Numerical Simulation of Pressure Limits of Gas Storage in North Area of Lamadian Oilfield
In order to grasp the change of oil-gas interface in north area of Lamadian Oilfield and determine the conditions of gas or oil invasion during the development of gas storage, the precise geological model is established. By simulation software Eclipse immigrations of gas-oil interface are tracing simulated and cases of gas or oil invasion are monitored under various pressure differentials, based on which the limits of pressure are provided at last. Simulation results indicate that when the pressure of gas region is higher than oil region the gas invasion will happen and when the pressure differential between oil and gas region is up to 0.6 MPa the oil invasion will happen after 16 injection-production cycles. This paper is valuable to practical project applications which keep the interface stable and avoid the gas and oil invasions.
D. Y. Yin et al., "Numerical Simulation of Pressure Limits of Gas Storage in North Area of Lamadian Oilfield", Applied Mechanics and Materials, Vols. 229-231, pp. 2073-2076, 2012