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Recovering viscous petroleum from underground formations esp. tan sand - using cyclic injection-production method
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Sepn. of oil from emulsions obtained from bituminous sands - by addn. of poly:alkylene oxide and alkali metal halide
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Method for generating steam
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Viscous oil recovery method
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Viscous oil recovery method
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Viscous oil recovery method
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Method for monitoring underground fluid movement for improving recovery of oil or bitumen
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Low-temperature oxidation method for the recovery of heavy oils and bitumen
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Abrasive resistant choke
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Demulsification of oil emulsions with a mixture of polymers and alkaline earth metal halide
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Thermic exploitation of hydrocarbons from bituminous sands
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Tension leg structure with riser stabilization
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Extraction of viscous oils from undergound formations - using low-temp oxidn by oxygen - steam mixts
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Thermal recovery of hydrocarbons from tar sands
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Thermal recovery of hydrocarbons from tar sands
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Method for recovering viscous petroleum from tar sand deposits
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Solvent process for developing interwell communication path in a viscous petroleum containing formation such as a tar sand deposit
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Recovery of petroleum from viscous petroleum containing formations including tar sand deposits
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In situ gasification of solid hydrocarbon materials in a subterranean formation
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Sand control method employing low temperature oxidation
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