现代地质Issue(1):192-199,8.
中亚北乌斯丘尔特盆地成藏组合划分与资源潜力评价
Division of Hydrocarbon Plays and Resources Evaluation in the North Ustyurt Basin,Central Asia
摘要
Abstract
Based on the integrated analysis of the basic geological features an d oil and gas fields distribution, and cored by reservoirs,seven hydrocarbon plays are divided in the Eocene,Lower Cretaceous,Middle and Lower Jurassic,and Carboniferous reservoirs in the North Ustyurt basin.The undiscovered recoverable petrole-um resources of the plays have also been reevaluated by the Monte Carlo method.The result reveals that the to-tal amount of the undiscovered resources is about 2 102 MMboe,of which oil is 1 201 MMbbl and gas is 5 406 Bcf.Geological risks evaluation of key elements including reservoirs,traps,migration and preservation have also been completed.Then,the seven hydrocarbon plays are ranked by the double factors method of resources-risks.According to the classification criterion,there are one Ⅰ-class play,one Ⅱb-class play,two Ⅲ-class plays,two Ⅳa-class plays and one Ⅳc-class play in the North Ustyurt basin.The most favorable exploration ob-jectives in the Mesozoic should be faulted anticlinal traps in the northern slope and on the top of the North Buza-chi uplift,where the Paleozoic Bashkirian and Asselian carbonate reservoirs may also have potentials.In addi-tion,it is hopeful to find oil and gas reserves in the local Eocene and Middle Jurassic sandstone and the Carboni-ferous Visean carbonate reservoirs in the eastern basin.关键词
油气分布/储集层/成藏组合/潜力评价/地质风险/北乌斯丘尔特盆地Key words
hydrocarbon distribution/reservoir/hydrocarbon play/resource evaluation/geological risk/North Ustyurt basin分类
能源科技引用本文复制引用
余一欣,殷进垠,郑俊章,李锋,陶崇智,徐小龙,吴航..中亚北乌斯丘尔特盆地成藏组合划分与资源潜力评价[J].现代地质,2016,(1):192-199,8.基金项目
国家自然科学基金项目(41472117,41125010);国家科技重大专项 ()