DK1957850T3 - Coupling set for wall tubes or heavy drill tubes - Google Patents

Coupling set for wall tubes or heavy drill tubes

Info

Publication number
DK1957850T3
DK1957850T3 DK06841839T DK06841839T DK1957850T3 DK 1957850 T3 DK1957850 T3 DK 1957850T3 DK 06841839 T DK06841839 T DK 06841839T DK 06841839 T DK06841839 T DK 06841839T DK 1957850 T3 DK1957850 T3 DK 1957850T3
Authority
DK
Denmark
Prior art keywords
tubes
surface portion
connection element
heavy drill
free end
Prior art date
Application number
DK06841839T
Other languages
Danish (da)
Inventor
Francois Kessler
Original Assignee
Francois Kessler
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 Francois Kessler filed Critical Francois Kessler
Application granted granted Critical
Publication of DK1957850T3 publication Critical patent/DK1957850T3/en

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
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Bulkheads Adapted To Foundation Construction (AREA)

Abstract

The invention relates to a connection assembly (100) for drill collars or heavy drill pipes comprising: a male connection element which comprises, in its longitudinal direction, an at least partially threaded conical surface portion which tapers from the first portion towards its free end; a female connection element which comprises an at least partially threaded conical inner surface and a cylindrical inner surface (220), said two connection elements being complementary so that one can be assembled in the other by screwing, characterized in that the male connection element additionally comprises, between its free end and said conical surface portion, another surface portion whose conicity is less than that of said surface portion and which is dimensioned with respect to said cylindrical inner surface (220) such that there is a clearance by virtue of which these two surfaces bear one against the other when the assembly is subjected to a bending stress.
DK06841839T 2005-12-06 2006-12-01 Coupling set for wall tubes or heavy drill tubes DK1957850T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0512356A FR2894279B1 (en) 2005-12-06 2005-12-06 CONNECTING ASSEMBLY FOR DRILL BODY OR HEAVY DRILLING RODS
PCT/FR2006/002629 WO2007065986A1 (en) 2005-12-06 2006-12-01 Connection assembly for drill collars or heavy drill pipes

Publications (1)

Publication Number Publication Date
DK1957850T3 true DK1957850T3 (en) 2009-08-24

Family

ID=36952400

Family Applications (1)

Application Number Title Priority Date Filing Date
DK06841839T DK1957850T3 (en) 2005-12-06 2006-12-01 Coupling set for wall tubes or heavy drill tubes

Country Status (7)

Country Link
US (1) US20080289879A1 (en)
EP (1) EP1957850B1 (en)
AT (1) ATE430280T1 (en)
DE (1) DE602006006594D1 (en)
DK (1) DK1957850T3 (en)
FR (1) FR2894279B1 (en)
WO (1) WO2007065986A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009052335A1 (en) * 2009-08-28 2011-03-03 Tracto-Technik Gmbh & Co. Kg Plug-in coupling for a drill pipe and drill pipe
WO2023144377A1 (en) * 2022-01-31 2023-08-03 Sandvik Mining And Construction Tools Ab Drilling component

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5064224A (en) * 1989-03-08 1991-11-12 Baroid Technology, Inc. Oil field tubular connection
US5908212A (en) * 1997-05-02 1999-06-01 Grant Prideco, Inc. Ultra high torque double shoulder tool joint
WO2005095840A1 (en) * 2004-03-31 2005-10-13 Nkktubes Double shoulder tool joint

Also Published As

Publication number Publication date
WO2007065986A1 (en) 2007-06-14
EP1957850A1 (en) 2008-08-20
FR2894279B1 (en) 2010-08-27
ATE430280T1 (en) 2009-05-15
US20080289879A1 (en) 2008-11-27
DE602006006594D1 (en) 2009-06-10
FR2894279A1 (en) 2007-06-08
EP1957850B1 (en) 2009-04-29

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