CN209799882U - Long-life high-strength large-water-hole drill rod device - Google Patents
Long-life high-strength large-water-hole drill rod device Download PDFInfo
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- CN209799882U CN209799882U CN201920164293.5U CN201920164293U CN209799882U CN 209799882 U CN209799882 U CN 209799882U CN 201920164293 U CN201920164293 U CN 201920164293U CN 209799882 U CN209799882 U CN 209799882U
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Abstract
The utility model discloses a big water hole drilling rod device of long-life high strength, including drilling rod external thread joint, drilling rod internal thread joint and drilling rod body, the drilling rod body with between the drilling rod external thread joint and the drilling rod body with all connect through the mode of friction butt welding between the drilling rod internal thread joint. The long-life high-strength large-water-hole drill rod device provided by the utility model has the advantages that the diameter of the water hole is increased, the drilling efficiency is improved, and the energy consumption is reduced; the residual wall thickness of the thread tooth bottom is increased by improving the pitch diameter of the thread, so that the connection strength and the performance of the thread are improved; the length of the external thread joint is increased, the use times of the drill rod are improved, and the service life of the drill rod is prolonged.
Description
Technical Field
The utility model relates to a drilling rod equipment technical field, concretely relates to big water hole drilling rod device of long-life high strength.
Background
With the increasing difficulty of oil and gas exploitation, the drill rod is required to have better quality performance. Meanwhile, the requirements of modern drilling technology on the improvement of the drilling speed and efficiency are continuously increased, higher requirements on the circulation speed of mud are provided, and the technical performance and the structural size of the API standard drill rod cannot meet the requirements on the improvement of the drilling speed and the efficiency. Therefore, in order to meet the requirements of high discharge capacity, high drilling speed, high strength and long service life, the non-API high-strength large-water-hole drill rod structure with long service life and high strength is designed, and the drill rod structure has very important significance for improving the drilling efficiency, reducing the energy consumption, improving the performance of the drill rod and prolonging the service life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a big water hole drilling rod device of long-life high strength solves one or more among the above-mentioned prior art problem.
According to the utility model discloses a big water hole drilling rod device of long-life high strength, including drilling rod external thread joint, drilling rod internal thread joint and drilling rod body, the drilling rod body with between the drilling rod external thread joint and the drilling rod body with all connect through the mode of friction butt welding between the drilling rod internal thread joint.
the long-life high-strength large-water-hole drill rod device provided by the utility model has the advantages that the diameter of the water hole is increased, the drilling efficiency is improved, and the energy consumption is reduced; the residual wall thickness of the thread tooth bottom is increased by improving the pitch diameter of the thread, so that the connection strength and the performance of the thread are improved; the length of the external thread joint is increased, the use times of the drill rod are improved, and the service life of the drill rod is prolonged.
In some embodiments, a single-shoulder external thread is arranged at the end of the drill rod external thread joint, a single-shoulder internal thread is arranged at the end of the drill rod internal thread joint, the single-shoulder external thread and the single-shoulder internal thread are both in a V-0.038R flat-top round-bottom triangular tooth form, the taper of the single-shoulder external thread and the taper of the single-shoulder internal thread are equal and are both 1: 4-1: 8, and the thread pitches of the single-shoulder external thread and the single-shoulder internal thread are equal and are both 4-6 teeth/inch.
In some embodiments, the drill pipe pin joint has a cross-sectional area inner diameter of: 80-90 mm.
In some embodiments, the drill pipe body has a cross-sectional area and an inner diameter of: 95-105 mm.
In some embodiments, the maximum outer diameter of the cross section of the drill pipe male connector and the drill pipe female connector are equal and are both 170-175 mm.
In some embodiments, the tapers of the drill pipe box and the drill pipe box are equal and are both 1: 4-1: 8.
In some embodiments, the thread pitches of the drill pipe male and female thread joints are equal and are both 4-6 threads/inch.
In some embodiments, the length of the drill pipe male connector is 420-440 mm, and the length of the drill pipe female connector is 405-430 mm.
In some embodiments, the pitch diameters of the single-shoulder external thread of the drill pipe external thread joint and the single-shoulder internal thread of the drill pipe internal thread joint are both 129-142 mm.
in some embodiments, the drill pipe pin, the drill pipe body, and the box are all steel having a parent metal strength greater than or equal to 125000 psi. Just adopting this type, make the intensity of whole drilling rod harder, increase its life.
