US Patent 12012548 Materials and methods for recovering oil from oil sands

The present invention provides environmentally-friendly compositions and methods for recovering oil from oil sands. The present invention can also be used for reducing the viscosity and/or increasing the API gravity of oil. In specific embodiments, the invention utilizes compositions comprising biochemical-producing microorganisms and microbial growth by-products, such as biosurfactants, as well as cavitation, to enhance oil recovery.