CN201650252U - Primary gravel packing tool for heat recovery - Google Patents
Primary gravel packing tool for heat recovery Download PDFInfo
- Publication number
- CN201650252U CN201650252U CN2009200262916U CN200920026291U CN201650252U CN 201650252 U CN201650252 U CN 201650252U CN 2009200262916 U CN2009200262916 U CN 2009200262916U CN 200920026291 U CN200920026291 U CN 200920026291U CN 201650252 U CN201650252 U CN 201650252U
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- China
- Prior art keywords
- sleeve
- heat recovery
- shear pin
- gravel packing
- seat
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- 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 - Lifetime
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Abstract
The utility model relates to a primary gravel packing tool for heat recovery in oil field down-hole oil production device field, which is formed by connecting parts including an upper connector, a connecting pipe, a piston, a sliding bush, a shear pin, a locker, an outer pipe, a sheath, a lock ring, an decapsulation shear pin, a sealed component, a sleeve, a gasket, an upper slip seat, a slip sleeve, a spring leaf, a slip insert, a lower slip seat, a sand scraping ring, a lower contact seat, an internally connected scouring upper connector, a sealing sleeve, a spring, a lower connector, a diameter varying connector, an internal central pipe, a lower valve body, a connecting sleeve, a lower shear pin, a lower valve body, a lower back-up connector and a steel ball etc. The utility model is applied not only to gravel packing sand control construction for the heat recovery but also to fracturing sand control construction, and is high in pressure and erosion resistance and suitable for long-time construction operation. The utility model has the advantages of completing annular sealing for production by using only one pipe string, having a simple technical process, improving and changing the device structure, expanding the packing hole diameter, resisting high-pressure and erosion, having a low gravel breakage rate, increasing the internal and external body sizes of a closing valve, realizing a smooth inner surface and a smooth construction, preventing the packing hole from being loosely shut or mistakenly open and guaranteeing reliability and safety of the construction operation.
Description
Technical field
The utility model relates to a kind of primary gravel packing tool for heat recovery in downhole oil extraction device field, oil field, and it not only is fit to common well recovery uses, and more can satisfy the heavy crude heat extraction oil well and use.
Background technology
At present, the thermal recovery sand control pack instrument that the structure that use in the oil field is mainly central tube, conversion equipment, the sliding sleeve of giving up is formed, its shortcoming or deficiency are: 1. only be applicable to flow pack thermal recovery sand-preventing process; 2. working procedure is numerous and diverse, and necessary other one-trip string down is with just constructing behind the high temperature resistant special-purpose sealer sealing annular space; 3. pack hole easily produces the accident that is not closed completely or opens by mistake the pack hole valve down during washing pipe etc., and construction reliability or safety are low.
The utility model content
The purpose of this utility model is exactly the defective that exists at prior art, and a kind of high performance primary gravel packing tool for heat recovery is provided.
Its technical scheme is: top connection 1 inwall is connected with tube connector 5, in the annular space of top connection 1 and tube connector 5 piston 2 and sliding sleeve 7 are housed, the bottom of sliding sleeve 7 is connected with locker 9 by shear pin 10, locker 9 bottoms connect outer tube 21, the outer wall of outer tube 21 is sheath 14 from top to bottom successively, lock ring 11, deblocking shear pin 13, black box 16, sleeve pipe 17, pad 18, upper slips seat 20, slip sleeve 22, spring leaf 23, slip insert 24 and lower slips seat 25, again by the lower slips seat 25 external rings 29 of strike-ofing, under connect lower contact seat 38, in connect sand washing top connection 26, sealing shroud 34 and spring 35, connect lower contact 42 and reducer union 44 in the lower contact seat 38, the bottom of tube connector 5 connects inner central tube 15, valve body 41 and adapter sleeve 36 under the Nei Lian of the bottom of inner central tube 15, following shear pin 37, following valve body connects standby joint 45 for 41 times, at the joint portion built-in steel ball 40 of standby joint 45 with following valve body 41.
Described black box is made up of the joint ring of resistant to elevated temperatures hypotenuse joint ring of several piece and straight flange, and described slip insert is laterally zygomorphic tiltedly interior or outer tiltedly tooth combining structure.On piston, locker outer tube and the bonding surface that cooperates separately, be equipped with sealing ring.
The utility model compared with prior art has following advantage:
1, the utility model can be used for thermal recovery filling anti-sand construction, also can carry out the fracturing sand control construction, and is withstand voltage, anti-impact erosion ability is strong, is fit to long-time construction operation.
2, its structure is construction of thermal recovery sand control and production packer integral structure, only can finish the annular space sealing with a tubing string, puts into production, and technological process is simple.
3, improve conversion device structure, enlarge the pack hole aperture, high pressure resistant, erosion resistance, the gravel breakup rate is low.
4, increase the inside and outside latus rectum of valve-off, inner surface is smooth, and it is smooth and easy to construct, and prevents that pack hole is not closed completely or opens by mistake phenomenon, guarantees the reliability and the safety of constructing.
Description of drawings
Accompanying drawing 1 is the overall structure figure of a kind of embodiment, and accompanying drawing 2 is partial enlarged drawings of slip insert part.
Among the figure: 1, top connection, 2, piston, 3, the outer O type rubber seal of piston, 4, O type rubber seal in the piston, 5, tube connector, 6, steady nail, 7, sliding sleeve, 8, locker O type rubber seal, 9, locker, 10, shear pin (II), 11, lock ring, 12, the outer O type rubber seal of tube connector, 13, shear pin (M8), 14, sheath, 15, inner central tube, 16, the thermal recovery black box, 17, sleeve pipe, 18, pad, 19, O type rubber seal in the sliding sleeve, 20, the upper slips seat, 21, outer tube, 22, slip sleeve, 23, spring leaf, 24, slip insert, 25, lower slips seat and interior O type rubber seal thereof, 26, the sand washing top connection, 27, packing ring, 28, O type rubber seal in the sand washing top connection, 29, the cup of strike-ofing, 30, steady nail (M10), 31, the outer O type rubber seal of following valve body, 32, O type rubber seal in the sealing shroud, 33, the outer O type rubber seal of sealing shroud, 34, sealing shroud, 35, spring, 36, adapter sleeve, 37, following shear pin, 38, the lower contact seat, 39, the outer O type rubber seal of lower contact, 40, steel ball, 41, following valve body, 42, lower contact, 43, O type rubber seal in the lower contact, 44, reducer union, 45, standby joint.
The specific embodiment
With reference to accompanying drawing, comprise device for filling, positive and negative cleaning device, releasing device reconciliation seal apparatus.Device for filling comprises top connection 1, following valve body 41, shear pin 10, tube connector 5, piston 2, sliding sleeve 7, sheath 4, lock ring 11, outer tube 21, sheath 14, thermal recovery black box 16, pad 18, sleeve pipe 17, pad 18, upper slips seat 20, slip insert 24 and lower slips seat 25.Positive and negative cleaning device comprises sliding sleeve 7, locker 9, outer tube 21, inner central tube 15, sand washing top connection 26 and following valve body 41.Releasing device comprises top connection 1, inner central tube 15, outer tube 21.The deblocking device comprises locker 9, deblocking shear pin 13, locker 9, lock ring 11, sheath 14, thermal recovery black box 16, slip insert 24.
With reference to accompanying drawing 2 described slip inserts is laterally zygomorphic tiltedly interior or outer tiltedly tooth combining structure.
Operating principle is: this instrument is in top connection 1 pitching, ball is sitting in down in valve body 41 ball seats, the beginning pumping liquid is suppressed, shear pin 10 is cut off during certain pressure, liquid enters piston 2 end faces from two holes of tube connector 5, promote piston 2, piston 2 promotes sliding sleeve 7, sliding sleeve 7 promotes sheath 14, and sliding sleeve 7 promotes lock ring 11 and moves on outer tube 21, sheath 14 promotes thermal recovery black box 16, and thermal recovery black box 16 promotes pad 18, and pad 18 and sleeve pipe 17 are screwed connection, pad 18 is being with sleeve pipe 17 to push to slip spider 20 together, upper slips seat 20 usefulness sloped roof go out slip insert 24, and slip insert 24 and thermal recovery black box 16 act on the sleeve pipe 17 simultaneously, have realized seat envelope and grappling.After seat envelope and grappling are finished, squeeze into back-up sand from ground again, back-up sand enters pack hole from inner central tube and goes out to realize filling operation.Liquid enters from sliding sleeve 7 backwash holes during backwash, and the annular space that enters by sand washing top connection 26 by locker 9, outer tube 21 and inner central tube 15 annular spaces outward enters the tank excessively in the valve body 41 times, enters oil pipe from central tube inside again.Just changeing top connection 1 inner central tube 15 after the filling and separating with outer tube 21 and realize putting aside, construction fulfils assignment.During deblocking drag for lance and locker 9 salvage link connect and on carry, deblocking shear pin 13 is cut off, locker 9 bottoms strut lock ring 11 and sheath 14, thermal recovery black box 16 is simultaneously up, slip insert 24 is got back to steel part inside simultaneously.
