CN201255279Y - Non-coupling straight connecting oil conduit - Google Patents
Non-coupling straight connecting oil conduit Download PDFInfo
- Publication number
- CN201255279Y CN201255279Y CNU2008201722630U CN200820172263U CN201255279Y CN 201255279 Y CN201255279 Y CN 201255279Y CN U2008201722630 U CNU2008201722630 U CN U2008201722630U CN 200820172263 U CN200820172263 U CN 200820172263U CN 201255279 Y CN201255279 Y CN 201255279Y
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- CN
- China
- Prior art keywords
- oil pipe
- ladder lock
- side ladder
- oil
- tubing interface
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a direct connection type collar-less oil pipe. The structure of the oil pipe is as follows: one end of the oil pipe is an oil pipe port; the other end of the oil pipe is an oil pipe joint; the oil pipe port is provided with an internal buttress thread; the oil pipe joint is provided with an external buttress thread matched with the internal buttress thread of the oil pipe port; anti-torsion shoulders are respectively arranged at the oil pipe port and the oil pipe joint; and the shape of the oil pipe port is matched with the shape of the oil pipe joint. The direct connection type collar-less oil pipe has the advantages of reasonable design, simple structure and easy processing and fabrication. Since the oil pipe is provided with the anti-torsion shoulders and the buttress threads, the connection strength between two oil pipes is high, and the sealing property is good. While the quality of well cementation is increased, the inner diameter is increased as large as possible, so that the inner diameter of the oil pipe can be increased, which can help increase operation efficiency and reduce the cost. The tubing construction operation of the direct connection type collar-less oil pipe is convenient.
Description
Technical field
The utility model relates to oil field operation technique with the apparatus field, specifically a kind of no box cupling direct linkage type oil pipe.
Background technique
Demand along with oil industry rapid development and market, the Placement of products such as employed beam hanger, oil pipe is in present stage in the oil field operation process, and general API standard or other industry standard can not satisfy the demand of modern work production.According to the needs of putting into practice operation of oil drilling or other types, must could satisfy modern more high efficiency, high-quality enforcement work production by its beam hanger, oil pipe etc. are made particular design.Especially oil pipe, the oil pipe joint of prior art is in order to reach certain join strength and sealing effect and can't overcome technological points and have to add outer shoulder, and the oil pipe outer diameter is a fixed outer diameter according to standard, so such design has reduced pipe aperture, have to select the oil pipe of small dimension to carry out operation, inefficiency, cost and consumptive material are excessive.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of no box cupling direct linkage type oil pipe is provided.
The technical solution of the utility model realizes in the following manner, this no box cupling direct linkage type oil pipe, its structure is that this oil pipe one end is a tubing interface, the other end is an oil connection, tubing interface is provided with inclined to one side ladder lock internal thread, oil connection is provided with the inclined to one side ladder lock outside thread that the inclined to one side ladder lock internal thread with tubing interface matches, and tubing interface and oil connection place are provided with antitorque shoulder respectively, and tubing interface shape and oil connection shape match.
Oil connection is taper.
The tapering of taper oil connection is 1: 16.
The inclined to one side ladder lock outside thread pitch of oil connection is 5 button inclined to one side ladder lock/inches.
The inclined to one side ladder lock internal thread of tubing interface is that the pitch that the inclined to one side ladder lock outside thread with oil connection matches is the inclined to one side ladder lock internal thread of 5 button inclined to one side ladder lock/inches.
The beneficial effect that the utility model is compared with prior art produced is:
This no box cupling direct linkage type oil pipe is reasonable in design, simple in structure, is easy to manufacturing, and antitorque shoulder and ladder lock screw thread partially are with in the design of this oil pipe, and such design makes join strength height between oil pipe and the oil pipe, and sealability can be good; When improving cementing quality, thereby its internal diameter of big raising of trying one's best improves pipe aperture, helps improving operating efficiency, reduces cost; The oil pipe constructing operation that removes of this no box cupling direct linkage type oil pipe makes things convenient for.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the cross-sectional view of A-A in the accompanying drawing 1;
Accompanying drawing 3 is two Placement schematic representation that no box cupling direct linkage type oil pipe is connected of the present utility model.
Mark in the accompanying drawing is represented respectively:
1, tubing interface, 2, ladder lock internal thread partially, 3, ladder lock outside thread partially, 4, oil connection, 5, antitorque shoulder.
Embodiment
Below in conjunction with accompanying drawing no box cupling direct linkage type oil pipe of the present utility model is done following detailed description the in detail.
Shown in accompanying drawing 1,2,3, no box cupling direct linkage type oil pipe of the present utility model, its structure is that this oil pipe one end is a tubing interface 1, and the other end is an oil connection 4, and oil connection is 1: 16 taper joint of tapering.Tubing interface 1 shape and oil connection 4 shapes match.Tubing interface 1 is provided with inclined to one side ladder lock internal thread 2, and oil connection 4 is provided with the inclined to one side ladder lock outside thread 3 that the inclined to one side ladder lock internal thread 2 with tubing interface 1 matches.The inclined to one side ladder lock outside thread pitch of oil connection 4 is five button inclined to one side ladder lock/inches.The inclined to one side ladder lock internal thread 2 of tubing interface 1 is that the pitch that the inclined to one side ladder lock outside thread 3 with oil connection 4 matches is the inclined to one side ladder lock internal thread 2 of five button inclined to one side ladder lock/inches.Tubing interface 1 and oil connection 4 places are provided with antitorque shoulder 5 respectively.
Claims (5)
1, no box cupling direct linkage type oil pipe, it is characterized in that this oil pipe one end is a tubing interface, the other end is an oil connection, tubing interface is provided with inclined to one side ladder lock internal thread, oil connection is provided with the inclined to one side ladder lock outside thread that the inclined to one side ladder lock internal thread with tubing interface matches, tubing interface and oil connection place are provided with antitorque shoulder respectively, and tubing interface shape and oil connection shape match.
2, no box cupling direct linkage type oil pipe according to claim 1 is characterized in that oil connection is taper.
3, no box cupling direct linkage type oil pipe according to claim 2, the tapering that it is characterized in that the taper oil connection is 1:16.
4, no box cupling direct linkage type oil pipe according to claim 1, the inclined to one side ladder lock outside thread pitch that it is characterized in that oil connection are 5 button inclined to one side ladder lock/inches.
5, according to claim 1 or 4 described no box cupling direct linkage type oil pipes, the inclined to one side ladder lock internal thread that it is characterized in that tubing interface is that the pitch that the inclined to one side ladder lock outside thread with oil connection matches is the inclined to one side ladder lock internal thread of 5 button inclined to one side ladder lock/inches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201722630U CN201255279Y (en) | 2008-09-25 | 2008-09-25 | Non-coupling straight connecting oil conduit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201722630U CN201255279Y (en) | 2008-09-25 | 2008-09-25 | Non-coupling straight connecting oil conduit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201255279Y true CN201255279Y (en) | 2009-06-10 |
Family
ID=40738597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201722630U Expired - Lifetime CN201255279Y (en) | 2008-09-25 | 2008-09-25 | Non-coupling straight connecting oil conduit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201255279Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046875A (en) * | 2012-12-25 | 2013-04-17 | 江苏和信石油机械有限公司 | Prospection drill rod with ultralarge caliber in 12-3/4 inches |
| CN103046876A (en) * | 2012-12-25 | 2013-04-17 | 江苏和信石油机械有限公司 | Prospection drill rod with ultralarge caliber in 11-1/4 inches |
| CN103292080A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline with taper-thread structures |
-
2008
- 2008-09-25 CN CNU2008201722630U patent/CN201255279Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103046875A (en) * | 2012-12-25 | 2013-04-17 | 江苏和信石油机械有限公司 | Prospection drill rod with ultralarge caliber in 12-3/4 inches |
| CN103046876A (en) * | 2012-12-25 | 2013-04-17 | 江苏和信石油机械有限公司 | Prospection drill rod with ultralarge caliber in 11-1/4 inches |
| CN103046875B (en) * | 2012-12-25 | 2015-09-09 | 马斯特钻探工程（常州）有限公司 | A kind of 12-3/4 super large caliber Prospection drill rod |
| CN103292080A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Petroleum pipeline with taper-thread structures |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090610 |
|
| CX01 | Expiry of patent term |