GB2350386B - Traction apparatus - Google Patents

Traction apparatus

Info

Publication number
GB2350386B
GB2350386B GB0020422A GB0020422A GB2350386B GB 2350386 B GB2350386 B GB 2350386B GB 0020422 A GB0020422 A GB 0020422A GB 0020422 A GB0020422 A GB 0020422A GB 2350386 B GB2350386 B GB 2350386B
Authority
GB
United Kingdom
Prior art keywords
traction apparatus
traction
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
GB0020422A
Other versions
GB2350386A (en
GB0020422D0 (en
Inventor
Neil Andrew Abercrombi Simpson
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb Inc
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
Priority claimed from GBGB9617115.2A external-priority patent/GB9617115D0/en
Application filed by Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Publication of GB0020422D0 publication Critical patent/GB0020422D0/en
Publication of GB2350386A publication Critical patent/GB2350386A/en
Application granted granted Critical
Publication of GB2350386B publication Critical patent/GB2350386B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • 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
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
    • F16L55/28—Constructional aspects
GB0020422A 1996-08-15 1997-08-15 Traction apparatus Expired - Fee Related GB2350386B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9617115.2A GB9617115D0 (en) 1996-08-15 1996-08-15 Pipeline traction system
GB9903322A GB2334280B (en) 1996-08-15 1997-08-15 Traction apparatus

Publications (3)

Publication Number Publication Date
GB0020422D0 GB0020422D0 (en) 2000-10-04
GB2350386A GB2350386A (en) 2000-11-29
GB2350386B true GB2350386B (en) 2001-02-21

Family

ID=26309874

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0020422A Expired - Fee Related GB2350386B (en) 1996-08-15 1997-08-15 Traction apparatus

Country Status (1)

Country Link
GB (1) GB2350386B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356439B (en) * 1999-09-29 2004-02-18 Univ Durham Conduit traversing vehicle
WO2017156322A1 (en) * 2016-03-09 2017-09-14 Bilco Tools, Inc. Brush actuator for actuating downhole tools

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389208A (en) * 1980-11-06 1983-06-21 Leveen Robert F Catheter advancer
DE3311094A1 (en) * 1983-03-26 1984-09-27 Hans 7801 Schallstadt Barth Device for transporting objects or for self-locomotion
GB2305407A (en) * 1995-09-22 1997-04-09 Univ Durham Surface traversing vehicle supported on bristles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389208A (en) * 1980-11-06 1983-06-21 Leveen Robert F Catheter advancer
DE3311094A1 (en) * 1983-03-26 1984-09-27 Hans 7801 Schallstadt Barth Device for transporting objects or for self-locomotion
GB2305407A (en) * 1995-09-22 1997-04-09 Univ Durham Surface traversing vehicle supported on bristles

Also Published As

Publication number Publication date
GB2350386A (en) 2000-11-29
GB0020422D0 (en) 2000-10-04

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Legal Events

Date Code Title Description
772C Application made to the comptroller for revocation (sect. 72/1977)
775 Application for amendment of specification (sect. 75/1977)

Free format text: APPLICATION MADE FOR AMENDMENT OF SPECIFICATION

772M Case decided by the comptroller (sect. 72/1977)

Free format text: NO ORDER FOR REVOCATION WAS MADE. THE PROPOSED AMENDMENTS WERE ALLOWED

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20151022 AND 20151028

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160815