CN105257240A - Hydraulic setting packer for speed tubular column - Google Patents
Hydraulic setting packer for speed tubular column Download PDFInfo
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- CN105257240A CN105257240A CN201510700306.2A CN201510700306A CN105257240A CN 105257240 A CN105257240 A CN 105257240A CN 201510700306 A CN201510700306 A CN 201510700306A CN 105257240 A CN105257240 A CN 105257240A
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- central tube
- annular groove
- rubber
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Abstract
The invention relates to the technical field of packers, in particular to a hydraulic setting packer for a speed tubular column. The hydraulic setting packer comprises an upper connector, a central pipe and a lower connector, wherein the inner side of the lower portion of the upper connector is fixed with the outer side of the upper end of the central pipe, the outer side of the lower end of the central pipe is fixed with the inner side of the middle portion of the lower connector, the outer side of the middle portion of the central pipe is fixedly connected with a lower conical sleeve through a fixing pin, the outer lateral face of the lower portion of the lower conical sleeve is an inclined face with an wide upper part and a narrow lower part, a rubber cylinder is mounted on the outer side, between the upper connector and the lower conical sleeve, of the central pipe, and an outer annular platform is fixed on the outer side of the lower portion of the central pipe. The hydraulic setting packer has the advantages that the hydraulic setting packer is reasonable and compact in structure, convenient to use, safe and reliable, and large in setting force; automatic hanging and setting are achieved by the coordination of the upper connector, the central pipe, the lower connector, the rubber cylinder and slips, and drainage gas recovery is achieved; operation is facilitated, the labor intensity of operators is lowered, work efficiency is increased, and potential safety hazards are avoided.
Description
Technical field
the present invention relates to packer technology field, is a kind of speed tubing string hydraulic setting packer.
Background technology
in the exploitation of oil-gas field later stage, decline from gasser stress discern, exploitation rate.Production water can build up in well, and its weight finally can make gas flow; Existing way normally carries out water pumping gas production operation by plunger or bubble row, but water pumping gas production operation is step, needs manually to carry out, and there is labor intensity of operating staff large, inefficiency, and well head pressure is large, there is the problem of potential safety hazard during operation.
Summary of the invention
the invention provides a kind of speed tubing string hydraulic setting packer, overcome the deficiency of above-mentioned prior art, it effectively can solve the exploitation of oil-gas field later stage when carrying out water pumping gas production operation, need manually to carry out, have that labor intensity of operating staff is large, inefficiency, and well head pressure is large, there is the problem of potential safety hazard during operation.
technical scheme of the present invention is realized by following measures: a kind of speed tubing string hydraulic setting packer, comprises top connection, central tube and lower contact, be fixedly installed togather outside the inside middle portion of top connection and the upper end of central tube, the lower end outside of central tube and the inside middle portion of lower contact are fixedly installed togather, lower tapered sleeve is fixedly connected with by least one fixing pin outside the middle part of central tube, the lower outside face of lower tapered sleeve is inclined-plane wide at the top and narrow at the bottom, the outside of the central tube between top connection and lower tapered sleeve is provided with rubber tube, outer land is fixed with at the lower outside of central tube, at the lower outside of central tube, piston cylinder is installed, the bottom of piston cylinder is sleeved in outer land, interior land is fixed with in the upper inner of piston cylinder, interior land is sleeved on central tube, central tube, outer land, annular seal space is formed between interior land and piston cylinder, central tube has the inlet opening that at least one communicates with annular seal space, the outside of the central tube between piston cylinder and lower tapered sleeve is provided with the slips of at least two by slip spider, crown tooth is down distributed with in the upper outside of slips, the inclined-plane wide at the top and narrow at the bottom matched with the lower outside face of lower tapered sleeve is had in the upper inner of slips, mounting cylinder is fixedly connected with by least one shear pin outside the middle part of piston cylinder, be fixedly installed togather outside the lower inside of mounting cylinder and the upper end of lower contact.
here is the further optimization and/or improvements to foregoing invention technical scheme:
the above-mentioned upper inner in lower contact and inside middle portion are respectively arranged with the upper annular groove and lower annular groove that internal diameter reduces successively, the lower end of central tube is fixedly mounted in lower annular groove, in correspondence, the outside of the central tube of ring groove position is installed with pawl ring, crown pawl is upward distributed with in the outside of pawl ring, connecting cylinder is had in upper annular groove, the upper inner of connecting cylinder and the lower end outside of piston cylinder are fixedly installed togather, be distributed with crown tooth down at the middle part of connecting cylinder and lower inside, the pawl on pawl ring and the tooth on connecting cylinder mesh together.
the above-mentioned inside middle portion at rubber tube is provided with the little taper of outer imperial palace and installs annular groove, and install in annular groove in the taper of rubber tube the support ring being provided with and installing annular groove with taper and match, support ring is sleeved on central tube.
the outside of above-mentioned central tube between top connection and rubber tube is fixedly connected with tapered sleeve, snap ring and first time snap ring on first are installed from top to bottom between upper tapered sleeve and rubber tube, on first, the lower end outer rim of snap ring is fixed with low fastening station, the upper end outer rim of first time snap ring is provided with draw-in groove, on first, the low fastening station of snap ring is arranged in the upper draw-in groove of first time snap ring, snap ring and second time snap ring on second are installed from top to bottom between rubber tube and lower tapered sleeve, top fastening station is fixed with in the upper end outer rim of second time snap ring, on second, the lower end outer rim of snap ring is provided with lower bayonet slot, top fastening station on second time snap ring is arranged in the lower bayonet slot on second on snap ring, the lower outside face of upper tapered sleeve, the upper inner face of snap ring on first, on second, the upper inner face of snap ring and the lower outside face of rubber tube are inclined-plane wide at the top and narrow at the bottom, the lower inside surface of first time snap ring, the upper outside face of rubber tube, the lower inside surface of second time snap ring and the upper outside face of lower tapered sleeve are up-narrow and down-wide inclined-plane.
the above-mentioned upper outside at rubber tube and lower outside are respectively arranged with rubber annular groove and lower rubber annular groove, in upper rubber annular groove and lower rubber annular groove, be installed with cutting ferrule respectively; Or/and, be arranged at intervals with two spring fitting grooves vertically in the lower inside of slips, the conical spring in compression shape is installed in spring fitting groove; Or/and slip spider comprises two and half ring seats, outside the middle part of slips, be circumferentially provided with slip spider mounting groove, the two ends of two and half ring seats are fixedly installed togather and are positioned at slip spider mounting groove; Or/and, the top of top connection is provided with internal thread or external screw thread, the bottom of lower contact is provided with internal thread or external screw thread.
above-mentioned upper tapered sleeve is fixedly connected on the outside of central tube by least one fixing pin, be fixedly installed togather by screw thread between top connection and central tube, be fixedly installed togather by screw thread between central tube and lower contact, be fixedly installed togather by screw thread between pawl ring and central tube, be fixedly installed togather by screw thread between connecting cylinder and piston cylinder, be fixedly installed togather by screw thread between mounting cylinder and lower contact; Or/and, between support ring and central tube, sealing ring is installed, sealing ring at least is together installed between interior land and central tube, sealing ring at least is together installed between land and piston cylinder outside.
reasonable and compact in structure of the present invention, easy to use, by top connection, central tube, lower contact, rubber tube and slips with the use of, realize automatically sitting the object hung and set, water pumping gas production operation, there is safe and reliable and that setting force is large feature, facilitate operation, reduce the labour intensity of operating personnel, improve operating efficiency, stop potential safety hazard.
