The Application of Magnetic Resonance for Formation Pressure Tester and Stimulation Optimization in Produced Carbonate Reservoir

A producer well with tight carbonate reservoir was planned for stimulation with objective of production improvement. The strategy for the stimulation was hydraulic fracturing in a fishbone completion. Magnetic resonance and formation pressure tester were used to evaluate fluid content, rock quality and formation pressure of the reservoir. The magnetic resonance had helped to identify the formation pressure tester points and resulted all good test in tight carbonate. The magnetic resonance had delivered remaining oil saturation and rock quality in regards to porosity and permeability. The oil saturation and rock quality were integrated to choose the sidetracking intervals of fishbone completion. The fishbone completion was to be stimulated with hydraulic fracturing to connect the good oil saturation and rock quality intervals, and to enhance permeability of fair rock quality. This application is first use of magnetic resonance in a revisited producer well of tight carbonate reservoir.