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Mode of Determining Productivity Coefficient of Gas Condensate Wells.

It allows to raise the accuracy of determining productivity coefficient of gas condensate wells, especially low-yield ones. Advantages: - Research of wells at the moment of stopping and in one of technological regimes measuring yield and bottom-hole pressure. - Coefficient of filtration resistance "a" is determined by a formula. From 1991 to 1996 it underwent tests at Vuktylsky, Zapadno-Soplessky, Pechora-Kozhvinsky, Yugidski deposits. Since 1996 it is introduced into research practice. Patent # 2055179. Specific Economical effect for one well was 7.450 roubles.

Source : Russian Research Institute of Natural Gases and Gas Technologies - JSC VNIIGAS