Wells – Processes – Assembling well part
Reexamination Certificate
2008-04-01
2008-04-01
Bagnell, David (Department: 3676)
Wells
Processes
Assembling well part
C166S077520
Reexamination Certificate
active
11176694
ABSTRACT:
A guide is disclosed for facilitating the movement of tubulars in well operations. In one aspect, the guide is a pipe guide with a base, an upper extension apparatus, a lower extension apparatus with a first end pivotably secured to the upper extension apparatus and selectively extendable with the upper extension apparatus, and a pipe holder apparatus connected to the upper extension apparatus.
REFERENCES:
patent: 3883009 (1975-05-01), Swoboda et al.
patent: 4069879 (1978-01-01), Brown
patent: 4162873 (1979-07-01), Smith, Jr.
patent: 4182424 (1980-01-01), Prebensen
patent: 4306339 (1981-12-01), Ward
patent: 4492136 (1985-01-01), Walker
patent: 4518309 (1985-05-01), Brown
patent: 4625796 (1986-12-01), Boyadjieff
patent: 4684314 (1987-08-01), Luth
patent: 4951759 (1990-08-01), Richardson
patent: 5595248 (1997-01-01), Denny
patent: 5988299 (1999-11-01), Hansen et al.
patent: 6056478 (2000-05-01), Martin et al.
patent: 6536520 (2003-03-01), Snider et al.
patent: 6739397 (2004-05-01), Ayling
patent: 6742584 (2004-06-01), Appleton
patent: 6854520 (2005-02-01), Robichaux
patent: 7188547 (2007-03-01), West et al.
patent: 2003/0221519 (2003-12-01), Haugen
patent: 2004/0154835 (2004-08-01), Allen et al.
patent: O387017 (1990-07-01), None
patent: WO 98/16716 (1997-10-01), None
Continuous Circulation Systems. Shaffer—A Varco Company. 2 pp., 2003.
CCS Circulating System. Shafter—A Varco Comopany. 3 pp., Aug. 2002.
Written Opinion; PCT/GB2005/050195; 7 pages; Jan. 20, 2006.
Int'l Search Report; PCT/GB2005/050195; 4 pages; Jan. 20, 2006.
Bennett Dean A.
Brugman James D.
Ensley Eric T.
Springett Frank Benjamin
Bagnell David
McClung Guy
Stephenson Daniel P
Varco I/P Inc.
LandOfFree
Pipe guide does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pipe guide, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pipe guide will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3951779