US PATENT SUBCLASS 73 / 152.24
.~.~.~ From formation wall

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

152.01  DF  BOREHOLE OR DRILLING (E.G., DRILL LOADING FACTOR, DRILLING RATE, RATE OF FLUID FLOW) {6}
152.18  DF  .~ Fluid flow measuring or fluid analysis {6}
152.23  DF  .~.~ With sampling {3}
152.24.~.~.~ From formation wall {2}
152.25  DF  .~.~.~.~> With a filter
152.26  DF  .~.~.~.~> With sealing detail

DEFINITION

Classification: 73/152.24

From formation wall:

(under subclass 152.23) Subject matter wherein the sample is taken of fluid flowing from the formation into the borehole.

SEE OR SEARCH THIS CLASS, SUBCLASS:

152.02, for a borehole study by formation logging.