摘要
为精细解剖西非油气富集的Rio Muni盆地复杂盐拱构造带上的油藏特征,为其他相似地区油藏评价提供一定参考,以位于复杂盐拱构造带上的H油藏为例,利用地震、测井、录井、钻井和MDT测试等资料分析H油藏的构造、沉积、储层和油层分布特征及成藏主控因素等。研究得出,H油藏属于典型的构造岩性复合油藏,为构造背景下的岩性边水油藏,具有多套油水系统,构造高部位发育盐刺穿,储层既有浊积砂岩储层又有滑脱灰岩储层,主要分布于构造的翼部低部位,滑脱断层和盐拱是油气成藏的主控因素。
In order to fine analyse the reservoir characteristics on complex salt-arch tectonic belt in Rio Muni Basin of west Africa,and provide certain reference for other similar reservoir evaluation,we take the H reservoir as an example. The structure,sediment,reservoir,oil distribution and main controlling factors of reservoir are analyzed according to the seismic data,wireline logging,mud logging,drilling and MDT. The conclusion is that the H reservoir is a litho-structural reservoir,lithologic edge water oil pool with some oil-water contact in structural setting. There is salt diapir in the crest. The reservoir has both turbidite sandstone and gravitational decollement limestone in lower part of this trap. Decollement fault and salt diapir are the main factors of oil accumulation.
出处
《世界地质》
CAS
2015年第3期760-765,共6页
World Geology
基金
国家"十二五"重大专项"非洲
中东重点勘探区油气地质评价及关键技术研究"(2011ZX05030-003)
关键词
构造岩性复合油藏
油藏特征
成藏主控因素
油气富集
RIO
Muni盆地
西非
structural-lithological reservoir
reservoir characteristics
main controlling factors of reservoir
hydrocarbon accumulation
Rio Muni Basin
West Africa
