US PATENT SUBCLASS 340 / 853.8
.~ With orientation sensing of subsurface telemetering equipment (other than drilling equipment)

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

853.1  DF  WELLBORE TELEMETERING OR CONTROL (E.G., SUBSURFACE TOOL GUIDANCE, DATA TRANSFER, ETC.) {14}
853.8.~ With orientation sensing of subsurface telemetering equipment (other than drilling equipment)

DEFINITION

Classification: 340/853.8

With orientation sensing of subsurface telemetering equipment (other than drilling equipment):

(under subclass 853.1) Subject matter combined with a determination of the angular direction of the subsurface communications equipment with respect to a vertical axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

853.4, and 856.1, for subsurface communications in a horizontal or inclined opening in the earth.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

302, and 304+ for wellbore configuration determination.

175, Boring or Penetrating the Earth,

40, for determination of inclination of a drilling tool position or direction.