JPT

 

Vol. 58 No. 6

June 2006

Coiled Tubing Applications

Characterization of Defects in Coiled Tubing From Magnetic-Flux-Leakage Data

The full-length paper presents observations on use of magnetic-flux-leakage (MFL) data to detect flaws in coiled-tubing (CT) strings. Sixty-six flaws of various shapes and types, ranging from 0.3-mm-deep pits to 9.5-mm- long slots, artificially created in 44.45-mm-outside-diameter pipe, were analyzed. The detection algorithm and the information extracted from the data are described.

Synopsis of SPE 100121

Technology Editor Karen Bybee, contains highlights of paper SPE 100121, "Observations on Characterization of Defects in Coiled Tubing From Magnetic-Flux-Leakage Data," by T.R. McJunkin, K.S. Miller, and C.R. Tolle, Idaho Natl. Laboratory, prepared for the 2006 SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, The Woodlands, Texas, 4-5 April.

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