准噶尔盆地腹部地区中—上侏罗统沉积相研究

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英文篇名：The Sedimentary Facies of Upper-Middle Jurassic in the Hinterland of the Junggar Basin 中文刊名：中国西部油气地质 英文刊名：West China Petroleum Geosciences 作者：由伟丰 英文作者：You Wei-feng(Research Institute of Petroleum Exploration and Production ; SINOPEC ; Beijing 100083 ; China) 中文关键词：准噶尔盆地 ; 中上侏罗统 ; 车—莫古隆起 ; 沉积相 英文关键词：Junggar basin ; Upper-Middle Jurassic ; the ancient Chemo uplift ; sedimentary facies 出版日期：2006-09-30 机构：中国石化石油勘探开发研究院 北京100083 年：2006 期：03 出版单位：中国西部油气地质

摘要

中上侏罗统是准噶尔盆地腹部重要的勘探目的层系,近年来取得了一系列重要的油气发现。利用钻井、测井和地震资料对腹部地区117口钻井进行分层,在砂体厚度、含砂率统计的基础上,编制了西山窑组、头屯河组和齐古组的砂体等厚图,并结合取心井的岩心观察,编制了相应层段的沉积相图。准噶尔盆地腹部,尤其是中石化区块中上侏罗统的沉积相,主要受燕山期形成的横跨准噶尔盆地的车—莫古隆起控制,车—莫古隆起的发育和演化为盆地腹部地区创造了独特的油气运聚背景,决定了腹部探区具有多期构造演化与多期成藏的特点。
The Upper-Middle Jurassic is a very important exploration target in the hinterland of the Junggar basin,and a series of significant achievements in petroleum exploration have been achieved.Taking advantage of drilling,logging and seismic data, stratigraphy of one hundred and seventeen wells was divided.On the basis of the thickness of sand bodies and sand percentage,isopach map and sedimentary facies map of J2x,J2t and J3q were prepared.Sedimentary facies types and sandstone distribution of the hinterland of the basin, especially the Upper-Middle Jurassic of Sinopec block,were mainly affected by the ancient Chemo uplift.The development and evolvement of ancient Chemo uplift decided development of multi-stage structures and hydrocarbon accumulation.

引文

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