• API Spec 7-1997

API Spec 7-1997

Specification for Rotary Drill Stem Elements

American Petroleum Institute , 12/01/1997

Publisher: API

File Format: PDF

$72.00$144.00


Covers dimensional requirements on drill-stem members (except drill pipe), including threaded connections, gauging practice, and master gauges. Also recommended practices for the care and use of regional master, reference master, and working gauges. Includes errata dated 10/99.

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