NO990959L - Borer°r - Google Patents

Borer°r

Info

Publication number
NO990959L
NO990959L NO990959A NO990959A NO990959L NO 990959 L NO990959 L NO 990959L NO 990959 A NO990959 A NO 990959A NO 990959 A NO990959 A NO 990959A NO 990959 L NO990959 L NO 990959L
Authority
NO
Norway
Prior art keywords
diameter
central section
enlarged portion
section
borer
Prior art date
Application number
NO990959A
Other languages
English (en)
Other versions
NO990959D0 (no
Inventor
William Russel Scott Aitken
Original Assignee
Schoeller Bleckmann Oilfield E
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schoeller Bleckmann Oilfield E filed Critical Schoeller Bleckmann Oilfield E
Publication of NO990959L publication Critical patent/NO990959L/no
Publication of NO990959D0 publication Critical patent/NO990959D0/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/22Rods or pipes with helical structure
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S138/00Pipes and tubular conduits
    • Y10S138/11Shape

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)
NO990959A 1996-08-27 1999-02-26 Borer°r NO990959D0 (no)

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
NO990959L true NO990959L (no) 1999-02-26
NO990959D0 NO990959D0 (no) 1999-02-26

Family

ID=10798948

Family Applications (1)

Application Number Title Priority Date Filing Date
NO990959A NO990959D0 (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) NO990959D0 (no)
WO (1) WO1998009046A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001277212A1 (en) * 2000-08-01 2002-02-13 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO1998009046A1 (en) 1998-03-05
EP0922153A1 (en) 1999-06-16
ATE218181T1 (de) 2002-06-15
AU725911B2 (en) 2000-10-26
NO990959D0 (no) 1999-02-26
CA2263901A1 (en) 1998-03-05
GB9617819D0 (en) 1996-10-09
EP0922153B1 (en) 2002-05-29
DE69712893D1 (de) 2002-07-04
DE69712893T2 (de) 2003-01-23
AU4022797A (en) 1998-03-19
US6167917B1 (en) 2001-01-02

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application