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Keywords: plastic strain
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Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics in Petroleum Engineering, July 8–10, 1998
Paper Number: SPE-47362-MS
... convention deviatoric stress plastic strain strength stress strain curve elastoplasticefficient determination strain curve stress invariant upstream oil & gas mpa triaxial test morita model procedure elastoplastic model efficient determination offshore norway spe 47362 norway petroleum...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics in Petroleum Engineering, July 8–10, 1998
Paper Number: SPE-47208-MS
... with orientation found by core DSCA measurements. P. 41 reservoir characterization hangingwall thrust fault stress state stress rotation plastic strain regime simulation ovalisation cordillera upstream oil & gas cusiana block breakout backthrust cusiana fault gradient stress gradient...
Proceedings Papers

Paper presented at the SPE/ISRM Rock Mechanics in Petroleum Engineering, July 8–10, 1998
Paper Number: SPE-47322-MS
... depends strongly on the employed failure criteria. The difference between elasticity and plasticity becomes more pronounced with a criterion which allows the material near the borehole wall to reach a critical plastic strain determined from the calibration tests. In such a case differences from 45% to 80...

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