Oil well completion fluid

Details Oil well completion fluid Oil well completion fluid

1983-03-11

1985-06-04

Padgett, Ben R.

Compositions

Leather or fur treating

252 855E, E21B 4300, E21B 4326

Patent

active

045213160

ABSTRACT:
A well-treating fluid of high density, solids-free and corrosion-resistance is formed comprising an aqueous solution of at least 50% by weight tetrapotassium pyrophosphate and a salt which can be either monopotassium orthophosphate, dipotassium orthophosphate or tripotassium orthophosphate, or mixtures thereof, wherein the salt is present in amounts sufficient to yield a predetermined pH in said fluid of about 8.5 to about 12, a predetermined specific gravity of at least about 1.65, and has high resistance to recrystallization of its solutes.

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