CN201292816Y - Self-pouring sliding bush closing type cementing machine - Google Patents
Self-pouring sliding bush closing type cementing machine Download PDFInfo
- Publication number
- CN201292816Y CN201292816Y CN 200820219677 CN200820219677U CN201292816Y CN 201292816 Y CN201292816 Y CN 201292816Y CN 200820219677 CN200820219677 CN 200820219677 CN 200820219677 U CN200820219677 U CN 200820219677U CN 201292816 Y CN201292816 Y CN 201292816Y
- Authority
- CN
- China
- Prior art keywords
- well
- cementing
- sliding
- sleeve
- jump ring
- 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
Links
- 239000004568 cement Substances 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 3
- 125000004122 cyclic group Chemical group 0.000 abstract 2
- 238000005553 drilling Methods 0.000 abstract 2
- 239000011440 grout Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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Abstract
The utility model relates to a self-filling sliding sleeve closed-type cementing well- cementation machine used for cementing during the well completion of petroleum slope mines, lateral drilling wells and horizontal wells, and the self-filling sliding sleeve closed-type cementing well-cementation machine comprises an upper joint, a body, a sliding closed sleeve, a seal ring, a supporting bracket, a shear pin, a clamp spring, cyclic holes, a clamp spring groove and a lower joint, wherein self-sealing screw threads with conicity are arranged at the upper end of the upper joint and are in threaded connection with an upper bushing string, and self-sealing screw threads with conicity are arranged outside the lower end of the upper joint and are in threaded connection with the body; and meanwhile, the clamp spring groove is arranged in a hole; the sliding closed sleeve with a supporting ring is arranged in the body, and the sliding closed sleeve and the body are fixed by the shear pin and sealed by the seal ring; the sliding closed sleeve is arranged at the upper end of the lower joint, the clamp spring and the clamp spring groove which is arranged in the body are meshed and closed; and the interior and the exterior of the body are communicated through cyclic holes. The well-cementing machine solves the problems that the cementing well-cementation machine has poor closing effect, micro clearances are formed between the bushing and the cement ring and give off oil gas outwards and the sealing quality is poor and can be used for the cementing operation during the well completion of petroleum slope mines, lateral drilling wells and horizontal wells.
Description
Technical field:
The utility model relates to a kind of from irritating sliding sleeve closing type cementing well device that incline shaft petroleum, sidetracked hole, horizontal well completion cementing use.
Background technology:
The oil field is in the completion process at present, what cementing was adopted is that piston spring resets or the unidirectional choked flow cementing device of ball float, the former promotes piston by spring force to close, and the latter closes by the unsteady ball float of buoyancy, but the two is difficult in the inclined shaft and closes between two parties, also be difficult to realize from the trend ipe grout, therefore inclined shaft, high angle hole, sidetracked hole, horizontal well and the compound completion cementing well of level are closed weak effect, usually can only build the pressure to wait and coagulate, make between sleeve pipe and the cement sheath and form the microgap, cause the outer blow-out of sleeve pipe, interlayer is scurried mutually, influences the sealing quality.
The utility model content:
The purpose of this utility model provides a kind of from irritating the closed cementing well device of sliding sleeve, this well cementation device has solved the difficult realization of the existing utensil that exists in the prior art from the trend ipe grout, can pour into, cementing well is closed weak effect, make between sleeve pipe and the cement sheath and form the microgap, cause the outer blow-out of sleeve pipe, interlayer is scurried mutually, influences the problem of sealing quality.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of from irritating sliding sleeve closing type cementing well device, by top connection, body, the sliding closing cover, joint ring, the support seat, shear pin, jump ring, circulation port, the jump ring groove, lower contact is formed: the screw thread that is provided with band tapering self seal in the top connection upper end is threaded with the upper sleeve string, the screw thread that its outside, lower end is provided with band tapering self seal is threaded with body, the circulation port that it is 10-40mm that body is circumferentially with 2-20 diameter, in the hole, be provided with simultaneously the jump ring groove, the sliding closing cover of band retainer ring is housed in body, fix with shear pin and body, shear back sliding closing circulation port with seal ring seal sliding closing cover shear pin between them, seat is in the lower contact upper end, it is closed cover outer, lower end is provided with jump ring and intrinsic jump ring groove and meshes and close, stop the annular space cement paste to return in the sleeve pipe, realize cement paste normal pressure time with fixed attention, this inside and outside is communicated with by circulation port, in the setting of casing process, the outer mud of sleeve pipe enters in the pipe automatically, do not need artificial mud grouting, realize automatic mud grouting, outside, lower contact two ends is provided with the band tapering, the screw thread of self seal, one end is threaded with body, the other end is threaded with bunch tube, after this well cementation device arrives the pre-location of well down with sleeve pipe, circulation well cleanup, cementing, for mud promote plug be pressurized to the support seat one regularly shear pin cut off, piston promotion sliding closing cover moves down closes circulation port, jump ring enters the engagement of body jump ring groove and closes, stop the annular space cement paste to return in the sleeve pipe, realize cement paste normal pressure time with fixed attention, finish the cementing well operation, wait to the cement solidifies, piston sliding closing cover seals permanent fixation.
