US PATENT SUBCLASS 166 / 255.2
.~.~.~ Tool orienting

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}
255.1  DF  .~.~ Determining position of object in well {1}
255.2.~.~.~ Tool orienting {1}
255.3  DF  .~.~.~.~> Using whipstock

DEFINITION

Classification: 166/255.2

Tool orienting:

(under subclass 255.1) Determining position of an object including a step of setting or arranging a device in a determinate position with respect to other well structure or the formation.