CN111810739B - Marine riser for ocean deepwater drilling - Google Patents
Marine riser for ocean deepwater drilling Download PDFInfo
- Publication number
- CN111810739B CN111810739B CN202010656618.9A CN202010656618A CN111810739B CN 111810739 B CN111810739 B CN 111810739B CN 202010656618 A CN202010656618 A CN 202010656618A CN 111810739 B CN111810739 B CN 111810739B
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- CN
- China
- Prior art keywords
- fixing
- wall
- sleeve
- fixing sleeve
- sealing
- 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.)
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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/12—Underwater drilling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Revetment (AREA)
Abstract
The invention discloses a marine deepwater drilling riser, wherein two pipe bodies are coaxially arranged, the outer wall of each pipe body is coated with two fixing pieces, the two fixing pieces are spliced with each other to form a fixing carrier, and a sealing strip is arranged at the contact surface of the two fixing pieces in each fixing carrier; every first fixed cover of threaded connection and the fixed cover of second on the outer wall of fixed carrier pass through bolt fixed connection between first fixed cover and the fixed cover of second, pass through bolt fixed connection between the fixed cover of second on two bodys, form the seal clearance between the inner wall of the fixed cover of second and the outer wall of body, the rubber sleeve is arranged in the seal clearance, and the upper and lower terminal surface of rubber sleeve corresponds and fixed carrier symmetry side end face on two bodys is inconsistent. The invention has the advantages of good sealing effect, simple structure, convenient assembly and disassembly, reliable connection, good stability and good sealing effect, and the rubber sleeve is arranged between the pipe bodies and has good flexibility and bending property.
Description
The technical field is as follows:
the invention relates to a marine riser for deep water drilling.
Background art:
the marine riser is a key device for connecting a subsea blowout preventer and a sea drilling platform, and is a connecting channel from the bottom of the offshore drilling platform to the seabed. The existing marine riser is directly connected through a rigid connector, and the connector is poor in flexibility and bending property and poor in using effect.
The invention content is as follows:
the invention provides a marine deepwater drilling riser for solving the problems in the prior art.
The technical scheme adopted by the invention is as follows: a marine deepwater drilling riser comprises pipe bodies, fixing pieces, a first fixing sleeve, a second fixing sleeve, a rubber sleeve and sealing strips, wherein the two pipe bodies are coaxially arranged, the outer wall of each pipe body is coated with the two fixing pieces, the two fixing pieces are mutually spliced to form a fixing carrier, and the sealing strips are arranged at the contact surfaces of the two fixing pieces in each fixing carrier; every first fixed cover of threaded connection and the fixed cover of second on the outer wall of fixed carrier pass through bolt fixed connection between first fixed cover and the fixed cover of second, pass through bolt fixed connection between the fixed cover of second on two bodys, form the seal clearance between the inner wall of the fixed cover of second and the outer wall of body, the rubber sleeve is arranged in the seal clearance, and the upper and lower terminal surface of rubber sleeve corresponds and fixed carrier symmetry side end face on two bodys is inconsistent.
Furthermore, the fixed plate is of an arc plate structure, sealing grooves are formed in the end faces of the two sides of the fixed plate, and the sealing strips are arranged in the sealing grooves.
Furthermore, the inner wall of the fixing piece is provided with a limiting boss, and the outer wall of the tube body is provided with a limiting groove matched with the limiting boss.
Furthermore, the outer wall of the fixing piece is provided with external threads, and the inner walls of the first fixing sleeve and the second fixing sleeve are provided with internal threads.
Furthermore, the bottom of the first fixed sleeve is provided with a flange face, the top and the bottom of the second fixed sleeve are both provided with a flange face, the first fixed sleeve and the second fixed sleeve are correspondingly fixedly connected through the flange faces, and the joint of the corresponding flange faces is provided with a sealing ring.
Furthermore, sealing rings are arranged between the first fixing sleeve and the fixing plate and between the second fixing sleeve and the fixing plate.
The invention has the following beneficial effects:
the invention has the advantages of good sealing effect, simple structure, convenient assembly and disassembly, reliable connection, good stability and good sealing effect, and the rubber sleeve is arranged between the pipe bodies and has good flexibility and bending property.
Description of the drawings:
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a view showing the construction of the fixing sheet of the present invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 and 2, the marine deepwater drilling riser of the present invention comprises a pipe body 1, fixing pieces 2, a first fixing sleeve 31, a second fixing sleeve 32, a rubber sleeve 4 and a sealing strip, wherein the two pipe bodies 1 are coaxially arranged, the outer wall of each pipe body 1 is coated with two fixing pieces 2, the two fixing pieces 2 are mutually spliced to form a fixing carrier, and the sealing strip is arranged at the contact surface of the two fixing pieces 2 in each fixing carrier.
The outer wall of each fixed carrier is in threaded connection with a first fixed sleeve 31 and a second fixed sleeve 32, the first fixed sleeve 31 is fixedly connected with the second fixed sleeve 32 through bolts, the second fixed sleeves 32 on the two pipe bodies 1 are fixedly connected with each other through bolts, a sealing gap is formed between the inner wall of the second fixed sleeve 32 and the outer wall of the pipe body 1, the rubber sleeve 4 is arranged in the sealing gap, and the upper end face and the lower end face of the rubber sleeve 4 are correspondingly abutted to the symmetrical side end faces of the fixed carriers on the two pipe bodies 1.
The fixing piece 2 is in an arc piece structure, and sealing grooves are formed in the end faces of two sides of the fixing piece 2 for facilitating installation of sealing strips, and the sealing strips are arranged in the sealing grooves.
In order to ensure the connection reliability between the pipe body 1 and the fixing plate 2, the inner wall of the fixing plate 2 is provided with a limiting boss 21, and the outer wall of the pipe body 1 is provided with a limiting groove 11 matched with the limiting boss 21.
External threads are provided on the outer wall of the fixing plate 2, and internal threads are provided on the inner walls of the first and second fixing sleeves 31 and 32.
In order to facilitate the fixed connection between the first fixing sleeve 31 and the second fixing sleeve 32, a flange surface 30 is provided at the bottom end of the first fixing sleeve 31, a flange surface 30 is provided at both the top end and the bottom end of the second fixing sleeve 32, and the first fixing sleeve 31 and the second fixing sleeve 32, and the second fixing sleeve 32 are correspondingly and fixedly connected through the flange surfaces.
In order to further ensure the sealing performance of the invention, a sealing ring is arranged at the joint of the corresponding flange surfaces. Sealing rings are arranged between the first fixing sleeve 31 and the fixing plate 2 and between the second fixing sleeve 32 and the fixing plate 2.
The pipe body sealing device has the advantages of good sealing effect, simple structure, convenience in assembly and disassembly, reliability in connection, good stability and good sealing effect, and the rubber sleeve 4 is arranged between the pipe bodies 1, so that the flexibility and the bending property of the rubber sleeve 4 are good.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.
Claims (1)
1. The utility model provides an ocean deep water drilling riser pipe which characterized in that: the sealing device comprises pipe bodies (1), fixing pieces (2), a first fixing sleeve (31), a second fixing sleeve (32), a rubber sleeve (4) and sealing strips, wherein the two pipe bodies (1) are coaxially arranged, the outer wall of each pipe body (1) is coated with the two fixing pieces (2), the two fixing pieces (2) are mutually spliced to form a fixing carrier, and the sealing strips are arranged at the contact surfaces of the two fixing pieces (2) in each fixing carrier; a first fixing sleeve (31) and a second fixing sleeve (32) are in threaded connection with the outer wall of each fixing carrier, the first fixing sleeve (31) is fixedly connected with the second fixing sleeve (32) through bolts, the second fixing sleeves (32) on the two pipe bodies (1) are fixedly connected with each other through bolts, a sealing gap is formed between the inner wall of each second fixing sleeve (32) and the outer wall of each pipe body (1), the rubber sleeve (4) is arranged in the sealing gap, and the upper end face and the lower end face of each rubber sleeve (4) are correspondingly abutted to the end face of the symmetrical side of the fixing carrier on the two pipe bodies (1);
