CN101581202B - Upper feed pipe nipple device of riser pipe under simulated injection method - Google Patents
Upper feed pipe nipple device of riser pipe under simulated injection method Download PDFInfo
- Publication number
- CN101581202B CN101581202B CN200910087231XA CN200910087231A CN101581202B CN 101581202 B CN101581202 B CN 101581202B CN 200910087231X A CN200910087231X A CN 200910087231XA CN 200910087231 A CN200910087231 A CN 200910087231A CN 101581202 B CN101581202 B CN 101581202B
- Authority
- CN
- China
- Prior art keywords
- riser pipe
- butterfly
- pipe
- steel bar
- injection method
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The invention provides an upper feed pipe nipple device of a riser pipe under a simulated injection method, which is characterized in that the device comprises a center bearing, a plurality of angle steel, a plurality of supporting steel bars, an upper rotary baffle and a lower rotary baffle; a short drill pipe and a drill string pass through the middle of the center bearing; the outer side of a vertical steel plate of the angle steel is fixed at the inner side of the riser pipe; the inner side of the vertical steel plate is connected with one end of the supporting steel bar; the other end of the supporting steel bar is connected with the lateral wall of the center bearing; the angle steel is circumferentially distributed at the inner side of the riser pipe; the upper rotary baffle is arranged on the lower part of the supporting steel bar and is mated with the lower rotary baffle arranged on the short drill pipe. With the above structure, the device can play a role of a top centralizerin the drilling process, realize the function of upper centering of the riser pipe and ensure smooth drilling of the riser pipe under the injection method; besides, the device features automatic asse mbly and disassembly and avoids manual operation, thereby not only meeting test requirements but also simplifying operation procedures, greatly reducing workload in the construction process and savingtest expenses to a great degree.
Description
Technical field
The present invention relates to a kind of simulation test device of offshore oil drilling, particularly about a kind of upper feed pipe nipple device of riser pipe under simulated injection method.
Background technology
In the offshore oil drilling exploitation engineering, riser pipe plays important effect, is mainly used in insulating sea water and drilling fluid passage etc. is provided.Because the expense of every mouthful of well of offshore oil exploitation is all very high, therefore in order to improve the success rate that is drilled to every mouthful of well, need in advance the situation on the stressed and stratum of sleeve pipe is analyzed, carry out the simulated test of riser pipe at greater coasting area.
In riser pipe simulated test based on gunite, in order in drilling process, to stablize riser pipe, and prevent the riser pipe lateral tilt and topple over, usually adopt crane to assist and creep into.This operation makes riser pipe not to be lowered to technology to gunite and to produce very big influence, and then to have influenced test effect with boring with down.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of riser pipe that is used for solving and be lowered to process of the test based on gunite, the upper feed pipe nipple device of riser pipe under simulated injection method of problem such as is set upright in riser pipe stability and top.
For achieving the above object, the present invention takes following technical scheme: a kind of upper feed pipe nipple device of riser pipe under simulated injection method is characterized in that: it comprises centre bearing, a plurality of angle steel, a plurality of support steel bar, goes up butterfly and following butterfly; Short drill pipe and drill string pass from the centre of described centre bearing; Described centre bearing is positioned at the centre of upper part of riser pipe; The vertical steel plate outside of described angle steel is fixed on the riser pipe inboard, and inboard connection of vertical steel plate supported steel bar one end; Support the lateral wall that the steel bar other end connects described centre bearing; Described angle steel is circle distribution in described riser pipe inboard; Described upward butterfly is arranged on the bottom of described support steel bar, and is supporting with the following butterfly that is arranged on the described short drill pipe.
The thickness of described upward butterfly is consistent with described support steel bar.
The described length that goes up butterfly is 1/3 of described support steel bar.
The described vertical steel plate outside is fixed by screw thread with described riser pipe inboard.
The number of described upward butterfly and following butterfly is consistent with the number of described angle steel.
