CN210483623U - Internal thread protection plug of petroleum drill collar - Google Patents
Internal thread protection plug of petroleum drill collar Download PDFInfo
- Publication number
- CN210483623U CN210483623U CN201921531595.8U CN201921531595U CN210483623U CN 210483623 U CN210483623 U CN 210483623U CN 201921531595 U CN201921531595 U CN 201921531595U CN 210483623 U CN210483623 U CN 210483623U
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- drill collar
- internal thread
- end cover
- thread protection
- oil drill
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Abstract
The utility model belongs to the technical field of drill collar internal thread protection, especially, be an oil drill collar internal thread protection end cap, which comprises an end cover, one side of apron is provided with the barrel, the inner wall of barrel is provided with the sealing washer, one side of barrel is provided with the annular groove, one side of annular groove is provided with the toper guide post, the surface of toper guide post is provided with the taper thread. Through the end cover that sets up, when using oil drill collar internal thread protection end cap to install and seal drill collar internal thread port department, can be more convenient, swift to drill collar internal thread port department install the operation of oil drill collar internal thread protection end cap, be provided with anti-skidding stripe simultaneously in the side of end cover, can be through the anti-skidding stripe that sets up more enough be convenient for hard more when installing or dismantling oil drill collar internal thread protection end cap.
Description
Technical Field
The utility model belongs to the technical field of drill collar internal thread protection, concretely relates to oil drill collar internal thread protection end cap.
Background
The drill collar is positioned at the lowest part of a drill string and is a main component of a lower drilling tool assembly, and the drill collar is mainly characterized in that the wall thickness is large, generally 38-53 mm, which is equal to 4-6 times of the wall thickness of a drill rod, the drill collar has larger gravity and rigidity, a hanging slot and a slip groove can be processed on the outer surface of an internal thread of the drill collar in order to facilitate the drilling work, the drill collar can be stressed in various directions in the drilling process, the stress condition is complex, and the drill collar is not only stressed by tension, torsion and bending, but also can bear the action of comprehensive stress such as internal pressure, external pressure, thermal cycle damage and the like in the drilling process.
When the drill collar is used, the internal thread of the drill collar is the weakest part in the drill collar structure, once the internal thread structure of the drill collar is damaged, the engineering progress of drilling engineering can be seriously influenced, and the internal thread of the drill collar has poor strength, in the transportation process, the drill collar internal thread is easily damaged by conditions of collision, extrusion, friction and the like, once the internal threads of the drill collar are damaged, the drill collar can be influenced in the using process and even can be scrapped wholly, the internal threads of the existing oil drill collar are mainly protected by a protective cover matched with the internal threads of the drill collar, but the protective cover has higher hardness, when the protective cover is installed between the drill collar internal threads, acting force between the protective cover and the drill collar internal threads is large, and deformation is easily caused to the internal threads, so that the use precision of the drill collar is reduced.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an oil drill collar internal thread protection end cap has solved the problem that current drill collar internal thread easily received the damage.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil drill collar internal thread protection end cap, includes the end cover, one side of apron is provided with the barrel, the inner wall of barrel is provided with the sealing washer, one side of barrel is provided with the annular groove, one side of annular groove is provided with the toper guide post, the surface of toper guide post is provided with the toper screw thread.
Preferably, the end cover is of a regular hexagon structure, and the side faces of the end cover are provided with anti-skid stripes.
Preferably, the end cover is made of a metal material.
Preferably, the cylinder, the tapered guide post and the tapered thread are all made of rubber materials.
Preferably, the surface of the end cap is galvanized.
Preferably, the cylinder and the conical guide post are of an integral structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. this oil drill collar internal thread protection end cap, through the end cover that sets up, when using oil drill collar internal thread protection end cap to install the seal to drill collar internal thread port department, can be more convenient, swift to drill collar internal thread port department install the operation of oil drill collar internal thread protection end cap, be provided with anti-skidding stripe in the side of end cover simultaneously, can install or dismantle oil drill collar internal thread protection end cap more enough exerting oneself more when the anti-skidding stripe that sets up, anti-skidding stripe can play certain guard action to the end cover simultaneously, can play certain wearability to oil drill collar internal thread protection end cap survey surface at frequent installation with the in-process of dismantling, make oil drill collar internal thread protection end cap can carry out the use repeatedly, improve the life of oil drill collar internal thread protection end cap.
2. This oil drill collar internal thread protection end cap, sealing washer through barrel inner wall setting, can be when installing drill collar one end the sealing washer can be better laminate with the drill collar surface, the material of sealing washer is the rubber material texture softer, can not cause the damage to the surface of drill collar when lieing in the drill collar laminating, can be inseparabler of laminating when installing the drill collar through the sealing washer that sets up, make the installation of oil drill collar internal thread protection end cap difficult for droing, one end at the toper guide post is equipped with the toper structure, the toper structure that sets up can be more convenient installs, be equipped with the toper screw thread on the surface of toper guide post, the toper screw thread can be installed with drill collar screw-thread fit when the installation, the material of toper guide post and toper screw thread is rubber material, can not cause the damage to the drill collar internal thread when lieing in drill collar screw-thread fit.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a first three-dimensional structure diagram of the present invention;
FIG. 2 is a second perspective structural view of the present invention;
fig. 3 is a front view of the present invention;
fig. 4 is a sectional view of the three-dimensional structure of the present invention.
In the figure: 1, end cover; 2, anti-skid stripes; 3, a cylinder body; 4, sealing rings; 5, an annular groove; 6, a conical guide post; 7 tapered thread.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: an oil drill collar internal thread protection plug comprises an end cover 1, when the oil drill collar internal thread protection plug is used for installing and sealing a drill collar internal thread port, the operation of installing the oil drill collar internal thread protection plug can be more convenient and quicker, a cylinder 3 is arranged on one side of the cover plate 1, a sealing ring 4 is arranged on the inner wall of the cylinder 3, the sealing ring 4 can be better attached to the surface of a drill collar when the drill collar end is installed through the sealing ring 4 arranged on the inner wall of the cylinder 3, the sealing ring 4 is made of a rubber material and is softer, the surface of the drill collar cannot be damaged when the drill collar is attached, the attachment of the drill collar is tighter through the arranged sealing ring 4, so that the installation of the oil drill collar internal thread protection plug is not easy to fall off, an annular groove 5 is arranged on one side of the cylinder 3, one side of annular groove 5 is provided with toper guide post 6, the surface of toper guide post 6 is provided with toper screw thread 7, be equipped with the toper structure in the one end of toper guide post 6, the toper structure that sets up can be more convenient installs, be equipped with toper screw thread 7 on the surface of toper guide post 6, toper screw thread 7 can be installed when the installation with drill collar screw-thread fit, the material of toper guide post 6 and toper screw thread 7 is rubber materials, can not cause the damage to the drill collar internal thread when lieing in drill collar screw-thread fit.
Specifically, the end cover 1 is of a regular hexagon structure, the side faces of the end cover 1 are provided with anti-slip stripes 2, the anti-slip stripes 2 are arranged on the side faces of the end cover 1, the anti-slip stripes 2 can exert force more conveniently when the oil drill collar internal thread protection plug is installed or disassembled, meanwhile, the anti-slip stripes 2 can play a certain protection role on the end cover 1, certain wear resistance can be achieved on the surface of the oil drill collar internal thread protection plug end cover 1 in the process of frequent installation and disassembly, the oil drill collar internal thread protection plug can be repeatedly used, and the service life of the oil drill collar internal thread protection plug is prolonged.
Specifically, the end cover 1 is made of a metal material, and the end cover 1 is made of the metal material, so that the wear-resisting performance of the end cover 1 can be too high, and the end cover 1 can be repeatedly disassembled and assembled.
Specifically, the barrel 3, the conical guide column 6 and the conical thread 7 are made of rubber materials, and the barrel 3, the conical guide column 6 and the conical thread 7 are made of rubber materials, so that the drill collar internal thread cannot be damaged when the drill collar internal thread end is installed.
Specifically, the surface of the end cover 1 is galvanized, and the galvanized surface of the end cover 1 can be used for achieving a more attractive and anti-corrosion effect.
Specifically, the barrel 3 and the conical guide column 6 are of an integral structure, and the protective plug can be more firmly mounted at the inner thread of the drill collar through the integral structure, so that the protective effect is good.
The utility model discloses a theory of operation and use flow: the utility model discloses after installing, through rotating apron 1 and cooperate the installation with barrel 3 and drill collar internal thread, end cover 1 is regular hexagon structure, the surface of end cover 1 carries out the galvanizing treatment, through the processing of carrying out the galvanizing treatment on end cover 1 surface, can play more pleasing to the eye effect of rust-resistant corrosion, the side of end cover 1 all is provided with anti-skidding stripe 2, the material of end cover 1 is metal material, end cover 1 through setting up is metal material, can be too high end cover 1's wear-resisting performance, make end cover 1 can carry out the dismouting of carrying on repeatedly, be provided with anti-skidding stripe 2 in end cover 1's side, anti-skidding stripe 2 through setting up can be in the installation or dismantle oil drill collar internal thread protection end cap more enough more hard of being convenient for when the end cover, anti-skidding stripe 2 can play certain guard action to end cover 1 simultaneously, can play certain wear-resisting wear to oil drill collar internal thread protection end cover 1 side survey surface at frequent installation and the in-process of dismantling, certain wear- The oil drill collar internal thread protection plug can be repeatedly used, the service life of the oil drill collar internal thread protection plug is prolonged, the barrel 3 is rotationally wrapped on the surface of the drill collar internal thread, the inner wall of the barrel 3 is provided with the sealing ring 4, the sealing ring 4 is made of a rubber material and is soft in texture, the surface of the drill collar cannot be damaged when the drill collar is attached, the oil drill collar internal thread protection plug can be attached more tightly when the drill collar is attached through the arranged sealing ring 4, the oil drill collar internal thread protection plug is not easy to fall off, one side of the barrel 3 is provided with the annular groove 5, the annular groove 5 can be clamped with a drill collar port, the protection plug is more stably installed, one side of the annular groove 5 is provided with the conical guide column 6, one end of the conical guide column 6 is provided with the conical structure, the arranged conical structure can be installed more conveniently, the surface of the conical guide column 6 is provided with the conical thread 7, the conical thread 7 can be installed in a way of being matched with the drill collar thread during installation, the conical guide column 6 and the conical thread 7 are made of rubber materials, and the drill collar thread matching can not damage the drill collar internal thread.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an oil drill collar internal thread protection end cap, includes end cover (1), its characterized in that: one side of end cover (1) is provided with barrel (3), the inner wall of barrel (3) is provided with sealing washer (4), one side of barrel (3) is provided with annular groove (5), one side of annular groove (5) is provided with toper guide post (6), the surface of toper guide post (6) is provided with toper screw thread (7).
2. The internal thread protection plug of an oil drill collar as claimed in claim 1, wherein: the end cover (1) is of a regular hexagon structure, and anti-skid stripes (2) are arranged on the side faces of the end cover (1).
3. The internal thread protection plug of an oil drill collar as claimed in claim 1, wherein: the end cover (1) is made of a metal material.
4. The internal thread protection plug of an oil drill collar as claimed in claim 1, wherein: the barrel (3), the conical guide column (6) and the conical threads (7) are all made of rubber materials.
5. The internal thread protection plug of an oil drill collar as claimed in claim 1, wherein: and the surface of the end cover (1) is galvanized.
6. The internal thread protection plug of an oil drill collar as claimed in claim 1, wherein: the cylinder body (3) and the conical guide column (6) are of an integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531595.8U CN210483623U (en) | 2019-09-16 | 2019-09-16 | Internal thread protection plug of petroleum drill collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921531595.8U CN210483623U (en) | 2019-09-16 | 2019-09-16 | Internal thread protection plug of petroleum drill collar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210483623U true CN210483623U (en) | 2020-05-08 |
Family
ID=70540225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921531595.8U Active CN210483623U (en) | 2019-09-16 | 2019-09-16 | Internal thread protection plug of petroleum drill collar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210483623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664536A (en) * | 2020-12-16 | 2021-04-16 | 芜湖通和汽车管路系统股份有限公司 | Nut protection plug cap structure for automobile pipeline |
-
2019
- 2019-09-16 CN CN201921531595.8U patent/CN210483623U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112664536A (en) * | 2020-12-16 | 2021-04-16 | 芜湖通和汽车管路系统股份有限公司 | Nut protection plug cap structure for automobile pipeline |
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