CN205445541U - A can bore formula packer that is used for deep gas well fracturing operation integrated construction - Google Patents
A can bore formula packer that is used for deep gas well fracturing operation integrated construction Download PDFInfo
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- CN205445541U CN205445541U CN201620313824.9U CN201620313824U CN205445541U CN 205445541 U CN205445541 U CN 205445541U CN 201620313824 U CN201620313824 U CN 201620313824U CN 205445541 U CN205445541 U CN 205445541U
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- center tube
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Abstract
The utility model relates to an oil extracting worker journey technical field belongs to fracturing well completion integration technological match's bored formula packer. The utility model provides a need more the problem that the tube replacement post could go into operation behind the fracturing. It is by top connection (1), O type sealing washer (2), stop pin nail (3), go up center tube (4), T type sealing washer (5), spacer ring (6), middle connector (7), seating nipple (8), center tube (9) down, go up slips (10), go up cone (11), sit offset nail (12), umbrella (13), aluminium ring (14), limit packing element (15), well packing element (16), grommet (17), cone (18) down, slips (19) down, catch (20), piston (21), overcoat (22), lower clutch (23) are constituteed, the utility model discloses mainly use in gas well fracturing well completion technology, have big latus rectum, anticorrosive wear -resisting, can bore and advantages such as excellent performance, technology safe and reliable such as mill.
Description
Technical field
This utility model relates to technical field of oil production engineering, belongs to the drillable packer of a kind of pressure break completion integral process matching.
Background technology
The most domestic packer not being suitable for the construction of pressure break completion integral.It is little to there is latus rectum in the external packer being suitable for pressure break completion integral, it is impossible to implementing more than ten sections massive hydraulic fracturings, all stainless steels of packer construction, can not bore milling, packer cannot reclaim, and adds the problems such as operating cost.
Summary of the invention
The purpose of this utility model is to develop to realize more than ten sections massive hydraulic fracturings, big orifice anticorrosion antiwears, and can realize a kind of drillable packer for deep gas well fracturing production integrated construction of fracturing production integrated construction.
This utility model is achieved through the following technical solutions: it by top connection, O RunddichtringO, anti-rotation pin, upper center tube, T-shaped sealing ring, spacer ring, center tap, seating nipple, lower center tube, upper slips, upper cone, set pin, umbrella, aluminum ring, limit packing element, middle packing element, grommet, lower cone, lower slips, lock ring, piston, overcoat, lower contact form；Wherein top connection is connected with the threaded upper ends of upper center tube, and top connection is connected by anti-rotation pin and upper center tube are fixing, and utilizes O RunddichtringO to seal with upper center tube；T-shaped sealing ring and spacer ring are arranged in the annular slot of upper center tube and center tap formation；Upper center tube is threadeded with center tap, and is sealed with seating nipple by T-shaped sealing ring；Center tap is inserted in lower center tube, and is sealed with lower center tube by O RunddichtringO；Seating nipple is connected with lower center tube threaded upper ends, and upper slips is stuck in seating nipple lower end, and upper cone is enclosed within outside lower center tube, and is fixed with lower center tube by setting pin；Aluminum ring is assembled in the draw-in groove of limit packing element, and umbrella, aluminum ring, limit packing element, middle packing element are enclosed within lower center tube, fixes grommet in middle packing element trapezoidal groove；Lower cone is enclosed within lower center tube, and is fixed on lower center tube by setting pin, and lower slips is enclosed within lower center tube, and utilizes inclined-plane to be connected with lower cone；It is connected with lower center tube by lock ring equipped with lock ring, piston in the middle of piston and lower center tube, and by O RunddichtringO and external seal in lower center tube, overcoat；Overcoat is fixed on the groove of piston by setting pin, and overcoat is connected with lower contact screw thread, and is sealed with lower contact by O RunddichtringO；Lower contact is threadeded with the lower end of lower center tube.
Seating nipple, upper slips, upper cone, lower cone, lower slips all use cast iron quality.
Upper center tube, lower center tube inwall use surface wear-resisting, etch-proof amorphous coating material.
Lower center tube inwall inlet uses line to be cut into.
Compared with the prior art this utility model has the advantage that
This utility model reasonable in design, devise special seating nipple, add interior latus rectum of the present utility model, the massive hydraulic fracture construction requirement of more than ten sections can be met, the advantages such as this utility model possesses big orifice, anticorrosion antiwear can realize fracturing production integrated construction, can bore milling implementation tool reclaims, long-term safety is effective.
Accompanying drawing illustrates:Fig. 1 is this utility model structure diagram.
1-top connection in figure, 2-O RunddichtringO, 3-anti-rotation pin, 4-upper center tube, 5-T RunddichtringO, 6-spacer ring, 7-center tap, 8-seating nipple, 9-lower center tube, 10-upper slips, 11-upper cone, 12-set packing element, 17-grommet, 18-lower cone, 19-lower slips, 20-lock ring, 21-piston, 22-overcoat, 23-lower contact, 24-inlet in pin, 13-umbrella, 14-aluminum ring, 15-limit packing element, 16-.
Detailed description of the invention: the utility model is described in further detail below in conjunction with the accompanying drawings: it by top connection, O RunddichtringO, anti-rotation pin, upper center tube, T-shaped sealing ring, spacer ring, center tap, seating nipple, lower center tube, upper slips, upper cone, set pin, umbrella, aluminum ring, limit packing element, middle packing element, grommet, lower cone, lower slips, lock ring, piston, overcoat, lower contact form；Wherein top connection is connected with the threaded upper ends of upper center tube, and top connection is connected by anti-rotation pin and upper center tube are fixing, and utilizes O RunddichtringO to seal with upper center tube；T-shaped sealing ring and spacer ring are arranged in the annular slot of upper center tube and center tap formation；Upper center tube is threadeded with center tap, and is sealed with seating nipple by T-shaped sealing ring；Center tap is inserted in lower center tube, and is sealed with lower center tube by O RunddichtringO；Seating nipple is connected with lower center tube threaded upper ends, and upper slips is stuck in seating nipple lower end, and upper cone is enclosed within outside lower center tube, and is fixed with lower center tube by setting pin；Aluminum ring is assembled in the draw-in groove of limit packing element, and umbrella, aluminum ring, limit packing element, middle packing element are enclosed within lower center tube, fixes grommet in middle packing element trapezoidal groove；Lower cone is enclosed within lower center tube, and is fixed on lower center tube by setting pin, and lower slips is enclosed within lower center tube, and utilizes inclined-plane to be connected with lower cone；It is connected with lower center tube by lock ring equipped with lock ring, piston in the middle of piston and lower center tube, and by O RunddichtringO and external seal in lower center tube, overcoat；Overcoat is fixed on the groove of piston by setting pin, and overcoat is connected with lower contact screw thread, and is sealed with lower contact by O RunddichtringO；Lower contact is threadeded with the lower end of lower center tube.
Seating nipple, upper slips, upper cone, lower cone, lower slips all use cast iron quality.
Upper center tube, lower center tube inwall use surface wear-resisting, etch-proof amorphous coating material.
Lower center tube inwall inlet uses line to be cut into.
During onsite application, by this utility model with entering desired depth in gas well under oil pipe, ground applies hydraulic pressure 20MPa through oil pipe, hydraulic action is on piston 21, promote piston 21 up, set pin 12 to be cut off successively, piston 21 promotes upper member to drive upper cone 11 up, upper slips 10 distending is made to be anchored on internal surface of sleeve pipe, now limit packing element 15, middle packing element 16 is by up extruding force, make limit packing element 15, middle packing element 16 distending is close to internal surface of sleeve pipe, lower slips 19 continues up, lower slips 19 distending is made to be anchored on internal surface of sleeve pipe under lower cone 18 acts on, lock ring 20 is up nested with lower center tube 9.Ground stops applying hydraulic pressure, and due to the locking retaining effect of lock ring 20, the limit packing element 15 of distending, middle packing element 16 will not produce rollback, thus complete of the present utility model setting.
When unsealing this device, first rotate forward oil pipe, make upper center tube 4 and seating nipple 8 shackle, take out top connection 1, anti-rotation pin 3, upper center tube 4, T-shaped sealing ring 5, spacer ring 6, center tap 7.
Enter down cover special milling tool, milling seating nipple 8, upper slips 10, upper cone 11, set pin 12, umbrella 13, aluminum ring 14, limit packing element 15, middle packing element 16, grommet 17, lower cone 18, lower slips 19 can bore parts；Milling is complete, and lower center tube 9, lock ring 20, piston 21, overcoat 22, lower contact 23 are with the salvaged recovery of cover special milling tool.
Claims (4)
1. the drillable packer for deep gas well fracturing production integrated construction, it is characterized in that: it is by top connection (1), O RunddichtringO (2), anti-rotation pin (3), upper center tube (4), T-shaped sealing ring (5), spacer ring (6), center tap (7), seating nipple (8), lower center tube (9), upper slips (10), upper cone (11), set pin (12), umbrella (13), aluminum ring (14), limit packing element (15), middle packing element (16), grommet (17), lower cone (18), lower slips (19), lock ring (20), piston (21), overcoat (22), lower contact (23) forms；Wherein top connection (1) is connected with the threaded upper ends of upper center tube (4), and top connection (1) is connected by anti-rotation pin (3) and upper center tube (4) are fixing, and utilizes O RunddichtringO (2) to seal with upper center tube (4)；T-shaped sealing ring (5) and spacer ring (6) are arranged in the annular slot that upper center tube (4) and center tap (7) are formed；Upper center tube (4) is threadeded with center tap (7), and is sealed with seating nipple (8) by T-shaped sealing ring (5)；Center tap (7) is inserted in lower center tube (9), and is sealed with lower center tube (9) by O RunddichtringO (2)；Seating nipple (8) is connected with lower center tube (9) threaded upper ends, and upper slips (10) is stuck in seating nipple (8) lower end, and it is outside that upper cone (11) is enclosed within lower center tube (9), and is fixed with lower center tube (9) by setting pin (12)；Aluminum ring (14) is assembled in the draw-in groove of limit packing element (15), and umbrella (13), aluminum ring (14), limit packing element (15), middle packing element (16) are enclosed within lower center tube (9), fix grommet (17) in middle packing element (16) trapezoidal groove；Lower cone (18) is enclosed within lower center tube (9), and is fixed on lower center tube (9) by setting pin (12), and lower slips (19) is enclosed within lower center tube (9), and utilizes inclined-plane to be connected with lower cone (18)；It is connected with lower center tube (9) by lock ring (20) equipped with lock ring (20), piston (21) in the middle of piston (21) and lower center tube (9), and by O RunddichtringO (2) and lower center tube (9), overcoat (22) interior external seal；Overcoat (22) is fixed on the groove of piston (21) by setting pin (12), and overcoat (22) is connected with lower contact (23) screw thread, and is sealed with lower contact (23) by O RunddichtringO (2)；Lower contact (23) is threadeded with the lower end of lower center tube (9).
A kind of drillable packer for deep gas well fracturing production integrated construction the most according to claim 1, it is characterised in that: seating nipple (8), upper slips (10), upper cone (11), lower cone (18), lower slips (19) all use cast iron quality.
A kind of drillable packer for deep gas well fracturing production integrated construction the most according to claim 1, it is characterised in that: upper center tube (4), lower center tube inwall (9) use surface wear-resisting, etch-proof amorphous coating material.
A kind of drillable packer for deep gas well fracturing production integrated construction the most according to claim 1, it is characterised in that: lower center tube (9) inwall inlet (24) uses line to be cut into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313824.9U CN205445541U (en) | 2016-04-15 | 2016-04-15 | A can bore formula packer that is used for deep gas well fracturing operation integrated construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620313824.9U CN205445541U (en) | 2016-04-15 | 2016-04-15 | A can bore formula packer that is used for deep gas well fracturing operation integrated construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205445541U true CN205445541U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620313824.9U Active CN205445541U (en) | 2016-04-15 | 2016-04-15 | A can bore formula packer that is used for deep gas well fracturing operation integrated construction |
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| CN (1) | CN205445541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259408A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | A kind of oil/gas well packing completion system |
| CN110529069A (en) * | 2019-07-25 | 2019-12-03 | 中国石油天然气股份有限公司 | A kind of compression is away from can survey packer |
-
2016
- 2016-04-15 CN CN201620313824.9U patent/CN205445541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259408A (en) * | 2019-07-17 | 2019-09-20 | 中石化石油工程技术服务有限公司 | A kind of oil/gas well packing completion system |
| CN110529069A (en) * | 2019-07-25 | 2019-12-03 | 中国石油天然气股份有限公司 | A kind of compression is away from can survey packer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |