KIEV, Dec. 4 – The exact size of deposits of methane that can be extracted from coal beds in Ukraine has not been determined, while extraction technologies have not been designed, according to scientists polled by Interfax-Ukraine.

Deputy director of Polyakov Institute for Geotechnical Mechanics of the National Academy of Science of Ukraine, Viacheslav Lukinov, said that the institute jointly with the state commission for deposits has drawn up the rules for assessing deposits of coal bed methane, although it is unknown how exact they are.