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Keywords: hoop stress
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Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204421-MS
... with the prevailing hoop stress (from internal pressure) to compute a parameter referred to as the CT exponent. This exponent is used to compute an effective strain amplitude that is directly compatible with the baseline damage function for the CT material, defined by a Manson-Coffin strain-life...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 22–23, 2016
Paper Number: SPE-179064-MS
... baseline strain-life curve nominal strain test plan Coiled tubing operations wall thickness fatigue test program normalized hoop stress Upstream Oil & Gas tube sample test machine fatigue life Completion Installation and Operations tube diameter experimental data inner surface...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 26–27, 2013
Paper Number: SPE-163940-MS
... is associated with larger outside diameter (OD) CT pipe being subjected to a combination of high hoop stresses, high strain levels and run-in or retrieved from wells at high speeds. These new set of operational dynamic conditions expose the CT pipe material to higher forces, stresses and deformations...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing Conference and Exhibition, March 23–24, 2004
Paper Number: SPE-89571-MS
... result alloy material grade hoop stress Copyright 2004, Society of Petroleum Engineers Inc. This paper was prepared for presentation at the SPE/ICoTA Coiled Tubing Conference and Exhibition held in Houston, Texas, U.S.A., 23 24 March 2004. This paper was selected for presentation by an SPE Program...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing Conference and Exhibition, April 8–9, 2003
Paper Number: SPE-81726-MS
... distribution along the string throughout its life. A mathematical model, relating bending strain and hoop stress (from internal pressure) to cumulative fatigue damage can be applied to this recorded field loading history. Such models determine when tubing should be retired or when tubing cuts should be made in...
Proceedings Papers

Paper presented at the SPE Gulf Coast Section/ICoTA North American Coiled Tubing Roundtable, February 26–28, 1996
Paper Number: SPE-36336-MS
... Abstract Coiled tubing endures unique cyclic stress and strain histories. The loading imposed on pressurized coiled tubing can trigger deformation mechanisms resulting in incremental plastic diametral growth and elongation. This growth occurs in spite of the fact that both the hoop stress and...

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