CN202946102U - Automatic-grouting drilling-easy float collar device - Google Patents
Automatic-grouting drilling-easy float collar device Download PDFInfo
- Publication number
- CN202946102U CN202946102U CN 201220670502 CN201220670502U CN202946102U CN 202946102 U CN202946102 U CN 202946102U CN 201220670502 CN201220670502 CN 201220670502 CN 201220670502 U CN201220670502 U CN 201220670502U CN 202946102 U CN202946102 U CN 202946102U
- Authority
- CN
- China
- Prior art keywords
- float collar
- grouting
- valve seat
- collar device
- valve body
- 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
Images
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to the technical field of gas field, and discloses an automatic-grouting drilling-easy float collar device. The automatic-grouting drilling-easy float collar device comprises a body, a valve base, a valve body, a shear pin and a cylinder body, wherein the valve base is fixed in the body through the shear pin, and the outer wall of the lower part of the valve base is provided with a retreat stopping device which can block the valve base to ascend; the outer side of the cylinder body and the inner side of the lower part of the body are fixedly installed together, the inner side of the lower end of the cylinder body is fixedly provided with an inner boss, the middle of the inner boss is provided with an installing hole, and liquid flow holes are distributed on the inner boss of the outer side of the installing hole along the circumference; and the lower part of the valve body is sleeved in the installing hole, and the upper end of the valve body is fixedly provided with a hemisphere sealing head the outer diameter of which is greater than the inner diameter of the valve base. The automatic-grouting drilling-easy float collar device provided by the utility model has the characteristics that the structure is reasonable and compact, the use is convenient, the body, the valve base, the cylinder body, the valve body and the shear pin are matched to use, the purpose that the shear pin is cut off, the valve base and the valve body are sealed so as to carry out self locking, the automatic-grouting drilling-easy float collar device is safe and reliable, the operation is convenient, and the operating efficiency is improved.
Description
Technical field
The utility model relates to the solid completion technique of oil gas field field, is a kind ofly easily to bore the float collar device from grouting.
Background technology
Float collar is a kind of attachment commonly used in solid completion, now float collar commonly used is float-ball type float collar and forced action type float collar, the float-ball type float collar can't stop that after solid completion bruising lower liquid flows backwards, must depend on Self-locking rubber cork and be used in conjunction with, not so in time grouting in forced action type float collar setting of casing process might cause the setting of casing difficulty or damage float collar.
Summary of the invention
The utility model provides a kind of and has easily bored the float collar device from grouting, has overcome the deficiency of above-mentioned prior art, and it can effectively solve, and existing apparatus will be used in conjunction with the lock plug, setting of casing difficulty and float collar hold flimsy problem.
the technical solution of the utility model realizes by following measures: a kind of from the easy float collar device that bores of grouting, comprise body, valve seat, valve body, shear pin and cylindrical shell, valve seat is fixedly mounted in body by shear pin, on the outer wall of the bottom of valve seat, the stopping device that can stop valve seat up is installed, the outside of cylindrical shell and the lower inside of body are fixedly installed togather, inboard, lower end at cylindrical shell is fixed with inner convex platform, there is installing hole at middle part at inner convex platform, on the inner convex platform in the installing hole outside, liquid flow hole is arranged circumferentially, the bottom of valve body is sleeved in installing hole, be fixed with external diameter in the upper end of valve body greater than the hemisphere seal head of valve seat bore, be set with on the valve body between hemisphere seal head and inner convex platform and be the Compress Spring that compresses shape, lower outside fixed installation restraining position ring block at valve body, on the upper surface of spacing ring holds out against at inner convex platform by Compress Spring Inner edge lower surface.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
Above-mentioned stopping device comprises the retaining steel ball; Along circumference, retaining steel ball mounting groove wide at the top and narrow at the bottom is arranged at the bottom of valve seat outer wall, in retaining steel ball mounting groove, the retaining steel ball is installed.
Above-mentioned upper outside at valve body is fixed with outer lug boss, be fixed with Ka Tai on inner convex platform, the bottom of valve body is sleeved in Ka Tai and installing hole, be set with on the outer lug boss between hemisphere seal head and inner convex platform and Ka Tai and be the Compress Spring that compresses shape, on the upper surface of spacing ring holds out against at inner convex platform by Compress Spring Inner edge lower surface.
Above-mentionedly be installed with the hemisphere rubber corresponding with the hemisphere seal head on the hemisphere seal head.
The lower inside surface of above-mentioned valve seat is the up-small and down-big conical surface.
Internal thread or external screw thread are arranged at above-mentioned top at body, in the bottom of body, external screw thread are arranged.
Be fixedly installed togather by screw thread between above-mentioned cylindrical shell and body, be fixedly installed togather by screw thread between spacing ring and valve body.
Above-mentioned upper outside at valve seat has the sealing ring mounting groove and sealing ring is installed, and the sealing ring mounting groove is arranged and sealing ring is installed at the lower outside of valve seat.
The utility model reasonable and compact in structure, easy to use, by being used in conjunction with of body, valve seat, cylindrical shell, valve body and shear pin, realize that shear pin cuts off the purpose of rear valve base and valve seal and self-locking, have safe and reliable characteristics, facilitated operation, improved operating efficiency.
Description of drawings
Accompanying drawing 1 is looked the half section structural representation for the master of the utility model most preferred embodiment.
Accompanying drawing 2 is that the master after the shear pin in accompanying drawing 1 is cut off looks the half section structural representation.
Coding in accompanying drawing is respectively: 1 is body, and 2 is valve seat, and 3 is valve body, and 4 is shear pin, and 5 is cylindrical shell, 6 is inner convex platform, and 7 is the retaining steel ball, and 8 is liquid flow hole, and 9 is the hemisphere seal head, and 10 is Compress Spring, 11 is spacing ring, and 12 is outer lug boss, and 13 is Ka Tai, and 14 is hemisphere rubber, and 15 is sealing ring.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts is all that the Butut mode according to Figure of description 1 is described, as: the position relationship of forward and backward, upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing, the utility model is further described:
as shown in accompanying drawing 1,2, should easily bore the float collar device from grouting and comprise body 1, valve seat 2, valve body 3, shear pin 4 and cylindrical shell 5, valve seat 2 is fixedly mounted in body 1 by shear pin 4, on the outer wall of the bottom of valve seat 2, the stopping device that can stop valve seat 2 up is installed, the lower inside of the outside of cylindrical shell 5 and body 1 is fixedly installed togather, inboard, lower end at cylindrical shell 5 is fixed with inner convex platform 6, there is installing hole at middle part at inner convex platform 6, on the inner convex platform 6 in the installing hole outside, liquid flow hole 8 is arranged circumferentially, the bottom of valve body 3 is sleeved in installing hole, be fixed with external diameter in the upper end of valve body 3 greater than the hemisphere seal head 9 of valve seat 2 internal diameters, be set with on the valve body 3 between hemisphere seal head 9 and inner convex platform 6 and be the Compress Spring 10 that compresses shape, lower outside fixed installation restraining position ring block 11 at valve body 3, the upper surface of spacing ring 11 holds out against on the Inner of inner convex platform 6 edge lower surface by Compress Spring 10.Valve seat 2, cylindrical shell 5, inner convex platform 6, hemisphere seal head 9, valve body 3 and spacing ring 11 are easily to bore material, are convenient to after solid completion, it be bored.
Can according to actual needs, make further optimization and/or improvements from the easy float collar device that bores of grouting above-mentioned:
As shown in accompanying drawing 1,2, stopping device comprises retaining steel ball 7; Along circumference, retaining steel ball mounting groove wide at the top and narrow at the bottom is arranged at the bottom of valve seat 2 outer wall, in retaining steel ball mounting groove, retaining steel ball 7 is installed.Retaining steel ball 7 can prevent that valve seat 2 is up.
As shown in accompanying drawing 1,2, upper outside at valve body 3 is fixed with outer lug boss 12, be fixed with card platform 13 on inner convex platform 6, the bottom of valve body 3 is sleeved in card platform 13 and installing hole, be set with on the outer lug boss 12 between hemisphere seal head 9 and inner convex platform 6 and Ka Tai 13 and be the Compress Spring 10 that compresses shape, the upper surface of spacing ring 11 holds out against on the Inner of inner convex platform 6 edge lower surface by Compress Spring 10.Like this, spacing ring 11 plays the effect of fixing and spacing valve body 3.
As shown in accompanying drawing 1,2, be installed with the hemisphere rubber 14 corresponding with hemisphere seal head 9 on hemisphere seal head 9.Like this, be convenient to better sealing.
