AU6144994A - Dual body drillpipe for use in so-called counterflush drilling methods - Google Patents

Dual body drillpipe for use in so-called counterflush drilling methods

Info

Publication number
AU6144994A
AU6144994A AU61449/94A AU6144994A AU6144994A AU 6144994 A AU6144994 A AU 6144994A AU 61449/94 A AU61449/94 A AU 61449/94A AU 6144994 A AU6144994 A AU 6144994A AU 6144994 A AU6144994 A AU 6144994A
Authority
AU
Australia
Prior art keywords
drillpipe
called
drilling methods
dual body
counterflush drilling
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU61449/94A
Inventor
Gerard Sabatier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU6144994A publication Critical patent/AU6144994A/en
Abandoned legal-status Critical Current

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
    • E21B17/18—Pipes provided with plural fluid passages

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)
AU61449/94A 1993-03-03 1994-03-03 Dual body drillpipe for use in so-called counterflush drilling methods Abandoned AU6144994A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9302626 1993-03-03
FR9302626A FR2702241B1 (en) 1993-03-03 1993-03-03 Double body drill pipe intended to be used in so-called "reverse circulation" drilling modes.
PCT/FR1994/000233 WO1994020726A1 (en) 1993-03-03 1994-03-03 Dual body drillpipe for use in so-called counterflush drilling methods

Publications (1)

Publication Number Publication Date
AU6144994A true AU6144994A (en) 1994-09-26

Family

ID=9444730

Family Applications (1)

Application Number Title Priority Date Filing Date
AU61449/94A Abandoned AU6144994A (en) 1993-03-03 1994-03-03 Dual body drillpipe for use in so-called counterflush drilling methods

Country Status (3)

Country Link
AU (1) AU6144994A (en)
FR (1) FR2702241B1 (en)
WO (1) WO1994020726A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU682966B2 (en) * 1994-05-27 1997-10-23 Eric Clifford Braumann Drilling apparatus
AUPM589694A0 (en) * 1994-05-27 1994-06-23 Braumann, Eric Clifford Drilling apparatus
AUPP650098A0 (en) * 1998-10-14 1998-11-05 Rear, Ian Graeme Reverse circulation drill rod
JP4014349B2 (en) 2000-02-24 2007-11-28 カルソニックカンセイ株式会社 Double pipe fittings
DE10110399C1 (en) * 2001-03-03 2002-07-25 Tracto Technik Rod used in a drilling device, for producing holes in the ground using a rotating and feed drive, comprises several pipe sections joined together so that they cannot rotate and tensioned by a tension rod arranged inside the pipe sections
WO2009132259A2 (en) * 2008-04-24 2009-10-29 National Oilwell Varco, L.P. Torque member for threaded connections
CN103124829B (en) 2010-07-07 2015-08-26 国民油井华高有限公司 The screw thread coupling that moment of torsion increases
US9638362B2 (en) 2014-05-02 2017-05-02 National Oilwell Varco, L.P. Threaded connections with an adjustable secondary shoulder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB328629A (en) * 1929-01-30 1930-04-30 William Richard Macdonald Improvements in or relating to deep drilling apparatus
US2537605A (en) * 1947-08-07 1951-01-09 Standard Oil Dev Co Drilling bore holes
US2849213A (en) * 1953-11-12 1958-08-26 George E Failing Company Apparatus for circulating drilling fluid in rotary drilling
FR1403800A (en) * 1964-05-13 1965-06-25 Creusot Forges Ateliers Drill pipe assembly device
BE795817A (en) * 1972-02-25 1973-06-18 Demarok Int Ltd DRILLING EQUIPMENT AND ADAPTER FOR IT
FR2324857A1 (en) * 1975-09-19 1977-04-15 Foraco Forage Rationnel Const DRILL CROWN FITTING AND REVERSE CIRCULATION IMPLEMENTATION METHOD
AT346791B (en) * 1976-12-29 1978-11-27 Aufschlaeger Kg Ferd PIPE CONNECTION FOR A DOUBLE PIPE DRILL ROD
US4100981A (en) * 1977-02-04 1978-07-18 Chaffin John D Earth boring apparatus for geological drilling and coring
FR2452583A1 (en) * 1979-03-30 1980-10-24 Foraco Forage Rationnel Const Drilling system incorporating inverse mud circulation - comprises raising debris-laden mud to surface by depression created in upper part of train of rods by air injection
US5070951A (en) * 1990-08-24 1991-12-10 Wrhen Wilmer C Drill for water wells

Also Published As

Publication number Publication date
FR2702241A1 (en) 1994-09-09
FR2702241B1 (en) 1995-06-02
WO1994020726A1 (en) 1994-09-15

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