GB0100996D0 - Drill string retrieving apparatus - Google Patents

Drill string retrieving apparatus

Info

Publication number
GB0100996D0
GB0100996D0 GBGB0100996.8A GB0100996A GB0100996D0 GB 0100996 D0 GB0100996 D0 GB 0100996D0 GB 0100996 A GB0100996 A GB 0100996A GB 0100996 D0 GB0100996 D0 GB 0100996D0
Authority
GB
United Kingdom
Prior art keywords
drill string
retrieving apparatus
string retrieving
drill
string
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.)
Withdrawn
Application number
GBGB0100996.8A
Other versions
GB2356656A (en
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 GB0100996D0 publication Critical patent/GB0100996D0/en
Publication of GB2356656A publication Critical patent/GB2356656A/en
Withdrawn legal-status Critical Current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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/02—Rod or cable suspensions
    • E21B19/06—Elevators, i.e. rod- or tube-gripping devices
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
    • 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/042—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
GB0100996A 1998-07-14 1999-07-12 Drill string retrieving apparatus Withdrawn GB2356656A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9815131.9A GB9815131D0 (en) 1998-07-14 1998-07-14 Pump-out tool
PCT/GB1999/002231 WO2000004272A1 (en) 1998-07-14 1999-07-12 Drill string retrieving apparatus

Publications (2)

Publication Number Publication Date
GB0100996D0 true GB0100996D0 (en) 2001-02-28
GB2356656A GB2356656A (en) 2001-05-30

Family

ID=10835397

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9815131.9A Ceased GB9815131D0 (en) 1998-07-14 1998-07-14 Pump-out tool
GB0100996A Withdrawn GB2356656A (en) 1998-07-14 1999-07-12 Drill string retrieving apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9815131.9A Ceased GB9815131D0 (en) 1998-07-14 1998-07-14 Pump-out tool

Country Status (4)

Country Link
AU (1) AU4919799A (en)
CA (1) CA2342112A1 (en)
GB (2) GB9815131D0 (en)
WO (1) WO2000004272A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8490720B2 (en) * 2009-08-17 2013-07-23 Tace Parley Hart Self aligning mud saver valve seat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4423774A (en) * 1981-06-03 1984-01-03 Joe Mefford Method and apparatus for positioning a safety valve sub for connection in a threaded tubular member
NO154578C (en) * 1984-01-25 1986-10-29 Maritime Hydraulics As BRIDGE DRILLING DEVICE.
US5191939A (en) * 1990-01-03 1993-03-09 Tam International Casing circulator and method
US5509442A (en) * 1995-03-28 1996-04-23 Claycomb; Jackson R. Mud saver valve

Also Published As

Publication number Publication date
GB9815131D0 (en) 1998-09-09
GB2356656A (en) 2001-05-30
CA2342112A1 (en) 2000-01-27
WO2000004272A1 (en) 2000-01-27
AU4919799A (en) 2000-02-07

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)