
Upgraded to operate in HPHT environments. A patented wireline retrievable and reinsertable MWD system capable of working in drilling assemblies from 9 1/2in. O.D. to as small as 3 1/8in. O. D. The HDS-1R™ provides accurate inclination/azimuth measurements for all HPHT drilling applications. A gamma ray log is also available with the optional in collar gamma-ray sensor.
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