CN2854133Y - Two-way oil-well pump - Google Patents
Two-way oil-well pump Download PDFInfo
- Publication number
- CN2854133Y CN2854133Y CN 200520087990 CN200520087990U CN2854133Y CN 2854133 Y CN2854133 Y CN 2854133Y CN 200520087990 CN200520087990 CN 200520087990 CN 200520087990 U CN200520087990 U CN 200520087990U CN 2854133 Y CN2854133 Y CN 2854133Y
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- CN
- China
- Prior art keywords
- oil
- valve
- oil inlet
- shunt
- pump
- 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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- 239000003129 oil well Substances 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000000605 extraction Methods 0.000 claims description 27
- 241001484259 Lacuna Species 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 8
- 238000005086 pumping Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a two-way oil-well pump including an outer liner 1, a long pump barrel 2, a short ramming piston 3, a sealing element 4, a leading tube 5, a hierarchical body 11 and a tail joint 10. The tail joint 10 is connected with the lower end of the outer liner 1, the hierarchical body 11 is connected with the outer liner 1, the sealing element 4 is covered outside the leading tube 5, a current divider 7 is provided between an upper oil inlet foot valve 6 and a lower oil inlet foot valve 6', a double channel liquid-displacing connector 9 is arranged between an upper reservoir sweep travelling valve 8 and a lower reservoir sweep travelling valve 8'. The lower oil inlet foot valve 6', the upper oil inlet foot valve 6, the lower reservoir sweep travelling valve 8' and the upper reservoir sweep travelling valve 8 are arranged on the central axis of the outer liner 1. The two-way oil-well pump overcomes the low efficiency of pumping flaw of ordinary tubing line pump and the utility model has a simple structure, a small external diameter size, a large reservoir sweep amount, a long life time. The utility model is convenient to connect the sand control device and convenient to transport, in particular to suitable for extracting in high flow rate and deeply extracting.
Description
Technical field
The utility model relates to the improvement of a kind of petroleum production with the round trip oil well pump, and specifically a kind of round trip oil well pump is applicable to big discharge capacity extract and dark extract.
Background technique
Recover the oil and generally use common tubing pump in the oil field at present, by outer sleeve, long pump barrel, short column plug, draw parts such as adapter, body ply, Sealing, oil-feed bottom valve and oil extraction traveling valve and constitute, this only once oil extraction of pump one-period stroke, the major defect of this pump is that pump efficiency is low, in addition when oil well need be carried fluid production or dark extracting fluid, need to change large-scale pumping unit, cause a large amount of cost wastes.The deficiency of tubing pump for a change, as patent 02255450 disclosed single pump double acting sucker rod pump, it is by long pump barrel, the short column plug, parts such as Sealing are formed, this pump is connected to an oiling valve in the lower end of long pump barrel, connect on the bridge-type draining valve on oiling valve and the bridge-type in the upper end of long pump barrel, establishing the seal operation chamber on oiling valve on the bridge-type and the bridge-type between the draining valve, in long pump barrel, establish the short column plug, establish a following draining valve in the lower end of short column plug, can realize, down stroke can oil extraction, thereby improves pump efficiency, but the deficiency of this pump is: since on the bridge-type on oiling valve and the bridge-type draining valve be located at the upper end of long pump barrel, and disalignment, outside dimension is strengthened, increased volume, the lower end of this pump can't connect sand control installation in addition, sand card phenomenon very easily occurs, had a strong impact on the using scope of this pump; Patent 00252182 disclosed double acting sucker rod pump for another example, it is by big pump barrel, greatly, small plunger, on, lower travelling valve, depart from traveling valve, mushroom valve, parts such as sealing drum are formed, be connected to the bottom oiling valve in the lower end of big pump barrel, mushroom valve is established in the outside at small plunger, establish in the upper end of small plunger and to depart from traveling valve, on this pump has also been realized, down stroke can oil extraction, thereby also improved pump efficiency, but also there is tangible deficiency in this pump, owing to change the ball valve on top into mushroom valve around small plunger, so reduced the outside dimension of this pump, and mushroom valve has only a sealing lines, and working life is short, and this pump also can't connect sand control installation in addition, sand card phenomenon very easily occurs, using scope is little.
Summary of the invention
The purpose of this utility model be to provide a kind of common tubing pump one-period stroke that not only can overcome present use only oil extraction once cause the low shortcoming of pump efficiency, and overcome oil drain pump of present disclosed one-stroke and cause the big or baroque shortcoming of volume because of the valve body disalignment, also overcome simultaneously the shortcoming of lacking and can not connect sand control installation working life, not only oil drain quantity is big, pump efficiency is high to make it, and outside dimension little, be convenient to connect sand control installation, using scope is wide and be convenient to transport and the on-the-spot round trip oil well pump that uses.
For reaching above purpose, the technological scheme that the utility model adopted is: this round trip oil well pump, by outer sleeve, long pump barrel, the short column plug, Sealing, draw adapter, body ply, the tail joint, and oil-feed bottom valve and oil extraction traveling valve formation, the tail joint is connected the lower end of outer sleeve, body ply connects outer sleeve, sealing member sheathing is drawing the adapter outside, it is characterized in that the oil-feed bottom valve establishes, following two, last, establish shunt between the following oil-feed bottom valve, the oil extraction traveling valve is also established, following two, last, establish the Twin channel draining connector between the following oil extraction traveling valve, following oil-feed bottom valve, last oil-feed bottom valve, following oil extraction traveling valve, last oil extraction traveling valve all is arranged on the central axis of outer sleeve, make compact structure, outside dimension does not change, volume does not increase.Described shunt is a cylinder, interior epimere at shunt is provided with epimere center oil inlet passage, the suitable for reading of epimere center oil inlet passage is connected by the following pump chamber of last oil-feed bottom valve with long pump barrel bottom, the end opening of epimere center oil inlet passage is connected with the side oil inlet passage of shunt hypomere, interior hypomere at shunt is provided with hypomere center oil inlet passage, hypomere center oil inlet passage is connected with lacuna between outer sleeve and the long pump barrel, fixedly connected with the tail joint by screw thread in the lower end of shunt, infraoral at the hypomere center of shunt hypomere oil inlet passage is connected with following oil-feed bottom valve by screw thread, the upper oral part of the epimere center oil inlet passage of shunt epimere is connected with last oil-feed bottom valve by screw thread, make oil inlet passage form two, during down stroke, following oil-feed bottom valve is opened, oil enters in the lacuna between outer sleeve and the long pump barrel, during up stroke, last oiling valve is opened, and oil enters down in the pump chamber; Described Twin channel draining connector is a cylinder, establish side canal and central passage in the Twin channel draining connector, the intracavity inter-connection of the end opening of side canal and short column plug suitable for readingly is communicated with the inner chamber that draws adapter, the oil extraction traveling valve of establishing suitable for reading of central passage, end opening is connected with last pump chamber by side opening; Last oil-feed bottom valve is connected with long pump barrel, and the short column plug matches with long pump barrel, and the top of short column plug is connected with the Twin channel draining connector by screw thread.In working order down, during up stroke, short column is gone beyond the Great Wall, following oil extraction traveling valve cuts out, last oil-feed bottom valve is opened, fluid by with shunt that following pump chamber links to each other in the epimere center oil inlet passage of epimere and the side oil inlet passage of hypomere enter down in the pump chamber, meanwhile, the space of last pump chamber reduces, and the pressure in the last pump chamber increases, and pressure reaches down the oil-feed bottom valve by the lacuna between long pump barrel and the outer sleeve, the oil-feed bottom valve cuts out, fluid in the last pump barrel enters central passage through the side opening of Twin channel draining connector, opens the oil extraction traveling valve, takes over outside the excavationg pump by drawing; During down stroke, following pump chamber reduces, last oil-feed bottom valve cuts out, fluid in the following pump chamber is opened down the oil extraction traveling valve and is upwards taken over outside the excavationg pump by drawing, and meanwhile, last pump chamber increases, pressure reduces, pressure reduces to make the oil extraction traveling valve to close and last oil-feed bottom valve is opened, and fluid is entered in the pump chamber, thereby realize twice feed liquor of one-period stroke and discharge opeing.
