A Combination of Perforating Technologies to Maximize Well Productivity and Minimize Rig Time

In this paper we describe the challenges and the techniques used to deliver zero perforation skin wells in the<br>Blacktip gas field offshore Australia. We describe the software models used to evaluate both the well perforation design and<br>the operational risks, and the approach used to reduce rig time. Software modelling based on historical experimental data and<br>newly developed rock perforating models, showed that cleanup with dynamic underbalance would deliver the highest well<br>productivity. Minimum rig time utilization was achieved with wireline conveyed guns.