ATE218181T1 - Bohrgestänge - Google Patents

Bohrgestänge

Info

Publication number
ATE218181T1
ATE218181T1 AT97937683T AT97937683T ATE218181T1 AT E218181 T1 ATE218181 T1 AT E218181T1 AT 97937683 T AT97937683 T AT 97937683T AT 97937683 T AT97937683 T AT 97937683T AT E218181 T1 ATE218181 T1 AT E218181T1
Authority
AT
Austria
Prior art keywords
diameter
drill pipe
central section
enlarged portion
section
Prior art date
Application number
AT97937683T
Other languages
English (en)
Inventor
William Russell Scott Aitken
Original Assignee
Schoeller Bleckmann Darron Ltd
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 Darron Ltd filed Critical Schoeller Bleckmann Darron Ltd
Application granted granted Critical
Publication of ATE218181T1 publication Critical patent/ATE218181T1/de

Links

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)
AT97937683T 1996-08-27 1997-08-20 Bohrgestänge ATE218181T1 (de)

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 (1)

Publication Number Publication Date
ATE218181T1 true ATE218181T1 (de) 2002-06-15

Family

ID=10798948

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97937683T ATE218181T1 (de) 1996-08-27 1997-08-20 Bohrgestänge

Country Status (9)

Country Link
US (1) US6167917B1 (de)
EP (1) EP0922153B1 (de)
AT (1) ATE218181T1 (de)
AU (1) AU725911B2 (de)
CA (1) CA2263901A1 (de)
DE (1) DE69712893T2 (de)
GB (1) GB9617819D0 (de)
NO (1) NO990959D0 (de)
WO (1) WO1998009046A1 (de)

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
GB0031010D0 (en) * 2000-12-19 2001-01-31 Rastegar Gholam H Torque reducing drillpipe
EP1350004A1 (de) * 2000-12-19 2003-10-08 Weatherford/Lamb, Inc. Drehmomentreduzierende rohrkomponente
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 (de) 1983-10-13 1986-04-23 Texas Forge & Tool Limited Gestänge und Rohre
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
EP0922153A1 (de) 1999-06-16
EP0922153B1 (de) 2002-05-29
CA2263901A1 (en) 1998-03-05
AU725911B2 (en) 2000-10-26
GB9617819D0 (en) 1996-10-09
WO1998009046A1 (en) 1998-03-05
NO990959L (no) 1999-02-26
US6167917B1 (en) 2001-01-02
AU4022797A (en) 1998-03-19
DE69712893T2 (de) 2003-01-23
DE69712893D1 (de) 2002-07-04
NO990959D0 (no) 1999-02-26

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