DE3825995C1 - - Google Patents
Info
- Publication number
- DE3825995C1 DE3825995C1 DE3825995A DE3825995A DE3825995C1 DE 3825995 C1 DE3825995 C1 DE 3825995C1 DE 3825995 A DE3825995 A DE 3825995A DE 3825995 A DE3825995 A DE 3825995A DE 3825995 C1 DE3825995 C1 DE 3825995C1
- Authority
- DE
- Germany
- Prior art keywords
- thread
- connection according
- section
- drill pipe
- cylindrical bore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 210000002445 nipple Anatomy 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/001—Screw-threaded joints; Forms of screw-threads for such joints with conical threads
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3825995A DE3825995C1 (US06534493-20030318-C00166.png) | 1988-07-28 | 1988-07-28 | |
NO89892911A NO892911L (no) | 1988-07-28 | 1989-07-14 | Boreroerforbindelse. |
EP19890730172 EP0353181A3 (de) | 1988-07-28 | 1989-07-25 | Bohrrohrverbindung |
JP1193809A JPH02140389A (ja) | 1988-07-28 | 1989-07-26 | ボーリング管の結合構造 |
US07/386,786 US4955644A (en) | 1988-07-28 | 1989-07-27 | Drill pipe coupling |
AR89314518A AR241278A1 (es) | 1988-07-28 | 1989-07-27 | Union de tubo de perforacion. |
CN89106121A CN1013783B (zh) | 1988-07-28 | 1989-07-27 | 空心钻杆连接装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3825995A DE3825995C1 (US06534493-20030318-C00166.png) | 1988-07-28 | 1988-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3825995C1 true DE3825995C1 (US06534493-20030318-C00166.png) | 1989-10-19 |
Family
ID=6359943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3825995A Expired DE3825995C1 (US06534493-20030318-C00166.png) | 1988-07-28 | 1988-07-28 |
Country Status (7)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5517843A (en) * | 1994-03-16 | 1996-05-21 | Shaw Industries, Ltd. | Method for making upset ends on metal pipe and resulting product |
US6244631B1 (en) * | 1999-03-02 | 2001-06-12 | Michael Payne | High efficiency drill pipe |
US6764108B2 (en) * | 1999-12-03 | 2004-07-20 | Siderca S.A.I.C. | Assembly of hollow torque transmitting sucker rods |
US6991267B2 (en) * | 1999-12-03 | 2006-01-31 | Siderca S.A.I.C. | Assembly of hollow torque transmitting sucker rods and sealing nipple with improved seal and fluid flow |
US7431347B2 (en) * | 2003-09-24 | 2008-10-07 | Siderca S.A.I.C. | Hollow sucker rod connection with second torque shoulder |
US9643264B2 (en) | 2013-07-25 | 2017-05-09 | Kennametal Inc. | Coupling mechanism for cutting tool |
US9643262B2 (en) | 2013-07-25 | 2017-05-09 | Kennametal Inc. | Coupling mechanism for cutting tool |
CN103510873A (zh) * | 2013-09-29 | 2014-01-15 | 中国水电顾问集团昆明勘测设计研究院有限公司 | 一种提高金刚石复合钻头使用寿命的连接器 |
US9889509B2 (en) | 2014-05-05 | 2018-02-13 | Kennametal Inc. | Cutter heads with improved coupling |
GB2548101A (en) * | 2016-03-07 | 2017-09-13 | Shanghai Hengxu Mat Co Ltd | Downhole tool |
CN106089119B (zh) * | 2016-06-03 | 2019-01-18 | 西南石油大学 | 一种高性能油套管特殊螺纹连接接头 |
EP3636873B1 (en) * | 2018-10-08 | 2021-05-05 | Rovalin AB | A connection assembly for connecting pipes |
GB2596691B (en) * | 2019-04-16 | 2023-03-29 | Nexgen Oil Tools Inc | Dissolvable plugs used in downhole completion systems |
JP6930683B1 (ja) * | 2020-01-06 | 2021-09-01 | 日本製鉄株式会社 | 鋼管ねじ継手構造 |
CN113309919A (zh) * | 2021-06-28 | 2021-08-27 | 康命源(京山)新材料科技发展有限公司 | 一种螺纹连接双壁波纹管 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1932427A (en) * | 1931-06-15 | 1933-10-31 | Doheny Stone Drill Co | Well pipe joint |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1364478A (en) * | 1919-10-11 | 1921-01-04 | Nat Tube Co | Drill-tube |
GB800348A (en) * | 1955-05-12 | 1958-08-27 | Dalmine Spa | Improvements in or relating to leakproof joints for tubular elements under pressure |
DE1155945B (de) * | 1955-05-12 | 1963-10-17 | Dalmine Spa | Rohrverschraubung fuer unter Druck stehende Fluessigkeiten oder Gase |
FR1583421A (US06534493-20030318-C00166.png) * | 1968-02-20 | 1969-10-31 | ||
RO67976A2 (fr) * | 1974-08-16 | 1979-01-15 | Inst Cercetare Si Proiectare T | Raccord pour des tiges de sondage |
US4192533A (en) * | 1976-04-22 | 1980-03-11 | Hydril Company | Dovetail connection for pin and box joints |
US4506432A (en) * | 1983-10-03 | 1985-03-26 | Hughes Tool Company | Method of connecting joints of drill pipe |
-
1988
- 1988-07-28 DE DE3825995A patent/DE3825995C1/de not_active Expired
-
1989
- 1989-07-14 NO NO89892911A patent/NO892911L/no unknown
- 1989-07-25 EP EP19890730172 patent/EP0353181A3/de not_active Withdrawn
- 1989-07-26 JP JP1193809A patent/JPH02140389A/ja active Pending
- 1989-07-27 CN CN89106121A patent/CN1013783B/zh not_active Expired
- 1989-07-27 AR AR89314518A patent/AR241278A1/es active
- 1989-07-27 US US07/386,786 patent/US4955644A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1932427A (en) * | 1931-06-15 | 1933-10-31 | Doheny Stone Drill Co | Well pipe joint |
Also Published As
Publication number | Publication date |
---|---|
US4955644A (en) | 1990-09-11 |
CN1013783B (zh) | 1991-09-04 |
AR241278A1 (es) | 1992-04-30 |
NO892911L (no) | 1990-01-29 |
CN1039866A (zh) | 1990-02-21 |
EP0353181A3 (de) | 1991-04-17 |
JPH02140389A (ja) | 1990-05-30 |
EP0353181A2 (de) | 1990-01-31 |
NO892911D0 (no) | 1989-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8100 | Publication of patent without earlier publication of application | ||
D1 | Grant (no unexamined application published) patent law 81 | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |