US PATENT SUBCLASS 166 / 250.15
.~.~ Automatic control for production
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}
250.15
.~.~ Automatic control for production
DEFINITION
Classification: 166/250.15
Automatic control for production:
(under subclass 250.01) Measuring including the step(s) of using a sensor to regulate outgoing gas or oil without an operator.