The Paleogene Qianjiang and Xinggouzui Formations with abundant hydrochemical data are main objective intervals targets for hydrocarbon exploration in Jianghan Basin.
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2. 第二含油层系潜江组的原油，一是来自本组未成熟烃源岩，二是来自下伏新沟嘴组下段烃源岩。
Oil in Qianjiang Formation in the second oil bearing series comes both from an immature source rock in this Formation and from the Lower Xingouzui Formation source.
youdao
3. 第二含油层系潜江组的原油，一是来自本组未成熟烃源岩，二是来自下伏新沟嘴组下段烃源岩。
Oil in Qianjiang Formation in the second oil bearing series comes both from an immature source rock in this Formation and from the Lower Xingouzui Formation source.