The present invention is owing to take above technical scheme, it has the following advantages: 1, top of the present invention is sent into pipe nipple simulation test device and riser pipe and is buckled by anchoring filament and be connected in one, provide horizontal restraint forces by drill string, make the riser pipe can be in drilling process, thereby solved the problem of riser pipe stability owing to big deflection is not toppled over.2, the present invention also can play the effect of top centralizer by above structure in drilling process, realizes the function that upper part of riser pipe is set upright, and makes that riser pipe is crept into smoothly under the gunite.3, simulation test device of the present invention bears against the generation moment of torsion mutually owing to the rotation by drill string makes the butterfly and the butterfly on the short drill pipe that support the steel bar bottom, can realize automatic installation and removal, avoided manually-operated, not only satisfy test requirements document but also simplified operation procedure, significantly reduce the workload in the work progress again, saved testing expenses to a great extent.
Description of drawings
Fig. 1 is a device front elevational schematic of the present invention
Fig. 2 is a device schematic top plan view of the present invention
Fig. 3 is a short drill pipe front elevational schematic of the present invention
Fig. 4 is a short drill pipe schematic top plan view of the present invention
The specific embodiment
Be described in detail of the present invention below in conjunction with drawings and Examples.
The present invention sends into the pipe nipple device by installing at upper part of riser pipe, and drill string passes a bearing and is lowered into riser pipe inside.Rotation by drill string afterwards bears against the butterfly of support steel bar bottom and the butterfly on the short drill pipe mutually, and then produces moment of torsion, and the pipe nipple device is sent in drive and drill string rotates synchronously.When rotation synchronously, send into the pipe nipple device and riser pipe fixedly becomes one, play and stablize the double action that riser pipe and top are set upright by fixing screw thread realization.
As shown in Figure 1 and Figure 2, upper part of riser pipe of the present invention is sent into the pipe nipple device and is comprised: centre bearing 1, angle steel 2, support steel bar 3 and last butterfly 4.Wherein, centre bearing 1 is positioned at upper part of riser pipe and sends into pipe nipple device centre, short drill pipe 5 and drill string 6 pass from the centre of centre bearing 1, and centre bearing 1 does not rotate with the rotation of drill string 6, thereby riser pipe 7 does not rotate with the rotation of drill string 6 yet.Short drill pipe 5 and drill string 6 can move by easy on and off simultaneously, thereby guarantee normally creeping into of drill string 6, and the internal diameter size of centre bearing 1 needs the external diameter greater than short drill pipe 5 and drill string 6.
Support the inboard that steel bar 3 one ends are welded on vertical steel plate 21, the other end is welded on the outer surface of centre bearing 1, is used for that centre bearing 1 is fixed on upper part of riser pipe and sends into pipe nipple device centre.Support steel bar 3 bottoms and install butterfly 4, with the following butterfly 8 supporting settings that are arranged on the short drill pipe 5.When the installation upper part of riser pipe was sent into the pipe nipple device, last butterfly 4 and following butterfly 8 bore against mutually, produced moment of torsion by drill string 5 forwards and reverse rotation, and the realization upper part of riser pipe is sent into the automatic installation and removal of pipe nipple device.
As shown in Figure 3, Figure 4, short drill pipe 5 of the present invention comprises butterfly 8, female joint 9, main body 10 and male joint 11 down.Following butterfly 8 is arranged on the relevant position at main body 10 middle parts.
In the embodiments of the invention, the number of angle steel 2 is 4, and in the inboard circular layout of riser pipe 7, angle is 90 ° between adjacent two angle steel 2.The number of last butterfly 4 and following butterfly 8 is consistent with the number of angle steel 2.The thickness of last butterfly 4 and the consistency of thickness that supports steel bar 3, length are about 1/3 of support steel bar 3.The length of short drill pipe 5 is about 50cm, the size of the following butterfly 8 on it and last butterfly 4 couplings.
Upper part of riser pipe of the present invention is sent into the pipe nipple Unit Installation and demounting procedure comprises:
1, upper part of riser pipe is sent into the pipe nipple Unit Installation:
1) short drill pipe 5 is inserted in the drill string assembly.
2) upper part of riser pipe is sent into the pipe nipple device and be installed on the drill string assembly, make short drill pipe 5 pass centre bearing 1.
3) upper part of riser pipe is sent into pipe nipple device and drill string assembly and from up to down be inserted in riser pipe 7, butterfly 4 and following butterfly 8 are born against mutually.
4) start rig, drill string assembly is rotated in the forward, because the effect that bears against between last butterfly 4 and the following butterfly 8, can make upper part of riser pipe send into the pipe nipple device, and firmly link together with the fixedly screw thread 23 of riser pipe 7 by vertical steel plate 21 outsides along with short drill pipe 5 is rotated in the forward.
5) stop rig then and rotate, vertically be lowered to drill string assembly, butterfly 4 and following butterfly 8 are broken away from; Start rig once more, normally creep into, realized that upper part of riser pipe sends into the pipe nipple Unit Installation.
2, upper part of riser pipe is sent into the dismounting of pipe nipple device:
I) to send into the process that removes and installs of pipe nipple device similar for upper part of riser pipe, when riser pipe 7 is lowered into desired depth, finishes when creeping into, and the bottom drill string combination is vertically mentioned.
II) when mentioning short drill pipe 5 positions of containing following butterfly 8 in the drill string assembly, the position of butterfly 4 and following butterfly 8 bears against it mutually in the adjustment.
III) start rig, make the drill string assembly reverse rotation, and the drive upper part of riser pipe is sent into the reverse rotation thereupon of pipe nipple device.The fixedly screw thread 7 that vertical steel plate 21 and riser pipe are 7 is slowly untied, and has realized that upper part of riser pipe sends into the dismounting of pipe nipple device.
Claims (5)
1. upper feed pipe nipple device of riser pipe under simulated injection method is characterized in that: it comprises centre bearing, a plurality of angle steel, a plurality of support steel bar, goes up butterfly and following butterfly; Short drill pipe and drill string pass from the centre of described centre bearing; Described centre bearing is positioned at the centre of upper part of riser pipe; The vertical steel plate outside of described angle steel is fixed on the riser pipe inboard, described support steel bar one end of the inboard connection of described vertical steel plate, and the described vertical steel plate outside is fixed by screw thread with described riser pipe inboard; The described support steel bar other end connects the lateral wall of described centre bearing; Described angle steel is circle distribution in described riser pipe inboard; Described upward butterfly is arranged on the bottom of described support steel bar, and is supporting with the following butterfly that is arranged on the described short drill pipe.
2. a kind of upper feed pipe nipple device of riser pipe under simulated injection method as claimed in claim 1 is characterized in that: the thickness of described upward butterfly is consistent with described support steel bar.
3. a kind of upper feed pipe nipple device of riser pipe under simulated injection method as claimed in claim 1 is characterized in that: the described length that goes up butterfly is 1/3 of described support steel bar.
4. a kind of upper feed pipe nipple device of riser pipe under simulated injection method as claimed in claim 2 is characterized in that: the described length that goes up butterfly is 1/3 of described support steel bar.
