CN206091893U - On preventing, general type scurries nipple joint - Google Patents
On preventing, general type scurries nipple joint Download PDFInfo
- Publication number
- CN206091893U CN206091893U CN201621064129.XU CN201621064129U CN206091893U CN 206091893 U CN206091893 U CN 206091893U CN 201621064129 U CN201621064129 U CN 201621064129U CN 206091893 U CN206091893 U CN 206091893U
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- China
- Prior art keywords
- sheath
- top connection
- pipe nipple
- universal
- nipple
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Abstract
The utility model discloses an on preventing, general type scurries nipple joint includes top connection and nipple joint body that top -down connected gradually, still the cover is equipped with the regulation sheath outside the nipple joint body, adjust sheath upper portion internal diameter and be greater than the lower part internal diameter and be formed with the annular table rank in reducing department, make and adjust sheath upper portion and pass through the locking mechanical system suit and fix in the top connection outside, and the low end pressure of top connection is joined in marriage on adjusting the inboard annular table rank of sheath, this on preventing, general type scurries nipple joint with traditional preventing spout single with prevent on scurry the nipple joint and unite two into one, various tubular columns are connected through becoming the cooperation of lock joint head in the lower part, the upper portion design for ordinary 278' oil pipe knot type in order to connect plug valve or other well opening tools, do not influence the well head operation, using the well shutdown time control of making up under the tubular column operating mode to accomplish within 3 minutes behind this on preventing, general type scurries nipple joint, reducing intensity of labour, avoided hoisting a series of problems such as next hoist and mount risk of single root zone and string knot elevator difficulty, processing is simple, the facilitate promotion.
Description
Technical field
This utility model is related to oil gas field well workover technology field, more particularly to it is a kind of it is universal it is anti-on alter pipe nipple.
Background technology
In Downhole Construction, Jing often has various elevators to be used alternatingly, and has drill pipe elevator (opposite opened, laterally opened, ox head
Formula), there is pipe elevator (thickening, flat), in the middle of urgent closing well and daily blowout prevention manoeuvre, find a problem：When needs make
During with altering pipe nipple or single blowout prevention on anti-, one is to need to change elevator, particularly drilling rod cattle-head elevator, needs to unload during replacing
The bolt of lower fixed lug；Two is pipe nipple to be altered on anti-or blowout prevention is single hangs rig floor under rig floor and need the time；Three be due to
Ramp angle is different with elevator position, it is anti-on alter pipe nipple or blowout prevention is single tiltedly on ramp, cause rig floor buckle of hanging oneself to close tired
It is difficult；It is long that these reasons frequently result in the closed-in time, is urgent problem in well control work.
Utility model content
The purpose of this utility model be to provide it is a kind of will be traditional blowout prevention single and anti-on alter short circuit and unite two into one, solve
Blowout prevention is single to fasten difficult problem with nine elevators on rig floor；Solve using pipe nipple closed-in time longer difficulty is altered on anti-
Topic it is universal anti-on alter pipe nipple.
For this purpose, technical solutions of the utility model are as follows：
It is a kind of it is universal it is anti-on alter pipe nipple, including the top connection and nipple body that are sequentially connected from top to bottom；Described short
Section outer body is also set with regulation sheath；The regulation sheath upper inner diameter is more than lower inner diameter and is formed with ring at reducing
Shape step, makes the regulation sheath top be set with and be fixed on the outside of the top connection by locking mechanism, and the top connection
Low side is press-fitted on the ring-shaped step adjusted on the inside of sheath.
This it is universal it is anti-on alter pipe nipple and also include that the bottom for being set with and being fastened on the nipple body Basolateral becomes
Button, the bottom variable buckle lower outer diameter are less than top external diameter, be additionally provided with connection external screw thread, be easy to which in the lower outer diameter
The part of his size is fastened on the nipple body bottom.
At least one groove is offered on the top connection outer wall, is offered on the regulation sheath side wall recessed with described
The through hole of groove insertion；Compression spring that the locking mechanism includes from the groove-bottom setting gradually from inside to outside, spring catch and
Spring capping, the spring capping insulate the compression spring, spring catch in the groove；The spring catch includes tabletting
With the cylinder to be formed is extended axially upward from the tabletting end face center, the institute under the elastic force effect of the compression spring
State spring catch upper cylinder to stretch out from the central through hole of the spring capping and be installed on the wall of the regulation sheath side
In through hole.
The top connection is sleeved on the outside of the nipple body, and the top connection bottom is gradually inwardly punctured into taper,
Between the tapered portion outer wall and axis, angle is 18 °.
The internal diameter of the top connection is 62mm, external diameter is 105mm, and top is processed as button-type for 27/8" flat button；Institute
The external diameter for stating regulation sheath is 114mm；The external diameter of the nipple body is 73mm.
It is described it is universal it is anti-on to alter the total length of pipe nipple be 4～5.5m.
Compared with prior art, this it is universal it is anti-on alter pipe nipple will be traditional blowout prevention single and anti-on alter pipe nipple conjunction two and be
One, need not frequently change elevator using when pipe nipple is altered on preventing in the case where different tubing strings are removed；Using this it is universal it is anti-on
Closed-in time control after altering pipe nipple under combined string operating mode was completed within 3 minutes, reduced labor intensity, it is to avoid lifting is single
A series of problems, such as lifting risk that root brings is with elevator difficulty is buckled, processing is simple, is easy to promote.
Description of the drawings
Fig. 1 be it is of the present utility model it is universal it is anti-on alter the structural representation of pipe nipple；
Fig. 2 be it is of the present utility model it is universal it is anti-on alter the schematic diagram that pipe nipple coordinates pipe elevator to use；
Fig. 3 be it is of the present utility model it is universal it is anti-on alter the schematic diagram that pipe nipple coordinates 18 ° of slope drill pipe elevators to use；
Fig. 4 for it is of the present utility model it is universal it is anti-on alter after pipe nipple installs regulation sheath additional and coordinate 31/2" elevator pipe elevator makes
Structural representation.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to this utility model, but following embodiments are right absolutely not
This utility model has any restriction.
As shown in figure 1, this it is universal it is anti-on alter top connection 1,6 and of nipple body that pipe nipple includes being sequentially connected from top to bottom
Bottom variable buckle 7, specifically, the top connection 1 and bottom variable buckle 7 are set in outside top and the low side of the nipple body 6
Side is simultaneously threaded connection fixation；7 lower outer diameter of bottom variable buckle is less than top external diameter, and also sets in the lower outer diameter
There is connection external screw thread, bottom tubing string is connected on the downside of the nipple body 6 by the lower described portion's variable buckle 7 with reducing；
1 bottom of the top connection is gradually inwardly punctured into taper, and between the tapered portion outer wall and axis, angle is
18 °, the top connection 1 with the angle is suitable to using cooperatively for various slope drilling rods；
Top box cupling button-type is 27/8" flat button can meet and install conventional plug valve or other instruments；In which, latus rectum is
62mm, it is adaptable to this it is universal it is anti-on alter pipe nipple after well head installation, installation meet well head other operations as：Downhole testing
Instrument, coiled tubing etc.；
Regulation sheath 5 is set with the outside of the nipple body 6 also；5 upper inner diameter of the regulation sheath is more than in bottom
Footpath and ring-shaped step is formed with reducing, the upper inner diameter of the regulation sheath 5 and the external diameter of the top connection 1 be adapted,
Lower inner diameter is adapted with the external diameter of the nipple body 6,5 top of the regulation sheath is set with by locking mechanism and is fixed
On the outside of the top connection 1, and 1 low side of the top connection is press-fitted on the ring-shaped step adjusted on the inside of sheath 5；
A circular groove is offered on 1 outer wall of the top connection, is opened on correspondence position on 5 side wall of the regulation sheath
It is provided with the through hole that insertion is corresponded and formed with the groove；The locking mechanism include from the groove-bottom from inside to outside according to
The spring 4 of secondary setting, spring catch 3 and spring capping 2；The spring catch 3 includes a cylinder being adapted with the groove internal diameter
Shape tabletting and the cylinder for extending axially up and down from the tabletting top surface and bottom center respectively, the spring catch
3 lower cylindrical bodies be inserted in the spring 4 and can compression spring to making spring catch 3 be fully located in the circular groove；
2 center of the spring capping offers through hole, and the spring capping 2 is sleeved on the outside of 3 upper cylinder of the spring catch and welds
It is connected at the top of the cell wall of the circular groove, the spring capping 2 is flushed with 1 outer wall of the top connection；
When it is described regulation sheath 5 be sleeved on the outside of the top connection when, the spring catch 3 in the presence of the spring 4,
Its upper cylinder is ejected and is installed in the through hole for adjusting sheath 5 from the spring capping 2, makes the regulation sheath 5
It is connected with the top connection 1；
The internal diameter of the top connection 1 is 62mm, external diameter is 105mm, and the external diameter of the nipple body 2 is 73mm, it is adaptable to
Size is 27/8" drill pipe elevator, pipe elevator, cattle-head elevator, any fastening elevator of opposite opened elevator etc.；
The regulation sheath 5 is alternative accessory, and its external diameter is 114mm；When this it is universal it is anti-on alter pipe nipple and be set with
During the regulation sheath 5, pipe nipple external diameter extends to 114mm, you can be suitable for 31/2" all kinds of elevators, be easy to removing difference
During tubing string using this it is universal it is anti-on alter pipe nipple and carry out suspension ring replacing；
This it is universal it is anti-on to alter the total length of pipe nipple be 4～5.5m；Generally in order to coordinate the rig floor of differing heights
Using be machined with tri- kinds of length specifications of 4m, 4.5m and 5m it is anti-on alter pipe nipple, corresponding length is highly selected according to rig floor during use
It is anti-on alter pipe nipple, it is ensured that can both meet closing well rear lower box cupling in ram block once position, placement can have been met again short
Needs of the section on rig floor, easily lift, easily buckle elevator.
