دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: Usually refers to the operation that ogging device measures deviation angle and azimuth. There are two types: single-shot survey and multimetering.

n: an operation made to determine the angle from which a bit has deviated from the vertical during drilling. There are two basic deviation-survey, or driftsurvey, instruments: one reveals the drift angle;the other indicates both the angle and the direction of deviation.

n: See bore-hole surveying.

a record of the deviation angle and the departure usually on a depth unit basis.

n: see bore-hole surveying.