As shown in accompanying drawing 1,2, the lower inside surface of valve seat 2 is the up-small and down-big conical surface.Like this, be convenient to better sealing between valve seat 2 and hemisphere rubber 14.
As shown in accompanying drawing 1,2, on the top of body 1, internal thread or external screw thread are arranged, in the bottom of body 1, external screw thread is arranged.
As shown in accompanying drawing 1,2, be fixedly installed togather by screw thread between cylindrical shell 5 and body 1, be fixedly installed togather by screw thread between spacing ring 11 and valve body 3.Like this, be convenient to installation and removal.
As shown in accompanying drawing 1,2, the sealing ring mounting groove is arranged and sealing ring 15 is installed in the upper outside of valve seat 2, the sealing ring mounting groove is arranged and sealing ring 15 is installed at the lower outside of valve seat 2.Like this, sealing ring 15 is convenient to keep between valve seat 2 and body 1 sealing.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
the use procedure of the utility model most preferred embodiment: during use, by in design access completion tubular string, lower pipe string is lowered to the precalculated position, need not be in the milk in the setting of casing process with the utility model, pipe seals in after well routinely that flow process is carried out well-flushing, annotated prepad fluid, cement injection, for the slurry operation, form bruising when arriving the top of valve seat 2 for the slurry plug, when pressure reaches the shear pressure of shear pin 4, cut off shear pin 4, promote valve seat 2 for the slurry plug descending, the lower inside conical surface extruding hemisphere rubber 14 of valve seat 2, promoting valve seat 2 for the slurry plug continues descending, Compress Spring 10 is further compressed, for the slurry plug, valve seat 2, hemisphere rubber 14, hemisphere seal head 9, valve body 3 and spacing ring 11 are descending together, when the lower end that comes downwards to valve seat 2 withstands on the upper surface of cylindrical shell 5, form sealing between the lower inside conical surface of valve seat 2 and hemisphere rubber 14, effect lower valve base 2 at retaining steel ball 7 forms self-locking.
Claims (10)
1. one kind is easily bored the float collar device from grouting, it is characterized in that comprising body, valve seat, valve body, shear pin and cylindrical shell, valve seat is fixedly mounted in body by shear pin, on the outer wall of the bottom of valve seat, the stopping device that can stop valve seat up is installed, the outside of cylindrical shell and the lower inside of body are fixedly installed togather, inboard, lower end at cylindrical shell is fixed with inner convex platform, there is installing hole at middle part at inner convex platform, on the inner convex platform in the installing hole outside, liquid flow hole is arranged circumferentially, the bottom of valve body is sleeved in installing hole, be fixed with external diameter in the upper end of valve body greater than the hemisphere seal head of valve seat bore, be set with on the valve body between hemisphere seal head and inner convex platform and be the Compress Spring that compresses shape, lower outside fixed installation restraining position ring block at valve body, on the upper surface of spacing ring holds out against at inner convex platform by Compress Spring Inner edge lower surface.
2. according to claim 1 from the easy float collar device that bores of grouting, it is characterized in that stopping device comprises the retaining steel ball; Along circumference, retaining steel ball mounting groove wide at the top and narrow at the bottom is arranged at the bottom of valve seat outer wall, in retaining steel ball mounting groove, the retaining steel ball is installed.
3. according to claim 1 and 2 from the easy float collar device that bores of grouting, the upper outside that it is characterized in that valve body is fixed with outer lug boss, be fixed with Ka Tai on inner convex platform, the bottom of valve body is sleeved in Ka Tai and installing hole, be set with on the outer lug boss between hemisphere seal head and inner convex platform and Ka Tai and be the Compress Spring that compresses shape, on the upper surface of spacing ring holds out against at inner convex platform by Compress Spring Inner edge lower surface.
4. according to claim 1 and 2 from the easy float collar device that bores of grouting, it is characterized in that being installed with on the hemisphere seal head hemisphere rubber corresponding with the hemisphere seal head.
5. according to claim 3 from the easy float collar device that bores of grouting, it is characterized in that being installed with on the hemisphere seal head hemisphere rubber corresponding with the hemisphere seal head.
6. according to claim 1 and 2 from the easy float collar device that bores of grouting, it is characterized in that the lower inside surface of valve seat is the up-small and down-big conical surface.
7. according to claim 5 from the easy float collar device that bores of grouting, it is characterized in that the lower inside surface of valve seat is the up-small and down-big conical surface.
8. the float collar device is easily bored in grouting certainly according to claim 7, it is characterized in that internal thread or external screw thread are arranged at the top of body, in the bottom of body, external screw thread is arranged.
9. the float collar device is easily bored in grouting certainly according to claim 8, it is characterized in that being fixedly installed togather by screw thread between cylindrical shell and body, is fixedly installed togather by screw thread between spacing ring and valve body.
10. according to claim 9ly easily bore the float collar device from grouting, it is characterized in that the upper outside of valve seat has the sealing ring mounting groove and sealing ring is installed, the sealing ring mounting groove is arranged and sealing ring is installed at the lower outside of valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670502 CN202946102U (en) | 2012-12-07 | 2012-12-07 | Automatic-grouting drilling-easy float collar device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220670502 CN202946102U (en) | 2012-12-07 | 2012-12-07 | Automatic-grouting drilling-easy float collar device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946102U true CN202946102U (en) | 2013-05-22 |
Family
ID=48421809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220670502 Expired - Fee Related CN202946102U (en) | 2012-12-07 | 2012-12-07 | Automatic-grouting drilling-easy float collar device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946102U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267972A (en) * | 2018-10-30 | 2019-01-25 | 中国石油天然气股份有限公司 | A kind of speed column two-stage plugging device and application method |
| CN110158861A (en) * | 2019-06-13 | 2019-08-23 | 南昌汇达知识产权有限公司 | A kind of full grout sleeve pours sealing device |
| CN112127826A (en) * | 2020-10-19 | 2020-12-25 | 西京学院 | Setting and unsealing mechanism for underground sealing short section |
-
2012
- 2012-12-07 CN CN 201220670502 patent/CN202946102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267972A (en) * | 2018-10-30 | 2019-01-25 | 中国石油天然气股份有限公司 | A kind of speed column two-stage plugging device and application method |
| CN110158861A (en) * | 2019-06-13 | 2019-08-23 | 南昌汇达知识产权有限公司 | A kind of full grout sleeve pours sealing device |
| CN110158861B (en) * | 2019-06-13 | 2021-12-28 | 上海利物宝建筑科技有限公司 | Sealing device is pour to full grout sleeve |
| CN112127826A (en) * | 2020-10-19 | 2020-12-25 | 西京学院 | Setting and unsealing mechanism for underground sealing short section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103470214B (en) | Multistage hydraulic bridging plug seating and sealing unit | |
| CN202946102U (en) | Automatic-grouting drilling-easy float collar device | |
| CN204252931U (en) | A kind of water injection packer | |
| CN107503718B (en) | Downhole choke | |
| CN202946100U (en) | Halfway well cementation self-grouting float collar | |
| CN102839941B (en) | Telescopic purpose lower sleeve slurry filling device | |
| CN102493782A (en) | Bridge plug for horizontal well | |
| CN201794527U (en) | Casing float collar | |
| CN100510313C (en) | Upward pushing type expansion pipe well repairing device | |
| CN204571914U (en) | Mechanical and hydraulic double-acting special cementing device | |
| CN204571921U (en) | Anti-sticking plug is used in well cementation | |
| CN103470209B (en) | Reliable packer | |
| CN203515413U (en) | Mechanical and hydraulic dual-action ground anchor assembly | |
| CN202832576U (en) | Three-use valve for mining individual hydraulic prop | |
| CN202273650U (en) | Well cementing valve | |
| CN203742545U (en) | Combined drill pipe rubber plug | |
| CN201794553U (en) | Underground switch well valve for coal bed gas well testing device | |
| CN204253679U (en) | Automobile brake fluid discharging device | |
| CN203867502U (en) | Hydraulic releasing tool | |
| CN104455100B (en) | Automobile brake fluid discharging device | |
| CN202273643U (en) | High-reliability well cementing rubber plug | |
| CN203547655U (en) | Well cementing split rubber plug device of composite casing pipe | |
| CN102400660A (en) | Underground switch well valve for test device of coal bed gas well | |
| CN202659206U (en) | Heavy oil observation well casing head | |
| CN204571916U (en) | Reciprocating circulation blind plate device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20201207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |