CN104879082A - Multi-seat quick-mounting well head device - Google Patents
Multi-seat quick-mounting well head device Download PDFInfo
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- CN104879082A CN104879082A CN201510343478.9A CN201510343478A CN104879082A CN 104879082 A CN104879082 A CN 104879082A CN 201510343478 A CN201510343478 A CN 201510343478A CN 104879082 A CN104879082 A CN 104879082A
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- oil pipe
- hanger
- casing hanger
- type casing
- casing
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Abstract
The invention discloses a multi-seat quick-mounting well head device. The multi-seat quick-mounting well head device comprises an oil pipe body and a base; the base is provided with a surface casing head; a slip type casing hanger is fixedly connected to the bottom of the surface casing head; the surface casing is fixed by use of the slip type casing hanger and sealed by use of a P-type sealing ring; a first core shaft type casing hanger is located on the inner-wall shoulder of the surface casing head; an oil pipe four-way joint is mounted on the surface layer casing, and sealed by use of a sealing backing ring to form an annular cavity; a sealing sleeve is arranged in the oil pipe four-way joint; a second core shaft type casing hanger is fixed by use of the sealing sleeve; the second core shaft type casing hanger is located on the conical surface of the lower part of the sealing sleeve; the core shaft type casing hangers are connected with the oil pipe body and located on the upper part of the sealing sleeve and fixed by use of limiting jackscrew. The multi-seat quick-mounting well head device is capable of mounting the oil casing hanger in place by use of a well head blowout preventer in steps; the blowout preventer does not need to be demounted; the device is compact in structure, and therefore, the mounting space and time can be saved, the cost can be reduced and the production efficiency can be improved.
Description
Technical field
The invention belongs to marine oil and gas exploitation field, relate to the oil well drilling device in marine oil and gas recovery process, be specifically related to a kind of multi-base fast-assembling wellhead apparatus.
Background technology
At present, most popular wellhead assembly is that multilayer superposes wellhead assembly step by step, this traditional wellhead assembly is in drilling process, and often filling one deck all needs to change the preventer of different size and carry out the operation of relevant operation, and dismounting bothers, waste time and energy, inefficiency.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of multi-base fast-assembling wellhead apparatus.
The technical solution adopted in the present invention is: a kind of multi-base fast-assembling wellhead apparatus, comprise oil pipe body and base, base is provided with surface pipe head, is connected with hanging device for slips casing bottom surface pipe head, and surface pipe is fixed by hanging device for slips casing and sealed by P RunddichtringO; 45 degree of shoulders of surface pipe head inwall have been located the first mandrel type casing hanger, surface pipe head is provided with oil pipe four entire body, and seal annular space by metal sealing cushion ring, the inner side of oil pipe four entire body is provided with sealing shroud, the second mandrel type casing hanger is fixed by sealing shroud, second mandrel type casing hanger is seated on 45 degree of conical surfaces of sealing shroud bottom, mandrel type boll-weevil hanger is threaded with oil pipe body, and be seated on 45 degree of conical surfaces on sealing shroud top, and fixed by spacing jackscrew.
Further, the relative position passing through cable of mandrel type boll-weevil hanger is spacing fixing by described spacing jackscrew.
Preferably, between sealing shroud and oil pipe body, adopt S RunddichtringO to seal, and adopt P RunddichtringO to seal between first and second mandrel type casing hanger.
Preferably, the large cylindrical of the one or two mandrel type casing hanger is provided with groove.
Preferably, sealing shroud is fixed by the jackscrew be arranged in oil pipe four entire body.
the invention has the beneficial effects as follows:
1. the present invention makes the gradation of oil jacket pipe hanger energy be in place by wellhead blowout preventor, no longer needs by the proof wellhead oil casing pipe hanger of dismounting wellhead blowout preventor just needed for energy installation work after wellhead assembly body is in place.In whole drilling process, without the need to changing preventer, reducing the operation of preventer, improving the reliability of preventer work.
2. merge tubing and casing body by optimizing, reduce taking up room of tubing and casing body, compact conformation, saves installing space and set-up time, reduces operating cost, improves production efficiency.
3. first and second mandrel type casing hanger of the present invention is provided with mud circulation groove, and mounting sleeve is quick, cements the well convenient and reliable.
4. the present invention is equipped with emergent slips, deals with in sleeve pipe decentralization process and is stuck, and mandrel type hanger seat hangs the situations such as not in place.
5. the present invention is applicable to various sleeve pipe, oil pipe program, and seal form can be selected.
Accompanying drawing explanation
Fig. 1. be structural representation of the present invention.
In figure: 1, base; 2, hanging device for slips casing; 3, surface pipe head; 4, P RunddichtringO; 5, the first mandrel type casing hanger; 6, sealing shroud; 7, injection moulding valve; 8, gasket ring; 9, S RunddichtringO; 10, jackscrew assembly; 11, oil pipe four entire body; 12, the second mandrel type casing hanger; 13, cable is passed through; 14, mandrel type boll-weevil hanger; 15, tubing hanger neck seal; 16, pressing plate; 17, spacing jackscrew.
Detailed description of the invention
A kind of multi-base fast-assembling wellhead apparatus, comprise oil pipe body and base, adopt between base 1 and surface pipe head 3 and be welded to connect, hanging device for slips casing 2 is bolted bottom surface pipe head 3, surface pipe is fixed on wellhead assembly by hanging device for slips casing 2, is sealed by P RunddichtringO 4, first mandrel type casing hanger 5 utilizes special tool to be promoted by screw thread, is seated on 45 degree of shoulders of surface pipe head inwall, be bolted between surface pipe head 3 and oil pipe four entire body 11, seal annular space by metal sealing cushion ring 8, surface pipe head 3 and oil pipe four entire body 11 are separately installed with injection moulding valve 7, sealing shroud 6 is fixed by the jackscrew be arranged in oil pipe four entire body 11, and fix the second mandrel type casing hanger 12 by sealing shroud 6, second mandrel type casing hanger 12 utilizes special tool to be promoted by screw thread, be seated on 45 degree of conical surfaces of the sealing shroud 6 of bottom, first, the large outer perimeter section of two mandrel type casing hangers is all processed with groove, be convenient to the circulation of mud and drilling fluid, mandrel type boll-weevil hanger 14 utilizes the oil pipe body that is threaded, fixed by spacing jackscrew 17, mandrel type boll-weevil hanger 14 is seated on 45 degree of conical surfaces on sealing shroud 6 top, spacing jackscrew 17 guarantees that the relative position passing through cable 13 of mandrel type boll-weevil hanger 14 can not change.Adopt S RunddichtringO 9 to seal between sealing shroud 6 and oil pipe body, and adopt P RunddichtringO 4 to seal between first and second mandrel type casing hanger.Between the top of mandrel type boll-weevil hanger 14 and oil pipe four entire body 11, pressing plate 16 is installed, and is sealed by tubing hanger neck seal.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.
Claims (5)
1. a multi-base fast-assembling wellhead apparatus, comprise oil pipe body and base, it is characterized in that: base (1) is provided with surface pipe head (3), surface pipe head (3) bottom is connected with hanging device for slips casing (2), and surface pipe is fixed by hanging device for slips casing (2) and passed through P RunddichtringO (4) sealing, 45 degree of shoulders of surface pipe head (3) inwall are located the first mandrel type casing hanger (5), surface pipe head (3) is provided with oil pipe four entire body (11), and by gasket ring (8) sealing annular space, the inner side of oil pipe four entire body (11) is provided with sealing shroud (6), the second mandrel type casing hanger (12) is fixed by sealing shroud (6), second mandrel type casing hanger (12) is seated on 45 degree of conical surfaces of sealing shroud (6) bottom, mandrel type boll-weevil hanger (14) is threaded with oil pipe body, and be seated on 45 degree of conical surfaces on sealing shroud (6) top, and fixed by spacing jackscrew (17).
2. a kind of multi-base fast-assembling wellhead apparatus as claimed in claim 1, is characterized in that: the relative position passing through cable (13) of mandrel type boll-weevil hanger (14) is spacing fixing by described spacing jackscrew (17).
3. a kind of multi-base fast-assembling wellhead apparatus as claimed in claim 1 or 2, it is characterized in that: between sealing shroud (6) and oil pipe body, adopt S RunddichtringO to seal (9), P RunddichtringO is adopted to seal (4) with between first and second mandrel type casing hanger (5,12).
4. a kind of multi-base fast-assembling wellhead apparatus as claimed in claim 3, is characterized in that: the large cylindrical of first and second mandrel type casing hanger (5,12) is provided with groove.
