Sugar cane additive for filtration control in well working...

Details Sugar cane additive for filtration control in well working... Sugar cane additive for filtration control in well working...

2006-08-22

2006-08-22

Tucker, Philip C. (Department: 1712)

Earth boring, well treating, and oil field chemistry

Earth boring

Contains organic component

C507S204000, C175S072000

Reexamination Certificate

active

07094737

ABSTRACT:
An additive for controlling filtration loss from a well working fluid in contact with a permeable formation, which comprises sugar cane ash, or sugar cane ash and a cellulose-like material, or sugar cane ash, a cellulose-like material and an oleaginous liquid, wherein the sugar cane ash and cellulose-like material have a particle size no more than 300 microns.

REFERENCES:
patent: 3215634 (1965-11-01), Walker
patent: 3299952 (1967-01-01), Savins
patent: 4249954 (1981-02-01), Keogh
patent: 4356096 (1982-10-01), Cowan
patent: 4439328 (1984-03-01), Moity
patent: 4503170 (1985-03-01), Drake et al.
patent: 4531594 (1985-07-01), Cowan
patent: 4649999 (1987-03-01), Sandy
patent: 4745096 (1988-05-01), Keogh

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