CN113638700A - High-performance thin-wall wire line coring drill rod for deep hole - Google Patents
High-performance thin-wall wire line coring drill rod for deep hole Download PDFInfo
- Publication number
- CN113638700A CN113638700A CN202111029892.4A CN202111029892A CN113638700A CN 113638700 A CN113638700 A CN 113638700A CN 202111029892 A CN202111029892 A CN 202111029892A CN 113638700 A CN113638700 A CN 113638700A
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- Prior art keywords
- joint
- female
- male
- drill rod
- rod
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Links
- 230000008719 thickening Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/042—Threaded
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a high-performance thin-wall rope coring drill rod for a deep hole, which relates to the technical field of drilling devices and comprises a rod body, wherein two ends of the rod body are thickened through integral inside and outside upsetting; the novel telescopic rod is characterized in that a male connector is arranged at one end of the rod body, a female connector is arranged at the other end of the rod body, and the male connector is matched with the female connector in size. The structural improvement of the high-performance thin-wall wire line coring drill rod which meets the requirements of wire line coring drilling process and 5000 m drilling strength is realized by controlling the pipe walls at the two ends of the drill rod to be thickened; the length difference between the threads of the male joint and the threads of the female joint is controlled, so that the axial loads borne by the threads at the two ends of the female joint and the male joint are equivalent; the outer surface of the joint adopts an octagonal structure, so that damage to the outer surface of the drill rod joint in the process of screwing on and unscrewing is reduced.
Description
Technical Field
The invention relates to the technical field of drilling devices, in particular to a high-performance thin-wall wire line coring drill rod for deep holes.
Background
The existing drill rod products mainly comprise an oil drill rod and a geological drill rod. The oil drill pipe cannot adapt to the process requirements of full-hole and small discharge capacity required by geological core drilling because the thickening amount of the inner diameter and the outer diameter of the drill pipe joint relative to the drill pipe body is too large; the geological drill rod cannot meet the requirement of 5000 meters of drilling depth on the strength of the drill rod due to insufficient thickening amount of the inner diameter and the outer diameter of the drill rod joint. Therefore, a drill rod structure is needed to be provided, which not only meets the requirement of the geological core drilling process, ensures the drilling and coring efficiency and saves the cost, but also meets the strength requirement of the drill rod with the drilling depth of 5000 meters.
Disclosure of Invention
In order to solve the technical problems, the invention provides the high-performance thin-wall rope coring drill rod for the deep hole, which not only meets the requirements of geological core drilling process, ensures drilling coring efficiency and saves cost, but also meets the strength requirements of 5000-meter drilling depth on the drill rod.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a high-performance thin-wall rope coring drill rod for a deep hole, which comprises a rod body, wherein two ends of the rod body are thickened through integral inside and outside upsetting; the novel telescopic rod is characterized in that a male connector is arranged at one end of the rod body, a female connector is arranged at the other end of the rod body, and the male connector is matched with the female connector in size.
Optionally, the inner and outer upsetting thickening amount of the two ends of the rod body is 0.5 times of the wall thickness of the rod body.
Optionally, the conicity Cone of the male joint and the female joint satisfies the following condition:
Do2-(d+2h)2＝[d-(L-2P)Cone]2-Di2；
wherein,
do is the width of the outer wall of the female joint;
d is the maximum inner diameter of the male connector;
h is the difference between the inner diameter and the outer diameter of the threads at the male joint and the female joint;
l is the length of the thread at the male joint or the female joint;
p is the thread pitch at the male joint or the female joint;
di is the width of the inner wall at the position of the male joint and the female joint.
Optionally, the thread length L of the female jointFemaleLength L of thread with said male jointPublicHas a length difference of DeltaL, LFemale-LPublicΔ L, and Δ L satisfies the equation:
that is to say that the first and second electrodes,
here, Cone ═ 2tan θ. Through the method, the force applied to the thread side surfaces of the large end and the small end is in direct proportion to the area of the side surfaces, and the surface force of the reaction force of the main shoulder surface and the auxiliary shoulder surface acting on the thread side surfaces is equivalent.
Optionally, the outer surfaces of the male connector and the female connector are octagonal structures.
Compared with the prior art, the invention has the following technical effects:
(1) the structural improvement of the high-performance thin-wall wire line coring drill rod which meets the requirements of wire line coring drilling process and 5000 m drilling strength is realized by controlling the pipe walls at the two ends of the drill rod to be thickened;
(2) the length difference between the threads of the male joint and the threads of the female joint is controlled, so that the axial loads borne by the threads at the two ends of the female joint and the male joint are equivalent;
(3) the outer surface of the joint adopts an octagonal structure, so that damage to the outer surface of the drill rod joint in the process of screwing on and unscrewing is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic cross-sectional structural view of a high-performance thin-wall wire line coring drill rod for deep holes according to the present invention;
FIG. 2 is a schematic view of a partial structure of a male joint of the high-performance thin-wall wire line coring drill rod for deep holes according to the present invention;
FIG. 3 is a schematic structural view of the male joint thread of the high-performance thin-wall wire line coring drill rod for deep holes of the present invention;
FIG. 4 is a schematic structural diagram of the outer walls of the male joint and the female joint in the high-performance thin-wall wire line coring drill rod for deep holes of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 4, the present embodiment provides a high-performance thin-wall rope coring drill rod for deep holes, which includes a rod body, wherein two ends of the rod body are thickened by 0.5 times through integral inside and outside upsetting; the utility model discloses a pole body, including body of rod, body of rod one end is provided with the male joint, the body of rod other end is provided with the female joint, and male joint and female joint are taper thread joint, the male joint with the size phase-match of female joint.
The area of the main shoulder is equal to that of the auxiliary shoulder, and Cone meets the following conditions:
Do2-(d+2h)2＝[d-(L-2P)Cone]2-Di2；
wherein,
do is the width of the outer wall of the female joint;
d is the maximum inner diameter of the male connector;
h is the difference between the inner diameter and the outer diameter of the threads at the male joint and the female joint;
l is the length of the thread at the male joint or the female joint;
p is the thread pitch at the male joint or the female joint;
di is the width of the inner wall at the position of the male joint and the female joint.
Optionally, the thread length L of the female jointFemaleLength L of thread with said male jointPublicHas a length difference of DeltaL, LFemale-LPublicΔ L, and Δ L satisfies the equation:
that is to say that the first and second electrodes,
here, Cone ═ 2tan θ.
Through the method, the force applied to the thread side surfaces of the large end and the small end is in direct proportion to the area of the side surfaces, and the surface force of the reaction force of the main shoulder surface and the auxiliary shoulder surface acting on the thread side surfaces is equivalent.
The outer surfaces of the male joint and the female joint are of octagonal structures so as to reduce damage to the outer surface of the drill rod joint in the process of screwing on and unscrewing.
Compared with an oil drill rod, the high-performance thin-wall wire line coring drill rod for the deep hole adopts a proper amount of joints for thickening the inner diameter and the outer diameter, avoids overlarge bore diameter caused by direct overlarge drill rod joints, ensures full-hole drilling, reduces drilling cost required for crushing a stratum due to proper diameter of a drill bit compared with an oil drilling process, and improves drilling efficiency; for the geology drilling rod, through increasing inside and outside footpath thickening volume, guaranteed drill rod joint's intensity, satisfied 5000 meters and bored the demand of degree to drilling rod intensity deeply. In conclusion, the drill rod provided by the invention not only meets the drilling process requirements of geological cores, ensures the drilling coring efficiency and saves the cost, but also meets the strength requirement of the drill rod for the drilling depth of 5000 meters, and has a certain engineering value in popularization and application.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. A high-performance thin-wall rope coring drill rod for deep holes is characterized by comprising a rod body, wherein two ends of the rod body are thickened through integral inside and outside upsetting; the novel telescopic rod is characterized in that a male connector is arranged at one end of the rod body, a female connector is arranged at the other end of the rod body, and the male connector is matched with the female connector in size.
2. The high-performance thin-wall rope coring drill rod for deep holes of claim 1, wherein the inside and outside upset thickening of the two ends of the rod body is 0.5 times the wall thickness of the rod body.
3. The high-performance thin-walled wireline coring drill rod for deep holes of claim 1, wherein the conicity Cone of the male joint and the female joint satisfies the following condition:
Do2-(d+2h)2＝[d-(L-2P)Cone]2-Di2；
wherein,
do is the width of the outer wall of the female joint;
d is the maximum inner diameter of the male connector;
h is the difference between the inner diameter and the outer diameter of the threads at the male joint and the female joint;
l is the length of the thread at the male joint or the female joint;
p is the thread pitch at the male joint or the female joint;
di is the width of the inner wall at the position of the male joint and the female joint.
4. The high performance thin wall wire line coring drill rod for deep holes of claim 1, wherein the female joint has a thread length LFemaleLength L of thread with said male jointPublicIs Δ L, Δ L satisfies the equation:
that is to say that the first and second electrodes,
here, Cone ═ 2tan θ.
5. The high performance thin wall wireline cored drill pipe of claim 1 wherein the outer surface of the male sub and the female sub are octagonal in configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111029892.4A CN113638700B (en) | 2021-09-03 | 2021-09-03 | High-performance thin-wall rope coring drill rod for deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111029892.4A CN113638700B (en) | 2021-09-03 | 2021-09-03 | High-performance thin-wall rope coring drill rod for deep hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113638700A true CN113638700A (en) | 2021-11-12 |
| CN113638700B CN113638700B (en) | 2023-06-20 |
Family
ID=78425018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111029892.4A Active CN113638700B (en) | 2021-09-03 | 2021-09-03 | High-performance thin-wall rope coring drill rod for deep hole |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203403830U (en) * | 2013-08-07 | 2014-01-22 | 中国地质科学院勘探技术研究所 | Aluminum alloy drill pipe structure for wire-line coring drilling |
| CN104632096A (en) * | 2013-11-07 | 2015-05-20 | 天津德华石油装备制造有限公司 | Drill rod joint |
| CN204511320U (en) * | 2014-12-25 | 2015-07-29 | 中国地质科学院勘探技术研究所 | A kind of science deep-well, ultradeep well probing drilling rod |
| CN206035394U (en) * | 2016-09-26 | 2017-03-22 | 山西风雷钻具有限公司 | Geological drill pipe |
| CN207436942U (en) * | 2017-08-31 | 2018-06-01 | 海隆石油钻具（无锡）有限公司 | A kind of high-performance ultrahigh anti-torsion tool joint |
| CN213743283U (en) * | 2020-10-30 | 2021-07-20 | 无锡双马钻探工具有限公司 | Improved structure of trenchless direct-connected drill rod |
-
2021
- 2021-09-03 CN CN202111029892.4A patent/CN113638700B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203403830U (en) * | 2013-08-07 | 2014-01-22 | 中国地质科学院勘探技术研究所 | Aluminum alloy drill pipe structure for wire-line coring drilling |
| CN104632096A (en) * | 2013-11-07 | 2015-05-20 | 天津德华石油装备制造有限公司 | Drill rod joint |
| CN204511320U (en) * | 2014-12-25 | 2015-07-29 | 中国地质科学院勘探技术研究所 | A kind of science deep-well, ultradeep well probing drilling rod |
| CN206035394U (en) * | 2016-09-26 | 2017-03-22 | 山西风雷钻具有限公司 | Geological drill pipe |
| CN207436942U (en) * | 2017-08-31 | 2018-06-01 | 海隆石油钻具（无锡）有限公司 | A kind of high-performance ultrahigh anti-torsion tool joint |
| CN213743283U (en) * | 2020-10-30 | 2021-07-20 | 无锡双马钻探工具有限公司 | Improved structure of trenchless direct-connected drill rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113638700B (en) | 2023-06-20 |
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