Modeling a reservoir using a compartment model and a geomechanical model

A method executed by a computer, comprising:

• receiving historical data relating to fluid-related operations performed with respect to a reservoir;
• receiving a representation of geological and structural information regarding the reservoir;
• combining the historical data with the representation to derive a compartment model of fluid compartments in the reservoir by generating a matrix using the historical data, wherein the matrix comprises material balance interference coefficients that represent interference between the compartments in the reservoir;
• calculating ground surface movement using at least the compartment model and a geomechanical model;
• receiving measured ground surface movement;
• and
• calibrating the compartment model and the geomechanical model based on a difference between the calculated ground surface movement and the measured ground surface movement.

An article comprising one or more non-transitory computer-readable storage media containing instructions that when executed by a computer causes the computer to:

• receive historical data relating to fluid-related operations performed with respect to a reservoir;
• generate a compartment model of fluid compartments in the reservoir using the historical data to compute a matrix of material balance interference coefficients that represent barriers to fluid communication in the reservoir;
• based on the compartment model and a geomechanical model of the subterranean structure, calculate movement of a ground surface due to compaction or expansion of the compartments;
• receive satellite measurements of the ground surface over time, wherein the received satellite measurements of the ground surface over time indicate movement of the ground surface;
• and
• calibrate the geomechanical model and the compartment model according to a difference between the calculated movement of the ground surface and the movement of the ground surface as measured by the satellite measurements.