The beneficial effects of the utility model are: compare with the double acting sucker rod pump of present use, can not only overcome the low shortcoming of the existing pump efficiency of common tubing pump, and it is simple in structure, outside dimension is little, volume is little, oil drain quantity is big, long service life, be convenient to connect sand control installation, enlarge application area, and be convenient to transportation.
Description of drawings
Fig. 1 is that the utility model is along the axis cross-sectional schematic.
Embodiment
Make the utility model with reference to accompanying drawing 1.This round trip oil well pump, by outer sleeve 1, long pump barrel 2, short column plug 3, Sealing 4, draw and take over 5, body ply 11, tail joint 10, and oil-feed bottom valve and oil extraction traveling valve formation, tail joint 10 is connected the lower end of outer sleeve 1, body ply 11 connects outer sleeve 1, Sealing 4 is sleeved on to draw takes over 5 outsides, the oil-feed bottom valve is established, following two, last, following oil-feed bottom valve 6,6 ' between establish shunt 7, the oil extraction traveling valve is also established, following two, last, following oil extraction traveling valve 8,8 ' between establish Twin channel draining connector 9, following oil-feed bottom valve 6 ', last oil-feed bottom valve 6, following oil extraction traveling valve 8 ', last oil extraction traveling valve 8 all is arranged on the central axis of outer sleeve 1.Described shunt 7 is a cylinder, interior epimere at shunt 7 is provided with epimere center oil inlet passage 7c, the suitable for reading of epimere center oil inlet passage 7c is connected by the following pump chamber 12 of last oil-feed bottom valve 6 with long pump barrel 2 bottoms, the end opening of epimere center oil inlet passage 7c is connected with the side oil inlet passage 7a of shunt 7 hypomeres, interior hypomere at shunt 7 is provided with hypomere center oil inlet passage 7b, hypomere center oil inlet passage 7b is connected with lacuna between outer sleeve 1 and the long pump barrel 2, fixedly connected with tail joint 10 by screw thread in the lower end of shunt 7, by screw thread and following oil-feed bottom valve 6 ' be connected, the upper oral part of the epimere center oil inlet passage 7c of shunt 7 epimeres is connected with last oil-feed bottom valve 6 by screw thread at the infraoral of the hypomere center of shunt 7 hypomeres oil inlet passage 7b; Described Twin channel draining connector 9 is a cylinder, in Twin channel draining connector 9, establish side canal 9a and central passage 9b, the intracavity inter-connection of the end opening of side canal 9a and short column plug 3, suitable for readingly take over 5 intracavity inter-connection with drawing, the oil extraction traveling valve 8 of establishing suitable for reading of central passage 9b, end opening is connected with last pump chamber 13 by side opening 9c; Last oil-feed bottom valve 6 is connected with long pump barrel 2, and short column plug 3 matches with long pump barrel 2, and the top of short column plug 3 is connected with Twin channel draining connector 9 by screw thread.
Claims (4)
1, a kind of round trip oil well pump, by outer sleeve (1), long pump barrel (2), short column plug (3), Sealing (4), draw adapter (5), body ply (11), tail joint (10), and oil-feed bottom valve and oil extraction traveling valve formation, tail joint (10) is connected the lower end of outer sleeve (1), body ply (11) connects outer sleeve (1), Sealing (4) is sleeved on the outside of drawing adapter (5), it is characterized in that the oil-feed bottom valve establishes, following two, last, following oil-feed bottom valve (6,6 ') between establish shunt (7), the oil extraction traveling valve is also established, following two, last, following oil extraction traveling valve (8,8 ') between establish Twin channel draining connector (9), following oil-feed bottom valve (6 '), last oil-feed bottom valve (6), following oil extraction traveling valve (8 '), last oil extraction traveling valve (8) all comes on the central axis of outer sleeve (1).
2, round trip oil well pump according to claim 1, it is characterized in that described shunt (7) is a cylinder, interior epimere at shunt (7) is provided with epimere center oil inlet passage (7c), the suitable for reading of epimere center oil inlet passage (7c) is connected by the following pump chamber (12) of last oil-feed bottom valve (6) with long pump barrel (2) bottom, the end opening of epimere center oil inlet passage (7c) is connected with the side oil inlet passage (7a) of shunt (7) hypomere, interior hypomere at shunt (7) is provided with hypomere center oil inlet passage (7b), hypomere center oil inlet passage (7b) is connected with lacuna between outer sleeve (1) and the long pump barrel (2), fixedly connected with tail joint (10) by screw thread in the lower end of shunt (7), infraoral at the hypomere center oil inlet passage (7b) of shunt (7) hypomere is connected with following oil-feed bottom valve (6 ') by screw thread, and the upper oral part of the epimere center oil inlet passage (7c) of shunt (7) epimere is connected with last oil-feed bottom valve (6) by screw thread.
3, round trip oil well pump according to claim 1, it is characterized in that described Twin channel draining connector (9) is a cylinder, in Twin channel draining connector (9), establish side canal (9a) and central passage (9b), the intracavity inter-connection of the end opening of side canal (9a) and short column plug (3), suitable for reading with draw the intracavity inter-connection of adapter (5), the oil extraction traveling valve (8) of establishing suitable for reading of central passage (9b), end opening is connected with last pump chamber (13) by side opening (9c).
4,, it is characterized in that the top of described short column plug (3) is connected with Twin channel draining connector (9) by screw thread according to claim 1 or 3 described round trip oil well pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087990 CN2854133Y (en) | 2005-10-18 | 2005-10-18 | Two-way oil-well pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520087990 CN2854133Y (en) | 2005-10-18 | 2005-10-18 | Two-way oil-well pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2854133Y true CN2854133Y (en) | 2007-01-03 |
Family
ID=37580764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520087990 Expired - Lifetime CN2854133Y (en) | 2005-10-18 | 2005-10-18 | Two-way oil-well pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2854133Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065697A (en) * | 2020-10-23 | 2020-12-11 | 山东威马泵业股份有限公司 | Double-channel slide valve whole-course oil well pump and special slide valve |
-
2005
- 2005-10-18 CN CN 200520087990 patent/CN2854133Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065697A (en) * | 2020-10-23 | 2020-12-11 | 山东威马泵业股份有限公司 | Double-channel slide valve whole-course oil well pump and special slide valve |
| CN112065697B (en) * | 2020-10-23 | 2024-05-24 | 山东威马泵业股份有限公司 | Double-channel slide valve whole-course oil pump and special slide valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG WEIMA PUMPS MANUFACTURING CO., LTD. Free format text: FORMER OWNER: MA BAOZHONG Effective date: 20140509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271100 LAIWU, SHANDONG PROVINCE TO: 271199 LAIWU, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140509 Address after: 271199 intersection of Yuntai Mountain Road and Panlong River Street, Laiwu hi tech Zone, Shandong Patentee after: SHANDONG WEIMA PUMP MANUFACTURING CO., LTD. Address before: Zhangjiawa town 271100 Shandong province Laiwu City Levin District Shandong Weima pumps manufacturing Co. Patentee before: Ma Baozhong |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong Weima pumps manufacturing Co. Assignor: Ma Baozhong Contract record no.: 2010370000327 Denomination of utility model: Two-way oil-well pump Granted publication date: 20070103 License type: Exclusive License Record date: 20100602 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070103 |
|
| EXPY | Termination of patent right or utility model |