Wells – Processes – Placing or shifting well part
Reexamination Certificate
2006-04-11
2006-04-11
Gay, Jennifer H (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S077100, C166S077530, C166S085100, C166S368000, C166S380000, C175S203000
Reexamination Certificate
active
07025147
ABSTRACT:
An apparatus for, and method of, lowering items from a drilling rig to a well located below it. One embodiment includes the use of a landing string comprised of drill pipe having an enlarged diameter section with a shoulder along with upper and lower holders having wedge members also with shoulders that engage and support the drill pipe at the shoulder of the enlarged diameter section. In this embodiment the drill pipe and wedge members can be rotatable with respect to each other.
REFERENCES:
patent: 3094852 (1963-06-01), Taylor
patent: 3096075 (1963-07-01), Brown
patent: 3629927 (1971-12-01), Palmer et al.
patent: 3791442 (1974-02-01), Watkins
patent: 4449596 (1984-05-01), Boyadjieff
patent: 4791997 (1988-12-01), Krasnov
patent: 4887673 (1989-12-01), Skoruppa
patent: 5297833 (1994-03-01), Willis et al.
patent: 5351767 (1994-10-01), Stogner et al.
patent: 5595248 (1997-01-01), Denny
patent: 5732909 (1998-03-01), Sonnier
patent: 5992801 (1999-11-01), Torres
patent: 6047781 (2000-04-01), Scott et al.
patent: 6089338 (2000-07-01), Bouligny, Jr.
patent: 6237684 (2001-05-01), Bouligny, Jr. et al.
patent: 6349764 (2002-02-01), Adams et al.
patent: 6364012 (2002-04-01), Adams et al.
patent: 6378614 (2002-04-01), Adams et al.
patent: 6644413 (2003-11-01), Adams et al.
patent: WO 00/52297 (2000-09-01), None
patent: WO 01/94737 (2001-12-01), None
patent: WO 03/062584 (2003-07-01), None
S. T. Horton, “Drill String and Drill Collars,” Rotary Drilling Series of Instructional Texts, Unit I, Lesson 3, First Edition, 1995 (more than 4 years earlier than effective filing date of captioned application), pp. 0-105 (entire book) published by Petroleum Extension Service, Division of Continuing Education, The University of Texas at Austin, in cooperation with International Association of Drilling Contractors.
L.D. Davis, “Rotary, Kelly, Swivel, Tongs, And Top Drive,” Rotary Drilling Series of Instructional Texts, Unit I, Lesson 4, First Edition, 1995 (more than 4 years earlier than effective filing date of captioned application), pp. 27-39 and 48-62 published by Petroleum Extension Service, Division of Continuing Education, The University of Texas at Austin, in cooperation with International Association of Drilling Contractors.
L.D. Davis, “The Blocks and Drilling Line,” Rotary Drilling Series of Instructional Texts, Unit I, Lesson 5, Third Edition, 1996 (more than 3 years earlier than effective filing date of captioned application), pp. 1-2 and 89-92, published by Petroleum Extension Service, Division of Continuing Education, The University of Texas at Austin, in cooperation with International Association of Drilling Contractors.
Tom H. Hill, letter (2 pages) to Mr. Burt Adams dated Aug. 20, 2001, with 4 pages of attached drawings.
A.T. Bourgoyne, Jr., et al., “Applied Drilling Engineering,” 1991 (more than 9 years earlier than the effective filing date of the captioned application), vol. 2, p. 19, published by Society of Petroleum Engineers.
Adams Burt A.
Henry Norman A.
Schafer William C.
Garvey, Smith Nehrbass & North, L.L.C.
Gay Jennifer H
North Brett A.
Oil & Gas Rental Services, Inc.
LandOfFree
Apparatus for, and method of, landing items at a well location does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for, and method of, landing items at a well location, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for, and method of, landing items at a well location will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3558197