Method for hydrocracking petroleum heavy oil

Method for hydrogenated coal liquefaction

Method for hydrogenating coal

Method for hydrogenating coal

Method for hydrogenating coal liquefaction

Method for hydrogenizing heavy hydrocarbon oils

Method for hydrotreatment of a heavy hydrocarbon fraction...

Method for improving bitumen recovery from oil sands by...

Method for improving liquid yield during thermal cracking of...

Method for improving oil desalting by forming unstable...

Method for improving the demulsibility of base oils

Method for improving the pour-point of paraffin feedstock...

Method for improving the sedimentation and filterability of...

Method for improving the stability of shale oil

Method for increasing yield of liquid products in a delayed...

Method for inhibiting deposit formation in hydrocarbon feed...

Method for inhibiting fouling in a refinery process

Method for inhibiting sulfide stress corrosion cracking and...

Method for inhibiting the corrosion of distillation...

Method for inhibiting the rate of coke formation during the...