Patent
   D524833
Priority
Jun 07 2004
Filed
Jun 07 2004
Issued
Jul 11 2006
Expiry
Jul 11 2020
Assg.orig
Entity
unknown
5
35
n/a
The ornamental design for an access platform for a well top drive system, as shown and described.

FIG. 1 is a front perspective view of an access platform according to the present invention.

FIG. 2 is a rear perspective view of the access platform of FIG. 1.

FIG. 3 is a side view of the access platform of FIG. 1.

FIG. 4 is a front view of the access platform of FIG. 1.

FIG. 5 is a bottom view of the access platform of FIG. 1; and,

FIG. 6 is a top view of the access platform of FIG. 1.

Folk, Robert Alden, Folk, Steven Lorne

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Patent Priority Assignee Title
4010600, Apr 16 1975 The Kendall Company Retipped top-drive filling spindles
4115911, Apr 16 1975 The Kendall Company Method of making retipped top-drive filling spindles
4205423, Apr 16 1975 The Kendall Company Method of retipping top-drive filling spindles
4421179, Jan 23 1981 VARCO I P, INC Top drive well drilling apparatus
4449596, Aug 03 1982 VARCO I P, INC Drilling of wells with top drive unit
4458768, Jan 23 1981 VARCO INTERNATIONAL, INC , A CA CORP Top drive well drilling apparatus
4529045, Mar 26 1984 VARCO INTERNATIONAL, INC , A CA CORP Top drive drilling unit with rotatable pipe support
4589503, Apr 16 1984 HUGHES TOOL COMPANY-USA, A DE CORP Top drive drilling apparatus with improved wrench assembly
4605077, Dec 04 1984 VARCO I P, INC Top drive drilling systems
4753300, Oct 03 1984 Triten Corporation Hydraulic top drive for wells
4759239, Jun 29 1984 HUGHES TOOL COMPANY-USA, A DE CORP Wrench assembly for a top drive sub
4793422, Mar 16 1988 Hughes Tool Company - USA Articulated elevator links for top drive drill rig
4800968, Sep 22 1987 Triten Corporation Well apparatus with tubular elevator tilt and indexing apparatus and methods of their use
4813493, Apr 14 1987 TRITEN CORPORATION, 5915 BRITTMORE ROAD, HOUSTON, TEXAS 77041 A CORP OF TEXAS Hydraulic top drive for wells
4854383, Sep 27 1988 TEXAS IRON WORKS, INC , A CORP OF TEXAS Manifold arrangement for use with a top drive power unit
4865135, May 20 1988 HUGHES TOOL COMPANY - USA, P O BOX 2539, HOUSTON, TEXAS 77252, A CORP OF DE Top drive torque reactor
4878546, Feb 12 1988 Triten Corporation Self-aligning top drive
5038871, Jun 13 1990 NATIONAL-OILWELL, L P Apparatus for supporting a direct drive drilling unit in a position offset from the centerline of a well
5107940, Dec 14 1990 Hydratech; HYDRATECHNOLOGY, INC , D B A HYDRATECH, A CORP OF TX Top drive torque restraint system
5255751, Nov 07 1991 FORUM US, INC Oilfield make-up and breakout tool for top drive drilling systems
5381867, Mar 24 1994 NATIONAL OILWELL VARCO, L P Top drive torque track and method of installing same
5388651, Apr 20 1993 NATIONAL OILWELL VARCO, L P Top drive unit torque break-out system
5433279, Jul 20 1993 Tesco Corporation Portable top drive assembly
5501286, Sep 30 1994 NATIONAL OILWELL VARCO, L P Method and apparatus for displacing a top drive torque track
5755296, Sep 13 1994 NABORS INDUSTRIES, INC Portable top drive
6024181, Sep 13 1994 NABORS INDUSTRIES, INC Portable top drive
6276450, May 02 1999 VARCO I P, INC Apparatus and method for rapid replacement of upper blowout preventers
6527047, Aug 24 1998 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Method and apparatus for connecting tubulars using a top drive
6536520, Apr 17 2000 Wells Fargo Bank, National Association Top drive casing system
6622796, Dec 24 1998 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Apparatus and method for facilitating the connection of tubulars using a top drive
6679333, Oct 26 2001 CANRIG DRILLING TECHNOLOGY, LTD Top drive well casing system and method
6688398, Aug 24 1998 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Method and apparatus for connecting tubulars using a top drive
6705405, Aug 24 1998 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Apparatus and method for connecting tubulars using a top drive
6725938, Dec 24 1998 WEATHERFORD TECHNOLOGY HOLDINGS, LLC Apparatus and method for facilitating the connection of tubulars using a top drive
6742596, May 17 2001 Wells Fargo Bank, National Association Apparatus and methods for tubular makeup interlock
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 07 2004Varco I/P, Inc.(assignment on the face of the patent)
Oct 12 2004FOLK, ROBERT ALDENVARCO I P, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159200640 pdf
Oct 12 2004FOLK, STEVEN LORENVARCO I P, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159200640 pdf
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