Drilling mud containing sodium carboxymethylcellulose and sodium

Details Drilling mud containing sodium carboxymethylcellulose and sodium Drilling mud containing sodium carboxymethylcellulose and sodium

1977-08-03

1978-10-31

Guynn, Herbert B.

Compositions

Leather or fur treating

252 85C, C09K 702

Patent

active

041233662

ABSTRACT:
Sodium carboxymethylcellulose and sodium carboxymethyl starch incorporated together in drilling mud, especially sea water mud, yield better flow properties with low fluid loss in drilling mud. The control of flow properties and thixotropy at low water loss values in salty drilling muds are better when the mixture is used than for either of the materials used separately.

REFERENCES:
patent: 2425768 (1947-08-01), Wagner
patent: 2561418 (1951-07-01), Ryan
patent: 2957822 (1960-10-01), Frint
patent: 3105046 (1963-09-01), Fischer
patent: 3471402 (1969-10-01), Shannon et al.
Rogers, Composition and Properties of Oil Well Drilling Fluids, Third Edition, 1963, pp. 471, 475, 477 and 478.
Kerr, Chemistry and Industry of Starch, 1944, p. 191.

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