rod penetrates through the Christmas tree to be connected with the underground device. A traveling valve is arranged in a plunger in the underground device. A fixed valve is arranged in an oil pipe, and the flexible sucker rod is connected with a weighted lever. The multifunctional swabbing and bailing lift device further comprises a load sensor located on the fixed pulley, a position sensor and a test sensor. According to the multifunctional swabbing and bailing lift device, the multiple sensors are arranged and used for collecting work state parameters, and the multifunctional swabbing and bailing lift device provides structural supporting for dynamic management of underground swabbing and bailing operation.
Description
Technical field
The present invention relates to oil recovery machiner device technique field, particularly relate to and a kind ofly drag for multi-functional pumping means for oil extraction in oil field or taking out of coal bed gas water pumping gas production.
Background technology
At present, the artificial lift Main Means that oil field and coal bed gas field adopt has: sucker rod pump, submersible electric pump, screw pump, bailing, gaslift and hydraulic pump etc., wherein mechanical oil well accounts for more than 98%.Along with the technical development in oil recovery machiner field, by the variation of traditional beam pumping unit leading oil production equipment till now type, such as belt type pumping unit, hydraulic oil pumping unit, screw pump, hydraulic jet pump, linear motor oil pumping machine, drag for oil machine, electric submersible centrifugal pump, electric submersible oil reciprocation pump, electric oil submerged screw pump etc.All these equipment are by engineer's working system, and in advance operational outfit after adjustment swabbing parameter, is lifted to ground through down-hole pump by well liquid, and equipment itself cannot the various parameters of Real-time Obtaining duty, and dynamic management cannot be realized.The stroke limitation of artificial lift equipment is also a great problem of puzzlement Petroleum Machinery Design personnel, and needing in produced on-site will be quite large more than the oil pumper manufacture difficulty of 12 meters of strokes.
Summary of the invention
Namely object of the present invention is to overcome the deficiencies in the prior art, and providing a kind of the length of stroke of applicable Production development intelligent management of the various working status parameter of Real-time Obtaining can reach more than 200 meters or complete taking out of stroke and drag for multi-functional lifting device.
Object of the present invention is achieved through the following technical solutions:
A multi-functional lifting device is dragged in taking out of applicable Production development intelligent management, comprises interconnective ground installation and downhole hardware; Ground installation comprises hoist engine, cylinder, flexible rod, support, fixed pulley and production tree; The output of hoist engine is connected with the rotating shaft of cylinder, flexible rod is wrapped on cylinder, and production tree is fixed on well head, and support is fixed on production tree, fixed pulley is fixed on cradle top, and flexible rod is walked around after fixed pulley enters support and is connected with downhole hardware through production tree; Downhole hardware comprises the weighted lever of interdependent connection from top to bottom, plunger, pump barrel and pump barrel annex, and arrange travelling valve in plunger, pump barrel annex is connected with pump barrel, arranges standing valve in pump barrel annex; Flexible rod is connected with weighted lever; Also comprise the load transducer be arranged on described fixed pulley; Also comprise the position sensor be arranged on described well head; Also comprise the testing sensor being arranged at described its upper end.
Load transducer, position sensor, testing sensor is provided with in the present invention.The sensor is used for collection work state parameter.The present invention is that down-hole is taken out the dynamic management of dragging for operation and provided structural support.
Further, also comprise and be arranged at the other rope winding jib of described cylinder, described flexible rod walks around described fixed pulley after walking around rope winding jib.
Rope winding jib is set, can make flexible rod neat be wrapped on cylinder, prevent flexible rod that cylinder is wound around chaotic, mutually tangle.
Further, preventer is provided with between the top of described flexible rod and described production tree.
Preventer is for preventing well liquid or water by the gap ejection between flexible rod and production tree.
Further, the oil storage tank be connected with the oil-out of described production tree is also comprised.
Further, described flexible rod is connected by snap joint with described weighted lever.
Further, also comprise and the screen casing be connected bottom described pump barrel annex.
Further, the multistage connection of described pump barrel, is connected with tubing hanger above, is connected below with pump barrel annex and standing valve.
Screen casing is set, prevents the impurity in well from entering the present invention, improve functional reliability of the present invention and working life.
In sum, advantage of the present invention and beneficial effect are:
1. be provided with load transducer, position sensor, pressure sensor, liquid level sensor and temperature pick up in the present invention.The sensor is used for collection work state parameter, and the present invention is that down-hole is taken out the dynamic management of dragging for operation and provided structural support;
2. rope winding jib is set, can make flexible rod neat be wrapped on cylinder, prevent flexible rod that cylinder is wound around chaotic, mutually tangle;
3. arrange preventer, preventer is for preventing well liquid or water by the gap ejection between flexible rod and production tree;
4. multistage pump barrel is set, the present invention can be made to drag for operation provide ultra-long-stroke or full stroke operation for down-hole is taken out, effectively improve the production efficiency of taking out and dragging for operation.
