Definition of borehole survey

- Oct 28, 2019-

Definition of borehole survey


i. The process of determining the course of, and the target point reached by, a borehole, using one of several different azimuth and dip recording apparatuses small enough to be lowered into a borehole; also, the record of the information thereby obtained. Also called drillhole survey; directional survey.


Ref: Long


ii. The process of determining the mineralogical, structural, or physical characteristics of the formations penetrated by a borehole using geophysical logging apparatus small enough to be lowered into a borehole; also, the record of the information thereby obtained.


Ref: Long