Method for direct solvent extraction of heavy oil from oil...

Method for downhole sulfur removal and recovery

Method for efficient use of heat from tubular reformer

Method for eliminating mercury from liquid hydrocarbons

Method for eliminating reentry disulfides in a mercaptan...

Method for enhancing asphalt properties

Method for enhancing catalytic activity

Method for enhancing catalytic activity

Method for enhancing catalytic activity

Method for extracting and upgrading of heavy and semi-heavy...

Method for extracting and upgrading of heavy and semi-heavy...

Method for extracting bitumen from tar sands

Method for extracting gaseous hydrocarbons from biogenic raw...

Method for further processing of the hydrogenation residue...

Method for heat processing of pulverized brown coal

Method for heating hydrocarbon contaminated soils and...

Method for hydrocarbon synthesis in a three-phase reactor in...

Method for hydrocracking heavy fraction oil

Method for hydrocracking heavy fraction oils

Method for hydrocracking of petroleum heavy oil