Abstract:When building a 1D geomechanical model for the Rang Dong field in Cuulong basin, offshore Vietnam, the rock structure was found to be very complex. In addition to inter-bedded shale and sand sequences in the overburden, there is an overpressured stratum immediately below and above the normally-pressured and highly fractured sandstones and volcanic rocks at the target depth. During the drilling of offset wells, multiple tight spots were experienced in the overburden. An inflow was detected in the volcanic rocks… Show more
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