Wells – Processes – Placing or shifting well part
Reexamination Certificate
2007-06-27
2008-09-09
Wright, Giovanna C (Department: 3672)
Wells
Processes
Placing or shifting well part
C166S379000, C166S075130, C166S089100
Reexamination Certificate
active
07422070
ABSTRACT:
A casing mandrel for an independent screwed wellhead includes a pin thread adapted for engagement with a box thread of a well stimulation tool lockdown nut for securing the well stimulation tool against the casing mandrel top end. A well stimulation tool and a tubing head spool for use with the casing mandrel are also provided.
REFERENCES:
patent: 2122071 (1938-06-01), Rasmussen et al.
patent: 2150887 (1939-03-01), Mueller et al.
patent: 2159526 (1939-05-01), Humason
patent: 3343603 (1967-09-01), Miller
patent: 3404736 (1968-10-01), Nelson et al.
patent: 3675719 (1972-07-01), Stator et al.
patent: 4353420 (1982-10-01), Miller
patent: 4595053 (1986-06-01), Watkins et al.
patent: 4804045 (1989-02-01), Reed
patent: 4993488 (1991-02-01), McLeod
patent: 5092401 (1992-03-01), Heynen
patent: 5421407 (1995-06-01), Thornburrow
patent: 5540282 (1996-07-01), Dallas
patent: 5605194 (1997-02-01), Smith
patent: 5660234 (1997-08-01), Hebert et al.
patent: 6145596 (2000-11-01), Dallas
patent: 6179053 (2001-01-01), Dallas
patent: 6196323 (2001-03-01), Moskvold
patent: 6220363 (2001-04-01), Dallas
patent: 6247537 (2001-06-01), Dallas
patent: 6289993 (2001-09-01), Dallas
patent: 6364024 (2002-04-01), Dallas
patent: 6447021 (2002-09-01), Haynes
patent: 6491098 (2002-12-01), Dallas
patent: 6530433 (2003-03-01), Smith et al.
patent: 6557629 (2003-05-01), Wong et al.
patent: 6595297 (2003-07-01), Dallas
patent: 6626245 (2003-09-01), Dallas
patent: 6695064 (2004-02-01), Dallas
patent: 6769489 (2004-08-01), Dallas
patent: 6817421 (2004-11-01), Dallas
patent: 6817423 (2004-11-01), Dallas
patent: 6820698 (2004-11-01), Haynes
patent: 6827147 (2004-12-01), Dallas
patent: 6918439 (2005-07-01), Dallas
patent: 6918441 (2005-07-01), Dallas
patent: 6920925 (2005-07-01), Duhn et al.
patent: 6938696 (2005-09-01), Dallas
patent: 6948565 (2005-09-01), Dallas
patent: 7066269 (2006-06-01), Dallas et al.
patent: 7237615 (2007-07-01), Dallas et al.
Dallas L. Murray
McGuire Bob
Nelson Mulhns Riley & Scarborough, LLP
Stinger Wellhead Protection, Inc.
Wright Giovanna C
LandOfFree
Casing mandrel with well stimulation tool and tubing head... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Casing mandrel with well stimulation tool and tubing head..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Casing mandrel with well stimulation tool and tubing head... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3979726