Pressure and Temperature Well Testing

Kutasov, Izzy M.; Eppelbaum, Lev V.

Pressure and Flow Well Testing. Pressure and Temperature Drawdown. Well Testing: Similarities and Differences. The Adjusted Circulation Time. Variable Flow Rate Drawdown Test. Short Term Testing Method for Stimulated Wells. Determination of the Skin Factor for Well Produced at a Constant Bottom-hole pressure. Evaluation of the Efficiency of Wellbore Stimulation Operations. Designing an Interference Well Test in a Geothermal Reservoir. Interference Well Testing – Variable Fluid Flow Rate. Determination of Formation Permeability and Skin Factor from Afterflow Pressure and Sandface Flow Rate. Analyzing the Pressure Response during the Afterflow Period – Determination of the Formation Permeability and Skin Factor. Application of the Horner Method for a Well Produced at a Constant Bottomhole Pressure. Step-pressure Testing. Temperature Well Testing. Determination of formation temperature from bottom-hole temperature logs – a generalized Horner method. Three points Method for Estimation of the Formation Temperature. Two Temperature Logs Method. Comparison of three Methods. Geothermal Temperature Gradient. Estimation of the geothermal Gradients from Single Temperature Log – Field Cases. Radial Temperature Distribution. Cylindrical Probe with a Constant temperature - Determination of the Formation Thermal Conductivity and Contact Thermal Resistance. Well Temperature Testing – an Extension of the Slider’s Method. Cementing of Geothermal Wells –Radius of the Thermal Influence. Cementing of Casing in Hydrocarbon Wells: the Optimal Time Lapse to Conduct a Temperature log. Temperature Regime of Boreholes: Cementing of Production Liners. Recovery of the Thermal Equilibrium in Deep and Super Deep Wells: Utilization of Measurements While Drilling Data.