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Using Pressure While Drilling to Calculate Injectivity Index
Paul SPIELMAN, John MURPHY, Scott COSTA, Erica HORST, Joshua. GOSSANYI, Benjamin DELWICHE, Madeline CHURCHILL, Emma KLUGE, Drew SPAKE, Chandler SMITH
[Ormat, USA]
Pressure While Drilling (PWD) data was collected on several wells drilled in Nevada, USA in 2025, and was used to calculate injectivity index in real time and to do injection tests. This provided real time injection capacity estimates while saving rig time. This paper will cover (a) a descrption of the PWD technology, (b) a number of examples where comparison between PWD injectivity calculations versus injection test results after the wells were completed, and (c) a brief discussion on future optimization of the approach.
Topic: Drilling