publication . Conference object . 2013

Multiple intersecting cohesive discontinuities in 3D reservoir geomechanics

Das, K. C.; Sandha, S. S.; Ignacio CAROL; Vargas, P. E.; González, N. A.; Rodrigues, E.; Segura, J. M.; Lakshmikantha, M. R.; Mello, U.;
Open Access English
  • Published: 01 Jan 2013
  • Publisher: OnePetro
  • Country: Spain
Abstract
Reservoir Geomechanics is playing an increasingly important role in developing and producing hydrocarbon reserves. One of the main challenges in reservoir modeling is accurate and efficient simulation of arbitrary intersecting faults. In this paper, we propose a new formulation to model multiple intersecting cohesive discontinuities (faults) in reservoirs using the XFEM framework. This formulation involves construction of enrichment functions and computation of stiffness sub-matrices for bulk (rock mass), faults and their interaction DOF’s. A sub-divisional scheme has been developed, to perform volume and surface integrations. The sub-divisional scheme can effic...
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free text keywords: :Enginyeria civil::Geotècnia::Mecànica de roques [Àrees temàtiques de la UPC], Reservoirs, Rock mechanics, Aqüífers, Mecànica de roques
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