Downhole tractor wheel

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Description

FIG. 1 is a perspective view of a pair of downhole tractor wheels of the present invention;

FIG. 2 is an enlarged front perspective view of a downhole tractor wheel of the present invention;

FIG. 3 is a left side elevation view of the downhole tractor wheel of FIG. 2, the right side elevation being a mirror image thereof:

FIG. 4 is a rear elevation view of the downhole tractor wheel of FIG. 2;

FIG. 5. Is a top plan view of the downhole tractor wheel of FIG. 2; and,

FIG. 6. Is a bottom plan view of the downhole tractor wheel of FIG. 2.

The broken lines showing a downhole tractor in FIG. 1 are directed to environment and are for illustrative purposes only and form no part of the claimed design. The broken lines shown in FIG. 1 of an extra downhole tractor wheel, and the broken lines shown in FIGS. 2, 4, and 5 are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for a downhole tractor wheel, as shown and described.

Referenced Cited
U.S. Patent Documents
4793412 December 27, 1988 Rivas et al.
4862808 September 5, 1989 Hedgcoxe et al.
D322791 December 31, 1991 Wada et al.
D366073 January 9, 1996 Schmidt et al.
D377356 January 14, 1997 Bruns
D396863 August 11, 1998 Bruns
6031371 February 29, 2000 Smart
6675888 January 13, 2004 Schempf et al.
6684965 February 3, 2004 Bakke
D498778 November 23, 2004 Hu
7172026 February 6, 2007 Misselbrook
7273108 September 25, 2007 Misselbrook
D647118 October 18, 2011 Parker et al.
8353354 January 15, 2013 Hall et al.
20020130552 September 19, 2002 Juncker et al.
Patent History
Patent number: D699267
Type: Grant
Filed: Dec 21, 2012
Date of Patent: Feb 11, 2014
Assignee: Schlumberger Technology Corporation (Sugar Land, TX)
Inventor: Keith R. Nelson (Sugar Land, TX)
Primary Examiner: Mark Goodwin
Application Number: 29/440,416