Microwave oil recovery of oil shale and oil sands

Schlumberger has bought Raytheon microwave oil recovery technology. They can retrieve four to five barrels of oil (EROEI 4-5) for every barrel of oil consumed in the process. Other methods have reported 1 1/2 to three barrels (EROEI 1.5-3) for each one consumed. Because microwaves can generate heat faster than convection heating, shale can be …

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