摘要
采用定性和定量2种方法对平南油田油气成藏期次进行了对比研究。定性方法采用圈闭形成期法和生排烃时期法,定量方法采用流体包裹体均一温度法。2种方法研究结果吻合,表明平南油田奥陶系储层在东营期末一直到第四纪都有油气充注,但主要成藏期为明化镇早期和晚期两期油气充注,寒武系储层在明化镇期一期充注完成。
Accumulation phase of oil and gas reservoirs is a difficult point in hydrocarbon accumulation study. It has important meanings to confirm the period and time of accumulation, which can help us study the formation and distribution of accumulation and direct the exploration of oil. This paper estimates qualitatively the phase of Pingnan accumulation by analysing the formation period of traps and hydro-producing and hydro-discharging periods of source rock. Then, combined with the tectonic evolvement and thermal history, it analyses quantificationally the period and time of accumulation by means of reservoir fluid inclusion. The integrated analysis indicates that the Ordovician reservoir is charged from the end of Dongying period to Quaternary. But the key phases are the early period and late period of Minghuazhen. The Cambrian reservoir has one phase of charging which is Minghuazhen period.
出处
《断块油气田》
CAS
2007年第6期8-10,共3页
Fault-Block Oil & Gas Field
关键词
流体包裹体
成藏期次
平南油田
均一温度
fluid inclusion,accumulation phase of oil and gas reservoirs,Pingnan Oilfield,homogenization temperature.
