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What is Drillstring Weight and Torque Calculations about?

This document provides examples of calculations for drillstring components including: 1) Pipe stretch calculation using a formula that relates stretch to differential pull, weight of pipe, and length of free pipe. 2) Calculation of allowable simultaneous torque and pull on drill pipe using formulas relating torque to pipe dimensions, material properties, tensile load, and safety factor. 3) Formulas for calculating surface weights required to fire or cock jarring tools up or down, accounting for uphole

Author

riobm

Language

EN