The gas from Ake Well 1 has good correlation with kerogen carbon isotope, maturity, and generating history of Carboniferous source rock.So the gas should be mainly come from Carboniferous source rock.

• 而石炭系干酪根碳同位素值、成熟度、生烃史等均与阿克1井天然气对比良好，应是阿克1井的主要气源岩。