As shown in figs. 2 to 4 for this it is universal it is anti-on alter pipe nipple can be suitable for one by installing or not dismantling regulation sheath 5 additional
As pipe elevator, 18 ° of slope drill pipe elevators or 31/2" structural representation that elevator cooperates is assembled in advance according to elevator size
Pipe nipple is altered on applicable type is anti-,
This it is universal it is anti-on alter pipe nipple and integrally adopt the high-quality tubing of grade of steel N80 to be made up of material, its tensile strength is
760kN, the tensile strength of joint is 470kN, common 27/8" weight of drilling rod 1000m about 150kN, fully meets suspension
Need；Pipe nipple bottom is altered on anti-and is coordinated by becoming buckle joint 7, various tubing strings can be connected, upper design is common 27/8" tubing thread
Type, can connect plug valve or other rig tools, not affect shaft mouth operation；Design pipe nipple is of convenient length, and different rig floors are not using
With the pipe nipple of length, pipe nipple can be stored on rig floor at ordinary times, convenient lifting is used.
Claims (6)
1. it is a kind of it is universal it is anti-on alter pipe nipple, it is characterised in that including the top connection (1) and pipe nipple sheet that are sequentially connected from top to bottom
Body (6)；Regulation sheath (5) is set with the outside of the nipple body (6) also；Under regulation sheath (5) upper inner diameter is more than
Portion's internal diameter and ring-shaped step is formed with reducing, regulation sheath (5) top is set with by locking mechanism and is fixed on
On the outside of the top connection (1), and the top connection (1) low side is press-fitted on the ring-shaped step adjusted on the inside of sheath (5).
2. it is according to claim 1 it is universal it is anti-on alter pipe nipple, it is characterised in that also including being set with and be fastened on institute
The bottom variable buckle (7) of nipple body (6) Basolateral is stated, bottom variable buckle (7) lower outer diameter is less than top external diameter, described
Connection external screw thread is additionally provided with lower outer diameter.
3. it is according to claim 1 it is universal it is anti-on alter pipe nipple, it is characterised in that open on the top connection (1) outer wall
At least one groove is provided with, the through hole with the groove insertion on the wall of regulation sheath (5) side, is offered；The locking mechanism
Including the compression spring (4), spring catch (3) and spring capping (2) that are set gradually from the groove-bottom from inside to outside, the spring
Gland (2) insulates the compression spring (4), spring catch (3) in the groove；The spring catch (3) is including tabletting and certainly
The cylinder to be formed is extended axially upward at the tabletting end face center, the institute under the elastic force effect of the compression spring (4)
State spring catch (3) upper cylinder to stretch out from the central through hole of the spring capping (2) and be installed on regulation sheath (5)
In through hole on the wall of side.
4. it is according to claim 1 it is universal it is anti-on alter pipe nipple, it is characterised in that the top connection (1) is sleeved on described
On the outside of nipple body (6), and the top connection (1) bottom is gradually inwardly punctured into taper, the tapered portion outer wall and axis
Between angle be 18 °.
5. it is according to claim 1 it is universal it is anti-on alter pipe nipple, it is characterised in that the internal diameter of the top connection (1) is
62mm, external diameter are 105mm, and top is processed as button-type for 27/8 " flat button；It is described adjust sheath (5) external diameter be
114mm；The external diameter of the nipple body (6) is 73mm.
6. it is according to claim 1 it is universal it is anti-on alter pipe nipple, it is characterised in that it is described it is universal it is anti-on alter the total of pipe nipple
Length is 4～5.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064129.XU CN206091893U (en) | 2016-09-19 | 2016-09-19 | On preventing, general type scurries nipple joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621064129.XU CN206091893U (en) | 2016-09-19 | 2016-09-19 | On preventing, general type scurries nipple joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206091893U true CN206091893U (en) | 2017-04-12 |
Family
ID=58478905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621064129.XU Expired - Fee Related CN206091893U (en) | 2016-09-19 | 2016-09-19 | On preventing, general type scurries nipple joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206091893U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010079A (en) * | 2017-04-24 | 2017-08-04 | 广西百色矿山机械厂有限公司 | Dislodging structure, people's chair lift and overhead manned equipment multiplied using the dislodging structure |
| CN108150120A (en) * | 2018-03-09 | 2018-06-12 | 中海石油(中国)有限公司湛江分公司 | A kind of feeding casing back-off joint combination unit and operating method |
| CN111922222A (en) * | 2020-07-07 | 2020-11-13 | 中车唐山机车车辆有限公司 | Binding clip conversion device of pipe bender |
-
2016
- 2016-09-19 CN CN201621064129.XU patent/CN206091893U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010079A (en) * | 2017-04-24 | 2017-08-04 | 广西百色矿山机械厂有限公司 | Dislodging structure, people's chair lift and overhead manned equipment multiplied using the dislodging structure |
| CN108150120A (en) * | 2018-03-09 | 2018-06-12 | 中海石油(中国)有限公司湛江分公司 | A kind of feeding casing back-off joint combination unit and operating method |
| CN111922222A (en) * | 2020-07-07 | 2020-11-13 | 中车唐山机车车辆有限公司 | Binding clip conversion device of pipe bender |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211008 Address after: 100007 No. 9 North Main Street, Dongcheng District, Beijing, Dongzhimen Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |