CN202108443U - Underwater well head placing tool applied to well drilling in ocean deepwater - Google Patents
Underwater well head placing tool applied to well drilling in ocean deepwater Download PDFInfo
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- CN202108443U CN202108443U CN2011201955346U CN201120195534U CN202108443U CN 202108443 U CN202108443 U CN 202108443U CN 2011201955346 U CN2011201955346 U CN 2011201955346U CN 201120195534 U CN201120195534 U CN 201120195534U CN 202108443 U CN202108443 U CN 202108443U
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Abstract
An underwater well head placing tool applied to well drilling in ocean deepwater is used for placing and installing an underwater well head during well drilling in ocean deepwater. Rectangular right hand female threads are provided on an outer wall of a cylinder with a large diameter on a lower part of a mandrel; a drive sleeve is fixed on the mandrel through the right hand threads; a housing is sleeved on the outer wall of the drive sleeve; a push rod is respectively provided in a through hole of the push rod; an inner end part of the push rod is a cone of 45 degrees; the inner end part of the push rod is arranged in a ring groove of the drive sleeve; a locking ring is provided on an outer end of the push rod; an inner end of an anti-rotation screw is inserted into a vertical groove of the drive sleeve; a cover ring is fixed on an upper end of the cylinder in the housing through a bolt; and an indication rod is inserted in the cover ring. The tool is used for placing and installing the underwater well head, has the integral housing, is simple in structure, and safe and reliable.
Description
Technical field
The utility model relates to offshore oil deep water drilling and production technology field.Specifically be exactly a kind ofly to be suitable for the underwater wellhead that ocean deepwater drilling uses and to be lowered to instrument, can surface pipe and surface pipe head and Permanent guide structure (being installed together with the surface pipe head) be lowered to and be installed on the mud line of seabed.
Background technology
Along with offshore oil exploration and exploitation constantly to deep-water developments, adopt traditional platform completion mode to seem that economic effect is poor.So produced the underwater completion mode, be about to production wellhead and production tree and be installed under water on the mud line.This underwater completion mode needs special underwater well head head system, subsea production tree is installed when suspension sleeve and completion when being used for drilling well, and the special matched mounting tool of the installation of underwater wellhead needs.At present, China also is in the technological gap state in this respect.
Summary of the invention
The purpose of the utility model is: provide a kind of ocean deepwater drilling to be lowered to instrument with underwater wellhead, adapt to the ocean deepwater oil drilling, realize being that the oil well mounting shaft is oral under water.
The technical scheme that the utility model adopts is: ocean deepwater drilling is lowered to instrument with underwater wellhead, mainly is made up of axle, indicating arm, indicating arm sealing, bezel ring,, anti-turn bolt, binding ring, push rod, housing, drive socket, anti-turn screw and set bolt.
Axle is hollow ladder cylinder, and there is the drilling tool screw thread at the two ends up and down of axle, can link to each other with drilling rod; It is characterized in that: rectangle dextrorotation internal thread is arranged on the larger-diameter cylindrical outer wall in axle bottom; On axle, be fixed with drive socket through right-handed thread.
Described drive socket is a circular cylinder, and there is rectangle dextrorotation internal thread drive socket inwall lower end, and the dextrorotation internal thread cooperates with axle outer wall dextrorotation external screw thread, and drilling rod drives the axle rotation, and realizes the axial rotation of drive socket through right-handed thread; There is axial vertical slot drive socket outer wall lower end; There is annular groove drive socket outer wall upper end, and the annular groove upper and lower end face on the drive socket outer wall is the inclined-plane; There is the indicating arm screwed hole of a vertical upper face drive socket upper surface; On the outer wall of drive socket, be with housing.
Described housing is two concentric circles tubulars, and dull and stereotyped the connection arranged between inner cylinder and outer cylinder; In housing outer wall upper end radially anti-turn bolt is arranged; Four stepped push rod through holes are arranged on the housing outer wall, and push rod through hole level is passed the flat board between inner cylinder and the outer cylinder, and a push rod is arranged respectively in the push rod through hole; Push rod is the ladder cylinder, and the push rod inner end is 45 ° of cones; The inner end of push rod is in the annular groove of drive socket; In the outer end of push rod and outer wall cannelure, binding ring is arranged at housing; The outer wall of binding ring has the lateral projection tooth; The promotion push rod that moves axially of drive socket radially outward slides; Push rod struts the binding ring that is embedded on the housing outer wall, and the binding ring tooth can mesh with the annular groove on the well head head inwall, and the instrument that will be lowered to is locked at the well head head; There is screw inner cylinder lower end at housing, in screw, is fixed with anti-turn screw, and insert in the vertical slot of drive socket the inner of anti-turn screw; Bottom the inner cylinder lower end of housing and between the axle outer wall joint ring is being arranged; There is bezel ring, upper end at the housing inner cylinder through bolt, and bezel ring, is enclosed within on the axle outer wall; A through hole that is fitted with indicating arm is arranged on bezel ring; The indicating arm screwed hole of through hole and drive socket upper surface is relative; In the indicating arm screwed hole of moving sleeve upper end, be inserted with indicating arm; Indicating arm passes bezel ring,, and indicating arm can show the raised position of drive socket, is used for judging the locking state of binding ring and well head head.
Two water injection holes are arranged on the flat board between the inner cylinder of housing and the outer cylinder, in order in down fashionable water filling in the sleeve pipe, after the water filling completion with this hole of valve closing.
In order to improve sealing, between housing and well head head, sealing ring is arranged; Between bezel ring, and axle, inner seal ring is arranged, between bezel ring, and housing, outer seal ring is arranged; The indicating arm sealing is arranged between indicating arm and bezel ring.
The beneficial effect of the utility model: ocean deepwater drilling is lowered to instrument with underwater wellhead, can adapt to the ocean deepwater oil drilling, uses the installation that is lowered to of the safe and reliable completion underwater wellhead of this cover instrument ability.Adopted integral housing, simple in structure, safe and reliable; The push rod inner end has adopted 45 ° of taper seats, thereby need not consider the rotation of anti-throw-out lever, simplifies the structure, and has improved safety.
Description of drawings
Fig. 1 is that the utility model ocean deepwater drilling is lowered to the structural profile sketch map of instrument in well head head 1 with underwater wellhead.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is drive socket 12 generalized sections.
Figure number explanation: 1-well head head, 2-axle, 3-indicating arm, the sealing of 4-indicating arm, 5-inner seal ring; 6-bezel ring, 7-outer seal ring, 8-anti-turn bolt, 9-binding ring, 10-push rod, 11-housing; The 12-drive socket, 13-anti-turn screw, 14-sealing ring, 15-joint ring, 16-water injection hole; The 17-bolt, 18-indicating arm screwed hole, 19-annular groove, 20-dextrorotation internal thread, 21-vertical slot.
The specific embodiment
Embodiment 1: use underwater wellhead to be lowered to instrument with an ocean deepwater drilling and be example, the utility model is done further explain.
Consult Fig. 1.The utility model ocean deepwater drilling is lowered to instrument with underwater wellhead, mainly is made up of axle 2, indicating arm 3, indicating arm sealing 4, bezel ring, 6, anti-turn bolt 8, binding ring 9, push rod 10, housing 11, drive socket 12, anti-turn screw 13, sealing ring 14, joint ring 15 and set bolt 17.
Consult Fig. 3.Described drive socket 12 is a circular cylinder, and there is rectangle dextrorotation internal thread 20 drive socket 12 inwall lower ends, and the dextrorotation internal thread cooperates with axle 2 outer wall dextrorotation external screw threads.There is axial vertical slot 21 drive socket 12 outer wall lower ends.There is annular groove 19 drive socket 12 outer walls upper end, and annular groove 19 upper and lower end faces on drive socket 12 outer walls are 45 ° of inclined-planes; There is the indicating arm screwed hole 18 of a vertical upper face drive socket 12 upper surfaces.On the outer wall of drive socket 12, be with housing 11.
Consult Fig. 1.The outer wall of housing 11 cooperates with well head head 1 inwall, between housing 11 and well head head 1, two seals circle 14 is arranged.Described housing 11 is two concentric circles tubulars, and dull and stereotyped the connection arranged between inner cylinder and outer cylinder; In housing 11 outer walls upper end radially anti-turn bolt 8 is arranged; On housing 11 outer walls, be evenly distributed with four stepped push rod through holes, push rod through hole level is passed the flat board between inner cylinder and the outer cylinder, and a push rod 10 is arranged respectively in the push rod through hole.Push rod 10 is the ladder cylinder, and push rod 10 inner ends are 45 ° of cones.The inner end of push rod 10 is in the annular groove 19 of drive socket 12; In the outer end of push rod 10 and the outer wall cannelure at housing 11, binding ring 9 is arranged, the outer wall of binding ring 9 has the lateral projection tooth, and the instrument that will be lowered to is locked at the well head head.There is screw inner cylinder lower end at housing 11, in screw, is fixed with anti-turn screw 13, and insert in the vertical slot 21 of drive socket 12 the inner of anti-turn screw 13; Bottom the inner cylinder lower end of housing 11 and between axle 2 outer walls two seals ring 15 is being arranged.Upper end at housing 11 inner cylinders is fixed with bezel ring, 6 through bolt 17, and bezel ring, 6 is enclosed within on axle 2 outer walls, between bezel ring, 6 and axle 2, inner seal ring 5 is arranged, and between bezel ring, 6 and housing 11, outer seal ring 7 is arranged.A through hole that is fitted with indicating arm 3 is arranged on bezel ring, 6; The indicating arm screwed hole 18 of through hole and drive socket 12 upper surfaces is relative; In moving sleeve 12 upper end indicating arm screwed holes 18, be inserted with indicating arm 3, indicating arm 3 passes bezel ring, 6, and indicating arm sealing 4 is arranged between indicating arm 3 and bezel ring, 6.
Consult Fig. 2.Two water injection holes 16 are arranged on the flat board between the inner cylinder of housing 11 and the outer cylinder.
The summary ocean deepwater drilling is lowered to the use of instrument with underwater wellhead.Consult Fig. 1.During original state, turnbarrel 12 upper ends contact with bezel ring, 6, and push rod 3 the inners are positioned at annular groove 19, and binding ring 9 is the nature contraction state.After the instrument that will be lowered to sits on the well head head 1 inwall half the circumference of the sleeve where it joins the shoulder; The axle 2 that turns clockwise, turnbarrel 12 is descending, and annular groove 19 pushed push rods 3 outwards move; Push rod 3 promote binding rings 9 radially open with well head head inwall on corresponding annular groove interlock, the instrument of being lowered to is locked at well head head 1.Connect a post 5 in axle 2 lower ends " in tubing string, with drilling rod mention and lower going-into-well oral 1, during down to the seawater face, in casing string, pump into seawater by water injection hole 16, when treating to fill seawater in the casing string, water injection hole 16 is closed by the valve that is installed on the water injection hole 16.Continue then to be lowered to, when well head head 1 be lowered to put in place and cement the well after, the reverse rotation drilling rod moves on the drive socket 12, the inner annular grooves 19 that get on drive sockets 12 outer walls of push rod 3, binding ring 9 shrinks, and is lowered to the disengaging of instrument and well head head.Trip out the instrument of being lowered to, accomplish setting of casing and casing head operation.
Claims (3)
1. an ocean deepwater drilling is lowered to instrument with underwater wellhead, mainly is made up of axle (2), indicating arm (3), bezel ring, (6), anti-turn bolt (8), binding ring (9), push rod (10), housing (11), drive socket (12), anti-turn screw (13) and set bolt (17); Axle (2) is hollow ladder cylinder, and there is the drilling tool screw thread at the two ends up and down of axle (2), it is characterized in that: on the larger-diameter cylindrical outer wall in axle (2) bottom, rectangle dextrorotation internal thread is arranged; Upward be fixed with drive socket (12) in axle (2) through right-handed thread;
Described drive socket (12) is a circular cylinder, and there is rectangle dextrorotation internal thread (20) drive socket (12) inwall lower end, and the dextrorotation internal thread cooperates with axle (2) outer wall dextrorotation external screw thread, and there is axial vertical slot (21) drive socket (12) outer wall lower end; There is annular groove (19) drive socket (12) outer wall upper end, and annular groove (19) upper and lower end face on drive socket (12) outer wall is the inclined-plane; There is the indicating arm screwed hole (18) of a vertical upper face drive socket (12) upper surface; On the outer wall of drive socket (12), be with housing (11);
Described housing (11) is two concentric circles tubulars, and dull and stereotyped the connection arranged between inner cylinder and outer cylinder; In housing (11) outer wall upper end radially anti-turn bolt (8) is arranged; Four stepped push rod through holes are arranged on housing (11) outer wall, and push rod through hole level is passed the flat board between inner cylinder and the outer cylinder, and a push rod (10) is arranged respectively in the push rod through hole; Push rod (10) is the ladder cylinder, and push rod (10) inner end is 45 ° of cones; The inner end of push rod (10) is in the annular groove (19) of drive socket (12); In the outer end of push rod (10) and binding ring (9) is arranged in the outer wall cannelure of housing (11), the outer wall of binding ring (9) has the lateral projection tooth; There is screw inner cylinder lower end at housing (11), in screw, is fixed with anti-turn screw (13), and insert in the vertical slot (21) of drive socket (12) the inner of anti-turn screw (13); Bottom the inner cylinder lower end of housing (11) and between axle (2) outer wall joint ring (15) is being arranged; Upper end at housing (11) inner cylinder is fixed with bezel ring, (6) through bolt (17), and bezel ring, (6) is enclosed within on axle (2) outer wall; A through hole that is fitted with indicating arm (3) is arranged on bezel ring, (6), and the indicating arm screwed hole (18) of through hole and drive socket (12) upper surface is relative, in moving sleeve (12) upper end indicating arm screwed hole (18), is inserted with indicating arm (3), and indicating arm (3) passes bezel ring, (6).
2. ocean deepwater drilling according to claim 1 is lowered to instrument with underwater wellhead, it is characterized in that: two water injection holes (16) are arranged on the flat board between the inner cylinder of housing (11) and the outer cylinder.
3. ocean deepwater drilling according to claim 1 is lowered to instrument with underwater wellhead, it is characterized in that: between housing (11) and well head head (1), sealing ring (14) is arranged; Between bezel ring, (6) and axle (2), inner seal ring (5) is arranged, between bezel ring, (6) and housing (11), outer seal ring (7) is arranged; Indicating arm sealing (4) is arranged between indicating arm (3) and bezel ring, (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201955346U CN202108443U (en) | 2011-06-10 | 2011-06-10 | Underwater well head placing tool applied to well drilling in ocean deepwater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201955346U CN202108443U (en) | 2011-06-10 | 2011-06-10 | Underwater well head placing tool applied to well drilling in ocean deepwater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202108443U true CN202108443U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201955346U Expired - Lifetime CN202108443U (en) | 2011-06-10 | 2011-06-10 | Underwater well head placing tool applied to well drilling in ocean deepwater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202108443U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452509A (en) * | 2012-11-14 | 2013-12-18 | 中国石油大学(华东) | Wellhead descending tool |
| CN105041215A (en) * | 2015-06-29 | 2015-11-11 | 中国石油大学(华东) | Deepwater drilling guide tube feeding-in tool based on cam mechanism |
| CN105114020A (en) * | 2015-09-01 | 2015-12-02 | 中国石油天然气集团公司 | Tool for lowering and installing submarine equipment |
| CN106761506A (en) * | 2017-03-27 | 2017-05-31 | 中国石油大学(北京) | Boll-weevil hanger promptly reclaims instrument |
| CN106761569A (en) * | 2016-12-29 | 2017-05-31 | 中国石油天然气股份有限公司 | A kind of drilling platforms operation instrument of deepwater drilling conduit |
| CN106894788A (en) * | 2017-03-16 | 2017-06-27 | 中国石油天然气集团公司 | Deepwater drilling drill pipe valve |
| CN108386146A (en) * | 2018-04-27 | 2018-08-10 | 中国石油大学(北京) | Deepwater drilling casing head and annular space sealing device tripping in tool and its application method |
| CN109441394A (en) * | 2018-11-08 | 2019-03-08 | 中国海洋石油集团有限公司 | A kind of low pressure well head is sent into well cementation and continues drilling apparatus |
| CN114458198A (en) * | 2020-11-18 | 2022-05-10 | 中国海洋石油集团有限公司 | Large-size tail pipe hanging and feeding tool and using method thereof |
-
2011
- 2011-06-10 CN CN2011201955346U patent/CN202108443U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452509A (en) * | 2012-11-14 | 2013-12-18 | 中国石油大学(华东) | Wellhead descending tool |
| CN105041215A (en) * | 2015-06-29 | 2015-11-11 | 中国石油大学(华东) | Deepwater drilling guide tube feeding-in tool based on cam mechanism |
| CN105041215B (en) * | 2015-06-29 | 2016-12-14 | 中国石油大学(华东) | A kind of deepwater drilling conduit running tool based on cam mechanism |
| CN105114020A (en) * | 2015-09-01 | 2015-12-02 | 中国石油天然气集团公司 | Tool for lowering and installing submarine equipment |
| CN106761569A (en) * | 2016-12-29 | 2017-05-31 | 中国石油天然气股份有限公司 | A kind of drilling platforms operation instrument of deepwater drilling conduit |
| CN106894788A (en) * | 2017-03-16 | 2017-06-27 | 中国石油天然气集团公司 | Deepwater drilling drill pipe valve |
| CN106761506A (en) * | 2017-03-27 | 2017-05-31 | 中国石油大学(北京) | Boll-weevil hanger promptly reclaims instrument |
| CN108386146A (en) * | 2018-04-27 | 2018-08-10 | 中国石油大学(北京) | Deepwater drilling casing head and annular space sealing device tripping in tool and its application method |
| CN108386146B (en) * | 2018-04-27 | 2024-01-26 | 中国石油大学(北京) | Casing head and annulus sealing device running tool for deep water drilling and use method thereof |
| CN109441394A (en) * | 2018-11-08 | 2019-03-08 | 中国海洋石油集团有限公司 | A kind of low pressure well head is sent into well cementation and continues drilling apparatus |
| CN114458198A (en) * | 2020-11-18 | 2022-05-10 | 中国海洋石油集团有限公司 | Large-size tail pipe hanging and feeding tool and using method thereof |
| CN114458198B (en) * | 2020-11-18 | 2023-09-01 | 中国海洋石油集团有限公司 | Large-size tail pipe hanging and feeding tool and using method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |