CN202673173U - Double-shoulder gas-sealing threaded joint for casing tube with tube outer diameter of 200.03mm - Google Patents
Double-shoulder gas-sealing threaded joint for casing tube with tube outer diameter of 200.03mm Download PDFInfo
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- CN202673173U CN202673173U CN 201220254357 CN201220254357U CN202673173U CN 202673173 U CN202673173 U CN 202673173U CN 201220254357 CN201220254357 CN 201220254357 CN 201220254357 U CN201220254357 U CN 201220254357U CN 202673173 U CN202673173 U CN 202673173U
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- box cupling
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- coupling
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Abstract
The utility model discloses a double-shoulder gas-sealing threaded joint for a casing tube with a tube outer diameter of 200.03mm, wherein external casing-tube thread joints are processed on both ends of a casing tube body; barb-shaped external threads are processed on the external casing-tube thread joints; barb-shaped internal threads matched with the barb-shaped external threads are processed on both sides of a casing-tube coupling, respectively; an external thread joint of the tube body is connected with the coupling by the barb-shaped threads; right-angled secondary shoulders of the coupling are processed on both sides of the middle of the casing-tube coupling, respectively; a metal sealing cone of the coupling is processed between two right-angled secondary shoulders of the coupling; an inclined-plane primary shoulder of the coupling is processed between two metal sealing cones of the coupling; an inclined-plane primary shoulder of the external threaded joint matched with the inclined-plane primary shoulder of the coupling and a metal sealing cone of the external threaded joint matched with the metal sealing cone of the coupling are processed on the external threaded joints on both ends of the tube body, respectively; and right-angled secondary shoulders of the external threaded joints matched with the right-angled secondary shoulders of the coupling are processed on the inner sides of the two metal sealing cones of the external threaded joints, respectively.
Description
Technical field
The utility model belongs to petroleum casing pipe or attachment technique field, and being specifically related to the body external diameter is the air-tight seal screw joint sleeve pipe of 200.03mm.
Background technology
In order to satisfy the needs of In Oil Field Exploration And Development, and save cost, some oil field need to be lowered in the 241.3mm well 200.03mm air-tight seal screw joint sleeve pipe of non-standard specification.But, do not have the air-tight seal screw joint of this specification in the existing standard.Air-tight seal screw joint is the weak link of sleeve pipe, and whether the air-tight seal screw joint sleeve pipe of the 200.03mm of non-standard specification can satisfy requirement of engineering, and key is air-tight seal screw joint design and processing.
The 200.03mm air-tight seal screw joint sleeve pipe of current design and processing non-standard specification and the technical problem of annex are still a large technical barrier of sleeve pipe processing enterprise.
Summary of the invention
The body external diameter that technical problem to be solved in the utility model is to provide a kind of reasonable in design, easy maintenance, satisfy on-the-spot applying working condition is the two shoulder hermetic sealing nipples of sleeve pipe of 200.03mm.
Solving the problems of the technologies described above the technical scheme that adopts is: the body external diameter is 200.03mm, external surface is processed with respectively the sleeve external thread joint at sleeve pipe body two ends, be processed with external screw thread on the sleeve external thread joint, the casing coupling both sides are processed with respectively the internal thread with sleeve external thread joint coupling, thread connection is passed through in sleeve external thread joint and casing coupling female adapter, the casing coupling external diameter is 218.65mm～222.25mm, minimum length is 299.72mm, bore diameter is 204.23mm, the bearing surface width is 6.01～7.81mm, between the internal thread of both sides, casing coupling middle part, process respectively a box cupling right angle slave station shoulder, between takeing on, process respectively two box cupling right angle slave stations the box cupling metal sealing conical surface of the dead in line of an axis and casing coupling, process respectively box cupling inclined-plane master's shoulder between two box cupling metal sealing conical surfaces, the sleeve external thread joint at sleeve pipe body two ends is processed respectively the male connection inclined-plane master's shoulder and the male connection metal sealing conical surface that is complementary with the box cupling metal sealing conical surface that are complementary with box cupling inclined-plane master's shoulder, two male connection metal sealing conical surface inboards process respectively a male connection right angle slave station shoulder that is complementary with box cupling right angle slave station shoulder, it is characterized in that: the external screw thread of processing on the described sleeve external thread joint is barb-shaped external screw thread, and the internal thread with sleeve external thread joint coupling of casing coupling both sides processing is barb-shaped internal thread.
The geometric parameter of the barb-shaped internal thread of both sides processing is in the casing coupling of the present utility model: tapering is 1: 16, and pitch is every 25.4mm5 button screw thread, and thread depth is 1.875mm, and screw thread spigot surface tooth form angle is 10 °, and screw thread bearing surface tooth form angle is-3 °.
The barb-shaped externally threaded geometric parameter of processing on the sleeve external thread joint of the present utility model is: tapering is 1: 16, and pitch is every 25.4mm5 button screw thread, and thread depth is 1.575mm, and screw thread spigot surface tooth form angle is 10 °, and screw thread bearing surface tooth form angle is-3 °.
Two box cupling right angle slave station shoulders of the present utility model are vertical with the axis of casing coupling, and two box cupling metal sealing conical surfaces are the conical surface of opposite direction, and tapering is that the axis angle of 1: 1.3～1.7, two box cupling inclined-plane master's shoulders and casing coupling is 70 °～80 °; Male connection inclined-plane master's shoulder and the angle between the sleeve external thread joint axis of described sleeve external thread joint are 70 °～80 °, male connection metal sealing conical degree of conical surface is 1: 1.3～1.7, and slave station shoulder in male connection right angle is vertical with the axis of sleeve external thread joint.
The tapering of the box cupling metal sealing conical surface of the present utility model is identical with the tapering of the male connection metal sealing conical surface.
The utlity model has reasonable in design, easy maintenance, satisfy the advantages such as field working conditions, can be that non-standard sleeve pipe and the annex of 200.03mm uses at the body external diameter.
Description of drawings
Fig. 1 is the half-sectional view of casing coupling 1 and sleeve external thread joint 2.
Fig. 2 is the local enlarged diagram of Fig. 1 middle sleeve box cupling 1.
Fig. 3 is the local enlarged diagram of Fig. 1 middle sleeve male connection 2.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1,2,3, the body external diameter of the present embodiment is that the two shoulder hermetic sealing nipples of the sleeve pipe of 200.03mm are made of casing coupling 1 and 2 connections of sleeve external thread joint.
In casing coupling 1 both sides, be processed with respectively barb-shaped internal thread, sleeve pipe body two ends are processed with respectively sleeve external thread joint 2, sleeve external thread joint 2 external surfaces are processed with external screw thread, external screw thread is barb-shaped external screw thread, casing coupling 1 and sleeve external thread joint 2 are by barb-shaped thread connection, and the sleeve pipe specification after the present embodiment casing coupling 1 and 2 assemblings of sleeve external thread joint is 200.03mm.
The barb-shaped internal thread geometric parameter of casing coupling 1 is: tapering is 1: 16, and pitch is every 25.4mm5 button screw thread, and thread depth is 1.875mm, and screw thread spigot surface tooth form angle is 10 °, and screw thread bearing surface tooth form angle is-3 °; The external diameter of casing coupling 1 is that 222.25mm, minimum length are that 299.72mm, box cupling bore diameter are that the width of 204.23mm, box cupling bearing surface is 7.81mm.
Process respectively 3, two box cupling right angles of slave station shoulder, box cupling right angle slave station shoulder 3 between the barb-shaped internal thread in casing coupling 1 both sides vertical with the axis of casing coupling 1.Processing respectively 4, two box cupling metal sealings of box cupling metal sealing conical surface conical surface 4 between casing coupling 1 interior two box cupling right angle slave station shoulders 3 is the conical surface of opposite direction, and its tapering is 1: 1.7, the dead in line of axis and casing coupling 1.The axis angle of processing respectively 5, two box cupling inclined-planes of master's shoulder, box cupling inclined-plane master's shoulder 5 and casing coupling 1 between casing coupling 1 interior two box cupling metal sealing conical surfaces 4 is 75 °.
The casing pipe external surface of the present embodiment is processed with the sleeve external thread joint 2 that is complementary with casing coupling 1 female adapter, external screw thread on the sleeve external thread joint 2 is barb-shaped external screw thread, the barb-shaped external thread parameter of sleeve external thread joint 2 is: tapering is 1: 16, pitch is every 25.4mm5 button screw thread, thread depth is 1.575mm, screw thread spigot surface tooth form angle is 10 °, and screw thread bearing surface tooth form angle is-3 °.
Process respectively male connection inclined-plane master's shoulder 8 and a male connection metal sealing conical surface 7 that is complementary with the box cupling metal sealing conical surface 4 that is complementary with box cupling inclined-plane master's shoulder 5 on the sleeve external thread joint 2 at sleeve pipe body two ends, angle between male connection inclined-plane master's shoulder 8 and sleeve external thread joint 2 axis is 75 °, the tapering of the male connection metal sealing conical surface 7 is 1: 1.7, two the male connection metal sealing conical surface 7 inboards process respectively a male connection right angle slave station shoulder 6 that is complementary with box cupling right angle slave station shoulder 3, and slave station shoulder 6 in male connection right angle is vertical with the axis of sleeve external thread joint 2.Casing coupling 1 connects with sleeve external thread joint 2 by barb-shaped internal thread, box cupling inclined-plane master's shoulder 5 cooperates with male connection inclined-plane master's shoulder 8 after the location, the box cupling metal sealing conical surface 4 and the male connection metal sealing conical surface 7 contacts can guarantee the requirement of air seal, when torque wrench moment increases to a certain degree, box cupling right angle slave station shoulder 3 begins to contact with male connection right angle slave station shoulder 6, can prevent box cupling inclined-plane master's shoulder 5 and male connection inclined-plane master's shoulder 8 excessive deformations, guarantee the joint sealing performance.
Embodiment 2
Casing coupling 1 external diameter of the present embodiment is that 218.65mm, minimum length are that 299.72mm, bore diameter are that the width of 204.23mm, bearing surface is 6.01mm.The tapering of the box cupling metal sealing conical surface 4 is 1: 1.3, and box cupling inclined-plane master's shoulder 5 is 70 ° with the axis angle of casing coupling 1.Angle between male connection inclined-plane master's shoulder 8 and sleeve external thread joint 2 axis is 70 °, and the male connection metal sealing conical surface 7 taperings are 1: 1.3, and slave station shoulder 6 in male connection right angle is vertical with the center line of sleeve external thread joint 2.Other parameter of casing coupling 1 and sleeve external thread joint 2 is identical with embodiment 1.Can guarantee the joint sealing performance equally.
Casing coupling 1 external diameter of the present embodiment is that 222.25mm, minimum length are that 299.72mm, bore diameter are that 204.23mm, bearing surface width are 7.81mm.The tapering of the casing coupling metal sealing conical surface 4 is 1: 1.5, and box cupling inclined-plane master's shoulder 5 is 80 ° with the axis angle of casing coupling 1.Angle between male connection inclined-plane master's shoulder 8 and sleeve external thread joint 2 axis is 80 °, and the male connection metal sealing conical surface 7 taperings are 1: 1.5, and slave station shoulder 6 in male connection right angle is vertical with the center line of sleeve external thread joint 2.Other parameter of casing coupling 1 and sleeve external thread joint 2 is identical with embodiment 1.Can guarantee the joint sealing performance equally.
Claims (5)
1. a body external diameter two shoulder hermetic sealing nipples of sleeve pipe that are 200.03mm, the body external diameter is 200.03mm, external surface is processed with respectively sleeve external thread joint (2) at sleeve pipe body two ends, the sleeve external thread joint is processed with external screw thread on (2), casing coupling (1) both sides are processed with respectively the internal thread with sleeve external thread joint (2) coupling, sleeve external thread joint (2) passes through thread connection with casing coupling (1) female adapter, casing coupling (1) external diameter is 218.65mm～222.25mm, minimum length is 299.72mm, bore diameter is 204.23mm, the bearing surface width is 6.01～7.81mm, between the internal thread of both sides, casing coupling (1) middle part, process respectively a box cupling right angle slave station shoulder (3), process respectively the box cupling metal sealing conical surface (4) of the dead in line of an axis and casing coupling (1) between two box cupling right angle slave station shoulders (3), process respectively box cupling inclined-plane master's shoulder (5) between two box cupling metal sealing conical surfaces (4), the sleeve external thread joint (2) at sleeve pipe body two ends is processed respectively the male connection inclined-plane master's shoulder (8) and the male connection metal sealing conical surface (7) that is complementary with the box cupling metal sealing conical surface (4) that are complementary with box cupling inclined-plane master's shoulder (5), two male connection metal sealing conical surfaces (7) inboard processes respectively a male connection right angle slave station shoulder (6) that is complementary with box cupling right angle slave station shoulder (3), it is characterized in that: the external screw thread of the upper processing of described sleeve external thread joint (2) is barb-shaped external screw thread, and the internal thread with sleeve external thread joint (2) coupling of casing coupling (1) both sides processing is barb-shaped internal thread.
2. body external diameter according to claim 1 two shoulder hermetic sealing nipples of sleeve pipe that are 200.03mm, the geometric parameter that it is characterized in that the barb-shaped internal thread of described casing coupling (1) interior both sides processing is: tapering is 1: 16, pitch is every 25.4mm5 button screw thread, thread depth is 1.875mm, screw thread spigot surface tooth form angle is 10 °, and screw thread bearing surface tooth form angle is-3 °.
3. body external diameter according to claim 1 two shoulder hermetic sealing nipples of sleeve pipe that are 200.03mm, the barb-shaped externally threaded geometric parameter that it is characterized in that the upper processing of described sleeve external thread joint (2) is: tapering is 1: 16, pitch is every 25.4mm5 button screw thread, thread depth is 1.575mm, screw thread spigot surface tooth form angle is 10 °, and screw thread bearing surface tooth form angle is-3 °.
4. body external diameter according to claim 1 two shoulder hermetic sealing nipples of sleeve pipe that are 200.03mm, it is characterized in that: described two box cupling right angle slave station shoulders (3) are vertical with the axis of casing coupling (1), two box cupling metal sealing conical surfaces (4) are the conical surface of opposite direction, tapering is that the axis angle of 1: 1.3～1.7, two box cupling inclined-plane master's shoulders (5) and casing coupling (1) is 70 °～80 °; Angle between male connection inclined-plane master's shoulder (8) of described sleeve external thread joint (2) and sleeve external thread joint (2) axis is 70 °～80 °, the male connection metal sealing conical surface (7) tapering is 1: 1.3～1.7, and male connection right angle slave station shoulder (6) is vertical with the axis of sleeve external thread joint (2).
5. body external diameter according to claim 4 two shoulder hermetic sealing nipples of sleeve pipe that are 200.03mm, it is characterized in that: the tapering of the described box cupling metal sealing conical surface (4) is identical with the tapering of the male connection metal sealing conical surface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220254357 CN202673173U (en) | 2012-05-31 | 2012-05-31 | Double-shoulder gas-sealing threaded joint for casing tube with tube outer diameter of 200.03mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220254357 CN202673173U (en) | 2012-05-31 | 2012-05-31 | Double-shoulder gas-sealing threaded joint for casing tube with tube outer diameter of 200.03mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673173U true CN202673173U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220254357 Expired - Fee Related CN202673173U (en) | 2012-05-31 | 2012-05-31 | Double-shoulder gas-sealing threaded joint for casing tube with tube outer diameter of 200.03mm |
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| Country | Link |
|---|---|
| CN (1) | CN202673173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715322A (en) * | 2016-09-29 | 2019-05-03 | 京瓷株式会社 | The manufacturing method of cutting element and the machined object using the cutting element |
-
2012
- 2012-05-31 CN CN 201220254357 patent/CN202673173U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715322A (en) * | 2016-09-29 | 2019-05-03 | 京瓷株式会社 | The manufacturing method of cutting element and the machined object using the cutting element |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20140531 |