KIEV, Oct 3 (Reuters) - A second regional council in Ukraine on Thursday approved a government draft for a $10 billion shale gas production-sharing agreement with U.S. energy major Chevron , clearing the way for it to be signed.
Deputies in Lviv region voted by 66-to-3 in favour of the draft, which calls for shale exploration in the Olesska field in the west of the country.
A council in the neighbouring Ivano-Frankivsk region, whose approval was also necessary, backed the deal last month.
"Now we will submit the documents to the Cabinet of Ministers and then there will be the signature," Energy and Fuel Minister Eduard Stavytsky said by telephone from Lviv.
The Olesska deal with Chevron will be the second shale agreement in Ukraine, following one signed earlier this year with Royal Dutch Shell for exploration in Yuzivska in the east.
Shale exploration forms part of plans by Ukraine to diversify its energy sources and ease its dependence on costly natural gas imports from Russia.
Speaking to the council, Stavytsky said on Thursday that Chevron would spend several years and $350 million to assess reserves at Olesska which covers 5,260 square kilometres.
Total investments including extraction after exploratory drilling could reach $10 billion, he said.
Deputies in both regions had expressed concern over the ecological consequences of the "fracking" process, in which water and chemicals are used to break up rock, sandstone and shale deposits to release gas.
Stavytsky says the two shale gas projects could provide Ukraine with an additional 11 to 16 billion cubic metres (bcm) of gas in five years' time.
Gas production in Ukraine totals about 20 bcm, while the country of 46 million people consumes around 50 bcm every year. Ukraine imports gas from Russia at about $400 per 1,000 cubic metres.
Ukraine has repeatedly said it wants to diversify energy imports and cut supply from Russia having failed to reach a compromise with Moscow on pricing.
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