5. screen casing is set, prevents the impurity in well from entering the present invention, improve functional reliability of the present invention and working life.
Accompanying drawing explanation
In order to be illustrated more clearly in embodiments of the invention, be briefly described to the accompanying drawing used required for describing in the embodiment of the present invention below.Apparent, the accompanying drawing in the following describes is only some embodiments recorded in the present invention, for a person skilled in the art, when not paying creative work, according to accompanying drawing below, can also obtain other accompanying drawing.
Fig. 1 is the structural representation of ground installation of the present invention;
Fig. 2 is the structural representation of downhole hardware of the present invention;
Fig. 3 is the top view of ground installation of the present invention;
Wherein, the component title that Reference numeral is corresponding is as follows:
1-hoist engine, 2-cylinder, 3-rope winding jib, 4-flexible rod, 5-fixed pulley, 6-support, 7-preventer, 8-flange, 9-production tree, 10-oil storage tank, 11-well head, 12-joint, 13-weighted lever, 14-pump barrel, 15-travelling valve, 16-pump barrel annex, 17-standing valve, 18-screen casing, 19-plunger, 20-tubing hanger, 21-testing sensor.
Detailed description of the invention
In order to make those skilled in the art understand the present invention better, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.Apparent, embodiment described below is only the part in the embodiment of the present invention, instead of all.Based on the embodiment that the present invention records, other all embodiment that those skilled in the art obtain when not paying creative work, all in the scope of protection of the invention.
Embodiment 1:
As shown in FIG. 1 to 3, a kind of taking out of applicable Production development intelligent management drags for multi-functional lifting device, comprises interconnective ground installation and downhole hardware; Ground installation comprises hoist engine 1, cylinder 2, flexible rod 4, support 6, fixed pulley 5 and production tree 9; The output of hoist engine 1 is connected with the rotating shaft of cylinder 2, flexible rod 4 is wrapped on cylinder 2, production tree 9 is fixed on well head 11, support 6 is fixed on production tree 9, fixed pulley 5 is fixed on support 6 top, and flexible rod 4 is walked around after fixed pulley 5 enters support 6 and is connected with downhole hardware through production tree 9; Downhole hardware comprises the weighted lever 13 of interdependent connection from top to bottom, plunger 19, pump barrel 14 and pump barrel annex 16, arranges travelling valve 15, arrange standing valve 17 in pump barrel annex 16 in plunger 19; Flexible rod 4 is connected with weighted lever 13; Also comprise the load transducer be arranged on described fixed pulley 5; Also comprise the position sensor be arranged on described well head 11; Also comprise the testing sensor 21 being arranged at described plunger 19 upper end.
Wherein, between production tree 9 and well head 11, can be connected by flange 8 between support 6 with production tree 9.
The operating principle of this device is as follows:
Hoist engine 1 index drum 2 rotates to release or regain flexible rod 4, and flexible rod 4 drives plunger 19 to move up and down.When plunger 19 moves downward, under the effect of well hydraulic coupling, standing valve 17 is opened, and travelling valve 15 closes, and well liquid enters pump barrel 14 by standing valve 17 and pump barrel annex 16.When plunger 19 moves upward, standing valve 17 closes, and travelling valve 15 is opened, and the well liquid in pump barrel 14 is entered in the tubing hanger 20 above plunger 19 by travelling valve 15, and plunger 19 moves back and forth, and well liquid is lifted to production tree 9.Well liquid is exported by the outlet of production tree 9.
In order to obtain working status parameter, this device is also provided with load transducer, position sensor, testing sensor.
Load transducer is arranged on fixed pulley 5, and when touching the well liquid in tubing hanger 20 when downhole hardware, the load that flexible rod 4 bears under the effect of buoyancy will reduce, and the load simultaneously making fixed pulley 5 bear reduces.Thus, the load transducer be arranged on fixed pulley 5 can obtain the real-time load that fixed pulley 5 bears, for judging the position relationship of the well liquid in downhole hardware and tubing hanger 20.
Arrange and the position sensor on well head 11, for obtaining the range parameter of downhole hardware.
Be arranged at the testing sensor 21 of plunger 19 upper end, for obtaining liquid level, the pressure and temperature above plunger 19 in pump barrel 14 and tubing hanger 20.
