FIELD: oil and gas industry.
SUBSTANCE: invention relates to oil and gas industry and can be used at increasing efficiency of oil and gas production, as well as in studying fluid dynamics of gas medium at hydrocarbon deposits, including underground gas storages. According to the method well completion equipment is used, the components of which contain at least two different paths for passage of fluid from the formation into the production pipe and one switching valve configured to switch under action of fluid flow and redirect fluid flow along one of paths into production pipe. Indicators-tracers are installed on the path, along which the flow passes after valve switching. Presence of tracers detected at passage of flow from formation to production pipe, in outlet flow of well fluid is registered at well head.
EFFECT: increased information on well fluid composition due to more accurate determination of content of natural gas in borehole fluid.
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