Fig. 6

Lithofacies association of the F4 Formation in the Z oilfield: (A) lithofacies association of LF2–LF7–LF1; (B) lithofacies association of L11–L12–L10–LF2–LF6–LF7; (C) lithofacies association of LF2–LF9–LF8–LF5–LF3; (D) lithofacies association of LF7–LF3; (E) lithofacies association of LF7–LF4–LF7; and (F) lithofacies association of LF1–LF7–LF1