METHODS FOR OIL EXTRACTION

摘要

The present invention relates to methods for the extraction of heavy oils and oil sands from oil reservoirs and methods for the extraction of bitumen from oil sands and oil shale. The methods comprise an injection of a solvent comprising sodium silicate, the use of thermal technology, and/or the use of gas injection into an oil reservoir to enhance the extraction of oil from the oil reservoir. Further, methods of extracting bitumen from oils sands using a solvent comprising sodium silicate are also provided.