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API RP 7G : 1998

Recommended Practice for Drill Stem Design and Operating Limits

Standard Details


Covers recommendations for the design and selection of drill string members and includes considerations of hole angle control, drilling fluids, weight, and rotary speed. Tables and graphs are included that present dimensional, mechanical, and performance properties of new and used drill pipe; new tool joints used with new and used drill pipe; drill collars; and kellys. Recommended standards for inspection of used drill pipe, used tubing work strings, and used tool joints are included.

General Information

Status : ACTIVE
Standard Type: Main
Document No: API RP 7G : 1998
Document Year: 1998
  • Section Volume:
  • 01 Exploration and Production

Life Cycle

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API RP 7G : 1998

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