PRINCIPLES OF TRANSIENT TESTING: Typical flow regimes -- Well and reservoir characterization -- THE ANALYSIS METHODS: Log log scale -- Pressure curves analysis -- Pressure derivative -- The analysis scales -- WELLBORE CONDITIONS: Well with wellbore storage and skin -- Infinite conductivity or uniform flux vertical fracture -- Finite conductivity vertical fracture -- Well in partial penetration -- Slanted well -- Horizontal well -- Skin factors -- EFFECT OF RESERVOIR HETEROGENEITIES ON WELL RESPONSES: Fissured reservoirs -- Layered reservoirs with or without crossflow -- Composite reservoirs -- Combined reservoir heterogeneities -- EFFECT OF RESERVOIR BOUNDARIES ON WELL RESPONSES: Single sealing fault in a homogeneous reservoir -- Two parallel sealing faults in homogeneous reservoir -- Two intersecting sealing faults in homogeneous reservoir -- Closed homogeneous reservoir -- Constant pressure boundary -- Communicating fault -- Effect of boundaries in double porosity reservoirs -- Effect ofboundaries in double permeability reservoirs -- Effect of boundaries in composite reservoirs -- Other boundary configurations -- and MULTIPLE WELL TESTING: Interference tests in reservoirs with homogeneous behavior -- Factors complicating interference tests in reservoirs with homogeneous behavior -- Interference tests in composite reservoirs -- Interference tests in double porosity reservoirs -- Interference tests in layered reservoirs -- Pulse testing -- APPLICATION TO GAS RESERVOIRS: Description of gas wells pressure behavior -- Practical transient analysis of gas well tests -- Deliverability tests -- Field example -- APPLICATION TO MULIPHASE RESERVOIRS: Perrines method -- Pseudo pressure method -- Pressure squared method -- SPECIAL TESTS: DST -- Impulse test -- Constant pressure test and rate decline analysis -- Vertical interference test -- PRACTICAL ASPECTS OF WELL TEST INTERPRETATION: Factors complicating well test analysis -- Interpretation procedure -- Well and reservoir characterisation- interpretation results.
