Applied well test interpretation / John P. Spivey, W. John Lee
- Author
- Spivey, John Paul, 1955-
- Published
- Richardson, Tex. : Society of Petroleum Engineers, 2013.
- Physical Description
- xi, 374 pages : illustrations ; 28 cm.
- Additional Creators
- Lee, John (W. John) and Society of Petroleum Engineers (U.S.)
- Series
- Contents
- INTRODUCTION TO APPLIED WELL TEST INTERPRETATION: Applications of well testing -- Alternatives to conventional well testing -- Forward and inverse problems -- Well test interpretation methods -- Rock and fluid properties -- Graph scales -- FLUID FLOW IN POROUS MEDIA: Steady-state flow -- Development of the diffusivity equation -- Infinite-acting radial flow-ei-function solution -- Principle of superposition -- Radius of investigation -- Damage and stimulation -- Pseudosteady-state flow -- Wellbore storage -- RADIAL FLOW SEMILOG ANALYSIS: Drawdown tests -- Buildup test following constant-rate production -- Estimating average reservoir pressure -- Flow rate variations before shut-in -- LOG-LOG TYPE CURVE ANALYSIS: Dimensionless variables -- Gringarten-bourdet type curves -- Manual parameter estimation using the log-log plot -- Calculating the logarithmic derivative from field data -- PRESSURE TRANSIENT TESTING FOR GAS WELLS: Gas flow equation -- Gas-well draw down tests -- Gas-well buildup tests -- FLOW REGIMES AND THE DIAGNOSTIC PLOT: Power-law function pressure response -- Radial flow -- Linear flow -- Volumetric behavior -- Spherical flow -- Bilinear flow -- Other flow regimes -- Practical aspects of flow regime identification -- BOUNDED RESERVOIR BEHAVIOR: Types of boundaries -- Linear boundaries -- Circular reservoir boundaries -- Multiple linear boundaries -- Composite reservoir models -- and VARIABLE FLOW RATE HISTORY: Methods for variable rate/variable pressure problems -- Effect of boundaries on a subsequent buildup -- Spatial interpretation of flow rate history -- Effect of a change in flow rate on a subsequent buildup test -- Convolution and deconvolution -- Rate normalization -- Deconvolution -- WELLBORE PHENOMENA: Variable well bore storage -- Cleanup -- Movement of gas-liquid interface in wellbore -- Activity during operations -- Pressure oscillations -- Gauge problems -- Data processing errors and artifacts -- Distinguishing well bore phenomena from reservoir phenomena -- NEAR-WELLBORE PHENOMENA: Finite-thickness skin factor -- Perforated completion -- Partial penetration/limited entry Completion -- Deviated well bore -- Rate-dependent skin factor -- Rate-dependent skin factor and wellbore storage -- Estimating non-darcy coefficient D from multiple transient tests -- WELL TEST INTERPRETATION WORKFLOW: Collect data -- Review and quality control data -- Deconvolve data -- Identify flow regimes -- Select reservoir model -- Estimate model parameters -- Simulate or history-match pressure response -- Calculate confidence intervals -- Interpret model parameters -- Validate results -- Field example -- WELL TEST DESIGN WORKFLOW: Typical test design scenarios -- Define test objectives -- Consider alternatives to conventional well testing -- collect data -- Estimate reservoir properties -- Permeability estimates -- Estimate test duration to reach desired flow regime -- Estimate test duration based on economics -- Estimate test rate and determine flow rate sequence -- Estimate magnitude of pressure response -- Select gauges - Simulate test -- Design example.
- Subject(s)
- ISBN
- 1613993072
9781613993071 - Bibliography Note
- Includes bibliographical references and index.
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