四川盆地安岳气田灯影组二段底水气藏酸压裂缝高度影响因素及控制对策

李松,叶颉枭,郭富凤,何婷婷,胡秋筠

Influencing factors and controlling of acidizing fracture height in gas reservoir with bottom water of the second section of Sinian Dengying Formation in Anyue Gas Field Sichuan Basin

Song LI,Jiexiao YE,Fufeng GUO,Tingting HE,Qiuyun HU

表1 磨溪A井、磨溪B井灯二段测井解释对比

Table 1 Comparison of logging interpretation of the second Member of Sinian Dengying Formation in wells Moxi A and Moxi B

井号 层位 井段/m 测井解释 裂缝发育情况 两段应力差/MPa 距离气水界面/m 磨溪A 灯二段 5 422.0~5 459.0 气层 中—高角度裂缝 1.118 65.5 灯二下亚段 5 503.4~5 710.6 水层 磨溪B 灯二段 5 423.0~5 459.0 气层 中低角度裂缝 1.518 31.0 灯二下亚段 5 489.6~5 592.9 水层