CN203730267U - Oil well pump with gas-liquid separation device - Google Patents
Oil well pump with gas-liquid separation device Download PDFInfo
- Publication number
- CN203730267U CN203730267U CN201320805994.5U CN201320805994U CN203730267U CN 203730267 U CN203730267 U CN 203730267U CN 201320805994 U CN201320805994 U CN 201320805994U CN 203730267 U CN203730267 U CN 203730267U
- Authority
- CN
- China
- Prior art keywords
- gas
- oil well
- well pump
- liquid separation
- separation device
- 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 - Lifetime
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- 239000007788 liquid Substances 0.000 title claims abstract description 63
- 239000003129 oil well Substances 0.000 title claims abstract description 46
- 238000000926 separation method Methods 0.000 title claims abstract description 34
- 239000007789 gas Substances 0.000 description 37
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an oil well pump with a gas-liquid separation device. The oil well pump includes an oil well pump body including an inner pipe and an outer pipe sleeving outside the inner pipe, a circular gap is formed between the inner pipe and the outer pipe, the upper end of the inner pipe is communicated with a hollow sucker rod, the upper end of the outer pipe is communicated with an oil pipe, a travelling valve and a unidirectional conduction device are successively arranged at the lower end part of the circular gap of the inner pipe and the outer pipe from the top to the bottom, and the lower end of the oil well pump body is provided with the gas-liquid separation device. When the oil well pump is used, well liquid realizes gas-liquid separation through the gas-liquid separation device, and furthermore, the pump efficiency of the oil well pump is improved.
Description
Technical field
The utility model relates to a kind of gas recovery facility, is specifically related to a kind of oil well pump with gas-liquid separation device.
Background technique
At present, exploit for moisture gas well the technique that normally employing machine is taken out liquid discharging gas producing, this technique is to utilize pumping unit to convert the rotational of motor to energy that pumping unit horsehead pumps, by sucker rod, pump plunger is moved up and down, the liquid pumping is discharged by oil pipe, and gas is from sleeve pipe extraction, in this technique, the equipment adopting is simple, installs and uses maintenance technology and is easy to grasp, and one time investment cost is not high.
The technique that this machine is taken out liquid discharging gas producing is generally to adopt conventional oil well pump and conventional gas anchor to support the use, extract well liquid out gas well from shaft bottom, the isolated gas of conventional gas anchor need to be discharged from sleeve pipe, this gas-liquid separation mode efficiency is low, therefore, enters in the well liquid of oil well pump and is still mixed with a large amount of gas, the compression ratio of well liquid is large, under the impact of gas, oil well pump is subject to gases affect serious in the time of work, and then has reduced the pump efficiency of oil well pump.
So, need badly at present a kind of in moisture gas well machine pump drainage liquid gas producing technology, can high efficiency divided gas flow, reduce the impact of gas in well liquid, improve the oil well pump of pump efficiency.
Model utility content
The purpose of this utility model is: have the deficiency at the bottom of pump efficiency for existing oil well pump, provide a kind of and can reduce the impact of gas in well liquid in moisture gas well machine pump drainage liquid gas producing technology, improve the oil well pump of pump efficiency.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of oil well pump with gas-liquid separation device, comprise oil well pump body, described oil well pump body comprises inner tube and is set in the outer tube of described inner tube outside, between described inner tube and described outer tube, form annular gap, described inner tube upper end and hollow rod are connected, described outer tube upper end and oil pipe are connected, the annular gap end portion of described inner tube and described outer tube will be provided with traveling valve and device in one-way on state from top to bottom successively, described oil well pump body lower end is provided with gas-liquid separation device, described gas-liquid separation device comprises the gas collecting tube that is docked at described inner tube lower end, be set in the eddy flow sleeve pipe outside described gas collecting tube and be arranged in the shape of a spiral the helical blade on described eddy flow sleeve outer wall, on described gas collecting tube, be provided with some the first through holes, correspondingly with described the first through hole on described eddy flow sleeve pipe be provided with some the second through holes, described gas collecting tube coordinates with described eddy flow shell clearance, the lower end of described outer tube extends downward the end, lower end of described gas-liquid separation device, the lower end of described eddy flow sleeve pipe is fixedly connected with the lower end of described outer tube, the joint of described eddy flow sleeve pipe and described outer tube is provided with some third through-holes.In the time that oil well pump is worked, well liquid enters in the gap between eddy flow sleeve pipe and outer tube by third through-hole, due to the existence of helical blade, gap between eddy flow sleeve pipe and outer tube is divided into helical flow path, in the process that well liquid up flows at helical flow path, due to the effect of centrifugal force, liquid part moves in the annular gap between inner tube and outer tube laterally, after oil well pump body, extract out, gas part enters in gas collecting tube by the second through hole and the first through hole, enter again in inner tube, discharge through hollow rod, realize separating of well liquid gas and liquid, and then improve the pump efficiency of oil well pump.