The working status parameter that the sensor obtains, can be used for the instantaneous operating conditions adjusting this device, changes plunger and transfers the degree of depth, keep reasonable production pressure, ensure for adopting balance, thus takes out the dynamic management of dragging for operation for down-hole and provide structural support.
Embodiment 2:
As shown in Figure 1, the present embodiment, on the basis of embodiment 1, also comprises and is arranged at the other rope winding jib 3 of described cylinder 2, walk around described fixed pulley 5 after described flexible rod 4 walks around rope winding jib 3.
Rope winding jib 3 is set, neat being wrapped on cylinder 2 of flexible rod 4 can be made, prevent the flexible rod 4 of winding on cylinder 2 confusion, mutually tangle.
Embodiment 3:
As shown in Figure 1, the present embodiment, on the basis of any one embodiment above-mentioned, is provided with preventer 7 between described flexible rod 4 and the top of described production tree 9.
Arrange preventer 7, preventer 7, for sealing the gap between flexible rod 4 and production tree 9, prevents well liquid or water by the gap ejection between flexible rod 4 and production tree 9, can pin in time if there is flexible rod 4 fracture simultaneously.
Embodiment 4:
As shown in Figure 1, the present embodiment, on the basis of any one embodiment above-mentioned, also comprises the oil storage tank 10 be connected with the oil-out of described production tree 9.
Embodiment 5:
As shown in Figure 2, the present embodiment is on the basis of any one embodiment above-mentioned, and described flexible rod 4 is connected by snap joint 12 with described weighted lever 13.
Embodiment 6:
As shown in Figure 2, the present embodiment, on the basis of any one embodiment above-mentioned, also comprises and the screen casing 18 be connected bottom described pump barrel annex 16.
Screen casing 18 is set, prevents the impurity in well from entering this device, improve functional reliability and the working life of this device.
Embodiment 6:
As shown in Figure 2, the present embodiment is on the basis of any one embodiment above-mentioned, and the multistage connection of described pump barrel 14, is connected with tubing hanger 20 above, is connected below with pump barrel annex 16 and standing valve 17.
Pump barrel 14 is set, increases the length of stroke of this device, improve operating efficiency.
As mentioned above, just the present invention can be realized preferably.
Claims (7)
1. taking out of applicable Production development intelligent management drags for a multi-functional lifting device, it is characterized in that:
Comprise interconnective ground installation and downhole hardware;
Ground installation comprises hoist engine (1), cylinder (2), flexible rod (4), support (6), fixed pulley (5) and production tree (9); The output of hoist engine (1) is connected with the rotating shaft of cylinder (2), flexible rod (4) is wrapped on cylinder (2), production tree (9) is fixed on well head (11), support (6) is fixed on production tree (9), fixed pulley (5) is fixed on support (6) top, and flexible rod (4) is walked around fixed pulley (5) and entered support (6) and be connected with downhole hardware through production tree (9) afterwards;
Downhole hardware comprises the weighted lever (13) of interdependent connection from top to bottom, plunger (19), pump barrel (14) and pump barrel annex (16), travelling valve (15) is set in plunger (19), pump barrel annex (16) is connected with pump barrel (14), arranges standing valve (17) in pump barrel annex (16);
Flexible rod (4) is connected with weighted lever (13);
Also comprise the load transducer be arranged on described fixed pulley (5);
Also comprise the position sensor be arranged on described well head (11);
Also comprise the testing sensor (21) being arranged at described plunger (19) upper end.
2. a kind of taking out of applicable Production development intelligent management according to claim 1 drags for multi-functional lifting device, it is characterized in that:
Also comprise and be arranged at the other rope winding jib (3) of described cylinder (2), described flexible rod (4) walks around described fixed pulley (5) after walking around rope winding jib (3).
3. a kind of taking out of applicable Production development intelligent management according to claim 1 drags for multi-functional lifting device, it is characterized in that:
Preventer (7) is provided with between the top of described flexible rod (4) and described production tree (9).
4. a kind of taking out of applicable Production development intelligent management according to claim 1 drags for multi-functional lifting device, it is characterized in that:
Also comprise the oil storage tank (10) be connected with the oil-out of described production tree (9).
5. a kind of taking out of applicable Production development intelligent management according to claim 1 drags for multi-functional lifting device, it is characterized in that:
Described flexible rod (4) is connected by snap joint (12) with described weighted lever (13).
6. drag for multi-functional lifting device according to the taking out of a kind of applicable Production development intelligent management in Claims 1 to 5 described in any one, it is characterized in that:
Also comprise the screen casing (18) be connected with described pump barrel annex (16) bottom.
