Carboxymethylhydroxyethyl cellulose in drilling, workover and co

Details Carboxymethylhydroxyethyl cellulose in drilling, workover and co Carboxymethylhydroxyethyl cellulose in drilling, workover and co

1978-06-05

1980-12-16

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85A, 252 855R, 252316, C09K 702

Patent

active

042396298

ABSTRACT:
Certain carboxymethylhydroxyethyl cellulose (CMHEC) solutions in waters of various salinities are gelled by dichromate ion at a pH of about 5 or less, thus forming a drilling fluid or component thereof. In an embodiment a CMHEC water solution is gelled using an alkali metal dichromate, e.g., Na.sub.2 Cr.sub.2 O.sub.7.2H.sub.2 O.

REFERENCES:
patent: 3251781 (1966-05-01), Jordan
patent: 3727687 (1973-04-01), Clampitt et al.
patent: 3818998 (1974-06-01), Hessert
patent: 3833061 (1974-09-01), Gall
patent: 3921733 (1975-11-01), Clampitt
patent: 4068720 (1978-01-01), Hessert et al.
patent: 4110231 (1978-08-01), Swanson

Affiliated with

Also associated with

Rating

Carboxymethylhydroxyethyl cellulose in drilling, workover and co does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Carboxymethylhydroxyethyl cellulose in drilling, workover and co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Carboxymethylhydroxyethyl cellulose in drilling, workover and co will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-606751