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...). <b>3</b>. The attitude of a borehole. The <b>drift angle</b> or <b>hole deviation</b> is the angle between the borehole axis and the vertical; the <b>drift a
2 KB (281 words) - 10:25, 14 March 2017
The rate of decrease of deviation in the curved part of a deviated hole; often measured in degrees/100 ft. Antonym: <b>build rate</b>.
166 bytes (29 words) - 14:25, 11 May 2017
The rate of increase of deviation in the curved part of a deviated hole; often measured in degrees/100 ft.
139 bytes (24 words) - 21:06, 14 May 2017
Azimuth of hole deviation with respect to the reference on a dipmeter sonde (such as the No. 1 electr
145 bytes (23 words) - 00:20, 11 June 2017
25 bytes (3 words) - 15:27, 24 July 2017
91 bytes (11 words) - 15:27, 24 July 2017
...e, (b) a reading of the azimuth of one of these, (c) a reading of the hole deviation or drift angle, (d) its bearing, and (e) one or two caliper measurements. E
536 bytes (86 words) - 13:03, 11 October 2017