|Publication number||USD523210 S1|
|Application number||US 29/208,313|
|Publication date||13 Jun 2006|
|Filing date||24 Jun 2004|
|Priority date||7 Jun 2004|
|Also published as||USD519136, USD532798, USD533196|
|Publication number||208313, 29208313, US D523210 S1, US D523210S1, US-S1-D523210, USD523210 S1, USD523210S1|
|Inventors||Robert Alden Folk, Steven Lorne Folk|
|Original Assignee||Varco I/P, Inc.|
|Export Citation||BiBTeX, EndNote, RefMan|
|Non-Patent Citations (9), Referenced by (1), Classifications (1) |
|External Links: USPTO, USPTO Assignment, Espacenet|
Block becket for use in a wellbore derrick
US D523210 S1
The ornamental design for a block becket for use in a wellbore derrick, as shown and described.
FIG. 1 is a perspective view of a design for a block becket for use in a wellbore derrick according to the present invention.
FIG. 2 is a top view of the block becket of FIG. 1.
FIG. 3 is a first side view of the block becket of FIG. 1.
FIG. 4 is a bottom view of the block becket of FIG. 1.
FIG. 5 is a second side view of the block becket of FIG. 1, opposite the first side shown in FIG. 3.
FIG. 6 is a front view of the block becket of FIG. 1; and,
FIG. 7 is a rear view of the block becket of FIG. 1.
|1||1000 Ton AC Top Drive-TDS-1000, Varco Systems, 2 pp., 2002.|
|2||500 Ton DC Top Drive IDS-1, Varco Systems, 2 pp., 2002.|
|3||750 Ton DC Top Drive TDS-45, Varco Systems, 2 pp., 2002.|
|4||Ac Top Drive Technology Update #2, Varco Systems, 1 p. Prior to 2002.|
|5||An Overview of Top-Drive Drilling Systems Applications and Experiences, G.I. Boyadjieff, 1ADC/SPE 14716, 8 pp. 1986.|
|6||Challenger Rig & Mfg., Inc., Doghouse, Composite Catalog 1982-83., p. 1984-C, 1982.|
|7||Top Drive Drilling System TD 500 PAC Variable Frequency AC Top Drive, National Oilwell, 6 pp., 2002.|
|8||Varco Pioneers AC Top Drive, Engineering Award Winners, AC Top Drive Technology Update #1. Hart's Petroleum Engineer, 4 pp., Apr. 1997.|
|9||Varco's Top Drive Systems are advancing the technology of drilling, Varco Systems, 8 pp., 2001.|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US7735565||22 Oct 2009||15 Jun 2010||Varco I/P, Inc.||Dual-saddle ear support apparatus|