the fixing piece (2) is of an arc piece structure, sealing grooves are formed in the end faces of two sides of the fixing piece (2), and the sealing strips are arranged in the sealing grooves;
a limiting boss (21) is arranged on the inner wall of the fixing piece (2), and a limiting groove (11) matched with the limiting boss (21) is arranged on the outer wall of the pipe body (1);
the outer wall of the fixing piece (2) is provided with external threads, and the inner walls of the first fixing sleeve (31) and the second fixing sleeve (32) are provided with internal threads;
the bottom end of the first fixing sleeve (31) is provided with a flange surface (30), the top end and the bottom end of the second fixing sleeve (32) are respectively provided with a flange surface (30), the first fixing sleeve (31) and the second fixing sleeve (32) are correspondingly and fixedly connected through the flange surfaces, and the joint of the corresponding flange surfaces is provided with a sealing ring;
sealing rings are arranged between the first fixing sleeve (31) and the fixing sheet (2) and between the second fixing sleeve (32) and the fixing sheet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656618.9A CN111810739B (en) | 2020-07-09 | 2020-07-09 | Marine riser for ocean deepwater drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010656618.9A CN111810739B (en) | 2020-07-09 | 2020-07-09 | Marine riser for ocean deepwater drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111810739A CN111810739A (en) | 2020-10-23 |
| CN111810739B true CN111810739B (en) | 2021-10-01 |
Family
ID=72842238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010656618.9A Active CN111810739B (en) | 2020-07-09 | 2020-07-09 | Marine riser for ocean deepwater drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111810739B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116291244B (en) * | 2023-05-25 | 2024-03-22 | 青岛滨海勘察测绘有限公司 | Marine deepwater drilling riser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201487432U (en) * | 2009-08-03 | 2010-05-26 | 江阴方圆环锻法兰有限公司 | Non-threaded non-welded flange |
| CN103270357A (en) * | 2011-01-13 | 2013-08-28 | 小林一三 | Connecting structure for pressure piping |
| JP2016205566A (en) * | 2015-04-27 | 2016-12-08 | 株式会社モリタ環境テック | Non-welded flange pipe joint |
| CN209278677U (en) * | 2018-12-12 | 2019-08-20 | 山东龙盛食品股份有限公司 | A kind of universal mill air flue sealing device |
| CN209604715U (en) * | 2019-03-12 | 2019-11-08 | 李靖 | A kind of natural gas line pipeline sealing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH689169A5 (en) * | 1994-12-14 | 1998-11-13 | Hinni Ag | Height adjustable hydrant. |
| CN201265365Y (en) * | 2008-07-31 | 2009-07-01 | 宝鸡石油机械有限责任公司 | Well drilling water-resistant pipe connector suitable for deep water operation |
| CN201778669U (en) * | 2010-07-19 | 2011-03-30 | 宝鸡石油机械有限责任公司 | Locking piece connecting type marine riser device |
| CN102146772B (en) * | 2011-02-15 | 2013-04-17 | 宝鸡石油机械有限责任公司 | Rotary locking piece type drilling riser connector |
| CN105164362B (en) * | 2013-05-03 | 2018-10-02 | 石油工业（英国）有限公司 | Plum forests drilling water-separation pipe sub-assembly |
| CN208347711U (en) * | 2018-06-21 | 2019-01-08 | 王富波 | A kind of waterproof casing connector |
-
2020
- 2020-07-09 CN CN202010656618.9A patent/CN111810739B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201487432U (en) * | 2009-08-03 | 2010-05-26 | 江阴方圆环锻法兰有限公司 | Non-threaded non-welded flange |
| CN103270357A (en) * | 2011-01-13 | 2013-08-28 | 小林一三 | Connecting structure for pressure piping |
| JP2016205566A (en) * | 2015-04-27 | 2016-12-08 | 株式会社モリタ環境テック | Non-welded flange pipe joint |
| CN209278677U (en) * | 2018-12-12 | 2019-08-20 | 山东龙盛食品股份有限公司 | A kind of universal mill air flue sealing device |
| CN209604715U (en) * | 2019-03-12 | 2019-11-08 | 李靖 | A kind of natural gas line pipeline sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111810739A (en) | 2020-10-23 |
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