This line is different from the running tension line

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Unformatted text preview: ring when it is cemented must be determined and graphically displayed. 162 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 81 A cemented tension line must be visualized, calculated and graphically displayed. This line is different from the running tension line only by the difference in the net bottom buoyant force when cement is outside the string and mud inside(Fig.16 and 17) 163 Fig.16 Fig.17 Biaxial Design: Burst Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 164 82 The cemented tension line is used to correct the burst and collapse strengths by the effect of the indicated axial loads. See Appendix A for Biaxial correction procedure. The corrected designs are shown in Fig.18a and Fig. 18b. 165 Fig.18a Biaxial Design: Collapse Fig.18b Biaxial Design: Burst Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 166 83 Intermediated Casing Design Burst design by “ Maximum Load” concept for intermediate casing can be implemented in one of three shoe design: 1. The casing string filled with dry gas, and pressures controlled by th...
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This document was uploaded on 03/28/2014.

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