Formation considerations Homogenous Heterogeneous Naturally Fractured Homogenous-found in heavy oil sands. Easy to accommodate in completion and don't require wellbore segregation. Can be treated with the entire wellbore exposed using coiled tubing or perforated technology. Heterogeneous-reservoir quality and pressure vary between sections of the wellbore. These segments of the wellbore need to be isolated to … Continue reading Horizontal Completions