CN2811594Y - Oil-well pump capable of pumping oil and water - Google Patents
Oil-well pump capable of pumping oil and water Download PDFInfo
- Publication number
- CN2811594Y CN2811594Y CN 200520078878 CN200520078878U CN2811594Y CN 2811594 Y CN2811594 Y CN 2811594Y CN 200520078878 CN200520078878 CN 200520078878 CN 200520078878 U CN200520078878 U CN 200520078878U CN 2811594 Y CN2811594 Y CN 2811594Y
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- valve
- pump barrel
- joint
- oil
- valve seat
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Abstract
The utility model discloses a double-function oil well pump capable of pumping oil and water, which solves the problem that the existing pumping rod is difficult to move down because of large friction in oil liquid. The utility model mainly comprises a releasing joint, an outer pipe, an upper pump barrel connecting hoop, a dislocating machine assembly, an upper pump barrel, an upper valve cover, an upper valve ball, an upper valve seat, a valve rod joint, a valve rod, an oil outlet valve cover, an upper plunger, a central pipe, a lower pump barrel joint, a lower pump barrel, a lower plunger joint, a lower plunger, a valve cover at the lower part of the plunger, a lower valve ball, a lower valve seat, a plunger valve seat press cap, a lower pump barrel connecting hoop, a pump barrel oil inlet valve cover, a pump barrel valve ball, a pump barrel valve seat, a pump barrel valve seat press cap and also a mechanical valve assembly. The mechanical valve assembly comprises a mechanical valve seat, a mechanical valve tightly attached to the mechanical valve seat, an annular valve joint, a central pipe joint tightly attached to the mechanical valve, an annular valve body, a lower valve ball and a lower valve seat which are arranged in the annular valve body, and a valve seat press cap. The utility model can realize the double functions that an upper pump pumps oil and a lower pump pumps water or the upper and the lower pumps pump oil at the same time, and the quantity of liquid production is increased.
Description
Technical field
The utility model relates to a kind of oil pumping, double acting sucker rod pump draws water.
Background technique
The early stage subsurface tubing pumps of producing of the application unit, has only a kind of traditional oil pumping function, to oil reservoir better or the oil well that pressure is bigger after the water filling have problem because of the too big and descending difficulty of frictional force of sucker rod in fluid, caused bottleneck to improving output.
The model utility content
The purpose of this utility model provides a kind of oil pumping, double acting sucker rod pump that draws water that is applicable to the big discharge capacity well oil pumping that contains well oil-water separation and well liquid abundance that hydraulic pressure is bigger, to solve the problem of existing the frictional force too big and descending difficulty of sucker rod in fluid.
The utility model mainly comprises releasing-joint, outer tube, goes up the pump barrel box cupling, the disjointed device assembly, go up pump barrel, top valve bonnet, upper valve ball, upper valve base, valve rod joint, valve rod, oil-release valve cover, upper plug, center tube, pump barrel joint, pump barrel, lower plunger joint, lower plunger, plunger bottom valve bonnet, lower valve ball, lower valve base, plunger valve seat pressure cap, pump barrel box cupling, pump barrel oil-feed valve bonnet, pump barrel valve ball, pump barrel valve seat, pump barrel valve seat pressure cap down down down; Releasing-joint connects by outer tube goes up the pump barrel box cupling; Be provided with the disjointed device assembly in last pump barrel inside and connect the valve rod joint, valve ball and valve seat are arranged in the valve bonnet of top by the top valve bonnet; The valve rod joint connects oil-release valve cover by valve rod; The pump barrel box cupling is connected with pump barrel oil-feed valve bonnet under the passing through of following pump barrel; Comprise pump barrel valve ball and pump barrel valve seat in the pump barrel oil-feed valve bonnet, the other end of pump barrel oil-feed valve bonnet is connected with pump barrel valve seat pressure cap; It also comprises the mechanical valve assembly, the mechanical valve assembly comprises mechanical valve seat, is close to the mechanical valve of mechanical valve seat, the annular valve joint, be close to mechanical valve center tube joint, annular valve body, be located at lower valve ball in the annular valve body and lower valve base, valve seat pressure cap; The described pump barrel of going up is connected in series by mechanical valve assembly and following pump barrel joint with following pump barrel; Upper plug is connected with center tube with lower plunger; The pump barrel box cupling is by the last pump barrel annular valve joint that is threaded; The center tube joint is connected with the lower plunger joint by center tube; The annular valve body two ends link to each other with annular valve joint and valve seat pressure cap respectively, and the pump barrel joint linked to each other with following pump barrel under the valve seat pressure cap passed through.
The utility model adopts the interlock type oil-feed structure of internal and external double-channel operation in parallel; Change the unidirectional fuel-displaced working method of conventional pumps, realize that outer flow passage is to the working principle of oil pipe oil extraction in the upper and lower spm.Owing to adopt the series parallel structure design, the utility model also utilizes the center-pole and the size structure of pump barrel up and down when can increasing substantially pump efficiency, can produce the fluid power feedback force when down stroke, helps sucker rod descending.Our experiments show that the utility model is compared with the conventional tubelike integral cylinder pump of same specification, pump efficiency can improve 50%～70% and fuel-displaced respond well.The utility model has improved the stress of sucker rod, has reduced the resiliently deformable of R a T, has improved the effective stroke of oil well pump.Can realize that pump oil pumping, following pump are drawn water or the pump double-action of pumping simultaneously up and down, increase the production fluid amount.
Below in conjunction with accompanying drawing the utility model is described in further details.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model annular valve body;
Fig. 3 is that A among Fig. 2 is to view;
Fig. 4 is the sectional view along the B-B line among Fig. 2;
Embodiment
The reference character implication is as follows:
Releasing-joint 1, outer tube 2, last pump barrel box cupling 3, disjointed device assembly 4, last pump barrel 5, top valve bonnet 6, upper valve ball 7, upper valve base 8, valve rod joint 9, valve rod 10, oil-release valve cover 11, upper plug 12, machinery valve seat 13, mechanical valve 14, annular valve joint 15, center tube joint 16, annular valve body 17, lower valve ball 18, lower valve base 19, valve seat pressure cap 20, center tube 21, following pump barrel joint 22, following pump barrel 23, lower plunger joint 24, lower plunger 25, plunger bottom valve bonnet 26, lower valve ball 27, lower valve base 28, plunger valve seat pressure cap 29, following pump barrel box cupling 30, pump barrel oil-feed valve bonnet 31, pump barrel valve ball 32, pump barrel valve seat 33, pump barrel valve seat pressure cap 34;
The utility model mainly comprises releasing-joint 1, outer tube 2, last pump barrel box cupling 3, disjointed device assembly 4, last pump barrel 5, top valve bonnet 6, upper valve ball 7, upper valve base 8, valve rod joint 9, valve rod 10, oil-release valve cover 11, upper plug 12, center tube 21, following pump barrel joint 22, following pump barrel 23, lower plunger joint 24, lower plunger 25, plunger bottom valve bonnet 26, lower valve ball 27, lower valve base 28, plunger valve seat pressure cap 29, following pump barrel box cupling 30, pump barrel oil-feed valve bonnet 31, pump barrel valve ball 32, pump barrel valve seat 33, pump barrel valve seat pressure cap 34; Releasing-joint 1 connects by outer tube 2 goes up pump barrel box cupling 3; Be provided with disjointed device assembly 4 in last pump barrel 5 inside and connect valve rod joint 9, valve ball 7 and valve seat 8 are arranged in the top valve bonnet 6 by top valve bonnet 6; Valve rod joint 9 connects oil-release valve cover 11 by valve rod 10; Pump barrel box cupling 30 is connected with pump barrel oil-feed valve bonnet 31 under the passing through of following pump barrel 23; Comprise pump barrel valve ball 32 and pump barrel valve seat 33 in the pump barrel oil-feed valve bonnet 31, the other end of pump barrel oil-feed valve bonnet 31 is connected with pump barrel valve seat pressure cap 34; It also comprises the mechanical valve assembly, and the mechanical valve assembly comprises mechanical valve seat 13, is close to the mechanical valve 14 of mechanical valve seat 13, annular valve joint 15, the center tube joint 16 of being close to mechanical valve 14, annular valve body 17, be located at lower valve ball 18 in the annular valve body 17 and lower valve base 19, valve seat pressure cap 20; Last pump barrel 5 is connected in series by mechanical valve assembly and following pump barrel joint 22 with following pump barrel 23; Upper plug 12 is connected with lower plunger 25 usefulness center tubes 21; The endoporus of lower plunger 25 and center tube 21 communicates; Pump barrel box cupling 3 is by the last pump barrel 5 annular valve joint 15 that is threaded; Between center tube 21 and following pump barrel 23, form internal and external double-channel; Annular valve body 17 is connected the interlock type oil-feed structure that realizes operation in parallel with following pump barrel joint 22; Center tube joint 16 is connected with lower plunger joint 24 by center tube 21; Annular valve body 17 two ends link to each other with annular valve joint 15 and valve seat pressure cap 20 respectively, and pump barrel joint 22 linked to each other with following pump barrel 23 under valve seat pressure cap 20 passed through.
Profit polyblends double-acting pump going into the well when using, and should add packet behind pump barrel valve seat pressure cap 34, makes to isolate between oil reservoir and the water layer and does not gang up, and also can realize profit that pump oil pumping, time pump the draw water purpose of polyblending.If only be used for oil pumping, can be without packet, directly descend pump just can realize about the pump purpose of pumping simultaneously.
Working procedure of the present utility model is as follows:
When sucker rod is up, the following cavity space of last pump barrel 5 and following pump barrel 23 increases, pressure reduces, machinery valve seat 13 and mechanical valve 14 and lower plunger traveling valve (comprising plunger bottom valve bonnet 26, valve ball 27, valve seat 28, valve seat pressure cap 29) are closed, annular valve body 17 and bottom standing valve are opened, fluid is entered in the cavity of resorption of pump barrel 5 by annular valve (comprising annular valve body 17, valve ball 18, valve seat 19, valve seat pressure cap 20), and water is entered down in the cavity of resorption of pump barrel 23 by standing valve (comprising pump barrel oil-feed valve bonnet 31, pump barrel valve ball 32, pump barrel valve seat 33, pump barrel valve seat pressure cap 34).
When sucker rod is descending, the following cavity space of pump barrel reduces up and down, pressure increases, annular valve and standing valve are closed, mechanical valve 14 and lower plunger traveling valve are opened, fluid enters pump barrel top by the upper plug endoporus, and water enters pump barrel top from the endoporus of lower plunger 25 and center tube 21, when sucker rod continues oil, water liquid to be entered oil pipe simultaneously when up.
Profit polyblends double-acting pump when going into the well use, should install a cover packet in the bottom of pump additional, makes to isolate between oil reservoir and the water layer and does not gang up, to reach the purpose that profit polyblends.If only be used for oil pumping, can be without packet, directly descend pump just can realize about the pump purpose of pumping simultaneously.
Technical order of the present utility model is:
| Pump footpath specification | φ44/φ32 | φ57/φ38 | φ70/φ44 | |
| Length of stroke (m) | 1.8～6 | |||
| Plungers length (m) | 0.9 | |||
| Connect oil pipe external diameter (mm) | 73 | 73、88.9 | ||
| Link sucker rod diameter (mm) | 19 | 22 | ||
| Plunger diameter (mm) | Upper plug | φ44.45 | φ57.15 | φ69.85 |
| Lower plunger | φ31.75 | φ38.1 | φ44.45 | |
| Valve ball diameter (mm) | Annular valve | φ19.05 | ||
| Standing valve | φ42.88 | |||
| The upper end connects tubing | 2
7/
8 | 2 7/ 8、3 1/ 2TBG | ||
| The lower end connects tubing | 2 7/ 8TBG | |||
| Connect the sucker rod screw thread | CYG19 | CYG22 | ||
| Theoretical flowing capacity (m 3/d) | 28.83～95.12 | 42.7～142.33 | 54.07～180.22 | |
Claims (2)
1, a kind of oil pumping, the double acting sucker rod pump that draws water, it mainly comprises releasing-joint, outer tube, goes up the pump barrel box cupling, the disjointed device assembly, go up pump barrel, top valve bonnet, upper valve ball, upper valve base, valve rod joint, valve rod, oil-release valve cover, upper plug, center tube, pump barrel joint, pump barrel, lower plunger joint, lower plunger, plunger bottom valve bonnet, lower valve ball, lower valve base, plunger valve seat pressure cap, pump barrel box cupling, pump barrel oil-feed valve bonnet, pump barrel valve ball, pump barrel valve seat, pump barrel valve seat pressure cap down down down; Releasing-joint connects by outer tube goes up the pump barrel box cupling; Be provided with the disjointed device assembly in last pump barrel inside and connect the valve rod joint, valve ball and valve seat are arranged in the valve bonnet of top by the top valve bonnet; The valve rod joint connects oil-release valve cover by valve rod; The pump barrel box cupling is connected with pump barrel oil-feed valve bonnet under the passing through of following pump barrel; Comprise pump barrel valve ball and pump barrel valve seat in the pump barrel oil-feed valve bonnet, the other end of pump barrel oil-feed valve bonnet is connected with pump barrel valve seat pressure cap; It is characterized in that: it also comprises the mechanical valve assembly, and the mechanical valve assembly comprises mechanical valve seat (13), is close to the mechanical valve (14) of mechanical valve seat (13), annular valve joint (15), the center tube joint (16) of being close to mechanical valve (14), annular valve body (17), be located at lower valve ball (18) in the annular valve body (17) and lower valve base (19), valve seat pressure cap (20); The described pump barrel (5) of going up is connected in series by mechanical valve assembly and following pump barrel joint (22) with following pump barrel (23); Upper plug (12) is connected with center tube (21) with lower plunger (25); Pump barrel box cupling (3) is by last pump barrel (5) the annular valve joint (15) that is threaded; Center tube joint (16) is connected with lower plunger joint (24) by center tube (21); Annular valve body (17) two ends link to each other with annular valve joint (15) and valve seat pressure cap (20) respectively, and pump barrel joint (22) linked to each other with following pump barrel (23) under valve seat pressure cap (20) passed through.
2, oil pumping according to claim 1, the double acting sucker rod pump that draws water is characterized in that: add packet behind the described pump barrel valve seat pressure cap (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078878 CN2811594Y (en) | 2005-05-31 | 2005-05-31 | Oil-well pump capable of pumping oil and water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520078878 CN2811594Y (en) | 2005-05-31 | 2005-05-31 | Oil-well pump capable of pumping oil and water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2811594Y true CN2811594Y (en) | 2006-08-30 |
Family
ID=36937981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520078878 Expired - Lifetime CN2811594Y (en) | 2005-05-31 | 2005-05-31 | Oil-well pump capable of pumping oil and water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2811594Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102345589A (en) * | 2011-10-25 | 2012-02-08 | 崔建忠 | Dual-track and dual-acting oil extraction device |
| CN101270633B (en) * | 2008-04-24 | 2012-04-25 | 中国海洋石油总公司 | Constant-pressure injection pile-up valve for down-hole non-block production |
| CN109973371A (en) * | 2019-05-13 | 2019-07-05 | 西南石油大学 | Tandem double acting injection-extraction pump for high-water-cut oil-producing well |
-
2005
- 2005-05-31 CN CN 200520078878 patent/CN2811594Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270633B (en) * | 2008-04-24 | 2012-04-25 | 中国海洋石油总公司 | Constant-pressure injection pile-up valve for down-hole non-block production |
| CN102345589A (en) * | 2011-10-25 | 2012-02-08 | 崔建忠 | Dual-track and dual-acting oil extraction device |
| CN109973371A (en) * | 2019-05-13 | 2019-07-05 | 西南石油大学 | Tandem double acting injection-extraction pump for high-water-cut oil-producing well |
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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: CHINA PETROLEUM +. NATURAL GAS CO., LTD. Free format text: FORMER OWNER: YUMEN PETROL ADMINISTRATION Effective date: 20120503 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 735200 JIUQUAN, GANSU PROVINCE TO: 100007 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120503 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China Petroleum & Natural Gas Co., Ltd. Address before: 735200 middle reaches of Yumen City, Gansu Province Patentee before: Yumen Oil Field Administration |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150531 Granted publication date: 20060830 |