The beneficial effects of the utility model are: this apparatus structure is simple, easy to use, reliable operation, utilize it can be in the setting of casing process in the trend pipe mud grouting, simultaneously can the turn on pump circulation well cleanup, get final product circulation well cleanup, cementing, replacement, moulding plug after the pipe string puts in place down and close cover, the permanent seal that thes cement solidifies is afterwards fixed, guarantee once success of cementing, improve cementing quality.
Description of drawings:
Accompanying drawing is the utility model overall structure schematic diagram.
Among the figure 1, top connection, 2, body, 3, the sliding closing cover, 4, joint ring, 5, the support seat, 6, shear pin, 7, jump ring, 8, circulation port, 9, the jump ring groove, 10, lower contact.
The specific embodiment:
In the accompanying drawings, a kind of from irritating sliding sleeve closing type cementing well device by top connection 1, body 2, sliding closing cover 3, joint ring 4, support seat 5, shear pin 6, jump ring 7, circulation port 8, jump ring groove 9, lower contact 10 is formed: the screw thread that is provided with band tapering self seal in top connection 1 upper end is threaded with the upper sleeve string, the screw thread that its outside, lower end is provided with band tapering self seal is threaded with body 2, the circulation port 8 that it is 10-40mm that body 2 is circumferentially with 2-20 diameter, in the hole, be provided with simultaneously jump ring groove 9, the sliding closing cover 3 of band retainer ring 5 is housed in body 2, fixing with shear pin 6 with body 2, seal with joint ring 4 between them, sliding closing overlaps 3 shear pins and shears back sliding closing circulation port 8, seat is in lower contact 10 upper ends, it is closed cover outer, lower end is provided with jump ring 7 and closes with jump ring groove 9 engagements in the body 2, stop the annular space cement paste to return in the sleeve pipe, realize cement paste normal pressure time with fixed attention, this inside and outside is communicated with by circulation port, in the setting of casing process, the outer mud of sleeve pipe enters in the pipe automatically, do not need artificial mud grouting, realize automatic mud grouting, outside, lower contact 10 two ends is provided with the band tapering, the screw thread of self seal, one end is threaded with body 2, the other end is threaded with bunch tube, after this well cementation device arrives the pre-location of well down with sleeve pipe, circulation well cleanup, cementing, for mud promote plug be pressurized to the support seat 5 one regularly shear pin cut off, piston promotion sliding closing cover 3 moves down closes circulation port 8, jump ring 7 enters the engagement of body 2 jump ring grooves and closes, stop the annular space cement paste to return in the sleeve pipe, realize cement paste normal pressure time with fixed attention, finish the cementing well operation.
Claims (2)
1, a kind of from irritating sliding sleeve closing type cementing well device by top connection (1), body (2) sliding closing cover, (3), joint ring (4), support seat (5), shear pin (6), jump ring (7), circulation port (8), jump ring groove (9), lower contact (10) is formed, it is characterized in that: the screw thread that is provided with band tapering self seal in top connection (1) upper end is threaded with the upper sleeve string, the screw thread that its outside, lower end is provided with band tapering self seal is threaded with body (2), be circumferentially with circulation port (8) at body (2) and in the hole, be provided with jump ring groove (9) simultaneously, the sliding closing cover (3) of band retainer ring (5) is housed in body (2), fixing with shear pin (6) and body (2), seal with joint ring (4) between them, sliding closing cover (3) shear pin is sheared back sliding closing circulation port (8), seat is in lower contact (10) upper end, it is closed jump ring groove (9) engagement that cover outer, lower end is provided with in jump ring (7) and the body (2) closes, stop the annular space cement paste to return in the sleeve pipe, realize cement paste normal pressure time with fixed attention, this inside and outside is communicated with by circulation port, in the setting of casing process, the outer mud of sleeve pipe enters in the pipe automatically, realize automatic mud grouting, lower contact (10) outside, two ends is provided with the band tapering, the screw thread of self seal, one end is threaded with body (2), the other end is threaded with bunch tube, after this well cementation device arrives the pre-location of well down with sleeve pipe, the circulation well cleanup cementing, for mud promote plug be pressurized to the support seat (5) one regularly shear pin cut off, piston promotion sliding closing cover (3) moves down closes circulation port (8), jump ring (7) enters the engagement of body (2) jump ring groove and closes, stop the annular space cement paste to return in the sleeve pipe, realize cement paste normal pressure time with fixed attention, finish the cementing well operation.
2, according to claim 1 a kind of from irritating sliding sleeve closing type cementing well device, it is characterized in that: the circulation port (8) that it is 10-40mm that body (2) is circumferentially with 2-20 diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820219677 CN201292816Y (en) | 2008-11-24 | 2008-11-24 | Self-pouring sliding bush closing type cementing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820219677 CN201292816Y (en) | 2008-11-24 | 2008-11-24 | Self-pouring sliding bush closing type cementing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201292816Y true CN201292816Y (en) | 2009-08-19 |
Family
ID=41006292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820219677 Expired - Fee Related CN201292816Y (en) | 2008-11-24 | 2008-11-24 | Self-pouring sliding bush closing type cementing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201292816Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839941A (en) * | 2012-09-15 | 2012-12-26 | 中国石油集团西部钻探工程有限公司 | Extensible slurry filling device for running casing |
| CN104989319A (en) * | 2015-05-26 | 2015-10-21 | 成都高普石油工程技术有限公司 | Cementing method based on continuous cementing mode in petroleum exploration |
| CN106555562A (en) * | 2015-09-24 | 2017-04-05 | 中国石油化工股份有限公司 | Displacement control homing position type is from grouting blind plate |
| CN106639970A (en) * | 2016-12-02 | 2017-05-10 | 河南东方龙机械制造有限公司 | Multifunctional well completion pipe string sealing performance detecting device and application method |
| CN115324524A (en) * | 2022-07-18 | 2022-11-11 | 德州隆科石油装备有限公司 | Graded cementing device |
-
2008
- 2008-11-24 CN CN 200820219677 patent/CN201292816Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102839941A (en) * | 2012-09-15 | 2012-12-26 | 中国石油集团西部钻探工程有限公司 | Extensible slurry filling device for running casing |
| CN102839941B (en) * | 2012-09-15 | 2015-07-29 | 中国石油集团西部钻探工程有限公司 | Telescopic purpose lower sleeve slurry filling device |
| CN104989319A (en) * | 2015-05-26 | 2015-10-21 | 成都高普石油工程技术有限公司 | Cementing method based on continuous cementing mode in petroleum exploration |
| CN106555562A (en) * | 2015-09-24 | 2017-04-05 | 中国石油化工股份有限公司 | Displacement control homing position type is from grouting blind plate |
| CN106639970A (en) * | 2016-12-02 | 2017-05-10 | 河南东方龙机械制造有限公司 | Multifunctional well completion pipe string sealing performance detecting device and application method |
| CN115324524A (en) * | 2022-07-18 | 2022-11-11 | 德州隆科石油装备有限公司 | Graded cementing device |
| CN115324524B (en) * | 2022-07-18 | 2023-12-26 | 德州隆科石油装备有限公司 | Stage cementing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090819 Termination date: 20111124 |