Acid soluble packer and workover fluid

Details Acid soluble packer and workover fluid Acid soluble packer and workover fluid

1975-03-03

1977-03-15

Padgett, Benjamin R.

Compositions

Radioactive compositions

Nuclear reactor fuel

252 85C, 166270, 166294, C09K 300, C09K 700, E21B 4322

Patent

active

040123286

ABSTRACT:
A well completion and packer fluid additive consisting essentially of carboxymethyl cellulose crosslinked with an inorganic chromium compound. The fluids prepared with this procedure have temperature stability to 250.degree. F., excellent resistance to contamination, stability in electrolyte solutions such as KCl and CaCl.sub.2 and upon acidizing the fluid retains less the 3% residue.

REFERENCES:
patent: 3625889 (1971-12-01), Branscum
patent: 3658129 (1972-04-01), Lanning et al.
patent: 3699042 (1972-10-01), Browning et al.
patent: 3757863 (1973-09-01), Clampitt et al.
patent: 3762476 (1973-10-01), Gall
patent: 3800872 (1974-04-01), Friedman

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