The invention has the advantages that: the structure is simple, the design is reasonable, the diameter of a water hole is increased, the water horsepower loss is reduced, the drilling efficiency is improved, and the energy consumption is reduced; the residual wall thickness of the thread tooth bottom is increased by improving the pitch diameter of the thread, so that the connection strength and the overall performance of the thread are improved; the length of the external thread joint is increased, the use times of the drill rod are improved, and the service life of the drill rod is prolonged.
Drawings
Fig. 1 is a schematic structural view of a long-life high-strength large-water-hole drill rod device according to an embodiment of the present invention;
Fig. 2 is a schematic structural diagram of an internal thread joint of a long-life high-strength large-water-hole drill rod device according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of an external thread joint of a long-life high-strength large-water-hole drill rod device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1-3, a big water hole drilling rod device of long-life high strength, including drilling rod external thread joint (2), drilling rod internal thread joint (5) and drilling rod body (3), drilling rod body (3) with between drilling rod external thread joint (2) and drilling rod body (3) with all connect through the mode of friction butt welding between drilling rod internal thread joint (5).
The friction butt welding is a method of heating and melting friction surfaces by using friction heat generated by mutual friction between thermoplastic plastics, pressurizing and cooling the friction surfaces to connect the friction surfaces together, and has the welding efficiency of 30-70 percent and high efficiency of large dynamic friction coefficient.
the long-life high-strength large-water-hole drill rod device provided by the utility model has the advantages that the diameter of the water hole is increased, the drilling efficiency is improved, and the energy consumption is reduced; the residual wall thickness of the thread tooth bottom is increased by improving the pitch diameter of the thread, so that the connection strength and the performance of the thread are improved; the length of the external thread joint is increased, the use times of the drill rod are improved, and the service life of the drill rod is prolonged.
the end part of the drill rod external thread joint (2) is provided with a single-shoulder external thread (1), the end part of the drill rod internal thread joint (5) is provided with a single-shoulder internal thread (6), the single-shoulder external thread (1) and the single-shoulder internal thread (6) are both in a V-0.038R flat-top round-bottom triangular tooth form, the tapers of the single-shoulder external thread (1) and the single-shoulder internal thread (6) are equal and are both 1: 4-1: 8, and the pitches of the single-shoulder external thread and the single-shoulder internal thread are equal and are both 4-6 teeth/inch.
The cross-sectional area and the inner diameter of the drill rod external thread joint (2) are as follows: 80-90 mm.
The inner diameter of the cross-sectional area of the drill pipe body (3) is as follows: 95-105 mm.
The maximum outer diameters of the cross sections of the drill rod external thread joint (2) and the drill rod internal thread joint (5) are equal and are 170-175 mm.
The conicity of the drill rod external thread joint (2) and the drill rod internal thread joint (5) is equal and is 1:4 to 1: 8.
The screw pitches of the drill rod external thread joint (2) and the drill rod internal thread joint (5) are equal and are 4-6 teeth/inch.
The length of the drill rod external thread joint (2) is 420-440 mm, and the length of the drill rod internal thread joint (5) is 405-430 mm.
The pitch diameters of the single-shoulder external thread (1) of the drill rod external thread joint (2) and the single-shoulder internal thread (6) of the drill rod internal thread joint (5) are 129-142 mm.
the drill rod external thread joint (2), the drill rod pipe body (3) and the internal thread joint (5) are all made of steel materials with base material strength larger than or equal to 125000 psi.
Example 1
In the embodiment, the long-life high-strength large-water-hole drill rod structure at least comprises an external thread joint (2), an internal thread joint (5) and a drill rod pipe body (3), and the drill rod pipe body (3) and the drill rod external thread joint (2) and the drill rod pipe body (3) and the drill rod female internal thread joint (5) are connected in a friction butt welding (4) mode.
The inner diameter of the cross-sectional area of the drill pipe body (3) is as follows: 100mm, external thread joint (2) and interior screwed joint (5) are through tapering threaded connection, and the biggest external diameter of the cross section of drilling rod external thread joint (2) and drilling rod interior screwed joint (5) equals and is 172mm, and the top cross section internal diameter of drilling rod external thread joint (2) is 88.9mm, has increased the drilling rod internal diameter under this internal diameter, and the length of drilling rod external thread joint (2) is 430mm, and the length of drilling rod interior screwed joint (5) is 415 mm.
For the single-shoulder external thread (1) and the single-shoulder internal thread (5), V-0.038R flat-top round-bottom triangular thread forms are adopted, the thread pitches are 5 threads/inch, and the taper is 1: 6, the middle diameter is 129-142 mm.
The drill pipe external thread joint (2), the drill pipe body (3) and the internal thread joint (5) are all made of steel with the base material strength equal to 125000psi, and the large-water-hole drill pipe structure is designed for a pipe body with the diameter of 139.7 mm.
The invention has the advantages that: the structure is simple, the design is reasonable, the diameter of a water hole is increased, the water horsepower loss is reduced, the drilling efficiency is improved, and the energy consumption is reduced; the residual wall thickness of the thread tooth bottom is increased by improving the pitch diameter of the thread, so that the connection strength and the overall performance of the thread are improved; the length of the external thread joint is increased, the use times of the drill rod are improved, and the service life of the drill rod is prolonged.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, similar modifications and improvements can be made without departing from the inventive concept of the present invention, and these are also considered to be within the protection of the present invention.
Claims (10)
1. The utility model provides a big water hole drilling rod device of long-life high strength, its characterized in that, includes drilling rod external thread joint (2), drilling rod internal thread joint (5) and drilling rod body (3), drilling rod body (3) with between drilling rod external thread joint (2) and drilling rod body (3) with all connect through the mode of friction butt welding between drilling rod internal thread joint (5).
2. The long-life high-strength large-water-hole drill rod device as claimed in claim 1, wherein a single-shoulder external thread (1) is arranged at the end of the drill rod external thread joint (2), a single-shoulder internal thread (6) is arranged at the end of the drill rod internal thread joint (5), the single-shoulder external thread (1) and the single-shoulder internal thread (6) both adopt V-0.038R flat-top round-bottom triangular tooth shapes, the tapers of the single-shoulder external thread (1) and the single-shoulder internal thread (6) are equal and are both 1: 4-1: 8, and the pitches of the single-shoulder external thread and the single-shoulder internal thread are equal and are both 4-6 teeth/inch.
3. The long-life high-strength large-water-hole drill pipe device as recited in claim 1, wherein the cross-sectional inner diameter of the drill pipe male connector (2) is: 80-90 mm.
4. The long-life high-strength large-water-hole drill rod device as claimed in claim 1, wherein the cross-sectional area inner diameter of the drill rod pipe body (3) is: 95-105 mm.
5. The long-life high-strength large-water-hole drill pipe device as recited in claim 1, wherein the maximum outer diameters of the cross sections of the drill pipe male connector (2) and the drill pipe female connector (5) are equal and are 170-175 mm.
6. The long-life high-strength large-water-hole drill pipe device as recited in claim 1, wherein the taper of the drill pipe male connector (2) and the taper of the drill pipe female connector (5) are equal and are both 1: 4-1: 8.
7. The long-life high-strength large-water-hole drill pipe device as recited in claim 1, wherein the thread pitches of the drill pipe male connector (2) and the drill pipe female connector (5) are equal and are 4-6 threads/inch.
8. The long-life high-strength large-water-hole drill pipe device as recited in claim 1, wherein the length of the drill pipe male connector (2) is 420-440 mm, and the length of the drill pipe female connector (5) is 405-430 mm.
9. The long-life high-strength large-water-hole drill pipe device as recited in claim 1, wherein the pitch diameters of the single-shoulder male thread (1) of the drill pipe male connector (2) and the single-shoulder female thread (6) of the drill pipe female connector (5) are 129-142 mm.
10. The long-life high-strength large-water-hole drill pipe device as claimed in claim 1, wherein the drill pipe male connector (2), the drill pipe body (3) and the female connector (5) are made of steel materials with a base material strength of 125000psi or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164293.5U CN209799882U (en) | 2019-01-30 | 2019-01-30 | Long-life high-strength large-water-hole drill rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164293.5U CN209799882U (en) | 2019-01-30 | 2019-01-30 | Long-life high-strength large-water-hole drill rod device |
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| Publication Number | Publication Date |
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| CN209799882U true CN209799882U (en) | 2019-12-17 |
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| CN201920164293.5U Active CN209799882U (en) | 2019-01-30 | 2019-01-30 | Long-life high-strength large-water-hole drill rod device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555486A (en) * | 2019-01-30 | 2019-04-02 | 南通永大管业股份有限公司 | A kind of long-life high-intensitive big hydrophthalmia boring rod set |
-
2019
- 2019-01-30 CN CN201920164293.5U patent/CN209799882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555486A (en) * | 2019-01-30 | 2019-04-02 | 南通永大管业股份有限公司 | A kind of long-life high-intensitive big hydrophthalmia boring rod set |
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