JZS is the biggest buried hill oil pool in the Liaoxi uplift of Bohai Sea area,with dominated light grey gneiss and cataclasite.

• 渤海海域辽西低凸起锦州南(JZS)太古宇变质岩油藏是渤海海域最大的潜山油藏,岩性以片麻岩及其形成的碎裂岩为主。