EP2050922A3 - Thread for roto-percussion drill pipe - Google Patents
Thread for roto-percussion drill pipe Download PDFInfo
- Publication number
- EP2050922A3 EP2050922A3 EP08166631.5A EP08166631A EP2050922A3 EP 2050922 A3 EP2050922 A3 EP 2050922A3 EP 08166631 A EP08166631 A EP 08166631A EP 2050922 A3 EP2050922 A3 EP 2050922A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- roto
- thread
- percussion drill
- drill pipe
- pipe
- 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.)
- Granted
Links
- 238000009527 percussion Methods 0.000 title abstract 3
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
Classifications
-
- 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
- E21B17/0423—Threaded with plural threaded sections, e.g. with two-step 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
- E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Electrophonic Musical Instruments (AREA)
- Pens And Brushes (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT001992A ITMI20071992A1 (en) | 2007-10-16 | 2007-10-16 | TUBE FOR ROTO-PERCUSSION |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2050922A2 EP2050922A2 (en) | 2009-04-22 |
EP2050922A3 true EP2050922A3 (en) | 2017-03-08 |
EP2050922B1 EP2050922B1 (en) | 2023-01-11 |
Family
ID=40303650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08166631.5A Active EP2050922B1 (en) | 2007-10-16 | 2008-10-15 | Thread for roto-percussion drill pipe |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2050922B1 (en) |
ES (1) | ES2937164T3 (en) |
IT (1) | ITMI20071992A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108343385A (en) * | 2017-12-29 | 2018-07-31 | 中国石油天然气股份有限公司 | Expansion device and machining method thereof and tubular column |
CN109441369A (en) * | 2018-12-19 | 2019-03-08 | 中国石油大学(北京) | Three lead petroleum casing screw bindiny mechanisms and its casing tubing string |
KR20230148331A (en) * | 2021-02-26 | 2023-10-24 | 산드빅 마이닝 앤드 컨스트럭션 툴스 에이비 | Coupling for connecting downhole tubular bodies with improved stress distribution |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1120388A (en) * | 1965-07-08 | 1968-07-17 | Sandvikens Jernverks Ab | An extension rod for a percussion drill |
US4625814A (en) * | 1982-11-30 | 1986-12-02 | Oy Airam Ab Kometa | Percussive drill rod system |
DE19803304A1 (en) * | 1997-05-29 | 1998-12-03 | Boart Hwf Gmbh Co Kg | Rotary percussive drill rod in overhead drilling |
US6120067A (en) * | 1996-05-07 | 2000-09-19 | Frank's Casing Crew And Rental Tools, Inc. | Threaded tool joint for connecting large tubes |
DE10020388A1 (en) * | 2000-04-26 | 2001-10-31 | Klemm Bohrtechnik Zweigniederl | Drill string with threaded coupling, has external and internal threading with sawtooth geometry |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3268248A (en) * | 1963-11-08 | 1966-08-23 | Douglas Aircraft Co Inc | Inter-locking welded joint |
DE3427837C2 (en) * | 1984-07-27 | 1987-03-05 | Ford-Werke AG, 5000 Köln | Process for hardening composite welded parts |
NL8701177A (en) * | 1987-05-15 | 1988-12-01 | Skf Ind Trading & Dev | METHOD FOR MANUFACTURING AN ARTICLE INCLUDED WITH AT LEAST TWO MOVEMENTS, IN PARTICULAR A ROLL BEARING. |
SE525664C2 (en) * | 2003-05-16 | 2005-03-29 | Atlas Copco Secoroc Ab | Joint bar and method of making it |
AT7047U1 (en) * | 2003-10-02 | 2004-09-27 | Magna Steyr Powertrain Ag & Co | PROCESS FOR WELDING |
US20050087581A1 (en) * | 2003-10-27 | 2005-04-28 | Otten Gregory K. | Welding Alignment Device, and Methods of Using Same |
-
2007
- 2007-10-16 IT IT001992A patent/ITMI20071992A1/en unknown
-
2008
- 2008-10-15 EP EP08166631.5A patent/EP2050922B1/en active Active
- 2008-10-15 ES ES08166631T patent/ES2937164T3/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1120388A (en) * | 1965-07-08 | 1968-07-17 | Sandvikens Jernverks Ab | An extension rod for a percussion drill |
US4625814A (en) * | 1982-11-30 | 1986-12-02 | Oy Airam Ab Kometa | Percussive drill rod system |
US6120067A (en) * | 1996-05-07 | 2000-09-19 | Frank's Casing Crew And Rental Tools, Inc. | Threaded tool joint for connecting large tubes |
DE19803304A1 (en) * | 1997-05-29 | 1998-12-03 | Boart Hwf Gmbh Co Kg | Rotary percussive drill rod in overhead drilling |
DE10020388A1 (en) * | 2000-04-26 | 2001-10-31 | Klemm Bohrtechnik Zweigniederl | Drill string with threaded coupling, has external and internal threading with sawtooth geometry |
Also Published As
Publication number | Publication date |
---|---|
EP2050922B1 (en) | 2023-01-11 |
ITMI20071992A1 (en) | 2009-04-17 |
EP2050922A2 (en) | 2009-04-22 |
ES2937164T3 (en) | 2023-03-24 |
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