CN201293161Y - Pushing and grabbing riser quick joint - Google Patents
Pushing and grabbing riser quick joint Download PDFInfo
- Publication number
- CN201293161Y CN201293161Y CNU2008200906340U CN200820090634U CN201293161Y CN 201293161 Y CN201293161 Y CN 201293161Y CN U2008200906340 U CNU2008200906340 U CN U2008200906340U CN 200820090634 U CN200820090634 U CN 200820090634U CN 201293161 Y CN201293161 Y CN 201293161Y
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- joint
- marine riser
- riser
- module
- pushing away
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Abstract
The utility model provides a quick joint of a push-grab type riser which mainly comprises a male flange, a female flange, a push-grab module and an auxiliary pipeline joint module, wherein the male flange and the female flange are respectively welded with two ends of the riser; the male flange of a former section of riser and the female flange of the next section of riser are matched and connected by the push-grab module; and the auxiliary pipeline joint module is fixed on two joints of the riser. The utility model aims to find a novel structure with rapid speed, favorable tightness, easy process and disassembly and convenient exchange of hold-down bolts on the basis of the research results of the prior riser joint, thereby setting up an offshore drilling riser system which is suitable for deep water areas with high pressure and has reliable performance and convenient operation.
Description
(1) technical field
The utility model relates to a kind of marine drilling platform marine riser fastening means, is specifically related to a kind of pushing away and grabs the rapid pipe joint of formula marine riser.
(2) background technique
Marine riser is a kind of pipeline that is used for isolating drilling equipment and seawater, and it extends to drill ship from subsea wellhead installations always, is close-connected by the standpipe joint between the tube and tube.In the ocean deepwater drilling process, the operator finishes the drilling well task by marine riser.Generally also carry some auxiliary lines around the marine riser.These auxiliary lines comprise kill line, drilling mud pipeloop and the hydraulic line of power is provided to downhole drilling apparatus.These pipelines also need joint to connect.The at present domestic standpipe Placement that generally adopts is that flange connects.The external rapid pipe joint of the breechblock formula that is connected with marine riser, the rapid pipe joint of collet-type marine riser, flange-type riser joints, the pipe thread formula riser joints that adopts.Be to introduce the standpipe rapid pipe joint of external several ocean below.
1. breechblock formula marine riser rapid pipe joint (breech-block coupling)
The breechblock formula pipe joint of U.S. Halliburton Company (Halliburton Company) invention utilizes staggered insertion of several groups of lugs to screw, and reaches the connection between two pipelines.The fixed-site that one group of relative pipeline of hanger is wherein arranged, the hanger of Pei Heing is processed outside on the snare tube with it.Can realize the connection between two pipelines fast, not need special equipment to go to twist bolt, also not need the very large pipeline of rotary volume, simple in structure, easy to operate quick.
2. collet-type marine riser rapid pipe joint (collet-type coupling)
The collet-type pipe joint that card plum (Cameron) company of falling invents is applicable to the connection between high pressure deepwater work device.There is the gap in the cylinder that it utilizes some claws to surround between the claw, under the extruding of peripheral piston, claw blocks the flange that is welded on line end, makes two pipeline close-coupled.It is to be driven by hydraulic power that piston moves, and can reduce the number of times of water under the diver to greatest extent, needing to be used for the pipeline of underwater operation to connect more.Owing to be hydraulic driving, sealing is also had higher requirement.
3. flange-type riser joints (flange-type coupling)
Flange fitting is widely used because of its good airproof performance, strong, simple in structure, the easy manufacturing of load capacity.Adopt SEAL SUB sealing between two flange plate, utilize peripheral king-bolt to connect.Relatively the time of length is tightened these bolts, the prolongation operation on the sea time but need spend during operation on the sea.Also to be equipped with corresponding instrument, offshore operations inconvenience in order to tighten these bolts.
4. pipe thread formula riser joints (thread coupling)
The pipe thread riser joints is that structure is the simplest a kind of in these pipe joints, and it only need process several groups of pipe thread in connector portions, because the sealed nature of pipe thread self does not need to add extra seal approach.But in operation is must have corresponding apparatus to make to relatively rotate between two pipes to screw corresponding joint.Offshore operations is the most inconvenient.The support of consideration auxiliary line that also will be extra and fixing simultaneously.
(3) summary of the invention
The purpose of this utility model is to provide a kind of can adapt to the ocean floor drilling environment, and tight between the realization marine riser, reliable, quick pushing away of connecting grabbed the rapid pipe joint of formula marine riser.
The purpose of this utility model be achieved in that this structure mainly by public law orchid, mother law orchid, push away and grab module and auxiliary line joint module four parts are formed, public law orchid and mother law orchid are welded with the two ends of marine riser respectively, blue blue cooperation of mother law with next joint of the public law of last joint marine riser, grab module realization connection by pushing away, the auxiliary line joint module is fixed on marine riser two pipe joints.
The utility model also has some technical characteristicss like this:
1, described pushing away grabbed module and mainly is made up of baffle plate, claw and hold-down bolt three parts, the outside of public law orchid is processed with one group of circular groove, the inboard of claw also is processed with one group of annular protrusion and cooperates with it, baffle plate by screw on the mother law orchid, be processed with internal thread on it and cooperate, claw is entered or withdraw from engagement by tightening and loosening hold-down bolt with hold-down bolt;
2, described public law orchid, mother law orchid are provided with two groups of U type grooves, are placed with the O RunddichtringO in the exterior annular groove of public law orchid, mother law orchid;
3, described marine riser auxiliary line comprises two kill lines, a mud reflux pipeline and a hydraulic power transfer line, the pipe joint structure of these four pipelines specifically comprises pin formula joint, boxlike joint, setscrew nut and O RunddichtringO, fit in the blue external flange of boxlike joint shoulder and public law top, pin formula joint is fitted by adjusting the blue external flange of nut and mother law, welds together between pipe joint and the pipeline.
The utility model is designed a kind of pipeline rapid pipe joint that is specifically designed between the standpipe according to the particularity of drillng operation working environment.Compact structure of the present invention, operating process are simply easy, and good reliability of connection is applicable to that deep water connects.This structure mainly by public law orchid, mother law orchid, push away and grab module and auxiliary line joint module four parts are formed.Public law orchid and mother law orchid are welded with the two ends of marine riser respectively, blue blue cooperation of mother law with next joint of the public law of last joint marine riser, are pushing away the tight connection of realization under the effect of grabbing module.Pushing away and grabbing module is core of the present utility model, and it can provide enough load capacity for the deep sea drilling riser system.Push away and grab module and mainly form by baffle plate, claw and hold-down bolt three parts.The outside of public law orchid is processed with a series of circular grooves, and the inboard of claw also processes a series of annular protrusions and cooperates with it.Under the effect of external force, the projection of claw is meshed with the circular groove of public law orchid, realizes the axial connection between the marine riser.Baffle plate, is processed with internal thread and cooperates with hold-down bolt on the mother law orchid by screw on it, claw is entered or withdraw from engagement by tightening and loosening hold-down bolt.Pushing away the structure of grabbing part is the problem that has focused on solving the unavoidable dismounting difficulty of existing joint of the present utility model.The utility model comprises a cover emergency mechanism, can be by the fast quick-detach between this cover mechanism realization marine riser when encountering problems.Solved and pushed away the structure screw thread problem that pipe joint can't be dismantled when impaired of grabbing.At a series of auxiliary lines that distributing on every side of marine riser, comprising two kill lines, a hydraulic power oil supply pipeline and a drilling mud pipeloop.When realizing the quick connection of marine riser, also realized the quick connection between these four auxiliary lines.The single-unit auxiliary line is welding assembly on land, and it adopts direct insertion pipe joint, in the quick mounting and the dismounting that guarantee to have realized on the reliable sealing basis pipeline.
Main points of the present utility model have provided and a kind ofly can realize in the shortest time that close-connected pushing away grabbed the formula pipe joint between two marine risers, can when pushing away the inefficacy of grapple structure hold-down bolt, realize fast quick-detach and replacement, can bear bigger hydraulic pressure, adapt to darker ocean environment.
Push away in the using process of grabbing the formula pipe joint existing, can often run into the problem of hold-down bolt thread failure.When similar problem takes place, be difficult to public law orchid and mother law orchid are separated, increased the operation on the sea time, improved drilling cost.The present invention adopts pushes away and grabs structure and can solve this problem that takes place frequently.
The utility model is an expansion to external existing riser joints.Push away on the basis of grabbing the formula pipe joint at classics, propose a kind of novel pushing away and grab structure.Its objective is that design one cover adapts to the ocean floor drilling environment, realize device tight between marine riser, reliable, that connect fast, broad application prospect is arranged in the ocean engineering field.Marine drilling, is owned independent intellectual property so that occupy a tiny space in the marine drilling field of the length and breadth of land with the structural design of riser joints.Because marine riser is very long, need will carry out sectional connection between the pipeline, joint has become inevitable pith.Design concept of the present utility model is: farthest shorten the marine operating time; Effective seal measure; Big as far as possible load capacity and resistance to flexure.Around these three emphasis,, on the basis of existing pipe joint, design a pipe joint that is applicable to the ocean operation environment in conjunction with some row problems that run in the practical operation.In order to shorten the operation on the sea time, on land public law orchid and mother law orchid are welded on the marine riser.Push away and grab that module also assembles on land and be connected with mother law is blue.For breaking external technical monopoly, this that a makes technology no longer is the technology barriers that water proof creeps in China, the utility model proposes to push away and grab the rapid pipe joint of formula marine riser, it can have and has independent intellectual property right, makes China can catch up with the trend of world's deep ocean work as early as possible creeping into the operation technique level.Meaning of the present utility model is under the achievement in research of existing pipe joint, seek a kind of fast speed, good airproof performance, easily processing, easy to assemble, be convenient to the new structure that hold-down bolt exchanges, adapt to high pressure and deepwater field, reliable performance, easy to operate Offshore Drilling Riser system thereby set up one.
(4) description of drawings
Fig. 1 grabs formula pipe joint overall structure External view for the utility model pushes away;
Fig. 2 is for to push away the sectional view of grabbing module along the marine riser axial direction;
Fig. 3 is the sectional view along marine riser axial direction auxiliary line structure
Fig. 4 is for to push away the sectional view of grabbing module along the marine riser cross-wise direction.
(5) embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described further:
The chief component of present embodiment as depicted in figs. 1 and 2, mainly by public law orchid 2, mother law orchid 1, push away and grab module 3 and auxiliary line joint module four parts are formed, public law blue 2 and mother law orchid 1 are welded with the two ends of marine riser respectively, the public law of last joint marine riser blue 2 cooperates with the mother law blue 1 of next joint, grab module realization connection by pushing away, the auxiliary line joint module is fixed on marine riser two pipe joints.Public law orchid 2 is welded on an end of last joint marine riser 12, and mother law orchid 1 is welded on an end of back one joint marine riser 13, and blue 1 of public law blue 2 and mother law are grabbed module 3 and are connected by pushing away.On the external flange of flange plate, two kill lines 4, mud reflux pipeline 5 and hydraulic power transfer line 6 are distributing.They pass the through hole on two flange plate, are evenly distributed on the flange of flange plate.Also design has two groups of U type grooves on two flange plate, for mention or when transferring the marine riser group suspension hook connect and use.
Fig. 2 pushes away the sectional view of grabbing module along the marine riser axial direction, is placed with O RunddichtringO 14 in the circular groove on mother law orchid 1, is used for realizing the sealing that marine riser is inside and outside; Being placed with O RunddichtringO 15 on the public law orchid 2 in the circular groove has separated ocean environment and has grabbed inter-agency the contact with pushing away.On the public law orchid, cut circular groove, also cut and circular groove on the claw 17.Sunk part engagement and the extruding of top boss on the claw 17 and public law orchid make thrust load pass to female flange wall by claw 17, have increased the load capacity of joint.10 needs of hold-down bolt provide a less impacting force just can realize the connection of big load, greatly reduce the probability that causes connecting inefficacy because of bolt failure.Can know from Fig. 2 and to see the axial sectional view that pushes away the grapple structure, this moment, claw 17 compacted bolts 10 were pulled out engagement, and the connection between the male and female flange also forms.When hold-down bolt 10 extruding claws 17, make the engagement of the projection on claw 17 tops and public law orchid and when compressing, finish connection.
Fig. 3 is the sectional view along marine riser axial direction auxiliary line structure.The marine riser auxiliary line comprises two kill lines 4, a mud reflux pipeline 5 and a hydraulic power transfer line 6.The pipe joint of these four pipelines all adopts the same structure, just difference to some extent on the size.Structure specifically comprises: pin formula joint 23, boxlike joint 26, setscrew nut 24 and O RunddichtringO 25.Fit in the blue 2 external flange tops of boxlike joint 26 shoulders and public law, pin formula joint 23 is fitted with blue 1 external flange of mother law by adjusting nut 24, weld together between pipe joint and the pipeline, kill line or other auxiliary lines just are fixed on marine riser two pipe joints like this.The effect of flange plate flange provides support to auxiliary line exactly.
Fig. 4 pushes away the sectional view of grabbing module along the marine riser cross-wise direction.Pushing away the concrete structure of grabbing module 3 mainly comprises: hold-down bolt 10, compress the thread spindle 18 and the claw 17 of boots 16, baffle plate 8, gland nut 9, inner thread sleeve 11, extension spring 19, the narrow meshed screw 20 of head, end band circular groove.Push away and grab that structure 3 is assembled on land and fixing with public law blue 2.Claw 17 embeds in the groove of baffle plate 8 bottoms under the pulling force of extension spring 19, makes claw 17 that a position accurately can be arranged before being installed to mother law orchid 1, and the carrying out that helps the later stage like this installed fast.During marine the lifting, tighten hold-down bolt 10, drive and compress boots 16 promotion claws 17, the arc tooth group of claw inner ring is inserted in the circular groove of public law orchid 2, realize tight connection of blue 1 of public law orchid 2 and mother law with drive spool.
When causing soon the quick-detach riser system at hold-down bolt 10 thread failures, can unclamp gland nut 9, take out inner thread sleeve 11.This moment hold-down bolt 10 also and inner thread sleeve 11 link together, can very fast taking-up with compress boots 16 and be in the hold-down bolt 10 that activity is connected.After taking out hold-down bolt 10, under the effect of extension spring 19, claw 17 breaks away from public law orchid 2 to be got back in the window space of mother law orchid 1, and two marine risers separate up and down.
Screw 20 can free turn, adjusts the state of extension spring 19.Don't fail to guarantee that from start to finish extension spring 19 is in the state of work, could guarantee that like this claw 17 is embedded in the baffle plate 8 before installation.
Claims (5)
1, a kind of pushing away grabbed the rapid pipe joint of formula marine riser, it comprises the blue and mother law orchid of public law, it is characterized in that it also comprises pushing away grabs module and auxiliary line joint module, public law orchid and mother law orchid are welded with the two ends of marine riser respectively, blue blue cooperation of mother law with next joint of the public law of last joint marine riser, grab module realization connection by pushing away, the auxiliary line joint module is fixed on marine riser two pipe joints.
2, according to claim 1 pushing away grabbed the rapid pipe joint of formula marine riser, it is characterized in that described pushing away grab module and mainly be made up of baffle plate, claw and hold-down bolt three parts, the outside of public law orchid is processed with one group of circular groove, the inboard of claw also is processed with one group of annular protrusion and cooperates with it, baffle plate by screw on the mother law orchid, be processed with internal thread on it and cooperate, claw is entered or withdraw from engagement by tightening and loosening hold-down bolt with hold-down bolt.
3, according to claim 1 and 2 pushing away grabbed the rapid pipe joint of formula marine riser, it is characterized in that described public law orchid, mother law orchid are provided with two groups of U type grooves, are placed with the O RunddichtringO in the exterior annular groove of public law orchid, mother law orchid.
4, according to claim 1 and 2 pushing away grabbed the rapid pipe joint of formula marine riser, it is characterized in that described auxiliary line joint module comprises two kill lines, a mud reflux pipeline and a hydraulic power transfer line, the pipe joint structure of these four pipelines specifically comprises pin formula joint, boxlike joint, setscrew nut and O RunddichtringO, fit in the blue external flange of boxlike joint shoulder and public law top, pin formula joint is fitted by adjusting the blue external flange of nut and mother law, welds together between pipe joint and the pipeline.
5, according to claim 3 pushing away grabbed the rapid pipe joint of formula marine riser, it is characterized in that described auxiliary line joint module comprises two kill lines, a mud reflux pipeline and a hydraulic power transfer line, the pipe joint structure of these four pipelines specifically comprises pin formula joint, boxlike joint, setscrew nut and O RunddichtringO, fit in the blue external flange of boxlike joint shoulder and public law top, pin formula joint is fitted by adjusting the blue external flange of nut and mother law, welds together between pipe joint and the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200906340U CN201293161Y (en) | 2008-08-11 | 2008-08-11 | Pushing and grabbing riser quick joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200906340U CN201293161Y (en) | 2008-08-11 | 2008-08-11 | Pushing and grabbing riser quick joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293161Y true CN201293161Y (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200906340U Expired - Lifetime CN201293161Y (en) | 2008-08-11 | 2008-08-11 | Pushing and grabbing riser quick joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201293161Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012109829A1 (en) * | 2011-02-15 | 2012-08-23 | 宝鸡石油机械有限责任公司 | Rotary lock block type drilling riser connector |
| CN103122753A (en) * | 2013-01-04 | 2013-05-29 | 中国石油大学(华东) | Near-sea separation and tie-back device for typhoon-resisting drilling risers |
| CN103776688A (en) * | 2014-01-21 | 2014-05-07 | 西南石油大学 | Marine riser test bed flange tension device |
| CN105818075A (en) * | 2016-05-18 | 2016-08-03 | 建湖县永维阀门钻件有限公司 | Butt-joint device for pipe fittings of water-resisting pipe |
-
2008
- 2008-08-11 CN CNU2008200906340U patent/CN201293161Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012109829A1 (en) * | 2011-02-15 | 2012-08-23 | 宝鸡石油机械有限责任公司 | Rotary lock block type drilling riser connector |
| US9222315B2 (en) | 2011-02-15 | 2015-12-29 | Baoji Oilfield Machinery Co., Ltd. | Rotary lock block type drilling riser connector |
| NO341299B1 (en) * | 2011-02-15 | 2017-10-02 | Baoji Oilfield Machinery Co | Rotary type of latch bar drill pipe coupling |
| CN103122753A (en) * | 2013-01-04 | 2013-05-29 | 中国石油大学(华东) | Near-sea separation and tie-back device for typhoon-resisting drilling risers |
| CN103122753B (en) * | 2013-01-04 | 2018-07-17 | 中国石油大学(华东) | A kind of typhoon protection drilling water-separation pipe Layer Near The Sea Surface is detached from and tieback assembly |
| CN103776688A (en) * | 2014-01-21 | 2014-05-07 | 西南石油大学 | Marine riser test bed flange tension device |
| CN105818075A (en) * | 2016-05-18 | 2016-08-03 | 建湖县永维阀门钻件有限公司 | Butt-joint device for pipe fittings of water-resisting pipe |
| CN105818075B (en) * | 2016-05-18 | 2017-05-03 | 建湖县永维阀门钻件有限公司 | Butt-joint device for pipe fittings of water-resisting pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU OPR OFFSHORE ENGINEERING CO., LTD. Free format text: FORMER OWNER: FUZHOU LINCHUAN OFFSHORE PIPELINES + RISERS CO., LTD. Effective date: 20121022 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 344100 FUZHOU, JIANGXI PROVINCE TO: 311121 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121022 Address after: Yuhang District, Hangzhou City, Zhejiang Province, 311121 West No. 1500 Patentee after: Hangzhou OPY Ocean Engineering Co.,Ltd. Patentee after: She Yunjiu Address before: 344100 Liancheng street, Liancheng District, Linchuan District, Jiangxi, Fuzhou Patentee before: Fuzhou Linchuan Baiyong Marine Engineering Co.,Ltd. Patentee before: She Yunjiu |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090819 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: She Yunjiu Document name: Notification of Expiration of Patent Right Duration |
|
| DD01 | Delivery of document by public notice |