CN101169113A - Tube type gas-tight oil-well pump with salvaging standing valve - Google Patents
Tube type gas-tight oil-well pump with salvaging standing valve Download PDFInfo
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- CN101169113A CN101169113A CNA2007101684592A CN200710168459A CN101169113A CN 101169113 A CN101169113 A CN 101169113A CN A2007101684592 A CNA2007101684592 A CN A2007101684592A CN 200710168459 A CN200710168459 A CN 200710168459A CN 101169113 A CN101169113 A CN 101169113A
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- standing valve
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- oil
- salvaging
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Abstract
The invention discloses a standing valve salvageable pipe type gas-proof oil pump which can be used in a gas well in the oil filed. The pump comprises a pull rod, a circumduction valve, an upper seat sealing device, a plunger assembly, a pump cylinder, a salvaging assembly, a bottom seat sealing assembly, and so on. The pump can normally work in the gas well, can prevent the gas-locking effectively, can prolong the service life, and can improve the pump efficiency. The plunger assembly and the standing valve can be lifted out by a simple action on ground when needing maintenance, and the operation expense for taking out the oil pipe when examining and repairing the standing valve is reduced.
Description
Technical field
The present invention relates to a kind of oil field operation deep-well oil pump, particularly a kind of a kind of tube type gas-tight oil-well pump with salvaging standing valve of using in the gassiness oil well of being adapted at.
Background technique
It is more to contain gas well in China oil field, is easy to generate gas lock when adopting common oil well pump to recover the oil, and causes the oil well pump pump efficiency to reduce, even not fuel-displaced.When using common tubular type gas prevention pump, when oil well pump need overhaul, ground can only be proposed plunger, and standing valve and pump barrel are linked together, and can not mention the ground maintenance, therefore whole tubing system need be taken out, could overhaul standing valve, so just increase operating cost.
Summary of the invention
The objective of the invention is to overcome above-mentioned drawback, a kind of tube type gas-tight oil-well pump with salvaging standing valve that is applicable to that the gassiness oil well uses is provided, can prevent effectively that gas is to the influence of oil well pump in the crude oil, this pump pump efficiency height, long service life, and easy access, but fixed tubular column is changed easily damaged parts, greatly reduce operating cost, reduced the activity duration.
The object of the present invention is achieved like this: a kind of tube type gas-tight oil-well pump with salvaging standing valve, comprise pump barrel 6, pump barrel 6 is connected with top-supported joint 5, pull bar 2 places in the head base envelope assembly 4, head base envelope assembly 4 places in the top-supported joint 5, rod head 1 is connected with pull bar 2, annular air trap 3 is sleeved on the pull bar 2, plunger 8 two ends in the pump housing are respectively equipped with upper travelling valve 7 and lower travelling valve 9, lower travelling valve 9 lower ends are for dragging for 10, drag for 10 and be connected with standing valve extractor 11, standing valve extractor 11 is connected with standing valve 12, and pump barrel 6 bottoms are provided with the mechanical block sealing mechanism of being made up of base part seat envelope assembly 13 and bottom supporting joint 14.
Tube type gas-tight oil-well pump with salvaging standing valve provided by the present invention, after adopting said structure, owing to increased by a collar-shaped air trap device on the top of pump, annular air trap, traveling valve and standing valve are divided into upper and lower two chambers with pump, the annular valve ball cover cooperates with less clearance on pull bar.The head base sealing mechanism of pump adopts novel soft seal combining form, has improved the reliability of plunger in pump barrel internal fixation and sealing greatly.During the pump down stroke, annular air trap bears fluid column load in the oil pipe, makes traveling valve not bear oily intraluminal fluid and annotates load, thereby pump chamber pressure is reduced rapidly, and the traveling valve on the plunger is opened rapidly, and the gas of following pump chamber can not be compressed, gas mixture is discharged by traveling valve, enters the pump epicoele.During up stroke, traveling valve cuts out, and pull bar drives ring-like anti-balloon and opens rapidly, and the gas mixture of pump epicoele is discharged by ring-like gas-tight ball valve, and at this moment, the pump cavity of resorption is not owing to there are pressurized gas to expand, and standing valve also can be opened rapidly, and crude oil enters down pump chamber fast.
Simultaneously, the parts of being made up of standing valve extractor 11, standing valve 12, base part seat envelope assembly 13 can be by being installed in the 10 proposition pump barrel that drag on the plunger.Therefore, when needs overhaul oil well pump, just can carry out after the simple operations movable part being mentioned ground with sucker rod the operating cost that oil pipe need have been taken out when so just having reduced the maintenance standing valve on ground.
Description of drawings
Below in conjunction with drawings and Examples the present invention is done a step explanation.
Fig. 1 is a structural representation of the present invention.
Embodiment
The present invention adopts following structure: a kind of tube type gas-tight oil-well pump with salvaging standing valve, comprise pump barrel 6, pump barrel 6 is connected with top-supported joint 5, pull bar 2 places in the head base envelope assembly 4, head base envelope assembly 4 places in the top-supported joint 5, rod head 1 is connected with pull bar 2, annular air trap 3 is sleeved on the pull bar 2, plunger 8 two ends in the pump housing are respectively equipped with upper travelling valve 7 and lower travelling valve 9, lower travelling valve 9 lower ends are for dragging for 10, drag for 10 and be connected with standing valve extractor 11, standing valve extractor 11 is connected with standing valve 12, and pump barrel 6 bottoms are provided with the mechanical block sealing mechanism of being made up of base part seat envelope assembly 13 and bottom supporting joint 14.
Among the present invention, by the pump barrel parts of going into the well with oil pipe that parts such as top-supported joint 5, pump barrel 6, bottom supporting joint 14 are formed, top is linked to each other with oil pipe by tubing coupling.And by the rod head 1 that connects with sucker rod, pull bar 2, annular air trap 3, head base envelope assembly 4, the upper and lower valve 79 that moves about, plunger 8, drag for 10, movable part that parts such as standing valve extractor 11, standing valve 12, base part seat envelope assembly 13 are formed can go into the well with sucker rod.
During mining operations, if go into the well for the first time, the parts that standing valve extractor 11, standing valve 12, base part seat envelope assembly 13 are formed can be taken one's seat on ground and seal on the bottom supported joint 14, parts such as top-supported joint 5, pump barrel 6, bottom supporting joint 14 are lowered to the oil well designed depth with oil pipe.Rod head 1, pull bar 2, annular air trap 3, head base envelope assembly 4, the upper and lower valve 7,9 that moves about, plunger 8, drag for the parts that parts such as 10 form and go into the well, bump pump and carry normally to open behind the over-stroke and take out with sucker rod.Owing to increased by a collar-shaped air trap device on the top of pump, during the pump down stroke, the annular air trap bears fluid column load in the oil pipe, make traveling valve not bear oily intraluminal fluid and annotate load, thereby pump chamber pressure is reduced rapidly, and the traveling valve on the plunger is opened rapidly, and the gas of following pump chamber can not be compressed, gas mixture is discharged by traveling valve, enters the pump epicoele.During up stroke, traveling valve cuts out, and pull bar drives ring-like anti-balloon and opens rapidly, and the gas mixture of pump epicoele is discharged by ring-like gas-tight ball valve, and at this moment, the pump cavity of resorption is not owing to there are pressurized gas to expand, and standing valve also can be opened rapidly, and crude oil enters down pump chamber fast.
When the needs operation is overhauled, transfer sucker rod spray pump, make at ground clockwise direction rotation sucker rod and drag for 10 and link to each other with standing valve extractor 11, carry sucker rod on then standing valve 12, base part seat envelope assembly 13 proposition ground to be overhauled.
After maintenance is finished, will drag for 10 and link to each other, and in the sucker rod lower going-into-well, bump pump and carry normally to open behind the over-stroke and take out with standing valve extractor 11, standing valve 12, base part seat envelope assembly 13.
Because used annular air trap 3, head base envelope assembly 4, drag for 10 with structures such as standing valve extractor 11, base part seat envelope assembly 13, this pump can effectively be used in the gassiness oil well, improved pump efficiency, and maintenance does not need oil pipe is proposed the time, reduced operation cost, shorten the activity duration, reduced cost for oil production.
Claims (1)
1. tube type gas-tight oil-well pump with salvaging standing valve, comprise pump barrel (6), it is characterized in that: pump barrel (6) is connected with top-supported joint (5), pull bar (2) places in the head base envelope assembly (4), head base envelope assembly (4) places in the top-supported joint (5), rod head (1) is connected with pull bar (2), annular air trap (3) is sleeved on the pull bar (2), plunger (8) two ends in the pump housing are respectively equipped with upper travelling valve (7) and lower travelling valve (9), lower travelling valve (9) lower end is for dragging for head (10), dragging for head (10) is connected with standing valve extractor (11), standing valve extractor (11) is connected with standing valve (12), and pump barrel (6) bottom is provided with the mechanical block sealing mechanism of being made up of base part seat envelope assembly (13) and bottom supporting joint (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101684592A CN101169113A (en) | 2007-11-21 | 2007-11-21 | Tube type gas-tight oil-well pump with salvaging standing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101684592A CN101169113A (en) | 2007-11-21 | 2007-11-21 | Tube type gas-tight oil-well pump with salvaging standing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101169113A true CN101169113A (en) | 2008-04-30 |
Family
ID=39389848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101684592A Pending CN101169113A (en) | 2007-11-21 | 2007-11-21 | Tube type gas-tight oil-well pump with salvaging standing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101169113A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858206A (en) * | 2010-06-23 | 2010-10-13 | 山东寿光市坤隆石油机械股份有限公司 | Bushing evacuating device and installation method |
| CN107084123A (en) * | 2017-06-27 | 2017-08-22 | 河南福侨石油装备有限公司 | Fixed sand setting chamber Anti-sand oil pump |
| CN108252902A (en) * | 2016-12-28 | 2018-07-06 | 克拉玛依胜利高原机械有限公司 | The process of improved tubing pump and motionless tubing string maintenance pump |
| CN112196486A (en) * | 2020-09-03 | 2021-01-08 | 中国石油天然气股份有限公司 | Pump detection process for immobile pipe column of three-component composite drive breathing pump |
-
2007
- 2007-11-21 CN CNA2007101684592A patent/CN101169113A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858206A (en) * | 2010-06-23 | 2010-10-13 | 山东寿光市坤隆石油机械股份有限公司 | Bushing evacuating device and installation method |
| CN101858206B (en) * | 2010-06-23 | 2012-10-03 | 山东寿光市坤隆石油机械股份有限公司 | Bushing evacuating device and installation method |
| CN108252902A (en) * | 2016-12-28 | 2018-07-06 | 克拉玛依胜利高原机械有限公司 | The process of improved tubing pump and motionless tubing string maintenance pump |
| CN107084123A (en) * | 2017-06-27 | 2017-08-22 | 河南福侨石油装备有限公司 | Fixed sand setting chamber Anti-sand oil pump |
| CN112196486A (en) * | 2020-09-03 | 2021-01-08 | 中国石油天然气股份有限公司 | Pump detection process for immobile pipe column of three-component composite drive breathing pump |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080430 |