An Experimental Evaluation of Drill Pipe Protectors

[+] Author and Article Information
W. B. Bradley

Shell Development Company, Houston, Texas

J. Pressure Vessel Technol 99(1), 199-207 (Feb 01, 1977) (9 pages) doi:10.1115/1.3454509 History: Received June 22, 1976; Online October 25, 2010


Previous tests [1] have shown drill pipe protectors are of value in reducing casing wear, particularly at high contact loads. However, the brand of protectors tested could not withstand high contact loads without slipping on the drill pipe and tearing apart. As a result, further tests were conducted to find a protector which can withstand high contact loads without slipping or failing and still minimize casing wear. Results from the present tests show that drill pipe protectors can be made to operate at high contact loads without failure, grip the drill pipe without slipping, and maintain a low rate of casing wear. In addition, the test results indicate that drill pipe protector quality control needs to be improved.

Copyright © 1977 by ASME
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