Earth boring – well treating – and oil field chemistry – Well treating
Reexamination Certificate
2011-03-08
2011-03-08
Nagpaul, Jyoti (Department: 1797)
Earth boring, well treating, and oil field chemistry
Well treating
C507S090000, C507S269000, C507S276000, C137S001000
Reexamination Certificate
active
07902126
ABSTRACT:
For lost circulation treatment, a lost circulation additive including a dry mixture of water soluble crosslinkable polymer, a crosslinking agent, and a reinforcing material of fibers and/or comminuted plant materials. The method of forming a lost circulation fluid includes contacting the additive with water or an aqueous solution, with a method of conforming the formation further including the step of injecting the fluid into the wellbore.
REFERENCES:
patent: 3208524 (1965-09-01), Horner et al.
patent: 3408296 (1968-10-01), Kuhn et al.
patent: 3766984 (1973-10-01), Nimerick
patent: 3845822 (1974-11-01), Clampitt et al.
patent: 4183406 (1980-01-01), Lundberg et al.
patent: 4566979 (1986-01-01), Githens
patent: 4722397 (1988-02-01), Sydansk et al.
patent: 4957166 (1990-09-01), Sydansk
patent: 4989673 (1991-02-01), Sydansk
patent: 5004553 (1991-04-01), House et al.
patent: 5229018 (1993-07-01), Forrest
patent: 5246602 (1993-09-01), Forrest
patent: 5377760 (1995-01-01), Merrill
patent: 5415229 (1995-05-01), Sydansk
patent: 5421411 (1995-06-01), Sydansk
patent: 5501275 (1996-03-01), Card et al.
Gilbreth J. M. (Mark)
Gilbreth Mary A.
Gilbreth Roebuck PC
Nagpaul Jyoti
LandOfFree
Well lost circulation additive, lost circulation treatment... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Well lost circulation additive, lost circulation treatment..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Well lost circulation additive, lost circulation treatment... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2758603