US PATENT SUBCLASS 166 / 252.3
.~.~.~ Salinity or acidity

Current as of: June, 1999
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166 /   HD   WELLS

244.1  DF  PROCESSES {39}
250.01  DF  .~ With indicating, testing, measuring or locating {21}
252.1  DF  .~.~ Including production of earth fluid by driving fluid {5}
252.3.~.~.~ Salinity or acidity

DEFINITION

Classification: 166/252.3

Salinity or acidity:

(under subclass 252.1) Production of earth fluid by driving fluid including the step(s) of determining the amount of (a) a compound that results when, in an acid, the hydrogen is replaced by a metallic element or compound or (b) a compound containing hydrogen in a fluid.