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. 3. Shale compaction features and formation pressure profiles of Well D9 in the Dabasong uplift (a) and Well YB2 in the Xiayan uplift (b) of the Mahu Sag. J1b—Badaowan Formation; T3b—Baijiantan Formation; T2k—Karamay Formation; T1b—Baikouquan Formation; P2w—Lower Wuerhe Formation.