GB2284029B - Drill pipe - Google Patents

Drill pipe

Info

Publication number
GB2284029B
GB2284029B GB9323397A GB9323397A GB2284029B GB 2284029 B GB2284029 B GB 2284029B GB 9323397 A GB9323397 A GB 9323397A GB 9323397 A GB9323397 A GB 9323397A GB 2284029 B GB2284029 B GB 2284029B
Authority
GB
United Kingdom
Prior art keywords
drill pipe
drill
pipe
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.)
Expired - Fee Related
Application number
GB9323397A
Other versions
GB9323397D0 (en
GB2284029A (en
Inventor
David Small
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co 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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB9323397A priority Critical patent/GB2284029B/en
Publication of GB9323397D0 publication Critical patent/GB9323397D0/en
Publication of GB2284029A publication Critical patent/GB2284029A/en
Application granted granted Critical
Publication of GB2284029B publication Critical patent/GB2284029B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
    • E21B47/16—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the drill string or casing, e.g. by torsional acoustic waves
    • 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)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
GB9323397A 1993-11-12 1993-11-12 Drill pipe Expired - Fee Related GB2284029B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9323397A GB2284029B (en) 1993-11-12 1993-11-12 Drill pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9323397A GB2284029B (en) 1993-11-12 1993-11-12 Drill pipe

Publications (3)

Publication Number Publication Date
GB9323397D0 GB9323397D0 (en) 1994-01-05
GB2284029A GB2284029A (en) 1995-05-24
GB2284029B true GB2284029B (en) 1997-04-09

Family

ID=10745087

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9323397A Expired - Fee Related GB2284029B (en) 1993-11-12 1993-11-12 Drill pipe

Country Status (1)

Country Link
GB (1) GB2284029B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2001272233B2 (en) * 2000-07-21 2005-10-27 Todd Andrew Haines Couplings for rotary drill strings
CA2418126C (en) * 2000-07-21 2009-09-29 Todd Andrew Haines Couplings for rotary drill strings

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990438A (en) * 1963-02-18 1965-04-28 Atomic Energy Authority Uk Tube joints

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB990438A (en) * 1963-02-18 1965-04-28 Atomic Energy Authority Uk Tube joints

Also Published As

Publication number Publication date
GB9323397D0 (en) 1994-01-05
GB2284029A (en) 1995-05-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20061112