|Publication number||USD524334 S1|
|Application number||US 29/207,009|
|Publication date||Jul 4, 2006|
|Filing date||Jun 7, 2004|
|Priority date||Jun 7, 2004|
|Also published as||CA108661S, CA114991S|
|Publication number||207009, 29207009, US D524334 S1, US D524334S1, US-S1-D524334, USD524334 S1, USD524334S1|
|Inventors||Robert Alden Folk, Steven Lorne Folk|
|Original Assignee||Varco I/P, Inc.|
|Export Citation||BiBTeX, EndNote, RefMan|
|Non-Patent Citations (9), Classifications (1) |
|External Links: USPTO, USPTO Assignment, Espacenet|
Swivel body for a well top drive system
US D524334 S1
The ornamental design for a swivel body for a well top drive system, as shown and described.
FIG. 1 is a perspective view of a first side and a first end of swivel body according to the present invention.
FIG. 2 is a perspective view of a second side opposite the first side of FIG. 1 and a second end opposite the first end of FIG. 1.
FIG. 3 is a bottom view of the swivel body of FIG. 1; and,
FIG. 4 is a top view of the swivel body 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.|