Gas and water distribution and analysis of water production types in western Sulige gas field

The distribution of gas and water in western Sulige gas field has been studied with drilling,well logging,production test and laboratory data by employing statistical analysis,empirical equation and relative permeability-mercury penetration analysis.The type and composition of water production are determined.The study result indicates that the distribution of gas and water displays gradual complementary relationship,with relatively water-rich area in the northwest;the water produced from the formation comprises condensate water,movable water and free water;formation water production can be controlled by controlling drawdown pressure.This study provides basis for management of water production wells and selection of development zones in the gas field.