ATE148771T1 - Bohrrohr zum richtbohren - Google Patents

Bohrrohr zum richtbohren

Info

Publication number
ATE148771T1
ATE148771T1 AT94914498T AT94914498T ATE148771T1 AT E148771 T1 ATE148771 T1 AT E148771T1 AT 94914498 T AT94914498 T AT 94914498T AT 94914498 T AT94914498 T AT 94914498T AT E148771 T1 ATE148771 T1 AT E148771T1
Authority
AT
Austria
Prior art keywords
outside diameter
drill pipe
pct
end portions
middle portion
Prior art date
Application number
AT94914498T
Other languages
English (en)
Inventor
Arthur Deacey Stewart
Karl Schmidt
Original Assignee
Arthur Deacey Stewart
Karl Schmidt
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10735536&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE148771(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arthur Deacey Stewart, Karl Schmidt filed Critical Arthur Deacey Stewart
Application granted granted Critical
Publication of ATE148771T1 publication Critical patent/ATE148771T1/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
    • E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes

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)
  • Drilling Tools (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)
AT94914498T 1993-05-15 1994-05-09 Bohrrohr zum richtbohren ATE148771T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB939310029A GB9310029D0 (en) 1993-05-15 1993-05-15 Improvements in or relating to drill pipe

Publications (1)

Publication Number Publication Date
ATE148771T1 true ATE148771T1 (de) 1997-02-15

Family

ID=10735536

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94914498T ATE148771T1 (de) 1993-05-15 1994-05-09 Bohrrohr zum richtbohren

Country Status (11)

Country Link
US (1) US5697460A (de)
EP (1) EP0697058B1 (de)
AT (1) ATE148771T1 (de)
AU (1) AU678829B2 (de)
CA (1) CA2162698C (de)
DE (1) DE69401713T2 (de)
DK (1) DK0697058T3 (de)
ES (1) ES2098139T3 (de)
GB (1) GB9310029D0 (de)
NO (1) NO307621B1 (de)
WO (1) WO1994027024A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9617819D0 (en) * 1996-08-27 1996-10-09 Aitken William R S A drill pipe
JP4029579B2 (ja) * 2001-03-28 2008-01-09 日立工機株式会社 セーバソー
US7845434B2 (en) * 2005-03-16 2010-12-07 Troy Lee Clayton Technique for drilling straight bore holes in the earth
US20090301785A1 (en) * 2008-06-06 2009-12-10 Arefi Bob Integrated Spiral Blade Collar
JP5035189B2 (ja) * 2008-09-10 2012-09-26 三菱マテリアル株式会社 ドリル
EP3063363B1 (de) 2013-10-25 2020-11-25 National Oilwell Varco, L.P. Bohrlochreinigungsgelenke und verfahren zur verwendung davon
CN105735896A (zh) * 2016-02-02 2016-07-06 中铁隧道集团一处有限公司 利用扶正器组施工超深水平钻孔的方法
US11473376B2 (en) * 2018-03-16 2022-10-18 Wwt North America Holdings, Inc Non-rotating vibration reduction sub
EP3853435B1 (de) 2018-09-21 2024-08-21 Garland Industries, Inc. Schnecken-hardbanding
AU2021106799A4 (en) * 2021-08-20 2021-11-18 Boart Longyear Manufacturing And Distribution Inc. Drill rods having stabilizers and systems and methods comprising same
GB2626448B (en) 2021-09-23 2025-07-02 Wwt North America Holdings Inc Non-rotating drill pipe protector tool having multiple types of hydraulic bearings
EP4424972A1 (de) * 2023-02-28 2024-09-04 Nexans Abstandshaltevorrichtung zum halten eines kabels in einem zentralbereich einer hohlen längsstruktur

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250578A (en) * 1964-01-27 1966-05-10 Land And Marine Rental Company Well apparatus
CA1154430A (en) * 1981-08-21 1983-09-27 Paul Knutsen Integral blade cylindrical gauge stabilizer-reamer
US4436158A (en) * 1981-12-15 1984-03-13 Carstensen Kenneth J Releasable drill string device and method
EP0138603A3 (de) * 1983-10-13 1986-04-23 Texas Forge & Tool Limited Gestänge und Rohre
US4674580A (en) * 1985-08-27 1987-06-23 Atlantic Richfield Company Means for reducing bending stresses in drill pipe
US4811800A (en) * 1987-10-22 1989-03-14 Homco International Inc. Flexible drill string member especially for use in directional drilling
US4874045A (en) * 1988-12-27 1989-10-17 Clayton Charles H Straight hole drilling method and assembly

Also Published As

Publication number Publication date
ES2098139T3 (es) 1997-04-16
WO1994027024A1 (en) 1994-11-24
AU6684794A (en) 1994-12-12
NO307621B1 (no) 2000-05-02
DE69401713T2 (de) 1997-07-10
EP0697058B1 (de) 1997-02-05
DE69401713D1 (de) 1997-03-20
AU678829B2 (en) 1997-06-12
US5697460A (en) 1997-12-16
NO954596D0 (no) 1995-11-14
EP0697058A1 (de) 1996-02-21
DK0697058T3 (da) 1997-08-18
NO954596L (no) 1995-11-14
GB9310029D0 (en) 1993-06-30
CA2162698C (en) 2004-07-27
CA2162698A1 (en) 1994-11-24

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