First Application of Multistage Pinpoint Acidizing with Limited-Entry Liner in a Record-Breaking Ultra-Long Openhole Horizontal Well in Central Iraq
A record-breaking 3,553-m openhole horizontal well drilled in a carbonate reservoir in central Iraq posed significant intervention challenges. Extreme length caused excessive friction during coiled tubing (CT) run-in to total depth, while heterogeneous and low-permeability formations led to uneven stimulation and uns...