Useful Links

Geophysical Information

U.S. Geological Society/ NOAA National Centers for Environmental Information

British Geological Society

Drill Stem Specifications and Inspection

API Standards [Spec 7/ RP7G]

T.H. Hill Associates Inc [DS1]

Fearnley Procter Group [NS1/ NS2]

Professional Societies

Industry Steering Committee on Wellbore Survey Accuracy

Society of Petroleum Engineers

Society of Petrophysicists and Well Log Analysts


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