AU4919799A - Drill string retrieving apparatus - Google Patents

Drill string retrieving apparatus

Info

Publication number
AU4919799A
AU4919799A AU49197/99A AU4919799A AU4919799A AU 4919799 A AU4919799 A AU 4919799A AU 49197/99 A AU49197/99 A AU 49197/99A AU 4919799 A AU4919799 A AU 4919799A AU 4919799 A AU4919799 A AU 4919799A
Authority
AU
Australia
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.)
Abandoned
Application number
AU49197/99A
Inventor
Robert Patrick Appleton
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 AU4919799A publication Critical patent/AU4919799A/en
Abandoned legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the 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 the boreholes or wells operated by fluid means, e.g. actuated by explosion using a single piston or multiple mechanically interconnected pistons
AU49197/99A 1998-07-14 1999-07-12 Drill string retrieving apparatus Abandoned AU4919799A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9815131 1998-07-14
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 (1)

Publication Number Publication Date
AU4919799A true AU4919799A (en) 2000-02-07

Family

ID=10835397

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49197/99A Abandoned AU4919799A (en) 1998-07-14 1999-07-12 Drill string retrieving apparatus

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
WO2000004272A1 (en) 2000-01-27
GB0100996D0 (en) 2001-02-28
GB9815131D0 (en) 1998-09-09
GB2356656A (en) 2001-05-30
CA2342112A1 (en) 2000-01-27

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase