CN104234657A - Double-limiting metal sealing oil pipe suspender - Google Patents
Double-limiting metal sealing oil pipe suspender Download PDFInfo
- Publication number
- CN104234657A CN104234657A CN201410487996.3A CN201410487996A CN104234657A CN 104234657 A CN104234657 A CN 104234657A CN 201410487996 A CN201410487996 A CN 201410487996A CN 104234657 A CN104234657 A CN 104234657A
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- oil pipe
- boll
- ring
- sealing ring
- metal sealing
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Abstract
The invention discloses a double-limiting metal sealing oil pipe suspender. An upper metal sealing ring (3), an upper FS rubber sealing ring (4), a lower FS metal sealing ring (7) and a choke plug (5) are installed on an oil pipe suspender body (2), a lower metal sealing ring (8) is installed on the oil pipe suspender body (2) through a sealing ring backing ring (9) and a locking nut (10), the locking nut (10) is fixed on the oil pipe suspender body (2) through a stop screw (11), the oil pipe suspender body (2) is installed inside an oil pipe cross pipe (12) and screwed by a jackscrew (6), and an oil pipe cross pipe upper flange (1) is screwed on the oil pipe cross pipe (12) to stimulate the metal sealing. The upper metal sealing ring and the lower metal sealing ring are designed to be independent from each other, the interference amount can be independently controlled, and the oil pipe suspender and the oil pipe cross pipe as well as the oil pipe cross pipe upper flange are rigidly positioned, so that the oil pipe suspender is not moved under any situation, and the sealing reliability of the product can be improved.
Description
Technical field
The present invention relates to boll-weevil hanger, be specifically related to a kind of two spacing metal sealing boll-weevil hanger.
Background technology
At present, there is following problem in known metal sealing boll-weevil hanger:
1. upper metal sealing ring and the lower metal sealing ring magnitude of interference not separate, total magnitude of interference of upper and lower metal sealing is fixed, but the magnitude of interference of metal o-ring cannot independently control up and down, during use, because the size of upper and lower metal o-ring is different, decrement by two kinds of metal o-rings during identical power is different, and the sealing reliability of twice metal o-ring has no idea to assess and control;
2. the location of boll-weevil hanger relies on the metal o-ring magnitude of interference to control, once well head being under pressure, the impact of the effect such as temperature, can there is a little displacement in boll-weevil hanger, cause metal sealing to lose efficacy.
Summary of the invention
The object of the invention is to: a kind of two spacing metal sealing boll-weevil hanger is provided, realize: 1. the magnitude of interference of the metal sealing up and down of boll-weevil hanger is independently controlled, avoid the situation that the magnitude of interference of upper and lower two metal o-rings of boll-weevil hanger cannot independently control; 2. rigidity is all adopted to locate the location between boll-weevil hanger and four-way body, oil pipe four-way upper flange, do not rely on the metal o-ring magnitude of interference to realize and support and location, even if when the effects such as well head is being under pressure like this, temperature, boll-weevil hanger also can not produce any displacement, can not affect the sealing performance of boll-weevil hanger.
The scheme of technical solution problem of the present invention is: this pair of spacing metal sealing boll-weevil hanger comprises oil pipe four-way upper flange, boll-weevil hanger body, upper metal o-ring, top FS type rubber seal, plug, jackscrew, bottom FS type rubber seal, lower metal o-ring, sealing ring backing ring, locking nut, check screw and oil pipe four-way, the inner chamber of oil pipe four-way establishes a spacing shoulder and No. two spacing shoulders, upper metal sealing ring, top FS type rubber seal, bottom FS type metal o-ring and plug are arranged on boll-weevil hanger body, lower metal sealing ring is arranged on boll-weevil hanger body by sealing ring backing ring and locking nut screw thread, locking nut is fixed on boll-weevil hanger body by check screw, boll-weevil hanger body is arranged on oil pipe four-way inside stably and tightens jackscrew, oil pipe four-way is tightened installation oil pipe four-way upper flange and excite boll-weevil hanger metal sealing, sealing ring backing ring just touches with oil pipe four-way inner chamber limiting stand shoulder grafting, lower metal sealing ring also touches with oil pipe four-way inner chamber No. two limiting stand shoulder graftings, forms dual rigid limit.
During assembling, first on boll-weevil hanger body, install top FS type rubber seal and bottom FS type rubber seal, then lower metal sealing ring, sealing ring backing ring, locking nut and check screw and plug are installed on boll-weevil hanger body successively, secondly the boll-weevil hanger assembled be installed to together with oil pipe assembly oil pipe four-way inside stably and tighten jackscrew, finally on boll-weevil hanger body, top metal o-ring is installed, oil pipe four-way is tightened installation oil pipe four-way upper flange and excite boll-weevil hanger metal sealing.
The present invention has the following advantages:
1. by the independent design of metal o-ring up and down of boll-weevil hanger, lower metal sealing ring relies on tightens jackscrew and tubing weight to excite metal sealing, upper metal sealing ring relies on the connecting bolt tightening oil pipe four-way upper flange to excite metal sealing, the situation that the magnitude of interference that this design prevents the metal o-ring up and down of boll-weevil hanger cannot independently control.
2. the location up and down of boll-weevil hanger is all designed to rigidity location, boll-weevil hanger is under the effect of jackscrew and tubing weight, deflection can deform through the lower metal o-ring of design, after metal sealing excites, sealing ring backing ring below metal o-ring just contacts with oil pipe four-way inner chamber shoulder, and the shoulder under boll-weevil hanger above metal o-ring also contacts with oil pipe four-way inner chamber shoulder, form dual rigid limit, boll-weevil hanger top is after metal sealing excites, boll-weevil hanger upper surface contacts with oil pipe four-way upper flange inner face, formation rigidity is located, this structure design is subject to temperature at well head, when the effects such as pressure, boll-weevil hanger can not produce any displacement, and sealing is very reliable.
3. can be used for super-pressure oil well, gas well, can meet under the temperature condition of-46 DEG C ~ 121 DEG C, apply rated operating pressure carry out high and low temperature circulation and realize sealing reliably, this structure tubing hanger hanger is oily under achieving field condition harsh conditions, the safe handling of gas well, greatly can improve the safety of well head while ensureing well head long-term production.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1 oil pipe four-way upper flange; 2 boll-weevil hanger bodies; Metal o-ring on 3; 4 top FS type rubber seal; 5 plugs; 6 jackscrews; 7 bottom FS type rubber seal; 8 times metal o-rings; 9 sealing ring backing rings; 10 locking nuts; 11 check screws; 12 oil pipe four-ways; No. 13 spacing shoulders; 14 No. two spacing shoulders.
Detailed description of the invention
As shown in Figure 1, this pair of spacing metal sealing boll-weevil hanger comprises oil pipe four-way upper flange 1, boll-weevil hanger body 2, upper metal o-ring 3, top FS type rubber seal 4, plug 5, jackscrew 6, bottom FS type rubber seal 7, lower metal o-ring 8, sealing ring backing ring 9, locking nut 10, check screw 11 and oil pipe four-way 12, the inner chamber of oil pipe four-way 12 establishes a spacing shoulder 13 and No. two spacing shoulders 14, upper metal sealing ring 3, top FS type rubber seal 4, bottom FS type metal o-ring 7 and plug 5 are arranged on boll-weevil hanger body 2, lower metal sealing ring 8 is arranged on boll-weevil hanger body 2 by sealing ring backing ring 9 and locking nut 10 screw thread, locking nut 10 is fixed on boll-weevil hanger body 2 by check screw 11, boll-weevil hanger body 2 is arranged on oil pipe four-way 12 inside stably and tightens jackscrew 6, oil pipe four-way 12 is tightened installation oil pipe four-way upper flange 1 and excite boll-weevil hanger metal sealing, sealing ring backing ring 9 just contacts with the spacing shoulder 13 of No. one, oil pipe four-way 12 inner chamber, lower metal sealing ring 8 also contacts with the spacing shoulder 14 of No. two, oil pipe four-way 12 inner chamber, forms dual rigid limit.
During assembling, first on boll-weevil hanger body 2, install top FS type rubber seal 4 and bottom FS type rubber seal 7, then on boll-weevil hanger body 2, lower metal sealing ring 8 is installed successively, sealing ring backing ring 9, locking nut 10 and check screw 11 and plug 5, secondly the boll-weevil hanger assembled be installed to together with oil pipe assembly oil pipe four-way 12 inside stably and tighten jackscrew 6, finally on boll-weevil hanger body 2, top metal o-ring 3 is installed, oil pipe four-way 12 is tightened installation oil pipe four-way upper flange 1 and excite boll-weevil hanger metal sealing.
Claims (1)
1. pair spacing metal sealing boll-weevil hanger, it is characterized in that: it comprises oil pipe four-way upper flange (1), boll-weevil hanger body (2), upper metal o-ring (3), top FS type rubber seal (4), plug (5), jackscrew (6), bottom FS type rubber seal (7), lower metal o-ring (8), sealing ring backing ring (9), locking nut (10), check screw (11) and oil pipe four-way (12), the inner chamber of oil pipe four-way (12) establishes a spacing shoulder (13) and No. two spacing shoulders (14), upper metal sealing ring (3), top FS type rubber seal (4), bottom FS type metal o-ring (7) and plug (5) are arranged on boll-weevil hanger body (2), lower metal sealing ring (8) is arranged on boll-weevil hanger body (2) by sealing ring backing ring (9) and locking nut (10) screw thread, locking nut (10) is fixed on boll-weevil hanger body (2) by check screw (11), boll-weevil hanger body (2) is arranged on oil pipe four-way (12) inside stably and tightens jackscrew (6), oil pipe four-way (12) is tightened installation oil pipe four-way upper flange (1) and excite boll-weevil hanger metal sealing, sealing ring backing ring (9) just contacts with oil pipe four-way (12) inner chamber spacing shoulder (13), lower metal sealing ring (8) also contacts with oil pipe four-way (12) inner chamber No. two spacing shoulders (14), form dual rigid limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487996.3A CN104234657A (en) | 2014-09-23 | 2014-09-23 | Double-limiting metal sealing oil pipe suspender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487996.3A CN104234657A (en) | 2014-09-23 | 2014-09-23 | Double-limiting metal sealing oil pipe suspender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104234657A true CN104234657A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410487996.3A Pending CN104234657A (en) | 2014-09-23 | 2014-09-23 | Double-limiting metal sealing oil pipe suspender |
Country Status (1)
| Country | Link |
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| CN (1) | CN104234657A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108699896A (en) * | 2015-12-01 | 2018-10-23 | 卡梅伦技术有限公司 | Wellhead component with inner sleeve pipe hanger packer |
| CN109403905A (en) * | 2018-12-20 | 2019-03-01 | 江苏金石富源机械有限公司 | A kind of boll-weevil hanger convenient for being used for a long time |
| CN113513284A (en) * | 2021-08-27 | 2021-10-19 | 江苏宏泰石化机械有限公司 | Compact shale gas production wellhead assembly |
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|---|---|---|---|---|
| US4415186A (en) * | 1980-02-19 | 1983-11-15 | Saipem S.P.A. | Flanging system for suspending casting and tubing columns for high pressure oil or gas wells |
| NO980269L (en) * | 1997-03-07 | 1998-09-08 | Vetco Gray Inc Abb | Device for blowout protection |
| CN2559776Y (en) * | 2002-07-12 | 2003-07-09 | 杨立国 | Suspended well head for petroleum pilot production |
| CN2711373Y (en) * | 2004-07-07 | 2005-07-20 | 大庆石油管理局 | Means for holding casing for casing hole-drilling |
| CN201024912Y (en) * | 2007-04-28 | 2008-02-20 | 江苏咸中石油机械有限公司 | Metal sealing oil pipe head |
| CN201027509Y (en) * | 2007-05-11 | 2008-02-27 | 赵春余 | Annulus compression fracture hanger |
| CN201407005Y (en) * | 2009-04-23 | 2010-02-17 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Dual-use wellhead device for steam injection and oil production |
| CN201778735U (en) * | 2010-09-16 | 2011-03-30 | 宝鸡石油机械有限责任公司 | Steel wire rope blanking plug for subsea production tree |
| CN202100220U (en) * | 2011-06-03 | 2012-01-04 | 东北石油大学 | Oil pipe and casing hanger with controllable sealing performance |
| CN202176297U (en) * | 2011-06-16 | 2012-03-28 | 美钻石油钻采系统(上海)有限公司 | Multistage suspension composite type cross joint |
| CN202249804U (en) * | 2011-09-07 | 2012-05-30 | 重庆新泰机械有限责任公司 | Tubing head without well control for dragging operation |
| CN202596624U (en) * | 2011-12-30 | 2012-12-12 | 中国石油天然气股份有限公司 | Casing suspender with metallic sealing and metallic framework type rubber sealing |
| CN202788725U (en) * | 2012-09-21 | 2013-03-13 | 江苏扬标石油机械有限公司 | Metal hard sealing oil tube head |
| CN202900129U (en) * | 2012-10-23 | 2013-04-24 | 中国石油天然气股份有限公司 | Oil field borehole operation wellhead flange |
| CN203050597U (en) * | 2013-01-15 | 2013-07-10 | 宝鸡市赛孚石油机械有限公司 | Suspension device of coiled tubing |
| CN203097772U (en) * | 2012-12-28 | 2013-07-31 | 中国石油天然气股份有限公司 | Ultra-deep well mandrel type sleeve hanging device |
| CN203452759U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | Parallel double-pipe steam injection well mouth device |
| CN204152472U (en) * | 2014-09-23 | 2015-02-11 | 江苏金石科技有限公司 | Two spacing metal sealing boll-weevil hanger |
-
2014
- 2014-09-23 CN CN201410487996.3A patent/CN104234657A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415186A (en) * | 1980-02-19 | 1983-11-15 | Saipem S.P.A. | Flanging system for suspending casting and tubing columns for high pressure oil or gas wells |
| NO980269L (en) * | 1997-03-07 | 1998-09-08 | Vetco Gray Inc Abb | Device for blowout protection |
| CN2559776Y (en) * | 2002-07-12 | 2003-07-09 | 杨立国 | Suspended well head for petroleum pilot production |
| CN2711373Y (en) * | 2004-07-07 | 2005-07-20 | 大庆石油管理局 | Means for holding casing for casing hole-drilling |
| CN201024912Y (en) * | 2007-04-28 | 2008-02-20 | 江苏咸中石油机械有限公司 | Metal sealing oil pipe head |
| CN201027509Y (en) * | 2007-05-11 | 2008-02-27 | 赵春余 | Annulus compression fracture hanger |
| CN201407005Y (en) * | 2009-04-23 | 2010-02-17 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Dual-use wellhead device for steam injection and oil production |
| CN201778735U (en) * | 2010-09-16 | 2011-03-30 | 宝鸡石油机械有限责任公司 | Steel wire rope blanking plug for subsea production tree |
| CN202100220U (en) * | 2011-06-03 | 2012-01-04 | 东北石油大学 | Oil pipe and casing hanger with controllable sealing performance |
| CN202176297U (en) * | 2011-06-16 | 2012-03-28 | 美钻石油钻采系统(上海)有限公司 | Multistage suspension composite type cross joint |
| CN202249804U (en) * | 2011-09-07 | 2012-05-30 | 重庆新泰机械有限责任公司 | Tubing head without well control for dragging operation |
| CN202596624U (en) * | 2011-12-30 | 2012-12-12 | 中国石油天然气股份有限公司 | Casing suspender with metallic sealing and metallic framework type rubber sealing |
| CN202788725U (en) * | 2012-09-21 | 2013-03-13 | 江苏扬标石油机械有限公司 | Metal hard sealing oil tube head |
| CN202900129U (en) * | 2012-10-23 | 2013-04-24 | 中国石油天然气股份有限公司 | Oil field borehole operation wellhead flange |
| CN203097772U (en) * | 2012-12-28 | 2013-07-31 | 中国石油天然气股份有限公司 | Ultra-deep well mandrel type sleeve hanging device |
| CN203050597U (en) * | 2013-01-15 | 2013-07-10 | 宝鸡市赛孚石油机械有限公司 | Suspension device of coiled tubing |
| CN203452759U (en) * | 2013-07-19 | 2014-02-26 | 中国石油天然气股份有限公司 | Parallel double-pipe steam injection well mouth device |
| CN204152472U (en) * | 2014-09-23 | 2015-02-11 | 江苏金石科技有限公司 | Two spacing metal sealing boll-weevil hanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108699896A (en) * | 2015-12-01 | 2018-10-23 | 卡梅伦技术有限公司 | Wellhead component with inner sleeve pipe hanger packer |
| CN109403905A (en) * | 2018-12-20 | 2019-03-01 | 江苏金石富源机械有限公司 | A kind of boll-weevil hanger convenient for being used for a long time |
| CN113513284A (en) * | 2021-08-27 | 2021-10-19 | 江苏宏泰石化机械有限公司 | Compact shale gas production wellhead assembly |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |