CN103573223A - Automatic airlock eliminating device of electric submersible pump - Google Patents
Automatic airlock eliminating device of electric submersible pump Download PDFInfo
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- CN103573223A CN103573223A CN201310505897.9A CN201310505897A CN103573223A CN 103573223 A CN103573223 A CN 103573223A CN 201310505897 A CN201310505897 A CN 201310505897A CN 103573223 A CN103573223 A CN 103573223A
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- submersible pump
- electric submersible
- gas lock
- airlock
- convex platform
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Abstract
The invention discloses an automatic airlock eliminating device of an electric submersible pump. The automatic airlock eliminating device of the electric submersible pump comprises a body adopting a tubular structure, wherein an inner boss integrally formed with the body is arranged in the tubular-structure body, a locating clamp ring is arranged at the position, which keeps a certain distance from the inner boss, of the upper end of the inner boss, a movable valve element is clamped between the locating clamp ring and the inner boss, and a runner is formed in the middle part of the valve element. The automatic airlock eliminating device has the benefits as follows: when a producing well causes an airlock phenomenon, the electric submersible pump can automatically eliminate the airlock phenomenon, and no additional cost is required, so that the offshore oilfield producing well can resume production rapidly, the hourly rate of production of the producing well is increased, and the loss of the yield is avoided, meanwhile, compared with a traditional manual airlock eliminating manner, no manual intervention is needed, the operation risk of eliminating the airlock phenomenon at sea by staff is reduced, a large quantity of operation cost for processing a fault of an oil well is reduced, and the automatic airlock eliminating device is high in reliability and high in safety factor.
Description
Technical field
The present invention relates to marine electric submersible pump oil development field, specifically, relate to the device that a kind of a kind of electric submersible pump that energy automatic unlocking resumes production after marine electric submersible pump oil well electric submerged pump generation gas lock automatically terminates gas lock.
Background technology
Chinese Sea oil has passed through the development of decades, total generic failure problem at reply electric submersible pump producing well has summed up various effective treating methods, when electric immersible pump well breaks down, can solve fast, avoid the loss of output and large-scale mobilization personnel to carry out to fault electric immersible pump well the cost that workover treatment brings.But, due to the invisibility of oil field geologic situation, to obtaining data in development process, may there is deviation, in the actual development process of oil field actual conditions may with different design, the problem causing is like this more difficult.As in the carbonated electric immersible pump well of height, if the sleeve pipe of electric submersible pump upper packer packing does not possess anti-carbon dioxide corrosion, cannot be lowered to the packer with vent valve, solve the impact of gas on electric submersible pump.
Offshore oilfield is when running into electric pump gas lock at present, mainly by mobilization personnel, producing well is carried out to steel wire and drag for plug operation, electric submersible pump gas is around discharged into electric pump top by plug place, thereby realize electric submersible pump, be submerged in liquid, from new startup electric submersible pump, electric submersible pump can contact gas lock impact, normal well liquid, the production restoration of discharging.Such method will be sacrificed the running time of electric submersible pump, thus the loss that has brought output; Mobilize personnel also to need a considerable expense simultaneously.
By this, in order to overcome existing marine electric immersible pump well in the production loss that occurs to bring after gas lock and to save the expense of processing gas lock, design aly when offshore oil gas well is after electric submersible pump generation gas lock, electric submersible pump can automatically terminate the device of gas lock, is necessary.
Summary of the invention
The electric submersible pump that a kind of offshore oil gas well that the object of the invention is to overcome the deficiency of above-mentioned prior art and provide can automatically terminate after electric submersible pump generation gas lock automatically terminates the device of gas lock.When this device has not only been realized electric pump well generation gas lock, can in the short period, automatically terminate, but also improve the production time efficiency of oil well, avoid production loss, save a large amount of operating costs that oil well failure is processed.
The present invention solves the technical scheme that prior art problem adopts: a kind of electric submersible pump automatically terminates the device of gas lock, comprise body, described body in tubular construction, in described tubular structure body, be provided with an inner convex platform integrated with it, upper end in described inner convex platform is provided with a location snap ring near described inner convex platform certain distance, between described location snap ring and inner convex platform, be arranged with the spool of a movable movement, the middle part of described spool has a runner.
Below above technical scheme is further elaborated:
Preferably, the length of described spool is not less than the distance of described inner convex platform and described locator card interannular.
Preferably, the upper end of described spool is provided with a flange, and lower end is tapered, and described band runner spool is arranged between described inner convex platform and location snap ring by described flange.
Preferably, described spool is stainless steel.
Preferably, the size of described runner is adjustable.
Preferably, the upper and lower both ends open of described tubular structure body; Opening in snap ring one end, described location is internal thread, so that described tubular structure body is connected with flow string; Opening in described inner convex platform one end is external screw thread, so that described tubular structure body is connected with electric submersible pump electric pump outlet tubing string.
The invention has the beneficial effects as follows:
One, after at sea oilfield producing well electric submersible pump generation gas lock is closed down, electric submersible pump of the present invention automatically terminates the device of gas lock, fluid in its top flow string is by described band runner spool, under the effect of gravity, flow to the bottom that this electric submersible pump automatically terminates the device of gas lock, the bottom pressure that automatically terminates the device of gas lock at this electric submersible pump is greater than after its upper pressure, packing causes the gas of electric submersible pump gas lock upwards to discharge by described band runner spool around at electric submersible pump, thereby realize electric submersible pump, automatically terminates gas lock fault.
Two, the present invention is when producing well generation gas lock, and electric submersible pump used can automatically terminate gas lock, without additional too many cost, offshore oilfield producing well can be resumed production fast, has improved the production time efficiency of oil well, has avoided the loss of output.
Three, electric submersible pump of the present invention automatically terminates the device of gas lock, not only realized when electric pump well generation gas lock and can in the short period, automatically terminate, simultaneously, with respect to traditional artificial releasing gas lock, without personnel, intervene, reduced the operating risk of the marine releases of personnel, saved a large amount of operating costs that oil well failure is processed, and reliability has been strong, safety factor is high.
Four, in the present embodiment; the large I of described runner is selected according to the electric pump situation of different offshore oil producing wells; thereby realize, to greatest extent electric submersible pump is protected; prevent that it is excessive at startup immediate current; cause motor to damage; meanwhile, can remove electric submersible pump gas lock problem with the shortest time again.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view that electric submersible pump of the present invention automatically terminates the device of gas lock;
Fig. 2 is the present invention's use state diagram in actual applications;
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Wherein, body 100; Inner convex platform 101; Location snap ring 102; Spool 103; Runner 104; Flange 105; Internal thread 106; External screw thread 107; Flow string 200; Electric submersible pump 300.
The specific embodiment
Below with reference to drawings and the specific embodiments, describe technical scheme of the present invention in detail, so as clearer, understand invention essence of the present invention intuitively.
As shown in Figure 1, for a kind of electric submersible pump provided by the invention automatically terminates the device of gas lock, it comprises body 100, described body 100 in tubular construction, in described tubular structure body 100, be provided with an inner convex platform 101 integrated with it, upper end in described inner convex platform 101 is provided with a location snap ring 102 near described inner convex platform 101 certain distances, is arranged with the spool 103 of a movable movement between described location snap ring 102 and inner convex platform 101, and the middle part of described spool 103 has a runner 104.
It should be noted that, the length of described spool 103 is not less than the distance of 102 of described inner convex platform 101 and described location snap rings.
The upper end that it is emphasized that described spool 103 is provided with a flange 104, and lower end is tapered, and described spool 103 is arranged between described inner convex platform 101 and location snap ring 102 by described flange 104.
In the present embodiment, described spool 103 is stainless steel, makes long service life.
And meanwhile, the size of described runner 104 is adjustable.Specifically; the large I of described runner 104 is selected according to electric submersible pump 300 situations of different offshore oil producing wells; thereby realize, to greatest extent electric submersible pump 300 is protected; prevent that it is excessive at startup immediate current; cause motor to damage; meanwhile, can remove electric submersible pump 300 gas lock problems with the shortest time again.
Further, described tubular structure body both ends open Shang Xia 100; Opening in snap ring 102 one end, described location is internal thread 106, so that described tubular structure body 100 is connected with flow string 200; Opening in described inner convex platform 101 one end is external screw thread 107, so that described tubular structure body 100 is connected with the electric pump outlet tubing string of electric submersible pump 300.
For ease of more thorough understanding operating principle of the present invention, with the use state diagram in actual applications of the present invention shown in Fig. 2, do further simple declaration, roughly operating principle of the present invention is: electric submersible pump automatically terminates gas locking device, at electric submersible pump 300, occur after gas lock termination of pumping, electric submersible pump shown in figure 300 is around gas entirely, electric submersible pump automatically terminates the upper flow of device body 100 of gas lock by by being provided with the spool 103 of runner 104, under the effect of pressure reduction, flow to the bottom that electric submersible pump automatically terminates the device body 100 of gas lock, the upper pressure that electric submersible pump automatically terminates the device body 100 of gas lock is P1, bottom pressure is P2, P2 is that oil well is at the static pressure of this position, when the upper pressure P1 that automatically terminates the device body 100 of gas lock when electric submersible pump is less than P2 after liquid-column height declines, electric submersible pump 300 gas is around automatically terminated in the device body 100 of gas lock and is provided with the spool 103 with runner 104 by electric submersible pump under the effect of pressure, be discharged to this device top, now electric submersible pump 300 is submerged in well liquid again, gas lock is removed.
In sum, can learn, after at sea oilfield producing well electric submersible pump generation gas lock is closed down, electric submersible pump of the present invention automatically terminates the device of gas lock, fluid in its top flow string 200 is by the described spool 103 that is provided with runner 104, under the effect of gravity, flow to the bottom that this electric submersible pump automatically terminates the device body 100 of gas lock, the bottom pressure that automatically terminates the device body 100 of gas lock at this electric submersible pump is greater than after its upper pressure, packing causes the gas of electric submersible pump gas lock upwards to discharge by the described spool 103 that is provided with runner 104 around at electric submersible pump 300, thereby realize electric submersible pump and automatically terminate gas lock fault.
The present invention is when producing well generation gas lock, electric submersible pump 300 used can automatically terminate gas lock, without additional too many cost, offshore oilfield producing well can be resumed production fast, improved the production time efficiency of oil well, avoided the loss of output, meanwhile, with respect to traditional artificial releasing gas lock, without personnel, intervene, reduced the operating risk of the marine releases of personnel, saved a large amount of operating costs that oil well failure is processed, and reliability has been strong, safety factor is high.
Above said content is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes manual of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. an electric submersible pump automatically terminates the device of gas lock, comprise body, it is characterized in that: described body in tubular construction, in described tubular structure body, be provided with an inner convex platform integrated with it, upper end in described inner convex platform is provided with a location snap ring near described inner convex platform certain distance, between described location snap ring and inner convex platform, be arranged with the spool of a movable movement, the middle part of described spool has a runner.
2. electric submersible pump according to claim 1 automatically terminates the device of gas lock, it is characterized in that: the length of described spool is not less than the distance of described inner convex platform and described locator card interannular.
3. electric submersible pump according to claim 2 automatically terminates the device of gas lock, it is characterized in that: the upper end of described spool is provided with a flange, and lower end is tapered, and described band runner spool is arranged between described inner convex platform and location snap ring by described flange.
4. according to the electric submersible pump described in claim 1-3 any one, automatically terminate the device of gas lock, it is characterized in that: described spool is stainless steel.
5. electric submersible pump according to claim 1 automatically terminates the device of gas lock, it is characterized in that: the size of described runner is adjustable.
6. electric submersible pump according to claim 1 automatically terminates the device of gas lock, it is characterized in that: the upper and lower both ends open of described tubular structure body; Opening in snap ring one end, described location is internal thread, so that described tubular structure body is connected with flow string; Opening in described inner convex platform one end is external screw thread, so that described tubular structure body is connected with electric submersible pump electric pump outlet tubing string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505897.9A CN103573223B (en) | 2013-10-24 | 2013-10-24 | A kind of electric submersible pump automatically terminates the device of gas lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505897.9A CN103573223B (en) | 2013-10-24 | 2013-10-24 | A kind of electric submersible pump automatically terminates the device of gas lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103573223A true CN103573223A (en) | 2014-02-12 |
| CN103573223B CN103573223B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310505897.9A Expired - Fee Related CN103573223B (en) | 2013-10-24 | 2013-10-24 | A kind of electric submersible pump automatically terminates the device of gas lock |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886605A (en) * | 2018-09-10 | 2020-03-17 | 中国石油天然气股份有限公司 | Method and device for recovering yield of pump detection well |
| CN113007087A (en) * | 2021-03-24 | 2021-06-22 | 中联煤层气有限责任公司 | Structure for removing gas lock of diaphragm pump of coal-bed gas well |
Citations (10)
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| US2744469A (en) * | 1953-06-05 | 1956-05-08 | Edward J Schaefer | Valve structure for preventing air lock in pumps |
| CN2283126Y (en) * | 1997-03-27 | 1998-06-03 | 黄翔 | Blow-out preventing lock valve |
| CN1362582A (en) * | 2002-01-23 | 2002-08-07 | 曹冠军 | Valve capable of raising the efficiency of oil pump |
| CN200964943Y (en) * | 2006-11-09 | 2007-10-24 | 刘洪刚 | Gas-proof lock valve of oil pump |
| CN201148969Y (en) * | 2007-12-12 | 2008-11-12 | 殷文著 | Quick high-efficiency one-way valve |
| CN201635998U (en) * | 2010-03-05 | 2010-11-17 | 郭瑶 | Telescopic water pump bottom valve |
| CN202152664U (en) * | 2011-07-15 | 2012-02-29 | 中国石油天然气股份有限公司 | Self-pressure adjusting oil well air bleeder |
| CN202882780U (en) * | 2012-06-18 | 2013-04-17 | 天津克睿特维科技发展有限公司 | Electric submersible pump production pipe column |
| CN203161185U (en) * | 2013-04-08 | 2013-08-28 | 中国石油化工股份有限公司 | Underground production pipe column provided with double electric pumps |
| CN203685135U (en) * | 2013-10-24 | 2014-07-02 | 中国海洋石油总公司 | Electric submersible pump airlock automatic releasing device |
-
2013
- 2013-10-24 CN CN201310505897.9A patent/CN103573223B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2744469A (en) * | 1953-06-05 | 1956-05-08 | Edward J Schaefer | Valve structure for preventing air lock in pumps |
| CN2283126Y (en) * | 1997-03-27 | 1998-06-03 | 黄翔 | Blow-out preventing lock valve |
| CN1362582A (en) * | 2002-01-23 | 2002-08-07 | 曹冠军 | Valve capable of raising the efficiency of oil pump |
| CN200964943Y (en) * | 2006-11-09 | 2007-10-24 | 刘洪刚 | Gas-proof lock valve of oil pump |
| CN201148969Y (en) * | 2007-12-12 | 2008-11-12 | 殷文著 | Quick high-efficiency one-way valve |
| CN201635998U (en) * | 2010-03-05 | 2010-11-17 | 郭瑶 | Telescopic water pump bottom valve |
| CN202152664U (en) * | 2011-07-15 | 2012-02-29 | 中国石油天然气股份有限公司 | Self-pressure adjusting oil well air bleeder |
| CN202882780U (en) * | 2012-06-18 | 2013-04-17 | 天津克睿特维科技发展有限公司 | Electric submersible pump production pipe column |
| CN203161185U (en) * | 2013-04-08 | 2013-08-28 | 中国石油化工股份有限公司 | Underground production pipe column provided with double electric pumps |
| CN203685135U (en) * | 2013-10-24 | 2014-07-02 | 中国海洋石油总公司 | Electric submersible pump airlock automatic releasing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886605A (en) * | 2018-09-10 | 2020-03-17 | 中国石油天然气股份有限公司 | Method and device for recovering yield of pump detection well |
| CN110886605B (en) * | 2018-09-10 | 2022-10-04 | 中国石油天然气股份有限公司 | Method and device for recovering yield of pump detection well |
| CN113007087A (en) * | 2021-03-24 | 2021-06-22 | 中联煤层气有限责任公司 | Structure for removing gas lock of diaphragm pump of coal-bed gas well |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103573223B (en) | 2016-08-17 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: CNOOC (China) Limited Zhanjiang Branch Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 China oil tower, 25 Chaoyangmen North Street, Dongcheng District, Beijing Co-patentee before: CNOOC (China) Limited Zhanjiang Branch Patentee before: China National Offshore Oil Corporation |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20201024 |
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| CF01 | Termination of patent right due to non-payment of annual fee |