Drilling fluids

Details Drilling fluids Drilling fluids

1973-04-27

1976-05-11

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85A, 252 855R, 252353, 260 175, 260 293, 260 49, C09K 702

Patent

active

039561402

ABSTRACT:
Well drilling, workover and completion fluids containing various water soluble condensation products of phenolic materials, formaldehyde and sulfite salts. Such condensation products may be further modified by including during the condensation reaction one or more of urea, melamine, salicylic acid, benzoic acid, phthalic acid, adipic acid, succinic acid, glutaric acid, maleic acid or the anhydrides of said acids. The drilling, workover or completion fluids may also contain clay-dispersants.

REFERENCES:
patent: 2331281 (1943-10-01), Wayne
patent: 2560380 (1951-07-01), Wrightsman
patent: 2681312 (1954-06-01), Salathiel
patent: 2935504 (1960-05-01), King et al.
patent: 3095392 (1963-06-01), Herrick
patent: 3325426 (1967-06-01), Markham
patent: 3352902 (1967-11-01), Moschopedis
patent: 3700728 (1972-10-01), Moschopedis et al.
patent: 3766229 (1973-10-01), Turner et al.
Tishchenko et al., Article in Journal of Applied Chemistry of the U.S.S.R., Vol. 35, No. 3, Mar. 1962, pp. 611-619.

Affiliated with

Also associated with

Rating

Drilling fluids does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drilling fluids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling fluids will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1301246