CN201258843Y - Pumping unblocking pump - Google Patents

Pumping unblocking pump Download PDF

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Publication number
CN201258843Y
CN201258843Y CNU2008201879158U CN200820187915U CN201258843Y CN 201258843 Y CN201258843 Y CN 201258843Y CN U2008201879158 U CNU2008201879158 U CN U2008201879158U CN 200820187915 U CN200820187915 U CN 200820187915U CN 201258843 Y CN201258843 Y CN 201258843Y
Authority
CN
China
Prior art keywords
pump
pumping
pump barrel
valve
pipe
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 - Fee Related
Application number
CNU2008201879158U
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Chinese (zh)
Inventor
刘琮洁
常彦斌
成健
Original Assignee
刘琮洁
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 刘琮洁 filed Critical 刘琮洁
Priority to CNU2008201879158U priority Critical patent/CN201258843Y/en
Application granted granted Critical
Publication of CN201258843Y publication Critical patent/CN201258843Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a swabbing deplugging pump for downhole operation of petroleum industry. The technical proposal is as follows: the deplugging pump mainly comprises two systems of a pump piston internal pipe system and a pump barrel external pipe system. The pump piston internal pipe system mainly comprises a guide flow pull-bearing pipe, an oil pipe and an oil pipe collar which are connected with the pump piston in sequence; the piston is provided with a seal which is internally provided with steel balls; the guide flow pull-bearing pipe is provided with a back-off locking structure; the pump barrel external pipe system mainly comprises a liquid inlet valve part, a fixing and clamping part, a decapsulation fishing part and a swabbing pump barrel part; the liquid inlet valve part and the fixing and clamping part which are close to a lower joint and a valve body are movably connected; and the decapsulation fishing part and the swabbing pump barrel part which are close to an oil pipe short joint and the oil pipe collar are connected. The utility model has the advantages that the swabbing deplugging pump can continuously carry out high flow rate swabbing deplugging, can place the pump down to any specified position to carry out swabbing, deplugging and unloading, can directly carry out fishing after the operation is finished, and has very convenient operation.

Description

Pumping de-plugging pump
One, technical field:
The utility model relates to a kind of underground work device of petroleum industry, particularly relates to a kind of pumping de-plugging pump that is applicable to the pumping de-plugging operation of various contaminated oil wells.
Two, background technique:
In the oil recovery process in oil field, because many oil wells cause formation contaminant owing to there is leakage in various degree in the stratum in drilling well and operation process.The way that solves is to carry out de-plugging with the method that swab line is with swab to carry out pumping or aerated water discharge opeing down at present, and preceding kind is because pumping efficient is low, so the pumping time is long and plugging removal effect is poor, the cost height; Though a kind of method efficient in back is higher, the endurance is short, and plugging removal effect is also bad.
Three, summary of the invention:
The purpose of this utility model is exactly the above-mentioned defective that exists at prior art, and a kind of novel pumping de-plugging pump is provided, and solves the pumping de-plugging problem of contaminated oil well.
Its technological scheme is: mainly be made up of guard system in the pump piston and the outer guard system two big systems of pump barrel, guard system is to connect water conservancy diversion successively to bear pipe on pump piston in the pump piston, oil pipe and tubing coupling are formed, sealing is housed on the piston, steel ball is arranged in it, water conservancy diversion bears pipe and is provided with the back-off anti-loose structure, the outer guard system of described pump barrel is mainly by the feed liquor valve portion, fixing gripping part, deblocking is salvaged part and pumping pump barrel part four most of compositions, feed liquor valve portion and fixedly gripping part is by being movably connected of lower contact and valve body, described deblocking salvages part and the pumping pump barrel partly leans on tubing nipple and tubing coupling to join.
The formation of above-mentioned feed liquor valve portion: connect valve seat under the valve body, be connected with the valve cover on the valve seat, steel ball is arranged in the cover.
The structure of above-mentioned fixedly gripping part is formed: be set with locking ring on the center tube successively, seat sealing liquid cylinder, lower cone, slips, upper cone, stop collar, back of the body cap, packing element, connecting sleeve, deblocking bear the cover and from lock tube, center tube and locking lever flexibly connect, locking lever and lower contact link together, lower contact and locking ring are fixed by shear pin, seat sealing liquid cylinder and lower cone flexibly connect, the connecting sleeve bottom links with back of the body cap, top and deblocking bear cover join and undertaken by stop collar spacing, from lock tube with connecting sleeve and four relative fixed of center tube together and undertaken spacing by the deblocking cover by lock dog.
It is to connect the basket barrel upper connection by hanging on the fluid cylinder that above-mentioned deblocking is salvaged part, connects down to separate the big envelope composition.
Above-mentioned pumping pump barrel part mainly is to be interconnected by one-level pump barrel at least, connect the pump barrel lower contact under the pump barrel, on connect the sealed packing box and form, seal by seal ring between pump barrel lower contact, sealed packing box and the pump barrel, packing positioning joint, sealed packing are housed in the sealed packing box, and sealed packing are compressed sealing by pressed joint.
The utility model compared with prior art has following significant effect: (1), the utility model can big continuously discharge capacity pumping de-pluggings.(2), owing to be provided with packing chucking suspension arrangement, carry out pumping de-plugging discharge opeing so pump can be lowered into any given position.(3), separate sealing mechanism, available this device in the intact back of operation is directly salvaged, and operation is very easy owing to be provided with special-purpose the salvaging.
Four, description of drawings:
Accompanying drawing 1 is the top of structural representation of the present utility model;
Accompanying drawing 2 is bottoms of structural representation of the present utility model.
Five, embodiment:
1 and 2 (because accompanying drawing is oversize in conjunction with the accompanying drawings, be placed on be difficult to represent among the width of cloth figure clear, so it is divided into two-part), existing the utility model will be further described in conjunction with the accompanying drawings: mainly by tubing coupling 1, oil pipe 2, pressed joint 3, sealed packing 4, sealed packing box 5, packing positioning joint 6, seal ring 7,12,17,19,27,35,42,46, pump barrel 8, pump barrel joint 9, water conservancy diversion bears pipe 10, packed-piston 11, steel ball 13,45, pump barrel lower contact 14, tubing nipple 15, basket barrel upper connection 16, hang fluid cylinder 18, center tube 20, separate big envelope 21, from lock tube 22, deblocking bears cover 23, shear pin 24, lock dog 25, connecting sleeve 26, packing element 28, stop collar 29, back of the body cap 30, upper cone 31, slips 32, lower cone 33, seat sealing liquid cylinder 34, locking lever 36, elasticity lock ring 37, self-locking ring gasket ring 38, locking ring 39, from lock tube 40, lower contact 41, valve body 43, ball cover 44, valve seat 47 compositions such as grade.
Structure of the present utility model mainly is made up of guard system in the pump piston and the outer guard system two big systems of pump barrel, guard system connects water conservancy diversion on it successively by pump piston 11 and bears pipe 10, oil pipe 2 and tubing coupling 1 and form in the pump piston, on the piston 11 sealing is housed, steel ball 13 is arranged in it, and water conservancy diversion bears to manage to go up to design the back-off anti-loose structure.The outer guard system of pump barrel is again by the feed liquor valve portion, fixedly gripping part, deblocking are salvaged part and pumping pump barrel part four major parts are formed.The formation of feed liquor valve portion is: the valve body connects valve seat 47 43 times, is connected with valve cover 44 on the valve seat 47, and steel ball 45 is arranged in the cover.Fixedly the structure of gripping part composition is: be set with locking ring 39 on the center tube 20 successively, seat sealing liquid cylinder 34, lower cone 33, slips 32, upper cone 31, stop collar 29, back of the body cap 30, packing element 28, connecting sleeve 26, deblocking bears cover 23 and from lock tube 22, center tube 20 and locking lever 36 link to each other by screw thread, locking lever 36 utilizes screwed connection to seal again with lower contact 41 together and by seal ring 42, lower contact 41 is fixing by shear pin 24 with locking ring 39, seat sealing liquid cylinder 34 utilizes screwed connection with lower cone 33, connecting sleeve 26 times and back of the body cap 30 link, go up and to bear with deblocking that cover 23 joins and to utilize stop collar 29 to carry out spacing, lean on lock dog 25 together and undertaken spacing by separating big envelope 21 with connecting sleeve 26 and 20 4 relative fixed of center tube from lock tube 22.The feed liquor valve portion is in the same place with the screwed connection of valve body 43 by lower contact 41 with fixing gripping part.Deblocking is salvaged part and is connect the basket barrel upper connection on the fluid cylinder 18 and connect for 16 times and separate big envelope 21 and form by hanging.Pumping pump barrel part mainly is by one-level pump barrel 8 (if interconnecting by pump barrel joint 9 in the middle of the multistage pump barrel) at least, connects under the pump barrel and connects sealed packing box 5 compositions such as grade in the pump barrel lower contact 14.By seal ring 7 sealing, packing positioning joint 6, sealed packing 4 are housed in the sealed packing box 5 between pump barrel lower contact 14, sealed packing box 5 and the pump barrel 8, and by pressed joint 3 sealed packing 4 are compressed and to seal.Deblocking salvages part and the pumping pump barrel partly joins by tubing nipple 15 and tubing coupling 1.
At first with the liquid valve portion, fixedly gripping part, deblocking are salvaged part and joined in the lower going-into-well by screwed connection together and with tubing nipple 15 and tubing coupling 1, G.I.H then links together pumping pump barrel part and tubing coupling 1 during use; This moment pressed joint 3, sealed packing 4, and packing positioning joint 6 be sleeved on the oil pipe 2 of guard system in the pump piston, be lowered into then and utilize screw thread to tighten in pressed joint 3 and sealed packing box 5 after putting in place in the outer guard system of pump barrel to seal and bear effect.Can normally be lowered to oil pipe this moment, the back ground cement car that puts in place is suppressed, up and extruding packing element 28 packing element 28 has been swollen the effect that sealing oil overlaps annular space at following sealing liquid cylinder of the effect of water pressure 34 up promotion lower cones 33, slips 32, upper cone 31, stop collar 29, be about in the continuation that slips is swollen and be clamped on play fixedly suspension effect on the sleeve pipe, suppress behind the certain pressure termination of pumping elasticity lock ring this moment 37 and will pin from lock tube 40 and it can not the rollback seat have been sealed close.Drop into steel ball 13 this moment in oil pipe, and transfer tubing string, carries on the back that puts in place can utilizing the pumping power system to carry out pump behind the over-stroke to take out the de-plugging operation.After pumping de-plugging operation is finished when the needs deblocking direct upper lifting pipe post, shear pin 24 will be cut off after reaching certain load, carry in the continuation and separate big envelope 21 and will continue go up to exercise lock dog 25 and lose support, carry in the continuation and separate big envelope 21 and will drive deblocking and bear cover 23, connecting sleeve 26, stop collar 29, back of the body cap 30, upper cone 31 and go up together and exercise packing element 28 and slips 32 discharges, the packing device deblocking, this moment, the upper lifting pipe post can trip out ground with whole devices.

Claims (5)

1, a kind of pumping de-plugging pump, it is characterized in that: mainly form by guard system in the pump piston and the outer guard system two big systems of pump barrel, guard system is to connect water conservancy diversion successively to bear pipe (10) on pump piston (11) in the pump piston, oil pipe (2) and tubing coupling (1) are formed, piston is equipped with sealing on (11), steel ball (13) is arranged in it, water conservancy diversion bears pipe (10) and is provided with the back-off anti-loose structure, the outer guard system of described pump barrel is mainly by the feed liquor valve portion, fixing gripping part, deblocking is salvaged part and pumping pump barrel part four most of compositions, feed liquor valve portion and fixedly gripping part is by being movably connected of lower contact (41) and valve body (43), described deblocking salvages part and the pumping pump barrel partly leans on tubing nipple (15) and tubing coupling (1) to join.
2, pumping de-plugging pump according to claim 1, it is characterized in that: the formation of described feed liquor valve portion is: connect valve seat (47) under the valve body (43), be connected with valve cover (44) on the valve seat (47), steel ball (45) is arranged in the cover.
3, pumping de-plugging pump according to claim 1, it is characterized in that: the structure composition of described fixedly gripping part is: be set with locking ring (39) on the center tube (20) successively, seat sealing liquid cylinder (34), lower cone (33), slips (32), upper cone (31), stop collar (29), back of the body cap (30), packing element (28), connecting sleeve (26), deblocking bears cover (23) and from lock tube (22), center tube (20) flexibly connects with locking lever (36), locking lever (36) links together with lower contact (41), lower contact (41) is fixing by shear pin (24) with locking ring (39), seat sealing liquid cylinder (34) flexibly connects with lower cone (33), connecting sleeve (26) bottom links with back of the body cap (30), top and deblocking bear that cover (23) joins and it is spacing to be undertaken by stop collar (29), from lock tube (22) by lock dog (25) with connecting sleeve (26) and (20) four relative fixed of center tube together and undertaken spacing by separating big envelope (21).
4, pumping de-plugging pump according to claim 1 is characterized in that: it is to connect basket barrel upper connection (16) by hanging on the fluid cylinder (18) that described deblocking is salvaged part, connects down and separates big envelope (21) composition.
5, pumping de-plugging pump according to claim 1, it is characterized in that: described pumping pump barrel part mainly is to be interconnected by one-level pump barrel (8) at least, connect pump barrel lower contact (14) under the pump barrel, on connect sealed packing box (5) and form, seal by seal ring (7) between pump barrel lower contact (14), sealed packing box (5) and the pump barrel (8), packing positioning joint (6), sealed packing (4) are housed in the sealed packing box (5), and sealed packing (4) are compressed sealing by pressed joint (3).
CNU2008201879158U 2008-08-19 2008-08-19 Pumping unblocking pump Expired - Fee Related CN201258843Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201879158U CN201258843Y (en) 2008-08-19 2008-08-19 Pumping unblocking pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201879158U CN201258843Y (en) 2008-08-19 2008-08-19 Pumping unblocking pump

Publications (1)

Publication Number Publication Date
CN201258843Y true CN201258843Y (en) 2009-06-17

Family

ID=40773077

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201879158U Expired - Fee Related CN201258843Y (en) 2008-08-19 2008-08-19 Pumping unblocking pump

Country Status (1)

Country Link
CN (1) CN201258843Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305040A (en) * 2011-08-11 2012-01-04 中国海洋石油总公司 Near-well de-plugging device for loose sand heavy oil reservoir
CN103670330A (en) * 2013-12-31 2014-03-26 牡丹江博实石油机械科技有限公司 Prearrangement bottom valve for plugging oil field water well water injection pipe column
CN105986992A (en) * 2015-02-16 2016-10-05 鄂德刚 Oil-well pump with long plunger piston and short pump cylinder and enabling pulling-out of plunger piston and pump cylinder together

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102305040A (en) * 2011-08-11 2012-01-04 中国海洋石油总公司 Near-well de-plugging device for loose sand heavy oil reservoir
CN103670330A (en) * 2013-12-31 2014-03-26 牡丹江博实石油机械科技有限公司 Prearrangement bottom valve for plugging oil field water well water injection pipe column
CN103670330B (en) * 2013-12-31 2016-02-10 牡丹江博实石油机械科技有限公司 Oil field water well water injection string shutoff preset bottom valve
CN105986992A (en) * 2015-02-16 2016-10-05 鄂德刚 Oil-well pump with long plunger piston and short pump cylinder and enabling pulling-out of plunger piston and pump cylinder together
CN105986992B (en) * 2015-02-16 2017-10-20 鄂德刚 One kind can salvage long-plunger short pump barrel oil well pump

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090617

Termination date: 20090921