Net fracturing pressure calculated from measured bottom hole pressure verifies the effectiveness of the alternating phase technique for controlling acid fluid loss. Results of before and after job simulation cases modelling the process are shown. Subsequent pressure buildup data are also presented.

Keywords:
spe 20137, calculation, drillstem testing, closure time, acid stage, gallon 80, conductivity, coefficient, wellbore, perforation
Subjects:
Drilling Fluids and Materials, Hydraulic Fracturing, Well & Reservoir Surveillance and Monitoring, Reservoir Characterization, Formation Evaluation & Management, Perforating, Fracturing materials (fluids, proppant), Acidizing, Production logging, Drillstem/well testing
Copyright 1990, Society of Petroleum Engineers
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