Accompanying drawing explanation
accompanying drawing 1 is that the master of preferred embodiment looks half section structural representation.
the master of the first half of accompanying drawing 2 accompanying drawing 1 looks half section structural representation.
the master of the latter half of accompanying drawing 3 accompanying drawing 1 looks half section structural representation.
coding in accompanying drawing is respectively: 1 is top connection, manage centered by 2, 3 is lower contact, 4 is fixing pin, 5 is lower tapered sleeve, 6 is rubber tube, 7 is outer land, 8 is piston cylinder, 9 is interior land, 10 is annular seal space, 11 is inlet opening, 12 is slip spider, 13 is slips, 14 is shear pin, 15 is mounting cylinder, 16 is upper annular groove, 17 is lower annular groove, 18 is pawl ring, 19 is connecting cylinder, 20 is support ring, 21 is upper tapered sleeve, 22 is snap ring on first, 23 is first time snap ring, 24 is low fastening station, 25 is cutting ferrule, 26 is conical spring, 27 is snap ring on second, 28 is second time snap ring, 29 is top fastening station.
Detailed description of the invention
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.
in the present invention, for convenience of description, the description of the relative position relation of each parts is all be described according to the Butut mode of Figure of description 1, as: the position relationship of forward and backward, upper and lower, left and right etc. determines according to the Butut direction of Figure of description 1.
below in conjunction with embodiment and accompanying drawing, the invention will be further described:
as shown in accompanying drawing 1,2,3, this speed tubing string hydraulic setting packer comprises top connection 1, central tube 2 and lower contact 3, be fixedly installed togather outside the inside middle portion of top connection 1 and the upper end of central tube 2, the lower end outside of central tube 2 and the inside middle portion of lower contact 3 are fixedly installed togather, lower tapered sleeve 5 is fixedly connected with by least one fixing pin 4 outside the middle part of central tube 2, the lower outside face of lower tapered sleeve 5 is inclined-plane wide at the top and narrow at the bottom, the outside of the central tube 2 between top connection 1 and lower tapered sleeve 5 is provided with rubber tube 6, outer land 7 is fixed with at the lower outside of central tube 2, at the lower outside of central tube 2, piston cylinder 8 is installed, the bottom of piston cylinder 8 is sleeved in outer land 7, interior land 9 is fixed with in the upper inner of piston cylinder 8, interior land 9 is sleeved on central tube 2, central tube 2, outer land 7, annular seal space 10 is formed between interior land 9 and piston cylinder 8, central tube 2 has the inlet opening 11 that at least one communicates with annular seal space 10, the outside of the central tube 2 between piston cylinder 8 and lower tapered sleeve 5 is provided with the slips 13 of at least two by slip spider 12, crown tooth is down distributed with in the upper outside of slips 13, the inclined-plane wide at the top and narrow at the bottom matched with the lower outside face of lower tapered sleeve 5 is had in the upper inner of slips 13, mounting cylinder 15 is fixedly connected with by least one shear pin 14 outside the middle part of piston cylinder 8, be fixedly installed togather outside the lower inside of mounting cylinder 15 and the upper end of lower contact 3.Spacing is had between slips 13 and central tube 2.Wiper block shape can be processed in the bottom of slips 13, makes slips 13 in moving process, play good centralizing function.During use, subordinate can enter the coiled tubing of minor diameter in existing oil pipe, by causing the sectional area of a reduced in production tube, speed tubing string makes the annular velocity of flowing gas improve, and so just water can be taken out of from well, continues aerogenesis; And the present invention can well play and hangs coiled tubing and the predetermined oil pipe of packing or sleeve pipe.By top connection 1, central tube 2, lower contact 3, rubber tube 6 and slips 13, the present invention is made to realize automatically sitting hanging and setting, be convenient to water pumping gas production operation, there is safe and reliable and that setting force is large feature, facilitate operation, reduce the labour intensity of operating personnel, improve operating efficiency, stop potential safety hazard.
according to actual needs, above-mentioned speed tubing string hydraulic setting packer can be made further optimization and/or improvements:
as accompanying drawing 1, shown in 3, the upper annular groove 16 and lower annular groove 17 that internal diameter reduces successively is respectively arranged with in the upper inner of lower contact 3 and inside middle portion, the lower end of central tube 2 is fixedly mounted in lower annular groove 17, in correspondence, the outside of the central tube 2 of annular groove 16 position is installed with pawl ring 18, crown pawl is upward distributed with in the outside of pawl ring 18, connecting cylinder 19 is had in upper annular groove 16, the upper inner of connecting cylinder 19 and the lower end outside of piston cylinder 8 are fixedly installed togather, crown tooth is down distributed with at the middle part of connecting cylinder 19 and lower inside, tooth on pawl on pawl ring 18 and connecting cylinder 19 meshes together.Like this, the tooth on the pawl on pawl ring 18 and connecting cylinder 19 coordinates self-locking, connecting cylinder 19 relative centre pipe 2 can only be moved up, prevent piston cylinder 8 from moving down.
as shown in accompanying drawing 1,2, the inside middle portion of rubber tube 6 is provided with the little taper of outer imperial palace and installs annular groove, install in annular groove in the taper of rubber tube 6 support ring 20 being provided with and installing annular groove with taper and match, support ring 20 is sleeved on central tube 2.
as accompanying drawing 1, shown in 2, the outside of the central tube 2 between top connection 1 and rubber tube 6 is fixedly connected with tapered sleeve 21, snap ring 22 and first time snap ring 23 on first are installed from top to bottom between upper tapered sleeve 21 and rubber tube 6, on first, the lower end outer rim of snap ring 22 is fixed with low fastening station 24, the upper end outer rim of first time snap ring 23 is provided with draw-in groove, on first, the low fastening station 24 of snap ring 22 is arranged in the upper draw-in groove of first time snap ring 23, snap ring 27 and second time snap ring 28 on second are installed from top to bottom between rubber tube 6 and lower tapered sleeve 5, top fastening station 29 is fixed with in the upper end outer rim of second time snap ring 28, on second, the lower end outer rim of snap ring 27 is provided with lower bayonet slot, top fastening station 29 on second time snap ring 28 is arranged in the lower bayonet slot on second on snap ring 27, the lower outside face of upper tapered sleeve 21, the upper inner face of snap ring 22 on first, on second, the upper inner face of snap ring 27 and the lower outside face of rubber tube 6 are inclined-plane wide at the top and narrow at the bottom, the lower inside surface of first time snap ring 23, the upper outside face of rubber tube 6, the lower inside surface of second time snap ring 28 and the upper outside face of lower tapered sleeve 5 are up-narrow and down-wide inclined-plane.Like this, be convenient to piston cylinder 8 and promote slips 13 relative to central tube 2 in the process moved up, lower tapered sleeve 5 extrudes snap ring 27 on second time snap ring 28 and second, and on second, snap ring 27 extrudes rubber tube 6 and makes rubber tube 6 by compression-expansion, thus completes and set.
as shown in accompanying drawing 1,2,3, be respectively arranged with rubber annular groove and lower rubber annular groove in the upper outside of rubber tube 6 and lower outside, in upper rubber annular groove and lower rubber annular groove, be installed with cutting ferrule 25 respectively; Or/and, be arranged at intervals with two spring fitting grooves vertically in the lower inside of slips 13, the conical spring 26 in compression shape is installed in spring fitting groove; Or/and slip spider 12 comprises two and half ring seats, outside the middle part of slips 13, be circumferentially provided with slip spider mounting groove, the two ends of two and half ring seats are fixedly installed togather and are positioned at slip spider mounting groove; Or/and, the top of top connection 1 is provided with internal thread or external screw thread, the bottom of lower contact 3 is provided with internal thread or external screw thread.Like this, conical spring 26 is convenient to outwards extrude slips 13; Internal thread or external screw thread are convenient to installation and removal.
as shown in accompanying drawing 1,2,3, upper tapered sleeve 21 is fixedly connected on the outside of central tube 2 by least one fixing pin 4, be fixedly installed togather by screw thread between top connection 1 and central tube 2, be fixedly installed togather by screw thread between central tube 2 and lower contact 3, be fixedly installed togather by screw thread between pawl ring 18 and central tube 2, be fixedly installed togather by screw thread between connecting cylinder 19 and piston cylinder 8, be fixedly installed togather by screw thread between mounting cylinder 15 and lower contact 3; Or/and, between support ring 20 and central tube 2, sealing ring is installed, sealing ring at least is together installed between interior land 9 and central tube 2, sealing ring at least is together installed between land 7 and piston cylinder 8 outside.Like this, installation and removal are convenient to by screw thread fixed installation; Sealing ring plays better sealing effectiveness.
