CN215256066U - High-pressure sealing blowout-preventing drill rod - Google Patents
High-pressure sealing blowout-preventing drill rod Download PDFInfo
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- CN215256066U CN215256066U CN202121425037.0U CN202121425037U CN215256066U CN 215256066 U CN215256066 U CN 215256066U CN 202121425037 U CN202121425037 U CN 202121425037U CN 215256066 U CN215256066 U CN 215256066U
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- male joint
- drilling rod
- rod body
- drill rod
- mounting hole
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Abstract
The utility model belongs to the technical field of the drilling rod technique and specifically relates to a high-pressure seal prevents spouting drilling rod, including the drilling rod body, the through-hole has been seted up to one side of public joint, well casing has been seted up to one side of drilling rod body, the drilling rod body is kept away from the one end in well casing and has been seted up public joint connection thread groove, the mounting hole has been seted up to the one end in public joint connection thread groove, the one end that public joint connection thread groove was kept away from to the mounting hole has seted up threaded mounting hole, the inner wall threaded connection of threaded mounting hole has prevents spouting adapter sleeve, prevent spouting adapter sleeve's one side and seted up the mounting groove, the inside of drilling rod body is equipped with single current ball, the inner wall fixedly connected with anti-drop sieve of drilling rod body. The utility model discloses on the basis of ordinary drilling rod, set up sealed and reverse sealing device, solved the implementation that is difficult to satisfy the water conservancy measure and drilling rod gas when the dress pole moves back the pole and cause the shortcoming of the condition of leaking in the middle of the drilling rod easily.
Description
Technical Field
The utility model relates to a drilling rod technical field especially relates to a high-pressure seal prevents spouting drilling rod.
Background
The drill rod is a steel pipe with threads at the tail part and is used for connecting surface equipment of a drilling machine and drilling and grinding equipment or a bottom hole device at the bottom end of a drilled well. The purpose of the drill pipe is to carry drilling mud to the drill bit and, together with the drill bit, raise, lower or rotate the bottom hole assembly. The drill pipe must be able to withstand large internal and external pressures, twists, bends and vibrations. In the process of oil and gas exploitation and extraction, the drill pipe can be used for multiple times. The drill rods are divided into a kelly, a drill rod and a weighted drill rod.
The sealing effect of the drill rod in the current market is poor under the ultrahigh pressure working state, the implementation of hydraulic measures is difficult to meet, the coal seam air permeability is poor, the gas extraction amount is reduced, the drill rod is difficult to carry out single-flow control and reverse sealing, and gas is easy to leak from the middle of the drill rod when the drill rod is installed and retreated.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a high-pressure seal prevents spouting drilling rod has sealed and reverse seal function and has solved the implementation that is difficult to satisfy the water conservancy measure and the drilling rod and the shortcoming that the gas caused the condition of leaking in the middle of the drilling rod easily when the dress pole moves back the pole.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high-pressure seal prevents spouting drilling rod, includes the drilling rod body, the one end fixedly connected with male joint of drilling rod body, the thread groove has been seted up on the surface of male joint, the fixed surface of male joint is connected with sealing device, the through-hole has been seted up to one side of male joint, the cavity groove has been seted up to one side of drilling rod body, the drilling rod body is kept away from the one end in cavity groove and has been seted up male joint thread groove, the mounting hole has been seted up to the one end in male joint thread groove, the one end that the male joint thread groove was kept away from to the mounting hole has seted up threaded mounting hole, the inner wall threaded connection of threaded mounting hole has prevents spouting connecting sleeve, prevent spouting connecting sleeve's one side and seted up the mounting groove, the inside of drilling rod body is equipped with single current ball, the inner wall fixedly connected with anti-drop sieve of drilling rod body.
Preferably, the length of the drill rod body is millimeter, and the diameter of the drill rod body is millimeter.
Preferably, the drill rod body and the male joint form a whole through friction welding, and the number of the sealing devices is at least two.
Preferably, the shape of the single-flow ball is in a spherical shape, and the surface of the blowout prevention connecting sleeve is movably inserted into the inner wall of the mounting hole.
Preferably, the diameter of one side, close to the drill rod body, of the male joint is larger than that of one side, far away from the drill rod body, of the male joint, and the diameter of one side, close to the drill rod body, of the through hole is smaller than that of one side, far away from the drill rod body, of the through hole.
Preferably, the surface of the male joint is in threaded connection with the inner wall of the connecting thread groove of the male joint, and the diameter of the single-flow ball is larger than that of the inner wall of the blowout prevention connecting sleeve.
Compared with the prior art, the beneficial effects of the utility model reside in that: through the cooperation of the male joint, the connecting thread groove, the sealing device and the male joint connecting thread groove, the two drill rod bodies can be conveniently in sealing connection, the sealing effect of the drill rod in an ultrahigh pressure working state can be conveniently improved, the implementation of hydraulic measures can be conveniently met, the coal seam air permeability can be improved, the gas extraction quantity can be increased, the blowout prevention connecting sleeve can be conveniently installed through the arrangement of the mounting hole, the thread mounting hole and the mounting groove, the single-flow control and reverse sealing of the drill rod can be conveniently realized through the cooperation of the blowout prevention connecting sleeve, the single-flow ball and the anti-drop sieve, the single-flow leakage condition caused by the gas in the middle of the drill rod when the drill rod is installed and retreated is reduced, the connection part of the drill rod body and the male joint is more hard and stable through the arrangement of the drill rod body and the male joint, the cooperation of the spherical ball and the blowout prevention connecting sleeve is more excellent, the sealing performance of the single-flow control and reverse sealing process is more excellent.
The parts of the device not involved are the same as or can be implemented using prior art.
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 structural front view of a high-pressure sealing blowout prevention drill pipe provided by the present invention;
FIG. 2 is a front sectional view of the high-pressure sealing blowout prevention drill pipe according to the present invention;
fig. 3 is an enlarged view of a structure at a position a of the high-pressure sealing blowout prevention drill rod provided by the utility model;
fig. 4 is a front view of the blowout-preventing connection sleeve structure of the high-pressure sealing blowout-preventing drill pipe provided by the utility model.
In the figure: the anti-drop drill pipe comprises a drill pipe body 1, a male joint 2, a connecting thread groove 3, a sealing device 4, a through hole 5, a hollow groove 6, a connecting thread groove 7 of the male joint, a mounting hole 8, a threaded mounting hole 9, a blowout prevention connecting sleeve 10, a mounting groove 11, a uniflow ball 12 and an anti-drop screen 13.
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, a high-pressure sealing blowout-preventing drill rod comprises a drill rod body 1, a male joint 2 is fixedly connected to one end of the drill rod body 1, a connecting thread groove 3 is formed in the surface of the male joint 2, a sealing device 4 is fixedly connected to the surface of the male joint 2, a through hole 5 is formed in one side of the male joint 2, a hollow groove 6 is formed in one side of the drill rod body 1, a male joint connecting thread groove 7 is formed in one end, away from the hollow groove 6, of the drill rod body 1, a mounting hole 8 is formed in one end of the male joint connecting thread groove 7, a threaded mounting hole 9 is formed in one end, away from the male joint connecting thread groove 7, of the mounting hole 8, a blowout-preventing connecting sleeve 10 is in threaded connection with the inner wall of the threaded mounting hole 9, a mounting groove 11 is formed in one side of the blowout-preventing connecting sleeve 10, a single-flow ball 12 is arranged inside the drill rod body 1, and an anti-falling sieve 13 is fixedly connected to the inner wall of the drill rod body 1.
Specifically, the length of the drill rod body 1 is 1000 mm, and the diameter of the drill rod body 1 is 73 mm.
Specifically, the drill rod body 1 and the male joint 2 form a whole through friction welding, and the number of the sealing devices 4 is at least two.
Specifically, the single-flow ball 12 is in a spherical shape, and the surface of the blowout prevention connecting sleeve 10 is movably inserted into the inner wall of the mounting hole 8.
Specifically, the diameter of the male joint 2 close to one side of the drill rod body 1 is larger than the diameter of the male joint 2 far away from one side of the drill rod body 1, and the diameter of the through hole 5 close to one side of the drill rod body 1 is smaller than the diameter of the through hole 5 far away from one side of the drill rod body 1.
Specifically, the surface of the male connector 2 is screwed with the inner wall of the male connector connecting thread groove 7, and the diameter of the single flow ball 12 is larger than that of the inner wall of the blowout prevention connecting sleeve 10.
