A STUDY ON FORMATION CONDITIONS OF TIGHT GAS RESERVOIR IN WEIBEI SAG
潍北凹陷致密气藏的成藏条件研究

Research results of regional geology and petroleum geology of Weibei sag suggest that there are good formation conditions for tight gas reservoir in structure, sedimentary, source rock, reservoir rock, caprock and trap conditions in Weibei sag. The sandstones under the depth of 3 000 m of the second member of Kongdian formation in north sag are the most favourable for the formation of tight gas reservoirin Weibei sag. Based on the compassion researches in regional geology and petroleum geology between Weib...