Swivel body for a well top drive system

- Varco I/P, Inc.
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Description

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.

Claims

The ornamental design for a swivel body for a well top drive system, as shown and described.

Referenced Cited
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Other references
  • An Overview of Top-Drive Drilling Systems Applications and Experiences, G.I. Boyadjieff, 1ADC/SPE 14716, 8 pp. 1986.
  • Varco Pioneers AC Top Drive, Engineering Award Winners, AC Top Drive Technology Update #1, Hart's Petroleum Engineer, 4 pp., Apr. 1997.
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  • AC Top Drive Technology Update #2, Varco Systems, 1 p. Prior to 2002.
  • Top Drive Drilling System TD 500 PAC Variable Frequency AC Top Drive, National Oilwell, 6 pp., 2002.
  • 1000 Ton AC Top Drive—TDS—1000, Varco Systems, 2 pp., 2002.
  • 750 Ton DC Top Drive TDS—45, Varco Systems, 2 pp., 2002.
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Patent History
Patent number: D524334
Type: Grant
Filed: Jun 7, 2004
Date of Patent: Jul 4, 2006
Assignee: Varco I/P, Inc. (Houston, TX)
Inventors: Robert Alden Folk (Calgary), Steven Lorne Folk (Sherwood Park)
Primary Examiner: Antoine D. Davis
Attorney: Guy McClung
Application Number: 29/207,009
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140)