CN202520265U - Gas production well head device with metallic seals - Google Patents
Gas production well head device with metallic seals Download PDFInfo
- Publication number
- CN202520265U CN202520265U CN2011205444528U CN201120544452U CN202520265U CN 202520265 U CN202520265 U CN 202520265U CN 2011205444528 U CN2011205444528 U CN 2011205444528U CN 201120544452 U CN201120544452 U CN 201120544452U CN 202520265 U CN202520265 U CN 202520265U
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- China
- Prior art keywords
- casing
- hanger
- sealing
- metallic
- valve
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- Expired - Fee Related
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Abstract
The utility model provides a gas production well head device with metallic seals, which consists of a casing head part, a tubing head part and a Christmas tree part, wherein the casing head part comprises a casing head body, a casing hanger, metallic seals above the casing hanger and metallic seals below the casing hanger; the tubing head part comprises a tubing head body, a tubing hanger, metallic seals above the tubing hanger and metallic seals below the tubing hanger; and the Christmas tree part consists of a small four-way joint, an upper main valve, a lower main valve, a throttle valve and a screw thread flange. A metallic backing ring sealing form of the casing hanger is adopted, the sealing between metallic backing rings plus a casing head and the casing hanger is reinforced through the dead weight of a casing, a sealing effect is achieved during secondary sealing of the casing by adopting metallic sealing ring combinations, clearances among the sealing ring combinations are shrunk through the fastening of flange bolts so as to extrude the sealing casing, and the aim of seat sealing of the hangers is achieved through extruding metallic sealing rings.
Description
Technical field
The utility model relates to the oil and gas wellhead field of sealing technology of oilfield machinery, particularly relates to a kind of metallic seal gas wellhead equipment.
Background technology
At present, the sealing of oilfield machinery oil and gas wellhead, widely used is not only big but also heavy well head blowout preventer; Top is equipped with to shut down and could be continued the packing box that adds packing, and oil well is after long-term the use, and oil pumper or well head basis are owing to take place uneven; Cause well head or oil pumper basic slope and skew to be directed at sucker rod partial wear and make well head seal failure leakage of oil, oil-spraying possibly take place in untimely discovery; At this moment need shut down and add sealed packing again; But existing techniques provides a kind of oil well sealer of aligning, could continue the problem of adding or changing new packing though solve must to shut down at present, under stopped status not, can continue to add to seal and use filler; The well head blowout preventer that has used when having cancelled the not only big but also heavy well workover of well head; Solved the sucker rod of oil pumper and the eccentric wear problem that the well head decentraction produces within the specific limits, but labour intensity is big, environment is dirty, also can cause the minimizing of output.
Summary of the invention
The order of the utility model is exactly in order to overcome above-mentioned deficiency of the prior art; A kind of casing hanger metal gasket ring seal form is provided; Through the sealing between sleeve pipe deadweight reinforcement metal gasket ring and casing head and the hanger, the extruding of employing metallic packing ring reaches the metallic seal gas wellhead equipment of an envelope hanger.
The utility model solves its problem and can reach through following technical scheme:
A kind of metallic seal gas wellhead equipment is characterized in that: described device is by the casing head part, and tubing head part and production tree are partly formed.Casing head partly comprises on casing head body, casing hanger, the casing hanger metallic seal and double-vane single valve under the metallic seal and casing hanger; Metallic seal is assemblied in the bottom of casing hanger and realizes under the effect of jackscrew and itself and casing head body middle part formation inner and outer sealing that metallic seal is assemblied in the neck of casing hanger and forms inner and outer sealing with itself and tubing head body bottom on the casing hanger under the casing hanger.Casing head body both sides are double-vane single valves, and are connected with bolt through standard gasket ring sealing between the double-vane single valve.Tubing head partly comprises on tubing head body, boll-weevil hanger, the boll-weevil hanger metallic seal and valve double-vane single valve under the metallic seal and boll-weevil hanger, and metallic seal is assemblied in the bottom of boll-weevil hanger and under the effect of jackscrew, realizes forming inner and outer sealing with itself and tubing head body middle part under the boll-weevil hanger.Metallic seal is assemblied in the neck upper end of boll-weevil hanger and forms sealing with itself and upper flange bottom on the casing hanger.Tubing head body both sides are double-vane single valves, and are connected with bolt through standard gasket ring sealing between the double-vane single valve.Right terminal stop valve and the pressure meter of connecting.Production tree partly comprises little four-way, goes up main valve, main valve, single-blade single valve, choke valve and screw thread flange are formed down, and last main valve, main valve is positioned at the upper and lower part of little four-way down, is connected with bolt with sealing through the standard gasket ring between the little four-way.One side of little four-way is installed single-blade single valve and choke valve, is connected terminal thread flange and plug with bolt with sealing through the standard gasket ring between single-blade single valve and the choke valve.
The usefulness of the utility model is:
A kind of metallic seal gas wellhead equipment; Adopt casing hanger metal gasket ring seal form; Through the sealing between sleeve pipe deadweight reinforcement metal gasket ring and casing head and the hanger; The secondary seal of sleeve pipe adopts the metallic packing ring combination to reach sealing effectiveness, comes the gap of collapsed seal ring group to reach the crush seal sleeve pipe through the fastening of flange bolt; Boll-weevil hanger adopts conical ring to seal, and strengthens the sealing between conical ring and casing head and the hanger through the oil pipe deadweight; The sealing of mesopore steel ring is adopted in sealing between lengthening hanger neck and the upper flange, and the extruding through metallic packing ring reaches a purpose of envelope hanger.Advantages such as that product has is easy for installation, safe and reliable, sealing performance is superior, wear-resisting anticorrosive, long service life.
Description of drawings
Fig. 1 is the structure sectional view of the utility model;
Fig. 2 is a shape metallic leak-proof structure sectional view under the casing hanger of the utility model;
Fig. 3 is a shape metallic leak-proof structure sectional view on the casing hanger of the utility model;
Fig. 4 is a shape metallic leak-proof structure sectional view under the boll-weevil hanger of the utility model;
Fig. 5 is a shape metallic leak-proof structure sectional view on the boll-weevil hanger of the utility model.
At Fig. 1; Fig. 2; Fig. 3; Fig. 4; Among Fig. 5: 1. oil pipe; 2. protective casing; 3. surface pipe; 4. casing head body; 5. assembly cap; 6.O type circle; 7. casing hanger; 8. jackscrew; 9. pressure release plug screw; 10. tubing head body; 11. pressure meter; 12. stop valve; 13. jackscrew; 14. boll-weevil hanger; 15 grease pouring valves; 16. upper flange; 17. choke valve; 18. little four-way; 19. last main valve .19-1; Main valve under the single-blade single valve .19-2; 19-3; 19-4. double-vane single valve; 19-5; 19-6. double-vane single valve; 20. screw thread flange; 21. plug; 22.23.24. metallic seal under the casing hanger; 25.26.27.28. metallic seal on the casing hanger; 29.30.31. metallic seal under the boll-weevil hanger; 32.33. metallic seal on the boll-weevil hanger.
Specific embodiments
Below in conjunction with Figure of description, the utility model is explained further details:
The metallic seal gas wellhead equipment is characterized in that: described device is by the casing head part, and tubing head part and production tree are partly formed.Casing head partly comprises on casing head body 4, casing hanger 7, the casing hanger metallic seal 22,23,24 and double-vane single valve 19-5 under the metallic seal 25,26,27,28 and casing hanger, 19-6, and metallic seal 22,23,24 is assemblied in the bottom of casing hanger 7 and under the effect of jackscrew 8, realizes forming inner and outer sealing with itself and casing head body 4 middle parts under the casing hanger. Metallic seal 25,26,27,28 is assemblied in the neck of casing hanger 7 and forms inner and outer sealing with itself and tubing head body 10 bottoms on the casing hanger; Casing head body 10 both sides are double-vane single valve 19-5,19-6, and are connected with bolt through standard gasket ring sealing between double-vane single valve 19-5, the 19-6.Tubing head partly comprises on tubing head body 10, boll-weevil hanger 14, the boll-weevil hanger metallic seal 29,30,31 and double-vane single valve 19-3 under the metallic seal 32,33 and boll-weevil hanger, 19-4, and metallic seal 29,30,31 is assemblied in the bottom of boll-weevil hanger 14 and under the effect of jackscrew 13, realizes forming inner and outer sealing with itself and tubing head body 10 middle parts under the boll-weevil hanger.Metallic seal 32,33 is assemblied in the neck upper end of boll-weevil hanger 14 and forms sealing with itself and upper flange 16 bottoms on the boll-weevil hanger.Tubing head body 10 both sides are double-vane single valve 19-3,19-4, and are connected with bolt through standard gasket ring sealing between double-vane single valve 19-3, the 19-4.Right terminal stop valve 12 and the pressure meter 11 of connecting; Production tree partly comprises little four-way 18, goes up main valve 19, main valve 19-2, single-blade single valve 19-1, choke valve 17 and screw thread flange 20 are formed down; Last main valve 19, main valve 19-2 is positioned at the upper and lower part of little four-way 18 down, is connected with bolt with sealing through the standard gasket ring between the little four-way 18.One side of little four-way 18 is installed single-blade single valve 19-1 and choke valve 17, and is connected terminal thread flange 20 and plug 21 between single-blade single valve 19-1 and the choke valve 17 with bolt through the sealing of standard gasket ring.
Claims (1)
1. metallic seal gas wellhead equipment; Comprise on casing head body (4), casing hanger (7), the casing hanger on metallic seal (22,23,24) and double-vane single valve (19-5,19-6) under the metallic seal (25,26,27,28) and casing hanger, tubing head body (10), boll-weevil hanger (14), the boll-weevil hanger metallic seal (29,30,31) and double-vane single valve (19-3,19-4), little four-way (18) under the metallic seal (32,33) and boll-weevil hanger, go up main valve (19), main valve (19-2), single-blade single valve (19-1), choke valve (17) and screw thread flange (20) down; It is characterized in that metallic seal under the described casing hanger (22,23,24) is assemblied in the bottom of casing hanger (7); Metallic seal on the casing hanger (25,26,27,28) is assemblied in the neck of casing hanger (7); Casing head body (10) both sides are double-vane single valve (19-5,19-6); Be connected through bolt between the double-vane single valve (19-5,19-6); Metallic seal under the boll-weevil hanger (29,30,31) is assemblied in the bottom of boll-weevil hanger (14); Metallic seal on the boll-weevil hanger (32,33) is assemblied in the neck upper end of boll-weevil hanger (14); Tubing head body (10) both sides are double-vane single valve (19-3,19-4); Be connected through bolt between the double-vane single valve (19-3,19-4), right terminal stop valve (12) and the pressure meter (11) of connecting, last main valve (19), time main valve (19-2) are positioned at the upper and lower part of little four-way (18); Be connected through bolt between the little four-way (18); One side of little four-way (18) is installed single-blade single valve (19-1) and choke valve (17), and is connected terminal thread flange (20) and plug (21) between single-blade single valve (19-1) and the choke valve (17) through bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205444528U CN202520265U (en) | 2011-12-20 | 2011-12-20 | Gas production well head device with metallic seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205444528U CN202520265U (en) | 2011-12-20 | 2011-12-20 | Gas production well head device with metallic seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202520265U true CN202520265U (en) | 2012-11-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205444528U Expired - Fee Related CN202520265U (en) | 2011-12-20 | 2011-12-20 | Gas production well head device with metallic seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202520265U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089188A (en) * | 2012-12-26 | 2013-05-08 | 江苏宏泰石化机械有限公司 | Fracturing-extraction well head device with combined sealing, directional separation and abrasion resistance |
| CN103089187A (en) * | 2012-12-26 | 2013-05-08 | 江苏宏泰石化机械有限公司 | Well head device with combined sealing, double-tube gas injection and remote control |
| CN103670289A (en) * | 2013-12-08 | 2014-03-26 | 无锡蚂蚁微威科技有限公司 | Oil well pipeline |
| CN104675357A (en) * | 2013-12-02 | 2015-06-03 | 中国石油化工股份有限公司 | Simple wellhead device and application method thereof |
| CN104847294A (en) * | 2015-05-13 | 2015-08-19 | 宝鸡瑞林石油机电设备有限责任公司 | Electric submersible pump well head equipment of multilateral well and mounting method for electric submersible pump well head equipment of multilateral well |
| 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 |
| CN110469284A (en) * | 2018-05-10 | 2019-11-19 | 中国石油天然气股份有限公司 | Dual tubing wellhead |
| CN110656908A (en) * | 2019-10-08 | 2020-01-07 | 中国石油集团渤海石油装备制造有限公司 | All-metal sealed double-pipe steam injection wellhead device for inclined shaft |
| CN111058785A (en) * | 2019-12-20 | 2020-04-24 | 宝鸡石油机械有限责任公司 | Adjustable connecting device suitable for manifold connection |
| CN112031695A (en) * | 2020-11-05 | 2020-12-04 | 胜利油田胜机石油装备有限公司 | Gas production wellhead device and gas production well |
| CN112647885A (en) * | 2020-12-31 | 2021-04-13 | 江苏信得石油机械股份有限公司 | Casing head for preventing leakage of oil field well mouth |
-
2011
- 2011-12-20 CN CN2011205444528U patent/CN202520265U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089188A (en) * | 2012-12-26 | 2013-05-08 | 江苏宏泰石化机械有限公司 | Fracturing-extraction well head device with combined sealing, directional separation and abrasion resistance |
| CN103089187A (en) * | 2012-12-26 | 2013-05-08 | 江苏宏泰石化机械有限公司 | Well head device with combined sealing, double-tube gas injection and remote control |
| CN104675357A (en) * | 2013-12-02 | 2015-06-03 | 中国石油化工股份有限公司 | Simple wellhead device and application method thereof |
| CN104675357B (en) * | 2013-12-02 | 2017-05-24 | 中国石油化工股份有限公司 | Simple wellhead device and application method thereof |
| CN103670289A (en) * | 2013-12-08 | 2014-03-26 | 无锡蚂蚁微威科技有限公司 | Oil well pipeline |
| CN104847294A (en) * | 2015-05-13 | 2015-08-19 | 宝鸡瑞林石油机电设备有限责任公司 | Electric submersible pump well head equipment of multilateral well and mounting method for electric submersible pump well head equipment of multilateral well |
| CN104847294B (en) * | 2015-05-13 | 2018-09-25 | 宝鸡瑞林石油机电设备有限责任公司 | Multilateral Wells electric submersible pump device for well heads |
| CN110469284A (en) * | 2018-05-10 | 2019-11-19 | 中国石油天然气股份有限公司 | Dual tubing wellhead |
| 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 |
| CN110656908A (en) * | 2019-10-08 | 2020-01-07 | 中国石油集团渤海石油装备制造有限公司 | All-metal sealed double-pipe steam injection wellhead device for inclined shaft |
| CN111058785A (en) * | 2019-12-20 | 2020-04-24 | 宝鸡石油机械有限责任公司 | Adjustable connecting device suitable for manifold connection |
| CN111058785B (en) * | 2019-12-20 | 2021-12-14 | 宝鸡石油机械有限责任公司 | Adjustable connecting device suitable for manifold connection |
| CN112031695A (en) * | 2020-11-05 | 2020-12-04 | 胜利油田胜机石油装备有限公司 | Gas production wellhead device and gas production well |
| CN112031695B (en) * | 2020-11-05 | 2021-01-08 | 胜利油田胜机石油装备有限公司 | Gas production wellhead device and gas production well |
| CN112647885A (en) * | 2020-12-31 | 2021-04-13 | 江苏信得石油机械股份有限公司 | Casing head for preventing leakage of oil field well mouth |
| CN112647885B (en) * | 2020-12-31 | 2022-07-15 | 江苏信得石油机械股份有限公司 | Casing head for preventing leakage of oil field well head |
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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: 20121107 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |