GB9523978D0 - Downhole equipment - Google Patents

Downhole equipment

Info

Publication number
GB9523978D0
GB9523978D0 GBGB9523978.6A GB9523978A GB9523978D0 GB 9523978 D0 GB9523978 D0 GB 9523978D0 GB 9523978 A GB9523978 A GB 9523978A GB 9523978 D0 GB9523978 D0 GB 9523978D0
Authority
GB
United Kingdom
Prior art keywords
downhole equipment
downhole
equipment
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.)
Pending
Application number
GBGB9523978.6A
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.)
Red Baron Oil Tools Rental Ltd
Original Assignee
Red Baron Oil Tools Rental 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 Red Baron Oil Tools Rental Ltd filed Critical Red Baron Oil Tools Rental Ltd
Priority to GBGB9523978.6A priority Critical patent/GB9523978D0/en
Publication of GB9523978D0 publication Critical patent/GB9523978D0/en
Priority to GB9917396A priority patent/GB2341623B/en
Priority to GB9917389A priority patent/GB2341620B/en
Priority to GB9917392A priority patent/GB2341622B/en
Priority to GB9917391A priority patent/GB2341621B/en
Priority to GB9917394A priority patent/GB2341653B/en
Priority to GB9614309A priority patent/GB2307495B/en
Priority to EP96939995A priority patent/EP0862679B1/en
Priority to PCT/GB1996/002902 priority patent/WO1997019248A2/en
Priority to AU77007/96A priority patent/AU7700796A/en
Priority to NO19982344A priority patent/NO318590B1/en
Pending 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/021—Devices for subsurface connecting or disconnecting by rotation
    • 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
    • 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
    • E21B17/05—Swivel joints
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/12—Grappling tools, e.g. tongs or grabs
    • E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
GBGB9523978.6A 1995-11-23 1995-11-23 Downhole equipment Pending GB9523978D0 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
GBGB9523978.6A GB9523978D0 (en) 1995-11-23 1995-11-23 Downhole equipment
GB9614309A GB2307495B (en) 1995-11-23 1996-07-08 Downhole equipment
GB9917391A GB2341621B (en) 1995-11-23 1996-07-08 Downhole torque generator
GB9917389A GB2341620B (en) 1995-11-23 1996-07-08 Downhole anchor
GB9917392A GB2341622B (en) 1995-11-23 1996-07-08 Downhole clutch assembly
GB9917396A GB2341623B (en) 1995-11-23 1996-07-08 Overshot tool
GB9917394A GB2341653B (en) 1995-11-23 1996-07-08 Downhole swivel joint
EP96939995A EP0862679B1 (en) 1995-11-23 1996-11-25 Downhole equipment
PCT/GB1996/002902 WO1997019248A2 (en) 1995-11-23 1996-11-25 Downhole equipment
AU77007/96A AU7700796A (en) 1995-11-23 1996-11-25 Downhole equipment
NO19982344A NO318590B1 (en) 1995-11-23 1998-05-22 Down-hole equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9523978.6A GB9523978D0 (en) 1995-11-23 1995-11-23 Downhole equipment

Publications (1)

Publication Number Publication Date
GB9523978D0 true GB9523978D0 (en) 1996-01-24

Family

ID=10784349

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9523978.6A Pending GB9523978D0 (en) 1995-11-23 1995-11-23 Downhole equipment
GB9614309A Expired - Fee Related GB2307495B (en) 1995-11-23 1996-07-08 Downhole equipment

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9614309A Expired - Fee Related GB2307495B (en) 1995-11-23 1996-07-08 Downhole equipment

Country Status (1)

Country Link
GB (2) GB9523978D0 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2338013B (en) 1996-12-31 2001-08-22 Charles Mury Helms Lockable swivel apparatus and method
US6142245A (en) * 1997-08-19 2000-11-07 Shell Oil Company Extended reach drilling system
US6994628B2 (en) 2003-01-28 2006-02-07 Boyd's Bit Service, Inc. Locking swivel apparatus with replaceable internal gear members
US6915865B2 (en) 2003-01-28 2005-07-12 Boyd's Bit Service, Inc. Locking swivel apparatus with a supplemental internal locking mechanism
US8276660B2 (en) * 2009-06-18 2012-10-02 Schlumberger Technology Corporation Dual anchoring tubular back-off tool
EP3106604A1 (en) * 2011-08-31 2016-12-21 Welltec A/S Downhole system and method for fastening upper and lower casings via expandable metal sleeve
FR3018541A1 (en) * 2014-03-17 2015-09-18 Pcm LOCKING TORQUE ANCHOR IN ROTATION OF A COLUMN FOR PRODUCING A WELL, ROTATION PUMPING AND LOCKING SYSTEM AND PUMPING INSTALLATION EQUIPPED WITH SUCH A TORQUE ANCHOR
WO2023152404A1 (en) * 2022-02-14 2023-08-17 Ga Drilling, A.S. Drillstring anchor
GB2615592B (en) * 2022-02-14 2024-01-31 Ga Drilling As Drillstring anchor
CN117514057B (en) * 2024-01-04 2024-04-02 大庆辰平钻井技术服务有限公司 Overshot for oil well and ultra-short radius horizontal well blocking removing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4474244A (en) * 1982-09-23 1984-10-02 Standard Oil Company Downhole impact wrench
US5024272A (en) * 1990-05-07 1991-06-18 Halliburton Logging Services, Inc. Drill pipe downhole unthreading apparatus
US5404944A (en) * 1993-09-24 1995-04-11 Baker Hughes, Inc. Downhole makeup tool for threaded tubulars

Also Published As

Publication number Publication date
GB9614309D0 (en) 1996-09-04
GB2307495B (en) 2000-05-03
GB2307495A (en) 1997-05-28

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