CN201354590Y - Marine riser device for ocean deepwater drilling - Google Patents
Marine riser device for ocean deepwater drilling Download PDFInfo
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- CN201354590Y CN201354590Y CNU2008200298792U CN200820029879U CN201354590Y CN 201354590 Y CN201354590 Y CN 201354590Y CN U2008200298792 U CNU2008200298792 U CN U2008200298792U CN 200820029879 U CN200820029879 U CN 200820029879U CN 201354590 Y CN201354590 Y CN 201354590Y
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- auxiliary line
- lower flange
- drilling
- marine riser
- marine
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Abstract
The utility model belongs to a marine riser device for the ocean deepwater drilling, which belongs to the oil drilling equipment. The marine riser device is characterized in that a marine riser string is formed by a plurality of single marine risers connected from top to bottom, and combined and connected with other components to form a complete system for the application, wherein each single marine riser is provided with a main riser body, an upper flange and a lower flange are fixed at both ends of the main riser body respectively, auxiliary pipeline joints are installed on the upper and lower flanges, and auxiliary pipeline mounting supports are arranged outside the main riser body. The utility model has the advantages of convenient connection, self-contained single component, good performance in pulling and bending resistance and sealing, strong bearing capacity of the design, reliable connection, perfect technological property in manufacturing, good adaptability to drilling operations under the conditions of various sea areas and states as well as deep water and ultra deep water, and better overall economy and good practicality.
Description
Technical field
The utility model belongs to the offshore oil drilling technical field, a kind of specifically main equipment that can satisfy in deep water floating offshore drill, workover platform (or ship) the usefulness Offshore Drilling Riser system.During work, riser system is to connect to form a pipe string up and down by the parts of a plurality of same units (or claiming that marine riser is single), and forms a system behind other parts of supporting connection and use together.
Background technology
For many years, China especially can adapt to the marine riser technology that deepwater work condition and floating oil gas drilling and producing platform use and also be in space state always aspect the design of ocean drilling marine riser, manufacturing technology.Riser system is the main body of Offshore Drilling Riser system, has when implement being communicated with platform with ocean floor drilling preventer, drilling well annular space mud circulation, drilling tool and rises in tubing string and put that guiding, each auxiliary line are connected and fixed, underwater installation lifts by crane multiple uses such as transferring installation.At present, (supporting at fixed or self-elevating drilling platform) uses in the shallow sea that a kind of waterproof casing is arranged in China, simple functions such as insulating sea water are only arranged, the maximum adaptation depth condition has only tens meters, and it is simple in structure, latus rectum is little, do not possess big stretch-proof, instructions for use such as counter-bending, can not adapt to environment service conditions such as deep-water pressure load and opposing oceanic winds, wave, stream, and this generally speaking waterproof casing is disposable use (only satisfying the drilling needs of a bite well), can not reuse continuously, waste more serious.The utility model is at ocean deepwater technical field development and Design, the riser system agent structure adopts Trunk Line to add auxiliary line form of structure, joint (connector) adopts form of flanges, satisfies condition working environment drillng operations such as ocean deepwater, super deep water fully.
Summary of the invention
The purpose of this utility model is a kind of ocean of design drilling water-separation pipe device, to satisfy the needs of marine drilling.
Technical scheme: the ocean deepwater drilling riser system is to connect to form a pipe string by a plurality of single marine risers are upper and lower, and forms a complete system behind other parts of supporting connection and use; Single marine riser has the main pipe, is fixed with upper flange and lower flange respectively at the main pipe two ends, and each auxiliary line joint is installed on upper flange and lower flange, disposes the auxiliary line mounting bracket outside the main pipe.
Weld between main pipe and the upper and lower flange; Each auxiliary line and welding between the auxiliary line joint separately.
Upper and lower flange can adopt seal cartridge to add twice or multiple-sealed form seals.
Each auxiliary line is distributed with corresponding via hole on upper and lower flange, connecting bolt, nut also are being distributed on the upper and lower flange on the reference circle.
Described auxiliary line comprises: 2 throttling/kill lines, 2 hydraulic lines, 1 or 2 mud supercharging pipelines, and all fix with the auxiliary line mounting bracket.
The utility model has the advantages that: riser system is easy to connect, single parts are comprehensive, tension, bending resistance, good seal performance, the design supporting capacity is strong, connect reliable, manufacturing process is good, can adapt to the drillng operation under the conditions such as various marine sites, sea situation and deep water, super deep water well, have macroeconomic performance and good Practical Performance preferably.
