Effect of infill drilling on heavy oil reservoir performance in steam-gravity recovery projects

Authors: R.S. Khisamov. (Tatneft ОАО, RF, Almetyevsk), A.T. Zaripov, S.I. Ibatullina. (TatNIPIneft, RF, Bugulma)

Key words: steam-gravity recovery, steam chamber, infill drilling, cyclic steam stimulation, cash flow.

This paper presents the analysis of technologies applied to increase heavy oil recovery in the Ashalchinskoye field. The authors discuss technical and economic benefits from changing well spacing in heavy oil reservoirs developed by steam-gravity recovery technology.