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Keywords: salt body
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Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-984
... stress Wellbore Design salt uncertainty creep closure Upstream Oil & Gas parametric analysis Symposium borehole diameter constitutive model borehole closure drilling operation salt creep salt body creep open-hole exposure time closure salt type 1. INTRODUCTION Salt rock...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-071
... Abstract: Large carbonate or anhydrite inclusions are embedded in many salt bodies (so-called rafts, floaters or stringers) and these respond to the movements of the salt in a variety of ways, including displacement, folding and fracturing. The movement and deformation of those embedded...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-043
... Reservoir Characterization equivalent effective stress total mean stress geomechanical model Mean stress reservoir geomechanics shear-induced pore pressure geomechanical modeling salt body effective stress prediction workflow stress state overpressure Upstream Oil & Gas pore...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-800
... acquisition schemes aim at improving our ability to image steeply dipping and overhanging salt-bodies, as well as sub-salt reflectors. In this context, these imaging applications have benefited greatly from the application of wide azimuthal raycoverage acquisition patterns and processing the data...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-234
... Abstract: Our study shows that large salt bodies push laterally and elevate the horizontal stresses in front of salt and in minibasins. We built in ABAQUS 2-dimensional finite-element models of the Mad Dog field, deepwater northern Gulf of Mexico. We used wide-azimuth, PreStack DepthMigrated...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-527
... of stresses around the salt body can be ignored, or that rock properties are laterally constant are generally erroneous. Three-dimensional (3D) numerical simulation techniques have been developed for solving a complex set of equations with appropriate boundary conditions needed to estimate stresses and fluid...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-434
... Abstract: Drilling through salt zones is an important current endeavor in many areas offshore of Brazil. The conventional well design workflow does not recognize the complex nature of the stress field near these salt bodies. Therefore, a reliable assessment of the in-situ stresses must...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-309
... ABSTRACT: We develop finite-element models to simulate stresses around salt bodies, and use these results to calculate wellbore stability and optimal mud weights for a vertical wellbore near these salt bodies. In the finite-element models, salt bodies are simulated by viscoelastic material...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-197
... ABSTRACT: Two major aspects in the description of a stress pattern are the effective stress ratio and tectonic factor. This paper presents two case studies focusing on the stress pattern around salt bodies in the deepwater. The salt body geometries are modeled on the basis of a set...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-129
... authors in various drilling environments that share common complex geological structures, including active tectonic regions, complex fault and joint systems, salt bodies, and depleted reservoirs. Stress rotation can be observed within one well or from one well to another well. It causes extremely...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-176
... condition loading deformation salt body geometry nonuniform loading compaction concrete ring numerical result 1. INTRODUCTION Casing collapses in oil wells significantly affect the productivity and economical development of oilfields. These failures are usually associated with non-uniform loading...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-271
... Reservoir Characterization reservoir geomechanics dissipation salt body pore pressure pressure change prediction relaxation Upstream Oil & Gas perturbation sediment safe-mud window technical conference stress path deformation effective stress principal stress salt relaxation...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-169
...1. INTRODUCTION Significant amount of exploration, development, and production is taking place near salt bodies around the world, including the deepwater Gulf of Mexico (GoM), Middle East, North Sea, offshore Brazil, North Caspian Sea, and North and West Africa. Kashagan field, located...

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