Vibration and Rotation To Extend Coiled-Tubing Reach

In recent years, there has been increased use of coiled tubing (CT) to drill shallow wells or to drill laterals from existing wellbores. Often the weight on bit (WOB) that can be applied with CT is limited as a result of friction between the CT and the wellbore, making some drilling operations impossible. Two methods proposed to reduce this friction are CT vibration and rotation. The full-length paper presents research performed to determine the effectiveness and practicality of these two means of friction reduction.

View a Synopsis of SPE 106979 published in JPT.

This article, written by Assistant Technology Editor Karen Bybee, contains highlights of paper SPE 106979, “Vibration and Rotation Considerations in Extending Coiled-Tubing Reach,” by K.R. Newman, SPE, CTES, prepared for the 2007 SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, The Woodlands, Texas, 20–21 March.

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