Overpressure origin and its effects on petroleum accumulation in the conglomerate oil province in Mahu Sag, Junggar Basin, NW China
LI Jun,TANG Yong,WU Tao,ZHAO Jingzhou,WU Heyuan,WU Weitao,BAI Yubin
Fig. 4. Shale compaction features and formation pressure profiles of Well MH2 in the west slope (a) and Well M18 in the central area (b) of the Mahu Sag. J1b—Badaowan Formation; T3b—Baijiantan Formation; T2k—Karamay Formation; T1b—Baikouquan Formation; P2w— Lower Wuerhe Formation.