7. a kind of taking out of applicable Production development intelligent management according to claim 1 drags for multi-functional lifting device, it is characterized in that:
Described pump barrel (14) multistage connection, is connected with tubing hanger (20) above, is connected below with pump barrel annex (16) and standing valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811006.7A CN104533351A (en) | 2014-12-15 | 2014-12-15 | Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410811006.7A CN104533351A (en) | 2014-12-15 | 2014-12-15 | Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104533351A true CN104533351A (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410811006.7A Pending CN104533351A (en) | 2014-12-15 | 2014-12-15 | Multifunctional swabbing and bailing lift device suitable for dynamic and intelligent production management |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104533351A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443107A (en) * | 2015-06-18 | 2016-03-30 | 贵州航天凯山石油仪器有限公司 | Method and device for testing different loads through fixed-range load testing wheel |
| CN105443111A (en) * | 2015-06-18 | 2016-03-30 | 贵州航天凯山石油仪器有限公司 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
| CN107013188A (en) * | 2017-05-16 | 2017-08-04 | 重庆排绳利科技有限公司 | A kind of reciprocating flexible drawing oil pumping mechanism |
| CN108533226A (en) * | 2018-05-22 | 2018-09-14 | 重庆揽飞科技有限公司 | A kind of flexible drawing oil pumping mechanism that can be detected in real time and control plunger effective stroke |
| CN115163001A (en) * | 2022-08-01 | 2022-10-11 | 吕远 | Injection-production integrated device and method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975334Y (en) * | 2006-11-15 | 2007-11-14 | 董宝玉 | Anti-scaling oil production pump |
| CN200993092Y (en) * | 2006-12-27 | 2007-12-19 | 崔自力 | Beam pumping unit driven hydraulic cylinder type rodless hydraulic pumping system |
| US20100206553A1 (en) * | 2009-02-17 | 2010-08-19 | Jeffrey Roberts Bailey | Coated oil and gas well production devices |
| CN201606039U (en) * | 2009-12-11 | 2010-10-13 | 史文元 | Oil and gas mining and discharging device |
| CN201778768U (en) * | 2010-07-19 | 2011-03-30 | 大庆惠博普石油机械设备制造有限公司 | Intelligent oil bailing pumping unit |
| CN202531405U (en) * | 2012-02-07 | 2012-11-14 | 中国石油天然气股份有限公司 | Concentric-pipe type pump for coal-bed methane |
-
2014
- 2014-12-15 CN CN201410811006.7A patent/CN104533351A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975334Y (en) * | 2006-11-15 | 2007-11-14 | 董宝玉 | Anti-scaling oil production pump |
| CN200993092Y (en) * | 2006-12-27 | 2007-12-19 | 崔自力 | Beam pumping unit driven hydraulic cylinder type rodless hydraulic pumping system |
| US20100206553A1 (en) * | 2009-02-17 | 2010-08-19 | Jeffrey Roberts Bailey | Coated oil and gas well production devices |
| CN201606039U (en) * | 2009-12-11 | 2010-10-13 | 史文元 | Oil and gas mining and discharging device |
| CN201778768U (en) * | 2010-07-19 | 2011-03-30 | 大庆惠博普石油机械设备制造有限公司 | Intelligent oil bailing pumping unit |
| CN202531405U (en) * | 2012-02-07 | 2012-11-14 | 中国石油天然气股份有限公司 | Concentric-pipe type pump for coal-bed methane |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443107A (en) * | 2015-06-18 | 2016-03-30 | 贵州航天凯山石油仪器有限公司 | Method and device for testing different loads through fixed-range load testing wheel |
| CN105443111A (en) * | 2015-06-18 | 2016-03-30 | 贵州航天凯山石油仪器有限公司 | Method and device for installing indicator diagram test apparatus on bailing type oil pumping machine |
| CN107013188A (en) * | 2017-05-16 | 2017-08-04 | 重庆排绳利科技有限公司 | A kind of reciprocating flexible drawing oil pumping mechanism |
| CN108533226A (en) * | 2018-05-22 | 2018-09-14 | 重庆揽飞科技有限公司 | A kind of flexible drawing oil pumping mechanism that can be detected in real time and control plunger effective stroke |
| CN108533226B (en) * | 2018-05-22 | 2020-03-27 | 重庆揽飞科技有限公司 | Flexible traction oil pumping mechanism capable of detecting and controlling effective stroke of plunger in real time |
| CN115163001A (en) * | 2022-08-01 | 2022-10-11 | 吕远 | Injection-production integrated device and method thereof |
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Application publication date: 20150422 |
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