|
The ornamental design for a support link for wellbore apparatus, 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
Patent | Priority | Assignee | Title |
7735565, | Dec 06 2006 | Varco I/P, Inc. | Dual-saddle ear support apparatus |
D956834, | Jan 19 2021 | Forged roller assembly | |
D957483, | Jan 19 2021 | Forged roller assembly |
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 |
4489794, | May 02 1983 | VARCO INTERNATIONAL, INC , A CA CORP | Link tilting mechanism for well rigs |
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 |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jun 07 2004 | Varco I/P, Inc. | (assignment on the face of the patent) | / | |||
Oct 12 2004 | FOLK, ROBERT ALDEN | VARCO I P, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015922 | /0859 | |
Oct 12 2004 | FOLK, STEVEN LORNE | VARCO I P, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015922 | /0859 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |