Method for downhole separation of natural gas from brine with in

Method for drawing up special crude oil

Method for drawing up special crude oil

Method for dumping and disposing of carbon dioxide gas and appar

Method for improved oil recovery

Method for improving productivity of a well

Method for in situ recovery of heavy crude oils and tars by hydr

Method for increasing methane recovery from a subterranean coal

Method for increasing oil production from an oil well producing

Method for isolation of intake beds in drill holes and a device

Method for producing carbon dioxide from subterranean formations

Method for producing high water-cut gas with in situ water-dispo

Method for producing low permeability reservoirs using a single

Method for producing water soluble resols and use therefor

Method for production of heavy oil from tar sands

Method for production of hydrocarbon diluent from heavy crude oi

Method for recovering gas from solution in aquifer waters

Method for recovering intractable petroleum from subterranean fo

Method for recovering petroleum

Method for removal of paraffin from producing oil wells