Multizone Isolation with Lightweight Cement Slurry in a Cased-And-Perforated Well in a Mature Offshore Field, Brunei
Effective zonal isolation in multilayered and depleted reservoir sands remains a persistent challenge in mature fields in Brunei, particularly for cased hole completions where the prevention of interzonal crossflow of reservoir fluid is critical. In the subject well, a conventional 14.0-lbm/gal Class G cement slurry...