An efficient parallel algorithm for three-dimensional analysis of subsidence above gas reservoirs

• Published in: International journal for numerical methods in fluids Vol. 31; no. 1; pp. 247 - 260
• Main Authors: Schrefler, B.A., Wang, X., Salomoni, V.A., Zuccolo, G.
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Chichester, UK John Wiley & Sons, Ltd 15.09.1999; Wiley
• Subjects: Applied sciences; Computational methods; Computer aided network analysis; Computer programming; Computer workstations; Crude oil, natural gas and petroleum products; Crude oil, natural gas, oil shales producing equipements and methods; Data communication systems; deforming porous media; Energy; Exact sciences and technology; Finite element method; frontal solution; Fuels; Gas well production; Numerical methods; parallel algorithm; Parallel processing systems; Prospecting and production of crude oil, natural gas, oil shales and tar sands; Reservoir engineering, simulation studies and models; Subsidence; subsidence due to fluid withdrawal; Three dimensional; Mediterranean Sea; Adriatic Sea; Gas field; Case study; Parallel algorithm; Producing well; Reservoir rock; Rock deformation; Porous medium; Subsidence; Modeling
• ISSN: 0271-2091; 1097-0363
• DOI: 10.1002/(SICI)1097-0363(19990915)31:1<247::AID-FLD966>3.0.CO;2-D

In this paper an efficient parallel algorithm to solve a three‐dimensional problem of subsidence above exploited gas reservoirs is presented. The parallel program is developed on a cluster of workstations. The parallel virtual machine (PVM) system is used to handle communications among networked workstations. The method has advantages such as numbering of the finite element mesh in an arbitrary manner, simple programming organization, smaller core requirements and computation times. An implementation of this parallel method on workstations is discussed, the speed‐up and efficiency of this method being demonstrated by a numerical example. Copyright © 1999 John Wiley & Sons, Ltd.