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| 四川盆地环开江——梁平海槽长兴组——飞仙关组沉积模式 | |
| 引用本文： | 张建勇,周进高,郝毅,王小芳,吕玉珍,张大智,徐美茹,张润合,谷明峰,张敬艺.四川盆地环开江——梁平海槽长兴组——飞仙关组沉积模式[J].海相油气地质,2011,16(3):45-54. |
| 作者姓名： | 张建勇 周进高 郝毅 王小芳 吕玉珍 张大智 徐美茹 张润合 谷明峰 张敬艺 |
| 作者单位： | 1. 中国石油杭州地质研究院;中国石油天然气集团公司碳酸盐岩储层重点实验室 2. 中国石油杭州地质研究院 3. 中国石油大庆油田勘探开发研究院 4. 中国石油冀东油田勘探开发研究院 |
| 基金项目： | 国家科技重大专项，国家"973"项目，中石油勘探生产分公司前瞻项目资助 |
| 摘 要： | 在综合分析的基础上确定了环开江--梁平海槽长兴组--飞仙关组的层序划分方案,长兴组和飞仙关组均可划分出两个三级层序.在层序格架内进行了岩相古地理的编图及演化分析,认为在台地边缘不同地区具有不同的岩相古地理特征,发育不同类型的台地边缘.结合地震资料及钻井资料建立了台地边缘的三种沉积模式:(1)以剑阁地区为代表的"进积型台... |
| 关 键 词： | 四川盆地 开江-梁平海槽 长兴组 飞仙关组 海相沉积 沉积古地理 沉积模式 |
A Sedimentary Model of Changxing and Feixianguan Reservoirs around Kaijiang-Liangping Trough in Sichuan Basin |
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| Zhang Jianyong,Zhou Jingao,Hao Yi,Wang Xiaofang,Lü Yuzhen,Zhang Dazhi,Xu Meiru,Zhang Runhe,Gu Mingfeng,Zhang Jingyi.A Sedimentary Model of Changxing and Feixianguan Reservoirs around Kaijiang-Liangping Trough in Sichuan Basin[J].Marine Origin Petroleum Geology,2011,16(3):45-54. | |
| Authors: | Zhang Jianyong Zhou Jingao Hao Yi Wang Xiaofang Lü Yuzhen Zhang Dazhi Xu Meiru Zhang Runhe Gu Mingfeng Zhang Jingyi |
| Abstract: | Based on comprehensive analysis,the frame of sequence stratigraphy is confirmed.The Changxing Formation can be divided into two sequences and the Feixianguan Formation into two sequences.Under the control of sequence framework,the lithofacies palaeogeography is mapped and the evolution is analyzed.It is considered that different platform margins develop in different areas around Kaijiang-Liangping Trough.According to the logging data and seismic data,three models of platform margin are set up:(1) the "progradating platform margin" represented by the one in Jiange area,which is characterized by reef and oolite shoal progradation to the trough center but thin monolayers of reservoir beds with low-reserved capability;(2) the "aggradating platform margin"representative in Longgang area,which is characterized by reef and oolite shoal aggradation and thick monolayers of biodetritus shoal and oolite shoal reservoir beds with high dolomitization,in which excellent reservoirs develop;and(3) the "isolated platform margin" located between Kaijiang-Liangping Trough and Chenkou-Exi Trough where the sedimentary environment was the half-restricted platform during late Permian Changxing phase and became into the evaporated platform during early Triassic Feixianguan phase,which brought in a large scale of reef and oolite shoal deposition and succedent high dolomitization so this kind of margin is the most potential area where excellent reservoirs may be discovered. |
| Keywords: | Upper Permian Lower Triassic Sedimentary model Marine sediments Sedimentary paleogeography Kaijiang-Liangping Trough Sichuan Basin |
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