Environmentally compatible high density drill mud or blow-out co

Details Environmentally compatible high density drill mud or blow-out co Environmentally compatible high density drill mud or blow-out co

1983-03-21

1985-05-28

Morris, Theodore

Compositions

Leather or fur treating

252 85A, 252 855R, C09K 700

Patent

active

045199221

ABSTRACT:
An environmentally compatible high density drilling or blow-out control fluid is provided wherein densities between twenty-four (24) and forty (40) pounds per gallon can be achieved. Such preferred fluid is aqueous based, uses a non-toxic gelling agent such as fine iron oxide powder, a coarser first weighting material such as fine iron powder, and a second still coarser weighting material such as iron shot, steel shot or mixtures thereof.

REFERENCES:
patent: 2298984 (1942-10-01), Stinson et al.
patent: 3498394 (1970-03-01), Goodwin et al.
patent: 3867128 (1975-02-01), Hancock
patent: 4092407 (1978-05-01), Rohrborn et al.
patent: 4436681 (1984-03-01), Barczak et al.
Chem. Abstract 87: 70761u, Roehrborn, Jun. 26, 1975.

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