Workover and completion fluids

Details Workover and completion fluids Workover and completion fluids

1982-04-12

1985-03-05

Guynn, Herbert B.

Compositions

Leather or fur treating

166305R, E21B 4300

Patent

active

045029695

ABSTRACT:
When added to a water-based workover or completion fluid, a mixed polysaccharide such as a malto-dextrin reduces the gel strength and water loss from said fluid, simultaneously increasing yield point.

REFERENCES:
patent: 2604447 (1952-07-01), Cummer et al.
patent: 3891565 (1975-06-01), Colpoys
patent: 3898294 (1959-08-01), Priest et al.
patent: 3988246 (1976-10-01), Hartfiel
patent: 3993570 (1976-11-01), Jackson et al.
patent: 3998742 (1976-12-01), Walker
patent: 4046197 (1977-09-01), Gruesbeck et al.
patent: 4235965 (1980-11-01), Walon

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