NO990959D0 - Borer°r - Google Patents
Borer°rInfo
- Publication number
- NO990959D0 NO990959D0 NO990959A NO990959A NO990959D0 NO 990959 D0 NO990959 D0 NO 990959D0 NO 990959 A NO990959 A NO 990959A NO 990959 A NO990959 A NO 990959A NO 990959 D0 NO990959 D0 NO 990959D0
- Authority
- NO
- Norway
- Prior art keywords
- diameter
- central section
- enlarged portion
- section
- borer
- Prior art date
Links
- 230000015572 biosynthetic process Effects 0.000 abstract 1
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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- 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
- E21B17/22—Rods or pipes with helical structure
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S138/00—Pipes and tubular conduits
- Y10S138/11—Shape
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
- Surgical Instruments (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9617819.9A GB9617819D0 (en) | 1996-08-27 | 1996-08-27 | A drill pipe |
PCT/GB1997/002236 WO1998009046A1 (en) | 1996-08-27 | 1997-08-20 | A drill pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
NO990959D0 true NO990959D0 (no) | 1999-02-26 |
NO990959L NO990959L (no) | 1999-02-26 |
Family
ID=10798948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO990959A NO990959L (no) | 1996-08-27 | 1999-02-26 | Borer°r |
Country Status (9)
Country | Link |
---|---|
US (1) | US6167917B1 (no) |
EP (1) | EP0922153B1 (no) |
AT (1) | ATE218181T1 (no) |
AU (1) | AU725911B2 (no) |
CA (1) | CA2263901A1 (no) |
DE (1) | DE69712893T2 (no) |
GB (1) | GB9617819D0 (no) |
NO (1) | NO990959L (no) |
WO (1) | WO1998009046A1 (no) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002010630A1 (en) * | 2000-08-01 | 2002-02-07 | Grant Prideco, L.P. | Wear-resistant tool joint and drill pipe made therefrom |
AU2002220848A1 (en) * | 2000-12-19 | 2002-07-01 | Weatherford/Lamb Inc. | Torque reducing tubing component |
GB0031010D0 (en) * | 2000-12-19 | 2001-01-31 | Rastegar Gholam H | Torque reducing drillpipe |
FR2824104A1 (fr) * | 2001-04-27 | 2002-10-31 | Smf Internat | Element profile pour un equipement de forage rotatif et applications a des composants d'un train de tiges de forage |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2217592A (en) * | 1938-08-01 | 1940-10-08 | Lgs Devices Corp | Well reamer |
US2589534A (en) * | 1947-07-28 | 1952-03-18 | Ralph Q Buttolph | Drill guiding assembly |
US2676820A (en) * | 1951-09-24 | 1954-04-27 | Reed Roller Bit Co | Drill collar |
US4146060A (en) * | 1977-07-25 | 1979-03-27 | Smith International, Inc. | Drill pipe wear belt assembly |
FR2517357A1 (fr) | 1981-11-27 | 1983-06-03 | Smf Int | Tige de forage |
US4549613A (en) * | 1982-07-30 | 1985-10-29 | Case Wayne A | Downhole tool with replaceable tool sleeve sections |
EP0138603A3 (en) | 1983-10-13 | 1986-04-23 | Texas Forge & Tool Limited | Improvements in or relating to rods and pipes |
US4760889A (en) * | 1986-09-19 | 1988-08-02 | Dudman Roy L | High bending strength ratio drill string components |
US4811800A (en) * | 1987-10-22 | 1989-03-14 | Homco International Inc. | Flexible drill string member especially for use in directional drilling |
GB8908014D0 (en) * | 1989-04-10 | 1989-05-24 | Smith Int North Sea | A milling tool stabiliser |
GB9022062D0 (en) * | 1990-10-10 | 1990-11-21 | Petco Fishing & Rental Tools U | Milling tool |
GB9310029D0 (en) * | 1993-05-15 | 1993-06-30 | Stewart Arthur D | Improvements in or relating to drill pipe |
-
1996
- 1996-08-27 GB GBGB9617819.9A patent/GB9617819D0/en active Pending
-
1997
- 1997-08-20 EP EP97937683A patent/EP0922153B1/en not_active Expired - Lifetime
- 1997-08-20 AT AT97937683T patent/ATE218181T1/de active
- 1997-08-20 DE DE69712893T patent/DE69712893T2/de not_active Expired - Fee Related
- 1997-08-20 US US09/242,573 patent/US6167917B1/en not_active Expired - Fee Related
- 1997-08-20 AU AU40227/97A patent/AU725911B2/en not_active Ceased
- 1997-08-20 WO PCT/GB1997/002236 patent/WO1998009046A1/en active IP Right Grant
- 1997-08-20 CA CA002263901A patent/CA2263901A1/en not_active Abandoned
-
1999
- 1999-02-26 NO NO990959A patent/NO990959L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2263901A1 (en) | 1998-03-05 |
WO1998009046A1 (en) | 1998-03-05 |
EP0922153B1 (en) | 2002-05-29 |
ATE218181T1 (de) | 2002-06-15 |
NO990959L (no) | 1999-02-26 |
US6167917B1 (en) | 2001-01-02 |
DE69712893T2 (de) | 2003-01-23 |
EP0922153A1 (en) | 1999-06-16 |
AU725911B2 (en) | 2000-10-26 |
GB9617819D0 (en) | 1996-10-09 |
AU4022797A (en) | 1998-03-19 |
DE69712893D1 (de) | 2002-07-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FC2A | Withdrawal, rejection or dismissal of laid open patent application |