DK0697058T3 - Borerør til retningsboring - Google Patents

Borerør til retningsboring

Info

Publication number
DK0697058T3
DK0697058T3 DK94914498.4T DK94914498T DK0697058T3 DK 0697058 T3 DK0697058 T3 DK 0697058T3 DK 94914498 T DK94914498 T DK 94914498T DK 0697058 T3 DK0697058 T3 DK 0697058T3
Authority
DK
Denmark
Prior art keywords
outside diameter
drill pipe
pct
end portions
middle portion
Prior art date
Application number
DK94914498.4T
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=DK0697058(T3) "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 DK0697058T3 publication Critical patent/DK0697058T3/da

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)
  • Drilling And Boring (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
DK94914498.4T 1993-05-15 1994-05-09 Borerør til retningsboring DK0697058T3 (da)

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
DK0697058T3 true DK0697058T3 (da) 1997-08-18

Family

ID=10735536

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94914498.4T DK0697058T3 (da) 1993-05-15 1994-05-09 Borerør til retningsboring

Country Status (11)

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

Families Citing this family (9)

* 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 (en) 2013-10-25 2020-11-25 National Oilwell Varco, L.P. Downhole hole cleaning joints and method of using same
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
WO2020061165A1 (en) 2018-09-21 2020-03-26 Garland Industries, Inc. Helical hardbanding

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 (en) * 1983-10-13 1986-04-23 Texas Forge & Tool Limited Improvements in or relating to rods and pipes
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
CA2162698A1 (en) 1994-11-24
GB9310029D0 (en) 1993-06-30
WO1994027024A1 (en) 1994-11-24
NO954596L (no) 1995-11-14
EP0697058A1 (en) 1996-02-21
ATE148771T1 (de) 1997-02-15
EP0697058B1 (en) 1997-02-05
DE69401713T2 (de) 1997-07-10
DE69401713D1 (de) 1997-03-20
AU6684794A (en) 1994-12-12
US5697460A (en) 1997-12-16
ES2098139T3 (es) 1997-04-16
CA2162698C (en) 2004-07-27
NO307621B1 (no) 2000-05-02
NO954596D0 (no) 1995-11-14
AU678829B2 (en) 1997-06-12

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