The utility model is adapted to the Offshore Drilling Riser device of deep water, super deepwater environment and job requirements.During work, riser system is to connect to form a pipe string up and down by a plurality of marine risers are single, and forms a system that finishes behind other parts of supporting connection and work together.The Offshore Drilling Riser system provides one to be communicated with the passage between the blowout preventer set and platform (or hull) under water for the marine drilling operation, and annular space mud circulation, drilling tool rise in tubing string and put that guiding, each auxiliary line are connected and fixed, underwater installation lifts by crane multiple uses such as transferring installation when having the platform of connection with ocean floor drilling preventer, drilling well.
Description of drawings
Fig. 1 is single marine riser structural representation.
Fig. 2 be among Fig. 1 A-A to view.
Fig. 3 is single marine riser sectional structure schematic diagram
Fig. 4 be among Fig. 3 B-B to view.
The serve as reasons ocean drilling water-separation pipe device of the many single compositions of marine riser of Fig. 5.
The specific embodiment
What showed as Fig. 1,2,3 is a single structure in drilling water-separation pipe device and the drilling water-separation pipe device.Specifically, the Offshore Drilling Riser device is formed by the marine riser of a plurality of same structures is single, and each marine riser is single to be made up of component such as lower flange 1, bolt 2, hydraulic line 3, main pipe 4, auxiliary line mounting bracket 5, throttling/kill line 6, upper flange 7, mud supercharging pipeline 8, seal cartridge 9, nuts 10.A plurality of single marine risers are upper and lower to connect to form a pipe string, and forms a complete system behind other parts of supporting connection and use; Single marine riser is fixed with upper flange 7 and lower flange 1 respectively at main pipe 4 two ends, each auxiliary line joint is installed on upper flange 7 and lower flange 1, disposes auxiliary line mounting bracket 5 outside main pipe 4.
The utility model Offshore Drilling Riser device design scheme adopts main pipe 4 to add 3,1 or 2 mud supercharging pipelines 8 of 6,2 hydraulic lines of 2 throttling/kill lines, a plurality of auxiliary line mounting bracket 5 and upper and lower flange (7,1) and is with 6 connecting bolts, nut (2,10) and 1 component such as joint sealing lining 9 composition.Concrete arrangement form is: each auxiliary line is distributed with corresponding via hole on upper and lower flange (7,1), connecting bolt 2, nut 10 also are distributed on the reference circle on upper and lower flange (7,1).Riser system is when being communicated with work, and main pipe 4 inside are full of mud, work drilling tool also at main pipe's 4 internal works simultaneously, adopts inner mud of seal cartridge 9 seal isolation and outside seawater between upper and lower flange (7, the 1) joint between single.Being connected between each pipe and its joint adopted Type of Welding, promptly welds between main pipe 4 and the upper and lower flange (7,1); Each auxiliary line (3,6,8) and welding between the auxiliary line joint separately.Each auxiliary line joint is installed on the upper and lower flange (7,1), auxiliary line male and female joint is separately installed in the connection at the pipe string, the employing plug-in mounting connects and has forms such as sealing separately, guarantees high-pressure fluid medium and ocean seawater isolation work in each auxiliary line; Simultaneously, for preventing the auxiliary line dilatation that local pressure causes in seawater work, each auxiliary line has also designed certain clearance at its pin and box sub splicing position, satisfies its stroke requirement, can guarantee effectively that issuable asynchronous distortion changes between single auxiliary line and the Trunk Line.In addition, dispose multiple tracks auxiliary line mounting bracket 5 on each marine riser is single, its objective is and prevent that each auxiliary line breaks away from main pipe 4 under the influence of shock loadings such as ocean wave, wave, stream, and guarantee that each auxiliary line is identical with main pipe's bending, also have the ability of the external load impacting of reinforcement main pipe 4 resistances etc. simultaneously.
Each auxiliary line joint is installed on the upper and lower flange (7,1), auxiliary line male and female joint is separately installed in the connection at the pipe string, the employing plug-in mounting connects and has forms such as sealing separately, guarantees medium and the isolation of ocean seawater such as high-pressure slurry in each auxiliary line; Simultaneously, for preventing the auxiliary line dilatation that local pressure causes in seawater work, each auxiliary line (has also designed the certain clearance stroke at its pin and box sub splicing position, can guarantee effectively that issuable asynchronous distortion changes between single auxiliary line and the main pipe 4.
Adopting upper flange 7, lower flange 1 type of attachment between single and single, also can be the connected mode of other structure.
Auxiliary line can be arranged on the different reference circles with the distribution form of connecting bolt 2 end face of flange, also can be arranged on the same reference circle.
Upper and lower end face of flange can be the collar plate shape structure, also can be other multiple form of structure such as square, ellipse, auxiliary line and connecting bolt 2 can be by reference circle line symmetry or asymmetric layouts, also can be in symmetry or asymmetric layout on square, the elliptical path line.
The wall thickness of marine riser joint length and major-minor pipeline can be a kind of length and wall thickness, also can be random length and wall thickness; Its material can be a metal material, can not be metal material also.
Main technical schemes of the present utility model is suitable for two kinds of forms: a kind of is the riser system (can produce buoyancy) that the outside has buoyancy tank, a kind of is outside not with the riser system of buoyancy tank, two kinds of form of structure are identical except that buoyancy tank, and these two kinds of form of structure are used after adding other relevant corollary equipment and connecting bunchiness by designing requirement and the combination of design proportioning under the deepwater drilling ambient conditions.
Claims (5)
1, ocean deepwater drilling riser system is characterized in that connecting to form a pipe string by a plurality of single marine risers are upper and lower, and forms a complete system behind other parts of supporting connection and use; Single marine riser has main pipe (4), be fixed with upper flange (7) and lower flange (1) respectively at main pipe (4) two ends, on upper flange (7) and lower flange (1), each auxiliary line joint is installed, outside main pipe (4), disposes auxiliary line mounting bracket (5).
2, ocean deepwater drilling riser system according to claim 1 is characterized in that welding between main pipe (4) and the upper and lower flange (7,1); Each auxiliary line and welding between the auxiliary line joint separately.
3, ocean deepwater drilling riser system according to claim 1 is characterized in that upper and lower flange (7,1) can adopt seal cartridge (9) to add twice or multiple-sealed form seals.
4, ocean deepwater drilling riser system according to claim 1, it is characterized in that each auxiliary line is distributed with corresponding via hole on upper and lower flange (7,1), connecting bolt (2), nut (10) also are distributed on the reference circle on upper and lower flange (7,1).
5, ocean deepwater drilling riser system according to claim 1, it is characterized in that described auxiliary line comprises: 2 throttling/kill lines (6), 2 hydraulic lines (3), 1 or 2 mud supercharging pipelines (8), and all use auxiliary line mounting bracket (5) fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200298792U CN201354590Y (en) | 2008-07-31 | 2008-07-31 | Marine riser device for ocean deepwater drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200298792U CN201354590Y (en) | 2008-07-31 | 2008-07-31 | Marine riser device for ocean deepwater drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201354590Y true CN201354590Y (en) | 2009-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200298792U Expired - Fee Related CN201354590Y (en) | 2008-07-31 | 2008-07-31 | Marine riser device for ocean deepwater drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201354590Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168529A (en) * | 2011-04-01 | 2011-08-31 | 宝鸡石油机械有限责任公司 | Bolt-driven double-cone locking piece type riser connector |
| CN102268965A (en) * | 2011-08-02 | 2011-12-07 | 宝鸡石油机械有限责任公司 | Bandage type fixing bracket of well drilling marine riser |
| CN104603986A (en) * | 2012-05-02 | 2015-05-06 | 艺格比奇技术公司 | Reserve battery to provide power for subsea applications |
| CN110748305A (en) * | 2019-09-09 | 2020-02-04 | 建湖县永维阀门钻件有限公司 | Deepwater marine riser with protective shell |
| CN112780194A (en) * | 2020-12-31 | 2021-05-11 | 中油国家油气钻井装备工程技术研究中心有限公司 | Ocean riser commonality conversion equipment |
-
2008
- 2008-07-31 CN CNU2008200298792U patent/CN201354590Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102168529A (en) * | 2011-04-01 | 2011-08-31 | 宝鸡石油机械有限责任公司 | Bolt-driven double-cone locking piece type riser connector |
| CN102268965A (en) * | 2011-08-02 | 2011-12-07 | 宝鸡石油机械有限责任公司 | Bandage type fixing bracket of well drilling marine riser |
| CN104603986A (en) * | 2012-05-02 | 2015-05-06 | 艺格比奇技术公司 | Reserve battery to provide power for subsea applications |
| CN104603986B (en) * | 2012-05-02 | 2017-06-30 | 艺格比奇技术公司 | For the reserve cell powered to subsea use |
| CN110748305A (en) * | 2019-09-09 | 2020-02-04 | 建湖县永维阀门钻件有限公司 | Deepwater marine riser with protective shell |
| CN112780194A (en) * | 2020-12-31 | 2021-05-11 | 中油国家油气钻井装备工程技术研究中心有限公司 | Ocean riser commonality conversion equipment |
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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: 20091202 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |