Based on comprehensive analysis of various geologic data, it is believed that the major pay zones in Neocene Minghuazhen Fm in BZ25 - 1S oilfield are deposits of shallow water delta facies.

• 综合各种地质信息后分析认为,渤中25-1南油田新近系明化镇组主力油层为浅水三角洲相相沉积。