As preferred version of the present utility model, the end, lower end of described outer tube is provided with box cupling, on box cupling inwall, be provided with annular baffle, the inwall of described dividing plate and described gas collecting tube outer wall Spielpassung, described third through-hole is arranged on described dividing plate, and the lower end of described eddy flow sleeve pipe is fixedly installed on described dividing plate.Use box cupling to connect eddy flow sleeve pipe and outer tube, be easy for installation and removal, and then facilitated use assembling and regular maintenance.
As preferred version of the present utility model, the dismountable tail pipe that is connected with in described box cupling lower end.Well liquid, in tail pipe enters into gas-liquid separation device, slows down the impact of well liquid to gas-liquid separation device and oil well pump body by tail pipe, has improved the safety and reliability of oil well pump.
As preferred version of the present utility model, described third through-hole is distributed on described dividing plate along the central axis of described dividing plate.Because third through-hole is uniform, ensure that gas-liquid separation device is subject to the impact symmetry of well liquid, avoid gas-liquid separation device due to asymmetric impact run-off the straight, and then improved the safety and reliability of oil well pump.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
1,, owing to well liquid having been carried out to gas-liquid separation in shaft bottom, make oil well pump not be subject to the impact of gas in well liquid, and then improved the pump efficiency of oil well pump.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of gas-liquid separation device,
Mark in figure: 1-oil well pump body, 2-inner tube, 3-outer tube, 4-annular gap, 5-hollow rod, 6-oil pipe, 7-traveling valve, 8-device in one-way on state, 9-gas-liquid separation device, 10-gas collecting tube, 11-eddy flow sleeve pipe, 12-helical blade, 13-the first through hole, 14-the second through hole, 15-third through-hole, 16-box cupling, 17-annular baffle, 18-tail pipe.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
A kind of oil well pump with gas-liquid separation device as depicted in figs. 1 and 2, comprise oil well pump body 1, described oil well pump body 1 comprises inner tube 2 and is set in the outer tube 3 of described inner tube 2 outsides, between described inner tube 2 and described outer tube 3, form annular gap 4, described inner tube 2 upper ends and hollow rod 5 are connected, described outer tube 3 upper ends and oil pipe 6 are connected, described inner tube 2 will be provided with traveling valve 7 and device in one-way on state 8 from top to bottom successively with annular gap 4 end portions of described outer tube 3, described oil well pump body 1 lower end is provided with gas-liquid separation device 9, described gas-liquid separation device 9 comprises the gas collecting tube 10 that is docked at described inner tube lower end, be set in the eddy flow sleeve pipe 11 outside described gas collecting tube 10 and be arranged in the shape of a spiral the helical blade 12 on described eddy flow sleeve pipe 11 outer walls, on described gas collecting tube 10, be provided with some the first through holes 13, correspondingly with described the first through hole 13 on described eddy flow sleeve pipe 11 be provided with some the second through holes 14, described gas collecting tube 10 and described eddy flow sleeve pipe 11 Spielpassung, the lower end of described outer tube 3 extends downward the end, lower end of described gas-liquid separation device 9, the lower end of described eddy flow sleeve pipe 11 is fixedly connected with the lower end of described outer tube 3, described eddy flow sleeve pipe 11 is provided with some third through-holes 15 with the joint of described outer tube 3.In the time that oil well pump is worked, well liquid enters in the gap between eddy flow sleeve pipe 11 and outer tube 3 by third through-hole 15, due to the existence of helical blade 12, gap between eddy flow sleeve pipe 11 and outer tube 3 is divided into helical flow path, in the process that well liquid up flows at helical flow path, due to the effect of centrifugal force, liquid part moves in the annular gap 4 between inner tube 2 and outer tube 3 laterally, after oil well pump body 1, extract out, gas part enters in gas collecting tube 10 by the second through hole 14 and the first through hole 13, enter again in inner tube 2, discharge through hollow rod 5, realize separating of well liquid gas and liquid, and then improve the pump efficiency of oil well pump.
As preferred version of the present utility model, the end, lower end of described outer tube 3 is provided with box cupling 16, on box cupling 16 inwalls, be provided with annular baffle 17, the inwall of described dividing plate 17 and described gas collecting tube 10 outer wall Spielpassung, described third through-hole 15 is arranged on described dividing plate 17, and the lower end of described eddy flow sleeve pipe 11 is fixedly installed on described dividing plate 17.Use box cupling 16 to connect eddy flow sleeve pipe 11 and outer tube 3, be easy for installation and removal, and then facilitated use assembling and regular maintenance.