The product of the foregoing description has tried out that (pound sign is: 19X007) in common construction Jing1Kou, thermal recovery high-voltage construction Jing3Kou (pound sign is: 34Z720,30-375 and 34Z220) has all obtained better effects, while instrument heatproof≤350 ℃, satisfied annotate packing every needs, in time going into operation for thermal production well provides powerful guarantee.
Claims (4)
1. primary gravel packing tool for heat recovery, it is characterized in that: top connection (1) inwall is connected with tube connector (5), in the annular space of top connection (1) and tube connector (5) piston (2) and sliding sleeve (7) are housed, the bottom of sliding sleeve (7) is connected with locker (9) by shear pin (10), locker (9) bottom connects outer tube (21), the outside of outer tube (21) is sheath (14) from top to bottom successively, lock ring (11), deblocking shear pin (13), black box (16), sleeve pipe (17), pad (18), upper slips seat (20), slip sleeve (22), spring leaf (23), slip insert (24) and lower slips seat (25), again by the external ring (29) of strike-ofing of lower slips seat (25), under connect lower contact seat (38), in connect sand washing top connection (26), sealing shroud (34) and spring (35), connect lower contact (42) and reducer union (44) in the lower contact seat (38), the bottom of tube connector (5) connects inner central tube (15), valve body (41) and adapter sleeve (36) under the bottom Nei Lian of inner central tube (15), following shear pin (37), connect standby joint (45) under the following valve body (41), at the joint portion built-in steel ball (40) of standby joint (45) with following valve body (41).
2. primary gravel packing tool for heat recovery according to claim 1 is characterized in that: described black box is made up of the joint ring of resistant to elevated temperatures hypotenuse joint ring of several piece and straight flange.
3. primary gravel packing tool for heat recovery according to claim 1 and 2 is characterized in that: described slip insert is laterally zygomorphic tiltedly interior or outer tiltedly tooth combining structure.
4. primary gravel packing tool for heat recovery according to claim 3 is characterized in that: be equipped with sealing ring on piston, locker, outer tube and the bonding surface that cooperates separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200262916U CN201650252U (en) | 2009-05-27 | 2009-05-27 | Primary gravel packing tool for heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200262916U CN201650252U (en) | 2009-05-27 | 2009-05-27 | Primary gravel packing tool for heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650252U true CN201650252U (en) | 2010-11-24 |
Family
ID=43115486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200262916U Expired - Lifetime CN201650252U (en) | 2009-05-27 | 2009-05-27 | Primary gravel packing tool for heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566054B (en) * | 2009-05-27 | 2012-07-04 | 胜利油田金岛实业有限责任公司 | Primary gravel packing tool for heat recovery |
| CN108204224A (en) * | 2018-01-24 | 2018-06-26 | 胜利油田金岛实业有限责任公司胜岛石油机械厂 | A kind of no casing pressure packing tool |
-
2009
- 2009-05-27 CN CN2009200262916U patent/CN201650252U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566054B (en) * | 2009-05-27 | 2012-07-04 | 胜利油田金岛实业有限责任公司 | Primary gravel packing tool for heat recovery |
| CN108204224A (en) * | 2018-01-24 | 2018-06-26 | 胜利油田金岛实业有限责任公司胜岛石油机械厂 | A kind of no casing pressure packing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101124 Effective date of abandoning: 20090527 |