Wells – Processes – Destroying or dissolving well part
Reexamination Certificate
2007-02-13
2007-02-13
Dang, Hoang (Department: 3672)
Wells
Processes
Destroying or dissolving well part
C166S242700, C166S377000
Reexamination Certificate
active
10803351
ABSTRACT:
A disconnection device for disconnecting a tool and a pipe string comprises a first connection part releasably connected to a second connection part by means of a locking device and a release object. The release object is soluble by means of, for example, acid.
REFERENCES:
patent: 2843399 (1958-07-01), Arterbury et al.
patent: 2988145 (1961-06-01), Clark
patent: 3753471 (1973-08-01), Kammerer et al.
patent: 3842914 (1974-10-01), Mott
patent: 4289202 (1981-09-01), Henderson
patent: 4449736 (1984-05-01), Blackwell
patent: 4601492 (1986-07-01), George
patent: 4915423 (1990-04-01), Wallace
patent: 4984632 (1991-01-01), Sampa et al.
patent: 5092364 (1992-03-01), Mullins
patent: 5127482 (1992-07-01), Rector, Jr.
patent: 5257663 (1993-11-01), Pringle et al.
patent: 5398763 (1995-03-01), Watson et al.
patent: 5419399 (1995-05-01), Smith
patent: 5526888 (1996-06-01), Gazewood
patent: 5709269 (1998-01-01), Head
patent: 5718291 (1998-02-01), Lorgen et al.
patent: 5787982 (1998-08-01), Bakke
patent: 5810088 (1998-09-01), Lamirand et al.
patent: 5984029 (1999-11-01), Griffin et al.
patent: 6053262 (2000-04-01), Ferguson et al.
patent: 6131953 (2000-10-01), Cojnnell et al.
patent: 6186249 (2001-02-01), Bjornstad
patent: 6213206 (2001-04-01), Bakke
patent: 6276457 (2001-08-01), Moffatt et al.
patent: 6318470 (2001-11-01), Chang et al.
patent: 6408946 (2002-06-01), Marshall et al.
patent: 6439305 (2002-08-01), Bakke
patent: 6450541 (2002-09-01), Bakke
patent: 6474701 (2002-11-01), Bowles et al.
patent: 6629563 (2003-10-01), Doane
patent: 6755249 (2004-06-01), Robison et al.
patent: 6908118 (2005-06-01), Fumioka
patent: 6923256 (2005-08-01), Parker
patent: 2004/0045704 (2004-03-01), Bowles
patent: 2 312 074 (1998-07-01), None
patent: 2 334 047 (1999-08-01), None
patent: 2 355 050 (2001-04-01), None
patent: 2 361 727 (2001-10-01), None
patent: WO 97/29270 (1997-08-01), None
patent: WO 98/30823 (1998-07-01), None
patent: WO 98/32946 (1998-07-01), None
patent: WO 01/16456 (2001-03-01), None
Translation of Norwegian Search Report and Citations, dated Aug. 25, 2003 from NO 2003 1305.
EP Search Report, Application No. EP04100276, dated Jul. 9, 2004.
Bakke Oil Tools AS
Dang Hoang
Patterson & Sheridan LLP
LandOfFree
Device and a method for disconnecting a tool from a pipe string does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Device and a method for disconnecting a tool from a pipe string, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device and a method for disconnecting a tool from a pipe string will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3816367