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Keywords: weighting
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Journal Articles
Society of Petroleum Engineers Journal 25 (06): 902–908.
Paper Number: SPE-11593-PA
Published: 01 December 1985
...James C. Frauenthal; Roland B. di Franco; Brian F. Towler A generalization of upstream weighting is proposed as a method for reducing grid-orientation effects in reservoir simulation. For the two sample problems studied,. a piston-flow waterflood and a realistic gas injection, the piston-flow...
Journal Articles
Society of Petroleum Engineers Journal 25 (04): 565–572.
Paper Number: SPE-12566-PA
Published: 01 August 1985
...Thom Potempa The sensitivity of a numerical steamflooding model with respect to mobility weighting is examined in depth. Three numerical discretization procedures are used in this investigation: a new numerical scheme. a five point finite difference method. and a procedure which, under certain...
Journal Articles
Society of Petroleum Engineers Journal 23 (01): 135–142.
Paper Number: SPE-10555-PA
Published: 01 February 1983
... functional evaluation of coefficients, lumping the time-derivative matrix, weighting upstream permeability, and adding artificial capillary pressure in overcoming the convergence problems associated with the saturation discontinuity. Although these techniques generally smear steep gradients, Mercer and Faust...
Journal Articles
Society of Petroleum Engineers Journal 12 (06): 515–530.
Paper Number: SPE-3516-PA
Published: 01 December 1972
...M.R. Todd; P.M. O'Dell; G.J. Hirasaki This paper proposed the use of two-point upstream weighting of fluid mobility as an alternative to the generally employed single-point approximation Use of the two-point formula results in the reduction of both numerical dispersion of flood fronts and the...
Journal Articles
Society of Petroleum Engineers Journal 10 (01): 25–32.
Paper Number: SPE-2374-PA
Published: 01 March 1970
... uniformity of PVT properties on a horizontal plane. Therefore, to properties on a horizontal plane. Therefore, to obtain meaningful results from reservoir engineering studies, PVT properties must be carefully weighted vertically. Intensive study of the known oil recovery mechanisms within these highly...

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