Well test analysis / Rajagopal Raghavan
- Raghavan, R.
- Englewood Cliffs, N.J. : PTR Prentice Hall, 1993.
- Physical Description:
- xviii, 558 pages : illustrations ; 24 cm.
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- Prentice Hall petroleum engineering series
- INTRODUCTION TO WELL TESTING: Oil and gas reservoir engineering -- The role of well testing in reservoir engineering -- The philosophy of pressure transient analysis -- CONSERVATION PRINCIPLES, FLUX LAWS, AND FLUID COMPRESSIBILITY: The control volume -- Principle of conservation of mass -- Darcy's Law for flow through porous media -- Equation of state, compressibilty -- Principle of conservation of energy -- Closure -- THE DIFFERENTIAL EQUATIONS FOR SINGLE PHASE FLOW THROUGH POROUS MEDIA: The continuity equations: single phase flow -- The differential equation for flow in a porous medium -- Initial and boundary conditions -- Coordinate systems -- Related differential equations -- Bessel's equation of zero order -- FLOW TO A WELL IN AN INFINITE RESERVOIR: The line source well in an infinite reservoir-production at a constant rate -- The line source well: pressure distribution -- The type curve matching procedure -- The "pressure derivative" method of analysis -- Pressure integral function -- The skin factor -- Wellbore storage effects -- The stehfest algorithm: a numerical inversion procedure -- RESPONSES IN RECTANGULAR REGIONS: Pressure distribution in a two-well reservoir -- A sealing fault: pressure responses -- The method of images -- Pseudo-steady-state flow and shape factor: reservoir limit tests -- Computation of pressure responses: rectangular -- The Matthews-Brons-Hazebroek (1954) functions -- Some extensions to the matthews-brons-hazebroek drainage shapes -- Slopes of the theoretical drawdown curves -- Production at a constant pressure: the boundary-dominated flow period -- The materials balance equation: dimensionless average reservoir pressure -- Pressure responses for a well located at the center of a square drainage region -- Some deliverability equations -- The radius of investigation --, PRESSURE BEHAVIOR IN CIRCULAR AND ELLIPTICAL RESERVOIRS: Approximate solution: pressure distribution in a closed circular reservoir during pseudo-steady-state flow -- Steady state flow: well at the center of a circle -- Approximate solution: production of a well located at the center of closed, circular reservoir at a constant pressure -- Rigorous solutions for a well located at the center of circular reservoir -- Solution by the fourier-bessel method -- Flow to a well located in an elliptical drainage region -- Composite reservoir systems -- PRESSURE BUILDUP ANALYSIS: Semilog techniques for analyzing pressure buildup responses -- Log-log techniques for analyzing pressure buildup tests -- Methods to incorporate the influence of producing time -- The maximum slope method -- Boundary effects -- The Peaceman (1978) probe radius formula -- Variable rate considerations -- A model for wellbore cleanup -- GAS WELL ANALYSIS: Flow of gases in an infinite reservoir-production at a constant rate -- The Aronofsky-Jenkins (1954) drainage radius concept: well deliverability -- Materials balance considerations -- Analytical considerations -- Pressure buildup analysis: semilog approaches -- Wellbore storage and skin effects -- Non-darcy flow -- Methods to analyze responses -- Multipoint testing -- Variable rate analysis -- Constant pressure production -- CONVOLUTION: Convolution -- Generalized convolution -- Analysis of flowing well responses -- Analysis of pressure buildup responses -- Derivative procedures -- Pulse testing -- Slug tests -- Variable storage effects -- Laplace transform of a tabulated set of numbers --, and THE METHOD OF SOURCES AND SINKS: Integral representation of Laplace's Equation -- The delta function -- The fundamental solution to LaPlace's Equation, Green's Function-Steady flow -- Green's Function: unsteady flow in an infinite porous solid -- Instantaneous line, plane, and slab sources -- Continuous sources -- Fractured reservoirs: the Barenblatt (1960) and Kazemi (1969) models -- Pressure distributions: linear reservoirs -- Pressure distributions: rectangular drainage regions -- Solutions for bounded reservoirs: cylindrical -- Anisotropic reservoirs -- Pressure distribution as a result of production via a finite-conductivity (finite width) fracture -- Commingled reservoir systems -- THE SIMILARITY METHOD: Flows in linear systems -- Axially symmetric flows -- The perturbation procedure -- Nonisothermal flows -- TWO-PHASE FLOW OF HYDROCARBONS: Darcy's (1856) Law and other introductory issues -- The continuity equations, oil-gas systems -- The differential equations for flow through porous -- Materials balance considerations -- Steady state flow, compositional formulation -- Boundary-dominated flow: f3 formulation -- Well responses, analytical considerations -- Well responses, numerical computations -- Pressure buildup analysis -- Inflow performance relationships -- Decline curve analysis
- Bibliography Note:
- Includes bibliographical references and index.
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