5. a kind of multi-base fast-assembling wellhead apparatus as claimed in claim 1, is characterized in that: sealing shroud (6) is fixed by the jackscrew be arranged in oil pipe four entire body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343478.9A CN104879082A (en) | 2015-06-19 | 2015-06-19 | Multi-seat quick-mounting well head device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510343478.9A CN104879082A (en) | 2015-06-19 | 2015-06-19 | Multi-seat quick-mounting well head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104879082A true CN104879082A (en) | 2015-09-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510343478.9A Pending CN104879082A (en) | 2015-06-19 | 2015-06-19 | Multi-seat quick-mounting well head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104879082A (en) |
Cited By (6)
| 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 |
| CN109267956A (en) * | 2018-10-24 | 2019-01-25 | 山东科瑞井控系统制造有限公司 | It is a kind of for shortening the wellhead assembly bottom connecting device of a spudding well activity duration |
| CN109281629A (en) * | 2018-10-29 | 2019-01-29 | 四川宝石机械钻采设备有限责任公司 | A kind of four-in-one body formula wellhead assembly |
| CN109488245A (en) * | 2018-11-08 | 2019-03-19 | 中国海洋石油集团有限公司 | A kind of drilling rod emergency suspension arrangement and method |
| CN111305785A (en) * | 2018-12-12 | 2020-06-19 | 中国石油天然气股份有限公司 | Wellhead sealing device, installation method and system |
| CN112838554A (en) * | 2021-01-15 | 2021-05-25 | 西南石油大学 | Electric submersible pump cable operation wellhead device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131970Y (en) * | 1992-08-08 | 1993-05-05 | 四川石油管理局川西北矿区 | Integrated casinghead and tubinghead |
| US20090114397A1 (en) * | 2004-03-17 | 2009-05-07 | Stinger Wellhead Protection, Inc. | Hybrid wellhead system and method of use |
| CN101509360A (en) * | 2009-03-20 | 2009-08-19 | 江苏金石油气井口科技有限公司 | Multi-base fast-assembling wellhead apparatus |
| CN101644149A (en) * | 2009-08-25 | 2010-02-10 | 中国石油天然气集团公司 | Integral type level oil extraction wellhead equipment |
-
2015
- 2015-06-19 CN CN201510343478.9A patent/CN104879082A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131970Y (en) * | 1992-08-08 | 1993-05-05 | 四川石油管理局川西北矿区 | Integrated casinghead and tubinghead |
| US20090114397A1 (en) * | 2004-03-17 | 2009-05-07 | Stinger Wellhead Protection, Inc. | Hybrid wellhead system and method of use |
| CN101509360A (en) * | 2009-03-20 | 2009-08-19 | 江苏金石油气井口科技有限公司 | Multi-base fast-assembling wellhead apparatus |
| CN101644149A (en) * | 2009-08-25 | 2010-02-10 | 中国石油天然气集团公司 | Integral type level oil extraction wellhead equipment |
Cited By (9)
| 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 |
| CN109267956A (en) * | 2018-10-24 | 2019-01-25 | 山东科瑞井控系统制造有限公司 | It is a kind of for shortening the wellhead assembly bottom connecting device of a spudding well activity duration |
| CN109267956B (en) * | 2018-10-24 | 2024-03-29 | 威飞海洋装备制造有限公司 | Wellhead bottom connecting device for shortening drilling operation time |
| CN109281629A (en) * | 2018-10-29 | 2019-01-29 | 四川宝石机械钻采设备有限责任公司 | A kind of four-in-one body formula wellhead assembly |
| CN109488245A (en) * | 2018-11-08 | 2019-03-19 | 中国海洋石油集团有限公司 | A kind of drilling rod emergency suspension arrangement and method |
| CN111305785A (en) * | 2018-12-12 | 2020-06-19 | 中国石油天然气股份有限公司 | Wellhead sealing device, installation method and system |
| CN111305785B (en) * | 2018-12-12 | 2022-05-10 | 中国石油天然气股份有限公司 | Wellhead sealing device, installation method and system |
| CN112838554A (en) * | 2021-01-15 | 2021-05-25 | 西南石油大学 | Electric submersible pump cable operation wellhead device |
| CN112838554B (en) * | 2021-01-15 | 2022-02-15 | 西南石油大学 | Electric submersible pump cable operation wellhead device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150902 |
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| WD01 | Invention patent application deemed withdrawn after publication |