RESEARCH PAPERS: Drilling/Equipment Manufacturing

Analysis of Tubular Connections Using a Thin Cylinder Approximation—Part II

[+] Author and Article Information
P. D. Pattillo

Amoco Production Company, Tulsa, Okla. 74102

J. Energy Resour. Technol 105(4), 567-573 (Dec 01, 1983) (7 pages) doi:10.1115/1.3230971 History: Received November 10, 1982; Revised June 02, 1983; Online October 22, 2009


The results from Part I of this two-part study are used to predict the performance of threaded connections, in particular API round thread connections. The effects of inelastic deformation, taper tolerance, and thread lubricant on makeup and on the stress state of such connections are examined. Important insights gained from the analysis include the variation of makeup torque and ensuing bearing pressure and leak integrity with variations in tubular material properties and geometry.

Copyright © 1983 by ASME
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