As preferred version of the present utility model, the dismountable tail pipe 18 that is connected with in described box cupling 16 lower ends.Well liquid, in tail pipe 18 enters into gas-liquid separation device 9, slows down the impact of well liquid to gas-liquid separation device 9 and oil well pump body 1 by tail pipe 18, has improved the safety and reliability of oil well pump.
As preferred version of the present utility model, described third through-hole 15 is distributed on described dividing plate 17 along the central axis of described dividing plate 17.Because third through-hole 15 is uniform, ensure that gas-liquid separation device 9 is subject to the impact symmetry of well liquid, avoids gas-liquid separation device 9 due to asymmetric impact run-off the straight, and then has improved the safety and reliability of oil well pump.
All any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. the oil well pump with gas-liquid separation device, comprise oil well pump body, described oil well pump body comprises inner tube and is set in the outer tube of described inner tube outside, between described inner tube and described outer tube, form annular gap, described inner tube upper end and hollow rod are connected, described outer tube upper end and oil pipe are connected, the annular gap end portion of described inner tube and described outer tube will be provided with traveling valve and device in one-way on state from top to bottom successively, it is characterized in that, described oil well pump body lower end is provided with gas-liquid separation device, described gas-liquid separation device comprises the gas collecting tube that is docked at described inner tube lower end, be set in the eddy flow sleeve pipe outside described gas collecting tube and be arranged in the shape of a spiral the helical blade on described eddy flow sleeve outer wall, on described gas collecting tube, be provided with some the first through holes, correspondingly with described the first through hole on described eddy flow sleeve pipe be provided with some the second through holes, described gas collecting tube coordinates with described eddy flow shell clearance, the lower end of described outer tube extends downward the end, lower end of described gas-liquid separation device, the lower end of described eddy flow sleeve pipe is fixedly connected with the lower end of described outer tube, the joint of described eddy flow sleeve pipe and described outer tube is provided with some third through-holes.
2. the oil well pump with gas-liquid separation device according to claim 1, it is characterized in that, the end, lower end of described outer tube is provided with box cupling, on box cupling inwall, be provided with annular baffle, the inwall of described dividing plate and described gas collecting tube outer wall Spielpassung, described third through-hole is arranged on described dividing plate, and the lower end of described eddy flow sleeve pipe is fixedly installed on described dividing plate.
3. the oil well pump with gas-liquid separation device according to claim 2, is characterized in that, the dismountable tail pipe that is connected with in described box cupling lower end.
4. the oil well pump with gas-liquid separation device according to claim 2, is characterized in that, described third through-hole is distributed on described dividing plate along the central axis of described dividing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805994.5U CN203730267U (en) | 2013-12-10 | 2013-12-10 | Oil well pump with gas-liquid separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805994.5U CN203730267U (en) | 2013-12-10 | 2013-12-10 | Oil well pump with gas-liquid separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730267U true CN203730267U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805994.5U Expired - Lifetime CN203730267U (en) | 2013-12-10 | 2013-12-10 | Oil well pump with gas-liquid separation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730267U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156090A (en) * | 2015-09-14 | 2015-12-16 | 中国石油集团渤海石油装备制造有限公司 | Underground water-carrying atomizer for coal bed gas |
| CN110608158A (en) * | 2019-10-20 | 2019-12-24 | 山东四通石油技术开发有限公司 | Anti-gas pumping-assisting thick oil pump |
| CN110939426A (en) * | 2019-11-19 | 2020-03-31 | 东北石油大学 | Centrifugal separation mechanism and co-well injection and production device using same |
| CN111065792A (en) * | 2017-07-27 | 2020-04-24 | 沙特***石油公司 | System, device and method for downhole water separation |
-
2013
- 2013-12-10 CN CN201320805994.5U patent/CN203730267U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156090A (en) * | 2015-09-14 | 2015-12-16 | 中国石油集团渤海石油装备制造有限公司 | Underground water-carrying atomizer for coal bed gas |
| CN105156090B (en) * | 2015-09-14 | 2019-05-21 | 中国石油集团渤海石油装备制造有限公司 | Water atomization plant is taken under coal bed gas well |
| CN111065792A (en) * | 2017-07-27 | 2020-04-24 | 沙特***石油公司 | System, device and method for downhole water separation |
| CN110608158A (en) * | 2019-10-20 | 2019-12-24 | 山东四通石油技术开发有限公司 | Anti-gas pumping-assisting thick oil pump |
| CN110939426A (en) * | 2019-11-19 | 2020-03-31 | 东北石油大学 | Centrifugal separation mechanism and co-well injection and production device using same |
| CN110939426B (en) * | 2019-11-19 | 2021-09-28 | 东北石油大学 | Centrifugal separation mechanism and co-well injection and production device using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |
|
| CX01 | Expiry of patent term |