5. as claim 1 or 2 or 3 or 4 described a kind of upper feed pipe nipple device of riser pipe under simulated injection method, it is characterized in that: the number of described upward butterfly and following butterfly is consistent with the number of described angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910087231XA CN101581202B (en) | 2009-06-19 | 2009-06-19 | Upper feed pipe nipple device of riser pipe under simulated injection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910087231XA CN101581202B (en) | 2009-06-19 | 2009-06-19 | Upper feed pipe nipple device of riser pipe under simulated injection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101581202A CN101581202A (en) | 2009-11-18 |
| CN101581202B true CN101581202B (en) | 2011-11-09 |
Family
ID=41363505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910087231XA Active CN101581202B (en) | 2009-06-19 | 2009-06-19 | Upper feed pipe nipple device of riser pipe under simulated injection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101581202B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105041248B (en) * | 2015-09-30 | 2017-04-05 | 中国石油大学(华东) | A kind of deepwater drilling surface conductor pipe running tool |
| CN107218028B (en) * | 2017-06-12 | 2020-10-09 | 中国石油天然气股份有限公司 | Method and system for simulating extension of drill bit in process of running deep water guide pipe |
| CN109025848A (en) * | 2018-10-12 | 2018-12-18 | 中煤地质集团有限公司北京分公司 | A kind of aperture centralizer |
| CN114961591B (en) * | 2022-07-01 | 2024-07-23 | 西安石油大学 | Waterproof conduit righting and stabilizing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077145Y (en) * | 2007-06-27 | 2008-06-25 | 韩富城 | Supporting device for screw of extrusion machine |
| US7537416B2 (en) * | 2003-05-30 | 2009-05-26 | Chevron Usa Inc | Riser support system for use with an offshore platform |
| CN201420509Y (en) * | 2009-06-19 | 2010-03-10 | 中国海洋石油总公司 | Pup joint device for feeding upper part of riser pipe under simulation spray method |
-
2009
- 2009-06-19 CN CN200910087231XA patent/CN101581202B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7537416B2 (en) * | 2003-05-30 | 2009-05-26 | Chevron Usa Inc | Riser support system for use with an offshore platform |
| CN201077145Y (en) * | 2007-06-27 | 2008-06-25 | 韩富城 | Supporting device for screw of extrusion machine |
| CN201420509Y (en) * | 2009-06-19 | 2010-03-10 | 中国海洋石油总公司 | Pup joint device for feeding upper part of riser pipe under simulation spray method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101581202A (en) | 2009-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101581202B (en) | Upper feed pipe nipple device of riser pipe under simulated injection method | |
| CA2802838C (en) | Device and method for stablization of a wellhead, and also use of a suction substructure for support of a wellhead | |
| CN106193118B (en) | The tall and big side wall unilateral side formwork erection of open trench tunnel agent structure and its construction technology | |
| CN103015955B (en) | Open-hole horizontal well multi-cluster sliding sleeve staged fracturing string and fracturing method thereof | |
| CN201705365U (en) | Duct piece structure of shield tunnel through mouth | |
| CN202117556U (en) | Auger driller for moulding concrete piles with different depth and shapes | |
| CN201420509Y (en) | Pup joint device for feeding upper part of riser pipe under simulation spray method | |
| JP5278828B2 (en) | How to install the jacket | |
| CN112211223B (en) | Municipal pipe gallery structure and construction method | |
| NO800469L (en) | DEVICE FOR OIL EXTRACTION UNDER WATER | |
| US10676998B2 (en) | Apparatus and methods for supporting a subsea well | |
| CN209144816U (en) | A kind of bottom grouting system being applicable in deep well grounding electrode feed rod | |
| CN111678007A (en) | Fixing device for installing and embedding earth-rock dam pressure measuring pipe and inclinometer pipe | |
| CN204511327U (en) | The anti-eccentric drill bit structure of tunnel anchoring boring | |
| CN212612447U (en) | Double-barrelled slip casting stock structure | |
| CN107313736A (en) | A kind of new casing head body bottom portion attachment means | |
| CN208347749U (en) | A kind of wall casing propulsive mechanism | |
| CN208184676U (en) | The enhanced guide-tube structure of axial stability | |
| CN113551080B (en) | Construction method for positioning and installing underground parallel pipelines | |
| NO20190875A1 (en) | Riser stabilization system | |
| CN204827470U (en) | Inclined shaft ends thick liquid under water and fills up construction equipment | |
| CN113089667B (en) | Sinking construction method of steel casing | |
| CN218059961U (en) | Supporting device for bridge reinforcement | |
| CN211777193U (en) | Underground geological drilling hole device | |
| CN219535944U (en) | Special spiral grounding pile for photovoltaic support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: China University of Petroleum (Beijing) |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: China University of Petroleum (Beijing) Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: China University of Petroleum (Beijing) |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210809 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: China University of Petroleum (Beijing) |
|
| TR01 | Transfer of patent right |