above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
the use procedure of preferred embodiment: during use, top connection 1 of the present invention is fixedly installed togather by tubing thread and running tool, lower contact 3 of the present invention and coiled tubing are fixedly installed togather, by the present invention by coiled tubing or there is the tubing string of joint to be lowered into the degree of depth of formulation for one time, fluid in completion practice enters in annular seal space 10 by inlet opening 11, fluid, in piston cylinder 8, land 9 forms larger motive force, cut off when the shear pin 14 that piston cylinder 8 is connected with mounting cylinder 15 builds the pressure to a certain extent, shear pin 14 is cut off back piston cylinder 8 and is promoted slips 13 and move up relative to central tube 2, slips 13 extrudes lower tapered sleeve 5, the fixing pin 4 that lower tapered sleeve 5 is connected with central tube 2 is cut off, slips 13 continues the lower tapered sleeve 5 of extruding, lower tapered sleeve 5 extrudes snap ring 27 on second time snap ring 28 and second, on second, snap ring 27 extrudes rubber tube 6 and makes rubber tube 6 by compression-expansion, thus complete and set, slips 13 struts under lower tapered sleeve 5 acts on simultaneously, block on tubing wall and realize sitting extension.
Claims (10)
1. a speed tubing string hydraulic setting packer, is characterized in that comprising top connection, central tube and lower contact, be fixedly installed togather outside the inside middle portion of top connection and the upper end of central tube, the lower end outside of central tube and the inside middle portion of lower contact are fixedly installed togather, lower tapered sleeve is fixedly connected with by least one fixing pin outside the middle part of central tube, the lower outside face of lower tapered sleeve is inclined-plane wide at the top and narrow at the bottom, the outside of the central tube between top connection and lower tapered sleeve is provided with rubber tube, outer land is fixed with at the lower outside of central tube, at the lower outside of central tube, piston cylinder is installed, the bottom of piston cylinder is sleeved in outer land, interior land is fixed with in the upper inner of piston cylinder, interior land is sleeved on central tube, central tube, outer land, annular seal space is formed between interior land and piston cylinder, central tube has the inlet opening that at least one communicates with annular seal space, the outside of the central tube between piston cylinder and lower tapered sleeve is provided with the slips of at least two by slip spider, crown tooth is down distributed with in the upper outside of slips, the inclined-plane wide at the top and narrow at the bottom matched with the lower outside face of lower tapered sleeve is had in the upper inner of slips, mounting cylinder is fixedly connected with by least one shear pin outside the middle part of piston cylinder, be fixedly installed togather outside the lower inside of mounting cylinder and the upper end of lower contact.
2. speed tubing string hydraulic setting packer according to claim 1, it is characterized in that the upper inner of lower contact and inside middle portion are respectively arranged with the upper annular groove and lower annular groove that internal diameter reduces successively, the lower end of central tube is fixedly mounted in lower annular groove, in correspondence, the outside of the central tube of ring groove position is installed with pawl ring, crown pawl is upward distributed with in the outside of pawl ring, connecting cylinder is had in upper annular groove, the upper inner of connecting cylinder and the lower end outside of piston cylinder are fixedly installed togather, crown tooth is down distributed with at the middle part of connecting cylinder and lower inside, pawl on pawl ring and the tooth on connecting cylinder mesh together.
3. speed tubing string hydraulic setting packer according to claim 1 and 2, it is characterized in that the inside middle portion of rubber tube is provided with the little taper of outer imperial palace and installs annular groove, install in annular groove in the taper of rubber tube the support ring being provided with and installing annular groove with taper and match, support ring is sleeved on central tube.
4. speed tubing string hydraulic setting packer according to claim 1 and 2, it is characterized in that the outside of the central tube between top connection and rubber tube is fixedly connected with tapered sleeve, snap ring and first time snap ring on first are installed from top to bottom between upper tapered sleeve and rubber tube, on first, the lower end outer rim of snap ring is fixed with low fastening station, the upper end outer rim of first time snap ring is provided with draw-in groove, on first, the low fastening station of snap ring is arranged in the upper draw-in groove of first time snap ring, snap ring and second time snap ring on second are installed from top to bottom between rubber tube and lower tapered sleeve, top fastening station is fixed with in the upper end outer rim of second time snap ring, on second, the lower end outer rim of snap ring is provided with lower bayonet slot, top fastening station on second time snap ring is arranged in the lower bayonet slot on second on snap ring, the lower outside face of upper tapered sleeve, the upper inner face of snap ring on first, on second, the upper inner face of snap ring and the lower outside face of rubber tube are inclined-plane wide at the top and narrow at the bottom, the lower inside surface of first time snap ring, the upper outside face of rubber tube, the lower inside surface of second time snap ring and the upper outside face of lower tapered sleeve are up-narrow and down-wide inclined-plane.
5. speed tubing string hydraulic setting packer according to claim 3, it is characterized in that the outside of the central tube between top connection and rubber tube is fixedly connected with tapered sleeve, snap ring and first time snap ring on first are installed from top to bottom between upper tapered sleeve and rubber tube, on first, the lower end outer rim of snap ring is fixed with low fastening station, the upper end outer rim of first time snap ring is provided with draw-in groove, on first, the low fastening station of snap ring is arranged in the upper draw-in groove of first time snap ring, snap ring and second time snap ring on second are installed from top to bottom between rubber tube and lower tapered sleeve, top fastening station is fixed with in the upper end outer rim of second time snap ring, on second, the lower end outer rim of snap ring is provided with lower bayonet slot, top fastening station on second time snap ring is arranged in the lower bayonet slot on second on snap ring, the lower outside face of upper tapered sleeve, the upper inner face of snap ring on first, on second, the upper inner face of snap ring and the lower outside face of rubber tube are inclined-plane wide at the top and narrow at the bottom, the lower inside surface of first time snap ring, the upper outside face of rubber tube, the lower inside surface of second time snap ring and the upper outside face of lower tapered sleeve are up-narrow and down-wide inclined-plane.
6. speed tubing string hydraulic setting packer according to claim 1 and 2, it is characterized in that upper outside and the lower outside of rubber tube are respectively arranged with rubber annular groove and lower rubber annular groove, in upper rubber annular groove and lower rubber annular groove, be installed with cutting ferrule respectively; Or/and, be arranged at intervals with two spring fitting grooves vertically in the lower inside of slips, the conical spring in compression shape is installed in spring fitting groove; Or/and slip spider comprises two and half ring seats, outside the middle part of slips, be circumferentially provided with slip spider mounting groove, the two ends of two and half ring seats are fixedly installed togather and are positioned at slip spider mounting groove; Or/and, the top of top connection is provided with internal thread or external screw thread, the bottom of lower contact is provided with internal thread or external screw thread.
7. speed tubing string hydraulic setting packer according to claim 3, it is characterized in that upper outside and the lower outside of rubber tube are respectively arranged with rubber annular groove and lower rubber annular groove, in upper rubber annular groove and lower rubber annular groove, be installed with cutting ferrule respectively; Or/and, be arranged at intervals with two spring fitting grooves vertically in the lower inside of slips, the conical spring in compression shape is installed in spring fitting groove; Or/and slip spider comprises two and half ring seats, outside the middle part of slips, be circumferentially provided with slip spider mounting groove, the two ends of two and half ring seats are fixedly installed togather and are positioned at slip spider mounting groove; Or/and, the top of top connection is provided with internal thread or external screw thread, the bottom of lower contact is provided with internal thread or external screw thread.
8. speed tubing string hydraulic setting packer according to claim 4, it is characterized in that upper outside and the lower outside of rubber tube are respectively arranged with rubber annular groove and lower rubber annular groove, in upper rubber annular groove and lower rubber annular groove, be installed with cutting ferrule respectively; Or/and, be arranged at intervals with two spring fitting grooves vertically in the lower inside of slips, the conical spring in compression shape is installed in spring fitting groove; Or/and slip spider comprises two and half ring seats, outside the middle part of slips, be circumferentially provided with slip spider mounting groove, the two ends of two and half ring seats are fixedly installed togather and are positioned at slip spider mounting groove; Or/and, the top of top connection is provided with internal thread or external screw thread, the bottom of lower contact is provided with internal thread or external screw thread.
9. speed tubing string hydraulic setting packer according to claim 5, it is characterized in that upper outside and the lower outside of rubber tube are respectively arranged with rubber annular groove and lower rubber annular groove, in upper rubber annular groove and lower rubber annular groove, be installed with cutting ferrule respectively; Or/and, be arranged at intervals with two spring fitting grooves vertically in the lower inside of slips, the conical spring in compression shape is installed in spring fitting groove; Or/and slip spider comprises two and half ring seats, outside the middle part of slips, be circumferentially provided with slip spider mounting groove, the two ends of two and half ring seats are fixedly installed togather and are positioned at slip spider mounting groove; Or/and, the top of top connection is provided with internal thread or external screw thread, the bottom of lower contact is provided with internal thread or external screw thread.
10. the speed tubing string hydraulic setting packer according to claim 4 or 5 or 8 or 9, it is characterized in that tapered sleeve is fixedly connected on the outside of central tube by least one fixing pin, be fixedly installed togather by screw thread between top connection and central tube, be fixedly installed togather by screw thread between central tube and lower contact, be fixedly installed togather by screw thread between pawl ring and central tube, be fixedly installed togather by screw thread between connecting cylinder and piston cylinder, be fixedly installed togather by screw thread between mounting cylinder and lower contact; Or/and, between support ring and central tube, sealing ring is installed, sealing ring at least is together installed between interior land and central tube, sealing ring at least is together installed between land and piston cylinder outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700306.2A CN105257240B (en) | 2015-10-26 | 2015-10-26 | Speed column hydraulic setting packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510700306.2A CN105257240B (en) | 2015-10-26 | 2015-10-26 | Speed column hydraulic setting packer |
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| Publication Number | Publication Date |
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| CN105257240A true CN105257240A (en) | 2016-01-20 |
| CN105257240B CN105257240B (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510700306.2A Active CN105257240B (en) | 2015-10-26 | 2015-10-26 | Speed column hydraulic setting packer |
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| CN (1) | CN105257240B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185441A (en) * | 2019-05-24 | 2019-08-30 | 中国地质科学院地质力学研究所 | A kind of urgent sluicing component of hydrofracturing measuring device |
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| CN205277365U (en) * | 2015-10-26 | 2016-06-01 | 中国石油集团西部钻探工程有限公司 | Speed is a hydraulic pressure seat packer for tubular column |
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2015
- 2015-10-26 CN CN201510700306.2A patent/CN105257240B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2278907A1 (en) * | 1974-07-18 | 1976-02-13 | Orszagos Koolaj Gazipari | Oil well packer - hydraulically set by wedge seals with shear pins and released by turn/pull |
| WO2002064942A2 (en) * | 2001-02-15 | 2002-08-22 | Weatherford/Lamb, Inc. | Downhole packer |
| CN201705275U (en) * | 2010-06-02 | 2011-01-12 | 中国石油天然气股份有限公司 | Washable well packer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185441A (en) * | 2019-05-24 | 2019-08-30 | 中国地质科学院地质力学研究所 | A kind of urgent sluicing component of hydrofracturing measuring device |
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| Publication number | Publication date |
|---|---|
| CN105257240B (en) | 2018-03-27 |
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Address after: 830026 the Xinjiang Uygur Autonomous Region economic and Technological Development Zone, Central South Road, No. 326, West Drilling Drilling Engineering Technology Research Institute of science and Technology Management Department of science and technology Applicant after: CNPC Xibu Drilling Engineering Company Limited Address before: 834000 the Xinjiang Uygur Autonomous Region Friendship Road, No. 98 Drilling Engineering Technology Research Institute, Karamay Applicant before: CNPC Xibu Drilling Engineering Company Limited |
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Effective date of registration: 20201105 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |