Laboratory Perforating Tests in Coal Results in Lower-Than-Expected Penetration

The full-length paper describes a laboratory-testing program to investigate shaped-charge penetration in coal targets. Mechanical properties of the coals tested and penetration results for different shaped charges shot at various stress conditions are described. Preliminary experiments indicate that shaped-charge penetration in coal is significantly less than expected, considering the density and strength of the target.

View a Synopsis of SPE 102309 as published in JPT.

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper SPE 102309, “First Laboratory Perforating Tests in Coal Show Lower-Than-Expected Penetration,” by P.M. Snider, SPE, Marathon Oil Co.; I.C. Walton, SPE, Schlumberger; T.K. Skinner, Marathon Oil Company; and D.C. Atwood, SPE, B.M. Grove, SPE, and C. Graham, SPE, Schlumberger, prepared for the 2006 SPE Annual Technical Conference and Exhibition, San Antonio, Texas, 24–27 September.

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