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Keywords: boundary
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Journal Articles
SPE J. 25 (06): 893–901.
Paper Number: SPE-12253-PA
Published: 01 December 1985
... coordinate system and the importance of eliminating the mixed derivative terms. The equations that the transformation ( u,v ) must satisfy are defined by the following steps. Eq. 1 is multiplied by an arbitrary function, ϕ, that is defined on Domain d and is zero on the boundary of d...
Journal Articles
SPE J. 25 (04): 573–579.
Paper Number: SPE-11719-PA
Published: 01 August 1985
... Copyright 1985, Society of Petroleum Engineers modeling & simulation analytical well model reservoir simulation peaceman grid point boundary corner block numerical reservoir simulation fluid dynamics geometric factor upstream oil & gas simplify well block well pressure expression...
Journal Articles
SPE J. 25 (03): 451–464.
Paper Number: SPE-11243-PA
Published: 01 June 1985
.... Gravitational forces are negligible. The top, bottom, and outer reservoir boundaries are closed. A well located at the center of the cylinder is produced at a constant rate and then shut in to obtain buildup data. Initially, the pressure is uniform throughout the reservoir. We assume that all production...
Journal Articles
SPE J. 25 (03): 419–426.
Paper Number: SPE-12711-PA
Published: 01 June 1985
... is represented by a finite-radius circular source producing at constant rate or constant pressure. A rigorous application of the superposition principle is discussed, making use of a new model where a constant-rate line source produces exterior to a circular boundary. Both constant pressure and impermeable...
Journal Articles
Journal Articles
SPE J. 25 (01): 78–88.
Paper Number: SPE-11332-PA
Published: 01 February 1985
... stress elliptical cross section permeability flow in porous media cross section upstream oil & gas boundary confocal thickness reservoir equation pressure drop fluid dynamics petroleum engineer journal When fluids are injected into a well, such as during waterflooding or other...
Journal Articles
SPE J. 25 (01): 27–38.
Paper Number: SPE-12334-PA
Published: 01 February 1985
... the boundaries are determined analytically. Finally, additional methods are proposed to prevent the flooding of separation facilities by riser-pipe generated slugs. This study is an extension of Ref. 1 , in which severe slug flow was introduced and was only partially modeled. 16 6 1983 16 4 1984 13...
Journal Articles
SPE J. 24 (06): 677–684.
Paper Number: SPE-11223-PA
Published: 01 December 1984
...Kwaku O. Temeng; Roland N. Horne This paper presents an analytical solution for the pressure transient response of a well producing from an arbitrary position within a circular drainage boundary. The analysis is performed for both constant pressure and no-flow outer boundary conditions...
Journal Articles
SPE J. 24 (04): 382–390.
Paper Number: SPE-10502-PA
Published: 01 August 1984
... heterogeneity effect vector field petroleum engineer journal boundary two-dimensional waterfiooding flow in porous media gravity reservoir simulation boundary condition enhanced recovery Several approaches have been proposed recently to improve on the classical finite-differences treatment...
Journal Articles
SPE J. 24 (03): 294–306.
Paper Number: SPE-11140-PA
Published: 01 June 1984
... Copyright 1984, Society of Petroleum Engineers constant-pressure boundary drawdown curve transmissibility no-flow boundary heterogeneity upstream oil & gas buildup curve straight line log cycle flow time buildup semilog plot characteristic discontinuity boundary intersection...
Journal Articles
SPE J. 24 (02): 129–140.
Paper Number: SPE-10080-PA
Published: 01 April 1984
... fracturing tangential stress earth stress pressure field boundary fracture stress change myklestad annular element injection well equation reservoir reservoir geomechanics fluid dynamics petroleum engineer journal reservoir characterization waterflooding radially symmetrical pressure flow...
Journal Articles
SPE J. 24 (01): 87–96.
Paper Number: SPE-11126-PA
Published: 01 February 1984
.... This is to avoid trivial solutions and to ensure continuity across phase boundaries. The method has been tested on various three- and four-phase systems, and examples of application show that the method performs well. 27 8 1982 1 7 1983 9 3 1983 1 2 1984 1 2 1984 Copyright 1984...
Journal Articles
SPE J. 23 (04): 633–644.
Paper Number: SPE-10507-PA
Published: 01 August 1983
... time flow in porous media numerical reservoir simulation drillstem/well testing reservoir boundary reservoir simulation drillstem testing fluid dynamics linear flow The simulation of fractured wells is of considerable interest because of the large number of wells that have been...
Journal Articles
SPE J. 23 (04): 683–694.
Paper Number: SPE-12233-PA
Published: 01 August 1983
... multiple-carbon-number (MCN) groups. Two sets of mixing rules are considered, giving essentially the same results when used with the proposed regrouping procedure. 3 8 1980 28 12 1982 20 11 1981 1 8 1983 1 8 1983 Copyright 1983, Society of Petroleum Engineers boundary...
Journal Articles
SPE J. 22 (06): 883–898.
Paper Number: SPE-9650-PA
Published: 01 December 1982
... 12 1982 Copyright 1982, Society of Petroleum Engineers plastic elastic boundary wellbore vertical stress stress solution upstream oil & gas strength fluid pressure fluid flow inner plastic zone criterion tan 2 stress component plastic zone boundary permeability flow...
Journal Articles
SPE J. 22 (06): 902.
Paper Number: SPE-10915-PA
Published: 01 December 1982
... sides of the square pattern are no-flow or insulated boundaries. The single-pattern simulation should be performed for the smallest symmetrical element of the pattern to minimize computing cost. This well-known element is one-eighth of a pattern. Nevertheless, simulations of one-half and one-fourth...
Journal Articles
SPE J. 22 (05): 635–646.
Paper Number: SPE-9767-PA
Published: 01 October 1982
...V. Casulli; D. Greenspan Fast, economical, and accurate finite-difference numerical methods are developed for approximating continuum models of both miscible and immiscible fluid flows in porous media. The methods apply to very general systems of equations and boundary configurations. Computer...
Journal Articles
SPE J. 21 (06): 658–662.
Paper Number: SPE-9017-PA
Published: 01 December 1981
... sandstone burial history reservoir geomechanics vertical gradient boundary coefficient horizontal effective stress linear expansion vertical load horizontal strain subsurface horizontal stress horizontal stress upstream oil & gas burial process petroleum engineer journal Previous...
Journal Articles
Journal Articles
SPE J. 21 (05): 581–592.
Paper Number: SPE-8260-PA
Published: 01 October 1981
...Creed E. Blevins; G. Paul Willhite; Michael J. Michnick The three-phase region of the Witco TRS 10–80 sulfonate/nonane/isopropanol (IPA)/2.7% brine system was investigated in detail. A method is described to locate phase boundaries on pseudoternary diagrams, which are slices of the tetrahedron used...

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