Holefinder success saves millions for operator in Azerbaijan

An operator in Azerbaijan had been unable to complete wireline logging on multiple wells due to toolstring holdup on ledges at shale-sand interfaces.

Consequently the operator had been forced to acquire sub-surface data with LWD after drilling. Each post-drilling LWD pass took 6 days at a cost of $4.0MM per well. This method was used in place of wireline logging on 80% of the wells drilled.

Eager to reduce costs, the operator engaged Petromac to provide a holefinder system in order to navigate over ledges, washouts and borehole breakout.

The operator achieved a 100% success rate on the remaining well campaign, logging 5 wells with multiple toolstrings and avoiding the costly LWD passes.