The utility model discloses an application principle and use flow: through the matching of the male joint 2, the connecting thread groove 3, the sealing device 4 and the male joint connecting thread groove 7, the two drill rod bodies 1 can be conveniently in sealing connection, the sealing effect of the drill rod under the ultrahigh pressure working state can be conveniently improved, the implementation of hydraulic measures can be conveniently met, the coal seam air permeability can be improved, the gas extraction quantity can be increased, the blowout prevention connecting sleeve 10 can be conveniently installed through the arrangement of the mounting hole 8, the thread mounting hole 9 and the mounting groove 11, the single-flow control and reverse sealing can be conveniently performed on the drill rod through the matching of the blowout prevention connecting sleeve 10, the single-flow ball 12 and the anti-drop sieve 13, the situation that gas is easy to leak from the middle of the drill rod when the drill rod is installed and retreated is reduced, the drill rod body 1 and the male joint 2 are integrally formed through friction welding, so that the connection part of the drill rod body 1 and the male joint 2 is firmer and more stable, the spherical single-flow ball 12 is matched with the blowout prevention connecting sleeve 10 more excellently, so that the sealing performance of the blowout prevention connecting sleeve in the single-flow control and reverse sealing processes is more excellent.
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 high-pressure sealing blowout-preventing drill rod comprises a drill rod body (1) and is characterized in that one end of the drill rod body (1) is fixedly connected with a male joint (2), a connecting thread groove (3) is formed in the surface of the male joint (2), a sealing device (4) is fixedly connected with the surface of the male joint (2), a through hole (5) is formed in one side of the male joint (2), a hollow groove (6) is formed in one side of the drill rod body (1), a male joint connecting thread groove (7) is formed in one end, away from the hollow groove (6), of the drill rod body (1), a mounting hole (8) is formed in one end of the male joint connecting thread groove (7), a threaded mounting hole (9) is formed in one end, away from the male joint connecting thread groove (7), of the mounting hole (8), and a blowout-preventing connecting sleeve (10) is in threaded connection with the inner wall of the threaded mounting hole (9), one side of the blowout prevention connecting sleeve (10) is provided with a mounting groove (11), a single-flow ball (12) is arranged inside the drill rod body (1), and the inner wall of the drill rod body (1) is fixedly connected with an anti-falling sieve (13).
2. The high pressure seal blowout prevention drill pipe according to claim 1, wherein the length of the drill pipe body (1) is 1000 mm, and the diameter of the drill pipe body (1) is 73 mm.
3. The high pressure seal blowout prevention drill pipe according to claim 1, wherein the drill pipe body (1) and the male joint (2) are formed into a whole by friction welding, and the number of the sealing devices (4) is at least two.
4. The high-pressure sealing blowout-preventing drill pipe as recited in claim 1, characterized in that the single-flow ball (12) is in a shape of a round ball, and the surface of the blowout-preventing connecting sleeve (10) is movably inserted into the inner wall of the mounting hole (8).
5. The high-pressure seal blowout-preventing drill pipe according to claim 1, wherein the diameter of the side, close to the drill pipe body (1), of the male joint (2) is larger than the diameter of the side, far away from the drill pipe body (1), of the male joint (2), and the diameter of the side, close to the drill pipe body (1), of the through hole (5) is smaller than the diameter of the side, far away from the drill pipe body (1), of the through hole (5).
6. The high-pressure seal blowout prevention drill pipe according to claim 1, wherein the surface of the male joint (2) is in threaded connection with the inner wall of the male joint connection thread groove (7), and the diameter of the single-flow ball (12) is larger than that of the inner wall of the blowout prevention connection sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425037.0U CN215256066U (en) | 2021-06-25 | 2021-06-25 | High-pressure sealing blowout-preventing drill rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121425037.0U CN215256066U (en) | 2021-06-25 | 2021-06-25 | High-pressure sealing blowout-preventing drill rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215256066U true CN215256066U (en) | 2021-12-21 |
Family
ID=79483700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121425037.0U Active CN215256066U (en) | 2021-06-25 | 2021-06-25 | High-pressure sealing blowout-preventing drill rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215256066U (en) |
-
2021
- 2021-06-25 CN CN202121425037.0U patent/CN215256066U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314400 Haining China Light Textile Science and Technology Industrial Park, Jiaxing City, Zhejiang Province Patentee after: Zhejiang coal (Zhejiang) intelligent drilling equipment Co.,Ltd. Address before: 314400 Haining China Light Textile Science and Technology Industrial Park, Jiaxing City, Zhejiang Province Patentee before: Qianjiang Prospecting Machinery Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |