CN201176922Y - Bridge type separated oil production pump - Google Patents
Bridge type separated oil production pump Download PDFInfo
- Publication number
- CN201176922Y CN201176922Y CNU2007203053580U CN200720305358U CN201176922Y CN 201176922 Y CN201176922 Y CN 201176922Y CN U2007203053580 U CNU2007203053580 U CN U2007203053580U CN 200720305358 U CN200720305358 U CN 200720305358U CN 201176922 Y CN201176922 Y CN 201176922Y
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- pump
- pump barrel
- valve
- barrel
- plunger
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Abstract
The utility model relates to an overbridge type separate exploitation oil pump and belongs to the oil exploitation mechanical field. The oil pump overcomes the disadvantages of the prior dual-pump separate exploitation technology; the pump is formed by an upper pump, a lower pump and an eccentric oil inlet valve; an upper pump barrel is provided with a large plunger piston; the upper end of the large plunger piston is provided with an upper traveling pump directly connected with an oil pumping rod; the upper pump barrel is coupled by an oil pipe and connected with the oil pipe on the upper part; the lower end of the large plunger piston is connected with a long plunger piston of the lower pump by a dividing valve and an aligning pivot journal; a plunger piston assembly of the lower pump is formed by the long plunger piston, a lower traveling valve and a mandril; a lower pump barrel assembly is formed by a short pump barrel and an elongated pump barrel; an overbridge fixed valve assembly is connected to the bottom of the lower pump barrel; and the upper pump barrel and the lower pump barrel are connected into a whole by the eccentric oil inlet valve. The upper pump barrel, the lower pump barrel and the plunger piston are arranged coaxially; and a set of valves of the eccentric oil inlet valve are eccentrically arranged relative to the axial center and annularly arrayed in the periphery of the upper pump barrel. The pump adopts seat sealing and ball casting and puts the plunger piston into production, has a reasonable and compact structure, realizes that two oil layers are exploited by one pump, removes the interference between layers and improves the output of an oil well.
Description
Technical field
The utility model relates to a kind of bridge-type defueling pump of crossing, and is mainly used in the separate zone production of oil well, belongs to the oil recovery machiner field of petroleum industry.
Background technique
Current, the oil field layering oil production technology is exactly that with packet with the upper and lower oil reservoir of oil well separately last interval is exploited with conventional separate extracting pump, lower floor exploits with common tubing pump, pump degree of depth difference under two pumps promptly adopt the double pump branch to adopt technology, owing to will guarantee that two pump plungers are in the interior relevant work position of pump barrel separately simultaneously up and down, the necessary assembly of tubing string and roofbolt is accurate, the execute-in-place difficulty of getting up is big, time-consuming, poor reliability, and cost increases, therefore, the double pump branch is adopted technology popularization at the scene and is restricted.
The model utility content
The purpose of this utility model is to overcome the deficiency that present double pump branch is adopted technology, through rigorous design, a kind of bridge-type defueling pump of crossing is provided, this oil well pump compactness rational in infrastructure, realized that an oil well pump can exploit respectively two oil reservoirs, eliminate the interlayer interference of oil reservoir, improved oil well output.
The utility model adopts following technological scheme, be that a kind of bridge-type defueling pump of crossing is by last pump, the eccentric oiling valve of following pump and connection two pumps constitutes, it is characterized in that big plunger is arranged in the pump barrel, huge pillar is held beyond the Great Wall and upper travelling valve is housed is directly linked to each other with sucker rod, last pump barrel links to each other with the top oil pipe by tubing coupling, diverter valve is passed through in big plunger lower end, the aligning joint connects with the long-plunger of following pump, following pump is by long-plunger, lower travelling valve, push rod constitutes the plunger piston assembly of pump down, by short pump barrel and the following pump barrel assembly that constitutes of lengthening pump barrel, gap bridge standing valve assembly is connected lengthening pump barrel bottom by pressed joint, on, following pump barrel is connected as a single entity by eccentric oiling valve.
The above-mentioned coaxial setting of upper and lower pump barrel of crossing its oiling valve connection of bridge-type defueling pump; Big plunger and the coaxial setting of long-plunger by the connection of aligning joint; Diverter valve and lower travelling valve all adopt the one-way valve form, and it is logical that its setting can avoid upper and lower oil reservoir liquid to scurry, and eliminate the pressure disturbances between oil reservoir in the imbibition process.
Cross the bridge-type defueling pump, following pump barrel is made up of short pump barrel and lengthening pump barrel, and both are threaded by the pump barrel box cupling.
Cross the bridge-type defueling pump, the relative axle center biasing of the valve group of its eccentric oiling valve annular array is in the periphery of last pump barrel.The valve group of eccentric oiling valve can be from oil jacket annular space feed liquor.
Cross the bridge-type defueling pump, its diverter valve is installed on big plunger lower end, is the one-way valve form, and the inner chamber of ring cavity in the communication between pump barrel and the long-plunger and big plunger is by the ring cavity feed liquor between last pump barrel and the long-plunger, from big plunger cavity fluid.
Working procedure of the present utility model is as follows: will cross bridge-type separate extracting pump pump barrel part and connect with separate-layer production string, and go into the well with oil pipe.After in place, oil pipe is suppressed, and liquid stream sets the pump lower packet by the pump barrel inner chamber.Packer setting finishes, and is lowered to plunger piston assembly with sucker rod, bumps pump, and fixing ball valve drops on the fixed valve base, and at this moment, oil well pump can normally leave and take out.
During up stroke, sucker rod drives big plunger, long-plunger uplink synchronization, upper travelling valve is closed, ring cavity between last pump barrel and the long-plunger and following pump barrel suction chamber volume increase, pressure reduces, and the valve ball of eccentric oiling valve and fixed valve ball are opened, and last oil reservoir liquid enters the pump ring cavity by eccentric oiling valve, following oil reservoir liquid enters down in the pump, the oil well pump imbibition.When last formation pressure during greater than following formation pressure, diverter valve is opened, and lower travelling valve is closed; When formation pressure was greater than last formation pressure instantly, lower travelling valve was opened, and diverter valve cuts out: two suction chamber liquid can not be scurried logical.
During down stroke, big plunger and long-plunger DL synchronization, eccentric oiling valve and following standing valve are closed, upper travelling valve, lower travelling valve and diverter valve are all opened, the liquid of following pump suction chamber flows into through long-plunger and goes up in the big plunger of pump, mix through the liquid that diverter valve flows into last pump ring cavity, jointly by upper travelling valve oil pipe discharge opeing on pump.
Description of drawings
Fig. 1 was a bridge-type defueling pump cross-sectional view.
Among the figure, tubing coupling 1, sucker rod 2, last pump barrel 3, upper travelling valve 4, big plunger 5, diverter valve 6, aligning joint 7, eccentric oiling valve 8, long-plunger 9, short pump barrel 10, pump barrel box cupling 11, lengthening pump barrel 12, lower travelling valve 13, push rod 14, pressed joint 15, lock ball pawl 16, fixed valve ball 17, gap bridge standing valve 18.
Embodiment
Below in conjunction with drawings and Examples structure of the present utility model is further specified, as shown in Figure 1, a kind of bridge-type defueling pump of crossing, by last pump, pump and the eccentric oiling valve 8 that connects two pumps constitute down, last pump barrel 3 connects with oil pipe on the pump by tubing coupling 1.Big plunger 5 is arranged in the last pump barrel 3, and big plunger 5 upper ends are equipped with upper travelling valve 4 and are directly linked to each other with sucker rod 2, and the lower end connects with the long-plunger 9 of following pump by diverter valve 6, aligning joint 7.Aligning joint 7 adopts the sphere tuningout, guarantees big plunger 5 and long-plunger 9 coaxial settings.Connect lower travelling valve 13, push rod 14 below the long-plunger 9 successively.Following pump barrel is made up of short pump barrel 10 and lengthening pump barrel 12, and both are threaded by pump barrel box cupling 11, and lengthening pump barrel 12 bottoms connect pressed joint 15, gap bridge standing valve 18.Lock ball pawl 16 hangs on gap bridge standing valve 18 epicoele step places, and is upwards spacing by pressed joint 15.Lock ball pawl 16 axially had chute, and the fixed valve ball 17 that drops into from well head is by its support; Upper and lower pump barrel is connected as a single entity by eccentric oiling valve 8, becomes coaxial setting; The relative axle center biasing of the valve group of eccentric oiling valve, long-plunger passes at eccentric oiling valve inner chamber; Before plunger bumps pump, unobstructed in the upper and lower pump barrel.
Claims (7)
1, a kind of bridge-type defueling pump of crossing is by last pump, following pump and eccentric oiling valve (8) constitute, it is characterized in that big plunger (5) is arranged in the pump barrel (3), big plunger (5) upper end is equipped with upper travelling valve (4) and is directly linked to each other with sucker rod (2), last pump barrel (3) links to each other with the top oil pipe by tubing coupling (2), big plunger (5) lower end is by diverter valve (6), aligning joint (7) connects with the long-plunger (9) of following pump, by long-plunger (9), lower travelling valve (13), push rod (14) constitutes pump plunger assembly down, constitute pump barrel assembly down by short pump barrel (10) and lengthening pump barrel (12), gap bridge standing valve (18) assembly is connected lengthening pump barrel (12) bottom by pressed joint (15), on, following pump barrel is connected as a single entity by eccentric oiling valve (8).
2, the bridge-type defueling pump of crossing as claimed in claim 1 is characterized in that the coaxial setting of upper and lower pump barrel.
3, the bridge-type defueling pump of crossing as claimed in claim 1 is characterized in that the big plunger (5) and the coaxial setting of long-plunger (9) that are connected by aligning joint (8).
4, the bridge-type defueling pump of crossing as claimed in claim 1 is characterized in that diverter valve (6) and lower travelling valve (13) adopt one-way valve.
5, the bridge-type defueling pump of crossing as claimed in claim 1 is characterized in that the bridge-type defueling pump, and following pump barrel is made of short pump barrel (10) and lengthening pump barrel (12), and both are threaded by pump barrel box cupling (11).
6, the bridge-type defueling pump of crossing as claimed in claim 1, the relative axle center biasing of the valve group annular array that it is characterized in that eccentric oiling valve (8) is in the periphery of last pump barrel (3).
7, the bridge-type defueling pump of crossing as claimed in claim 1 is characterized in that one-way valve (6) communications in the ring cavity between the pump barrel (3) and long-plunger (9) and the inner chamber of plunger (5) greatly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203053580U CN201176922Y (en) | 2007-12-03 | 2007-12-03 | Bridge type separated oil production pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203053580U CN201176922Y (en) | 2007-12-03 | 2007-12-03 | Bridge type separated oil production pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176922Y true CN201176922Y (en) | 2009-01-07 |
Family
ID=40216941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007203053580U Expired - Lifetime CN201176922Y (en) | 2007-12-03 | 2007-12-03 | Bridge type separated oil production pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201176922Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906948A (en) * | 2010-07-29 | 2010-12-08 | 马宝忠 | Layer mining converter of defueling pump |
| CN105370239A (en) * | 2014-08-26 | 2016-03-02 | 天津大港油田钻采技术开发公司 | Hydraulic-set separate-layer simultaneous-extraction string |
| CN112065698A (en) * | 2020-09-25 | 2020-12-11 | 山东威马泵业股份有限公司 | Multi-working-cavity oil well pump with full-stroke liquid feeding function |
-
2007
- 2007-12-03 CN CNU2007203053580U patent/CN201176922Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906948A (en) * | 2010-07-29 | 2010-12-08 | 马宝忠 | Layer mining converter of defueling pump |
| CN105370239A (en) * | 2014-08-26 | 2016-03-02 | 天津大港油田钻采技术开发公司 | Hydraulic-set separate-layer simultaneous-extraction string |
| CN112065698A (en) * | 2020-09-25 | 2020-12-11 | 山东威马泵业股份有限公司 | Multi-working-cavity oil well pump with full-stroke liquid feeding function |
| CN112065698B (en) * | 2020-09-25 | 2024-05-24 | 山东威马泵业股份有限公司 | Multi-working-chamber oil pump capable of feeding liquid in full stroke |
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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: TIANJIN DAGANG OILFIELD DRILLING TECHNOLOGY DEVELO Effective date: 20120705 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300280 GROUP CO., LTD. SCIENCE AND TECHNOLOGY DEVELOPMENT, DAGANG OILFIELD, DAGANG DISTRICT, TIANJIN CITY TO: 300280 DAGANG, TIANJIN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120705 Address after: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Co-patentee after: Tianjin Dagang Oilfield Drilling Technology Development Co., Ltd. Patentee after: Dagang Oil Field Group Co., Ltd. Address before: 300280 Refco Group Ltd science and technology development department, Dagang Oilfield, Tianjin, Grand Port Patentee before: Dagang Oil Field Group Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee after: Dagang Oil Field Group Co., Ltd. Patentee after: DRILLING TECHNOLOGY DEVELOPMENT COMPANY, TIANJIN DAGANG OILFIELD RESEARCH INSTITUTE OF PETROLEUM ENGINEERING Address before: Three Dagang oil field, Tianjin, Grand Port, No. 300280 Patentee before: Dagang Oil Field Group Co., Ltd. Patentee before: Tianjin Dagang Oilfield Drilling Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090107 |
|
| CX01 | Expiry of patent term |