摘要
辽东湾绥中36-1油田下第三系东营组下段为浅埋重油油藏。现今埋深仅1300—1885m,但完整的成岩作用序列和深成岩特征说明,该砂体曾经历早期深埋阶段。根据自生石英加大边气液包裹体测温结果,认为早期埋藏深度为2900—3100m,因此推论该砂体晚期最大抬升幅度为1600m。自生碳酸盐胶结物稳定同位素δ^(18)O 值计算的成岩温度,同样说明有早期深埋及晚期抬升蚀顶作用的存在。
SZ 36-1 offshore oil field,Lower Dongying formation,Tertiary system,Liaodong bay is a shallow buried heavy oil pool.The reservior produces the depth only from 1300 to 1885m,but possesses complete se- quence of diagenesis and characteristics of deeply burial,which indicate the reservior undergone former great depth of burial.Depend on the temperature results of inclusion determine (quartz secondary cnlarge- meat) and δ^(18) O isotopic analysis (calcite cement),the reservior imply a former depth of burial of 2900-3100m,and inferred to later uplift of lithosphere of 1600m.
出处
《中国海上油气(地质)》
1990年第4期1-4,共4页
China Offshore Oil and Gas(Geology)