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Publication numberUSD523210 S1
Publication typeGrant
Application numberUS 29/208,313
Publication dateJun 13, 2006
Filing dateJun 24, 2004
Priority dateJun 7, 2004
Also published asUSD519136, USD532798, USD533196
Publication number208313, 29208313, US D523210 S1, US D523210S1, US-S1-D523210, USD523210 S1, USD523210S1
InventorsRobert Alden Folk, Steven Lorne Folk
Original AssigneeVarco I/P, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Block becket for use in a wellbore derrick
US D523210 S1
Images(2)
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Claims(1)
  1. The ornamental design for a block becket for use in a wellbore derrick, as shown and described.
Description

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.

Non-Patent Citations
Reference
11000 Ton AC Top Drive-TDS-1000, Varco Systems, 2 pp., 2002.
2500 Ton DC Top Drive IDS-1, Varco Systems, 2 pp., 2002.
3750 Ton DC Top Drive TDS-45, Varco Systems, 2 pp., 2002.
4Ac Top Drive Technology Update #2, Varco Systems, 1 p. Prior to 2002.
5An Overview of Top-Drive Drilling Systems Applications and Experiences, G.I. Boyadjieff, 1ADC/SPE 14716, 8 pp. 1986.
6Challenger Rig & Mfg., Inc., Doghouse, Composite Catalog 1982-83., p. 1984-C, 1982.
7Top Drive Drilling System TD 500 PAC Variable Frequency AC Top Drive, National Oilwell, 6 pp., 2002.
8Varco Pioneers AC Top Drive, Engineering Award Winners, AC Top Drive Technology Update #1. Hart's Petroleum Engineer, 4 pp., Apr. 1997.
9Varco's Top Drive Systems are advancing the technology of drilling, Varco Systems, 8 pp., 2001.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7735565Oct 22, 2009Jun 15, 2010Varco I/P, Inc.Dual-saddle ear support apparatus
US8628054Jun 9, 2011Jan 14, 2014National Oilwell Varco L.P.Support becket for rig operations
Classifications
U.S. ClassificationD34/35