what does midstream mean in the oil and gas industry 
in extractive industries midstream refers to intermediate operations between extracting and delivering final products to consumers this includes piping and transportation operations between extraction points and refineries it also includes processing plants that remove sulfur from raw natural gas and produce natural gas liquids the bottom linethe upstream capital costs index ucci measures the capital costs for businesses that extract oil and natural gas it is part of a larger family of indexes published by s p global to evaluate the costs for companies in those industries 