CN206220880U - Stepless angle-variable bent short joint for gas drilling - Google Patents
Stepless angle-variable bent short joint for gas drilling Download PDFInfo
- Publication number
- CN206220880U CN206220880U CN201621243523.XU CN201621243523U CN206220880U CN 206220880 U CN206220880 U CN 206220880U CN 201621243523 U CN201621243523 U CN 201621243523U CN 206220880 U CN206220880 U CN 206220880U
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- Prior art keywords
- curved
- ring flange
- screw
- screw ring
- nipple
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- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 210000002445 nipple Anatomy 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000013049 sediment Substances 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 abstract description 11
- 239000004576 sand Substances 0.000 abstract 6
- 239000007789 gas Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000007937 lozenge Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a curved nipple joint of stepless change angle for gas drilling, including curved nipple joint body, screw ring flange and sealing disc, curved nipple joint body both ends are the fixed sealing disc that is provided with respectively, and screw ring flange cover is established on curved nipple joint body, and screw ring flange internal diameter is greater than curved nipple joint body external diameter, and curved nipple joint body passes through the screw ring flange with the sand discharge pipeline and is connected the back, and sealing disc is located between the screw ring flange on the curved nipple joint body and the screw ring flange on the sand discharge pipeline, and the screw ring flange seal cooperation on sealing disc and the sand discharge pipeline. The utility model discloses a function continuous, stepless adjustment sand discharge pipeline moves towards can be fast with sand discharge pipeline connection outside the well field to reach and shorten sand discharge pipeline installation operation cycle, practice thrift installation cost's purpose.
Description
Technical field
The utility model is related to a kind of gas drilling curved pipe nipple of stepless angle, is mainly used in gas in oil and gas well drilling
Body drilling well, belongs to drilling well（Probing）Field of engineering technology.
Background technology
Gas drilling is a kind of drilling mode using gas as circulatory mediator, compared with conventional drilling liquid drilling well, gas
Well drilling well bottom pressure is far below shaft bottom head of liquid, and negative pressure is remained in drilling process, realizes under balance pressure drilling.Gas is bored
The new technology that well develops and grows up at home as the eighties in 20th century, forms dry gas drilling well（Air, nitrogen）, atomization
Drilling well, foam drilling and the big agent technology of air-filling well-drilling four, with raising rate of penetration, administer severe well leakage, discovery and protection
The advantages such as reservoir.In recent years, each oil gas field is widely applied at home, and obtains applications well effect.
During gas drilling operation, sediment outflow pipeline is connected using flange in well site, preferably straight to connect out outside well site.But,
Often because of field condition limitation（Put including rig substructure structure and ground installation）, it is necessary to using the curved pipe nipple of sediment outflow pipeline come
Adjustment sediment outflow pipeline trend, can just pick out outside well site.However, the existing curved pipe nipple of sediment outflow pipeline secures certain angle
Bent sub, it is impossible to which radially 360 ° arbitrarily rotate, therefore cannot play a part of stepless transformation angle.At present, installed in sediment outflow pipeline
Period, through frequently with tentative connection method, occur now and then the phenomenon for mounting and dismounting repeatedly, this just considerably increases installation
Activity duration, the thing followed is just the increase in operating personnel's cost and crane cost of use, and serious even can cause rig
Etc. stopping, extend the consequence of drilling period.
The content of the invention
The purpose of this utility model is the above mentioned problem for overcoming prior art to exist, there is provided a kind of gas drilling is with stepless
The curved pipe nipple of angle.The utility model realize continuously, stepless changing sediment outflow pipeline trend function, can quickly by sediment outflow pipeline
Connect out outside well site, the sediment outflow pipeline installation exercise cycle is shortened so as to reach, save the purpose of installation cost.
To achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of gas drilling curved pipe nipple of stepless angle, it is characterised in that：Including curved nipple body, screw ring flange and close
Envelope disk, the curved nipple body two ends are fixedly installed sealed disc respectively, and screw ring flange is set in curved nipple body,
Screw ring flange internal diameter is more than curved nipple body external diameter, close after curved nipple body is connected with sediment outflow pipeline by screw ring flange
Envelope disk is located between the screw ring flange on the screw ring flange and sediment outflow pipeline in curved nipple body, and sealed disc and row
Screw flangeseal on sandpipe line coordinates.
Wedge-shaped steel ring slot is provided with the sealed disc outer surface, steel ring, sealed disc are provided with wedge-shaped steel ring slot
Coordinated by the screw flangeseal on steel ring and sediment outflow pipeline.
The curved nipple body middle part is provided with 90 °~180 ° of corner.
The outer surface of the corner is welded with additional thickness portion.
The curved nipple body two ends are provided with screw thread screw thread, and sealed disc is fixed with curved nipple body by screw thread and connected
Connect.
12 screws are uniformly distributed on the screw ring flange, screw runs through screw ring flange.
Using the utility model has the advantage of：
1st, the curved pipe nipple of stepless angle that the utility model is related to has the few and easy to process spy of simple structure, parts
Point.
2nd, the curved pipe nipple installation operation of stepless angle that the utility model is related to is convenient, can be with existing a whole set of sediment outflow pipeline
Support the use.
3rd, the curved nipple body of stepless angle that the utility model is related to is processed using 244.5mm sleeve pipes, can be significantly
The internal pressure strength of sediment outflow pipeline is lifted, so as to ensure that the security of gas drilling operation.
4th, the outer corner of the curved nipple body of stepless angle that the utility model is related to employs external upset (EU) treatment, Ke Yiyou
The abrasion resistance of the curved pipe nipple of effect lifting, extends use time.
5th, screwed connection is used between the utility model is related to the curved nipple body of stepless angle and two ends sealed disc, can
Effectively to strengthen the fixing of the sealing between body and sealed disc and connection.
6th, sealed using steel ring between the utility model is related to the curved pipe nipple of stepless angle and other common sediment outflow pipelines, and
Steel ring slot and steel ring are contacted using lozenges, considerably increase sealing area, can effectively strengthen the sealing between sediment outflow pipeline
Property.
7th, the curved pipe nipple of stepless angle that the utility model is related to can realize 360 ° of radial direction stepless transformation at any angle, therefore
Can be according to field condition, the trend of quick adjustment sediment outflow pipeline is unable to radial rotating without mounting and dismounting repeatedly
Curved pipe nipple realizes that this just substantially reduces the installation exercise cycle, also save installation cost.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the mplifying structure schematic diagram in A portions in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram in B portions in Fig. 1；
Fig. 4 is the utility model screw flange plate structure schematic diagram；
Fig. 5 is the structural representation that the utility model sealed disc is arranged in curved nipple body.
Marked in figure：1st, curved nipple body, 2, additional thickness portion, 3, screw ring flange, 4, sealed disc, 5, wedge-shaped steel
Ring recess, 6, screw thread, 7, screw, 8, bolt, 9, nut, 10, steel ring, 11, sediment outflow pipeline.
Specific embodiment
Embodiment 1
A kind of gas drilling curved pipe nipple of stepless angle, including curved nipple body 1, screw ring flange 3 and sealed disc 4,
The two ends of curved nipple body 1 are fixedly installed sealed disc 4 respectively, and screw ring flange 3 is set in curved nipple body 1, spiral shell
The internal diameter of hole ring flange 3 is more than the external diameter of curved nipple body 1, and curved nipple body 1 is connected with sediment outflow pipeline 11 by screw ring flange 3
Afterwards, sealed disc 4 is located between the screw ring flange on the screw ring flange and sediment outflow pipeline 11 in curved nipple body 1, and close
Envelope disk 4 coordinates with the screw flangeseal on sediment outflow pipeline 11.
In the present embodiment, it is provided with the outer surface of the sealed disc 4 in wedge-shaped steel ring slot 5, wedge-shaped steel ring slot 5 and is provided with
Steel ring 10, sealed disc 4 is coordinated by steel ring 10 with the screw flangeseal on sediment outflow pipeline 11.
In the present embodiment, the middle part of the curved nipple body 1 is provided with 90 °~180 ° of corner.
In the present embodiment, the outer surface of the corner is welded with additional thickness portion 2.
In the present embodiment, the two ends of curved nipple body 1 are provided with screw thread screw thread, and sealed disc 4 is short with curved by screw thread 6
Abridged edition body 1 is fixedly connected.
In the present embodiment, 12 screws 7 are uniformly distributed on the screw ring flange 3, screw 7 runs through screw ring flange
3。
Embodiment 2
The curved pipe nipple of stepless angle that the utility model is related to can be used for dry gas drilling well（Air, nitrogen）, air-mist drilling,
The gas drilling technique such as foam drilling and air-filling well-drilling.The present embodiment combination accompanying drawing is described further to the utility model.
As illustrated, gas drilling includes the curved nipple body 1 of stepless angle, screw ring flange 3 with the curved pipe nipple of stepless angle
With the part of sealed disc 4 three.It is the sleeve pipe of J55 and N80 for 244.5mm, grade of steel that the curved nipple body 1 of sediment outflow pipeline uses size,
Intermediate portion processing is angled（Angular range is between 90 °~180 °）；Additionally, outside the stepless curved nipple body 1 of angle
Outer corner surface is welded with additional thickness portion 2, can greatly improve the abrasion resistance of curved pipe nipple, so that when extending the use of curved pipe nipple
Between；Furthermore, the stepless curved two ends of nipple body 1 of angle carry screw thread screw thread, are connected by screw thread 6 with sealed disc 4, so can be with
Effectively strengthen the fixing of the sealing and connection between curved nipple body and sealed disc.It is curved in connection, the stepless angle of fixation
Before nipple body 1 and sealed disc 4, first screw ring flange 3 is nested into the curved nipple body 1 of stepless angle, screw method
The internal diameter of blue disk 3 is slightly larger than the curved external diameter of nipple body 1 of stepless angle, so it can be in the curved nipple body 1 of stepless angle freely
Rotate and in axial direction move.It is uniform through distributed 12 screws 7 on screw ring flange 3, for penetrating bolt 8, spiral shell
The two ends of bolt 8 carry screw thread screw thread, and two ends penetrate nut 9, the curved pipe nipple of stepless angle are locked and fixed with nut 9 and other are arranged
Connection between sandpipe line 11, the sealing between the stepless curved pipe nipple of angle and other sediment outflow pipelines 11 is by being put into sealed disc
4 outer surfaces carry the steel ring 10 in wedge-shaped steel ring slot 5 to realize.
When the stepless curved pipe nipple of angle and other sediment outflow pipelines 11 are connected, the both ends of the surface of steel ring 10 first can be smeared a small amount of yellow
Oil, is then sticked in the wedge-shaped steel ring slot 5 of sealed disc 4, then 12 bolts 8 are penetrated into screw ring flange 3
In screw 7, and with the two ends of 9 fixing bolt of nut 8, but do not lock, then, according to field operation condition, rotate stepless angle curved
Nipple body 1, the need for slowly adjusting the radial rotating angle of curved pipe nipple to meet sediment outflow pipeline trend, determines curved pipe nipple
Radial rotating angle after, all nuts 9 are locked, can thus realize quickly sediment outflow pipeline being picked out the mesh outside well site
Mark, the sediment outflow pipeline installation exercise cycle is shortened so as to reach, and saves the purpose of installation cost.
The curved pipe nipple concrete operating principle of stepless angle that the utility model is related to is as follows：
Sealed disc 4 is sealed, be connected and is fixed together by screw thread 6 with the curved nipple body 1 of stepless angle, and screw method
Blue disk 3 is enclosed within the curved nipple body 1 of stepless angle, in " free " state, can freely be rotated and along curved pipe nipple axial direction
Direction moves freely.Sealing between the stepless curved pipe nipple of angle and other sediment outflow pipelines 11 is by being put into the appearance of sealed disc 4
Face carries the steel ring 10 in wedge-shaped steel ring slot 5 to realize；Connection between the stepless curved pipe nipple of angle and other sediment outflow pipelines 11
It is by bolt 8 of the two ends with screw thread screw thread through uniform 12 screws through distribution on screw ring flange 3 with fixation
7, and locked to complete with nut 9, before the locking of nut 9, the stepless curved pipe nipple of angle and other sediment outflow pipelines 11 can be
Relatively rotate, the purpose that sediment outflow pipeline moves towards needs is met so as to reach the radial rotating angle of the curved pipe nipple of step-less adjustment.
Claims (6)
1. a kind of gas drilling curved pipe nipple of stepless angle, it is characterised in that：Including curved nipple body, screw ring flange and sealing
Disk, the curved nipple body two ends are fixedly installed sealed disc respectively, and screw ring flange is set in curved nipple body, spiral shell
Hole ring flange internal diameter is more than curved nipple body external diameter, after curved nipple body is connected with sediment outflow pipeline by screw ring flange, sealing
Disk is located between the screw ring flange on the screw ring flange and sediment outflow pipeline in curved nipple body, and sealed disc and sediment outflow
Screw flangeseal on pipeline coordinates.
2. the gas drilling according to claim 1 curved pipe nipple of stepless angle, it is characterised in that：The sealed disc appearance
Wedge-shaped steel ring slot is provided with face, steel ring is provided with wedge-shaped steel ring slot, sealed disc is by the spiral shell on steel ring and sediment outflow pipeline
Hole flangeseal coordinates.
3. the gas drilling according to claim 2 curved pipe nipple of stepless angle, it is characterised in that：In the curved nipple body
Portion is provided with 90 °~180 ° of corner.
4. the gas drilling according to claim 3 curved pipe nipple of stepless angle, it is characterised in that：The outer surface of the corner
It is welded with additional thickness portion.
5. the gas drilling according to claim 4 curved pipe nipple of stepless angle, it is characterised in that：The curved nipple body two
End is provided with screw thread screw thread, and sealed disc is fixedly connected by screw thread with curved nipple body.
6. the gas drilling according to claim 5 curved pipe nipple of stepless angle, it is characterised in that：On the screw ring flange
12 screws are uniformly distributed, screw runs through screw ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243523.XU CN206220880U (en) | 2016-11-21 | 2016-11-21 | Stepless angle-variable bent short joint for gas drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243523.XU CN206220880U (en) | 2016-11-21 | 2016-11-21 | Stepless angle-variable bent short joint for gas drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220880U true CN206220880U (en) | 2017-06-06 |
Family
ID=58790025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243523.XU Active CN206220880U (en) | 2016-11-21 | 2016-11-21 | Stepless angle-variable bent short joint for gas drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206220880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756727A (en) * | 2021-09-10 | 2021-12-07 | 四川宏华石油设备有限公司 | Self-balancing telescopic rotary hard pipe connecting device and manifold system thereof |
-
2016
- 2016-11-21 CN CN201621243523.XU patent/CN206220880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113756727A (en) * | 2021-09-10 | 2021-12-07 | 四川宏华石油设备有限公司 | Self-balancing telescopic rotary hard pipe connecting device and manifold system thereof |
| CN113756727B (en) * | 2021-09-10 | 2024-02-27 | 四川宏华石油设备有限公司 | Self-balancing telescopic rotary hard pipe connecting device and manifold system thereof |
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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: 20200917 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Address before: Chenghua District Green Road 610051 Chengdu City, Sichuan province 1 No. 3 Chuanqing drilling Department of Science & Technology Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |