摘要
银额盆地下白垩统巴音戈壁组油页岩赋存于巴音戈壁组的二、三段。利用钻井岩心和分析测试资料,对巴音戈壁组油页岩物理特征、品质特征、地球化学特征、有机地球化学特征及分布特征进行了研究,并对油页岩沉积环境、古湖泊生产力、构造和古气候条件进行了分析。研究结果表明:巴音戈壁组油页岩为低含油率、中灰分、低发热量油页岩;并可分为4个油层组,主力油层组形成于高水位体系域时期,成因类型为深湖-半深湖腐殖腐泥型油页岩。油页岩的富集主要受构造发育特征、沉积环境和古气候、古地貌等因素控制。
Oil shale in the Lower Cretaceous in the Yin＇e basin occurs in the second and third members of the Bayingebi Formation. By using borehole core and analysis data, the physics, quality, geo- chemistry, organic geochemistry and distribution of the oil shale from Bayingebi Formation have been studied, and the sedimentary environment, yield power of palaolake, tectonic and paleoclimate of the oil shale also have been studied. The study results indicate that the oil shale from Bayingebi Formation is of low oil-bearing rate, middle volatilization and low generate heat. Oil shale may be divided into four oil layers. The main oil layer shale were developed during highstand system tract. The genetic type of theoil shale are sapropelic and humus type of deep lake. The concentration of the oil shale was controlled by tectonic evolution, sedimentary environment, paleoclimate and paleo-topograph.
出处
《吉林大学学报（地球科学版）》
EI
CAS
CSCD
北大核心
2009年第4期669-675,共7页
Journal of Jilin University：Earth Science Edition
基金
中国石油股份有限公司项目(KT070106)
关键词
银额盆地
巴音戈壁组
油页岩
古环境
Yin＇e basin
Bayingebi Formation oil shale
paleoenvironment
