Monthly eNewsletter from the IADC

IADC Lexicon Featured Term for November 2020


The IADC Lexicon is an oil and gas dictionary of upstream-related terms, which, unlike conventional glossaries, are official definitions drawn from legislation, regulation and regulatory guidance, standards (global, national and regional), IADC guidelines, and Well Control Institute. Terms often have multiple definitions from different sources.

This November’s Featured Term is:

Rated SpeedSource: API SPEC 7K, Drilling and Well Servicing Equipment Upstream Segment, Fifth Edition, June 2010 (August 2010):

Rate of rotation, motion, or velocity as specified by the manufacturer.