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Development strategies for low-permeability carbonate heavy oil reservoirs:A case study from O oilfield in Syria
Pages: 297-305
Year: Issue:  2
Journal: Oil & Gas Geology

Keyword:  low permeabilitypore typeheavy oilcarbonate reservoirSyria;
Abstract: Reservoir SH_B of O oilfield in Syria is atypical porous carbonate heavy oil reservoir with low-permeability. It strikingly features in low permeability and high viscosity .Under the present well patterns and development models ,the development effect here is poor and it is manifested by three-low parameters:low ratio of produced reserves to proved reserves ,low single well production and low recovery .No cost-effective and enforceable development plan has been pro-posed.Presently,there is no successful case on low-permeability heavy oil reservoir development and no mature technolo-gy and experience for reference .The development of this kind of reservoir is still a world-class challenge .In order to im-prove development benefits and realize effective development ,reservoir engineering theories and methodologies ,numerical simulation and economic evaluation techniques are used to study and optimize systematically the development models , well types,well patterns,well spacing,lateral length,and thermal recovery parameters of horizontal well .Research me-thods for developing carbonate heavy oil reservoir are suggested ,and development strategy specifically for reservoir SH_B is proposed .The optimized development technical policy lays a foundation for development planning and provides a refe -rence for domestic and foreign analogous reservoirs .
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