Phosphate compound that is used in a microbial profile modificat

Details Phosphate compound that is used in a microbial profile modificat Phosphate compound that is used in a microbial profile modificat

1989-09-27

1990-08-14

Novosad, Stephen J.

Wells

Processes

Using microorganisms

166270, 166294, 4352536, E21B 4322, C12N 112, C12R 101

Patent

active

049479326

ABSTRACT:
The present invention is a phosphate compound for use in a bacterial nutrient medium. The medium is injected downhole in a petroleum formation along with a bacteria (or its spore) and provides the bacteria with growth nutrients. The nutrient solution contains a phosphate compound which: will not precipitate out of solution under ambient conditions; will chelate alkaline earth, rare earth, transition and heavy metal ions; and provide a nutrient source for the bacteria.

REFERENCES:
patent: 2844515 (1958-07-01), Sobotka et al.
patent: 4010071 (1977-03-01), Colegrove
patent: 4266031 (1981-05-01), Tang et al.
patent: 4460043 (1984-07-01), Thompson et al.
patent: 4558739 (1985-12-01), McInerney et al.
patent: 4658898 (1987-04-01), Paul et al.

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