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[1]衡立群 张青青 王 健 戴 宗 孙润平.“V-C”层序地层学方法及其在油田开发中后期的应用[J].中国海上油气,2020,32(05):82-90.[doi:10.11935/j.issn.1673-1506.2020.05.010]
 HENG Liqun ZHANG Qingqing WANG Jian DAI Zong SUN Runping.“V-C” sequence stratigraphic analysis method and its application in the middle-late stages of oilfield development[J].China Offshore Oil and Gas,2020,32(05):82-90.[doi:10.11935/j.issn.1673-1506.2020.05.010]
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“V-C”层序地层学方法及其在油田开发中后期的应用()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第32卷
期数:
2020年05期
页码:
82-90
栏目:
油气田开发(南海东部海域开发成果专辑)
出版日期:
2020-09-25

文章信息/Info

Title:
“V-C” sequence stratigraphic analysis method and its application in the middle-late stages of oilfield development
文章编号:
1673-1506(2020)05-0082-09
作者:
衡立群1 张青青23 王 健23 戴 宗1 孙润平1
(1. 中海石油(中国)有限公司深圳分公司研究院 广东深圳 518054; 2. 中国石油大学(华东)地球科学与技术学院 山东青岛 266580; 3. 海洋国家实验室海洋矿产资源评价与探测技术功能实验室 山东青岛 266071)
Author(s):
HENG Liqun1 ZHANG Qingqing23 WANG Jian23 DAI Zong1 SUN Runping1
(1. CNOOC China Limited, Shenzhen Branch, Shenzhen, Guangdong 518054, China; 2. School of Geosciences, ChinaUniversity of Petroleum, Qingdao, Shandong 266580, China; 3 Laboratory for Marine Mineral Resources, QingdaoNational Laboratory for Marine Scienc
关键词:
“V-C”层序地层学方法 高精度层序地层 应用 开发中后期 番禺A油田
Keywords:
“V-C” sequence stratigraphy method high-precision sequence stratigraphy application middle-late stages of development Panyu A oilfield
分类号:
P531
DOI:
10.11935/j.issn.1673-1506.2020.05.010
文献标志码:
A
摘要:
经典的Vail(EXXON)层序地层学理论,对区域等时地层格架的建立效果较好,但划分精度低; 而以Cross为代表的高分辨率层序地层学,对地层划分精度非常高,但区域地层格架划分对比效果差。结合Vail和Cross层序地层学研究方法的优点,提出了“V-C”高精度层序地层学研究方法:在Vail层序地层理论的指导下,以地震、测井资料为基础,通过识别典型地震接触关系和地层叠加样式变化,建立盆地或区域不整合控制下的的三级、四级等时层序地层格架; 同时在Cross高分辨率层序地层学研究方法的指导下,基于露头、岩心、测井等资料,以基准面旋回-地层过程响应为理论依据,识别旋回结构类型和不同级次基准面旋回界面,从而确定短期、中期和长期旋回; 然后以四级层序(中期旋回)为校验标准对划分的层序界面和旋回结构进行对比和验证,最终建立不整合面控制下的不同基准面旋回的层序格架。该方法成功应用于处于开发阶段的番禺A油田,其建立的高精度层序地层格架不仅能够提高垂向层序地层的划分精度,而且能够对区域层序地层进行有效的划分对比,尤其是短期旋回划分对比为沉积微相精细研究、隔夹层成因和分布提供一个高精度的格架约束,有利于合理有效地预测储层展布及泥质隔夹层分布
Abstract:
The classic Vail theory of sequence stratigraphy theory(EXXON)has obtained a very good application in establishing the regional isochronous stratigraphic framework, but the division accuracy is low; while the high-resolution sequence stratigraphy represented by Cross can be characterized by the very high accuracy of stratigraphic division and the poor correlation of regional stratigraphic framework division. Combining the advantages of Vail sequence stratigraphy theory and Cross sequence stratigraphy method, a “V-C” high-precision sequence stratigraphy research method has been hereby proposed. Under the guidance of Vail sequence stratigraphy theory, it is able to establish the 3rd and 4th order isochronous sequence stratigraphic frameworks under the control of basinal or regional unconformity by identifying the typical seismic contact relationship and the changed stratigraphic superimposed pattern on the basis of seismic and logging data. Meanwhile, under the guidance of Cross high-resolution sequence stratigraphy method, and adhering to the theoretical reference of base level cycle-stratigraphic process response, it is able to identify the types of cycle structure and the base level cycle interfaces of different orders using the outcrop, core, well logging and other data, therefore determining the short-term, medium-term and long-term cycles. On this basis, the divided sequence boundary and cycle structure can be compared and verified by taking the 4th order sequence(medium-term cycle)as the verification standard, and then it is able to finally establish the sequence frameworks of different base level cycles under the control of unconformity. This method has been successfully applied to Panyu A oilfield that is at a stage of development. The established high-precision sequence stratigraphic framework can not only improve the division accuracy of vertical sequence stratigraphy, but also can divide and correlate the regional sequence stratigraphy effectively. Especially, the short-term cycle division can provide a high-precision framework constraint for studying the fine sedimentary microfacies, interlayer genesis and distribution, which is conducive to predicting the reservoir spread and the distribution of argillaceous interlayers reasonably and effectively

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备注/Memo

备注/Memo:
收稿日期:2020-03-05 改回日期:2020-05-23 *中国海洋石油集团有限公司“十三五”科技重大项目“海相砂岩油藏精细描述及剩余油定量预测技术(编号:CNOOC-KJ 135 ZDXM 22 LTD 02 SZ 2016)”部分研究成果。第一作者简介: 衡立群,女,高级工程师,1995年毕业于原石油大学(华东)石油地质勘查专业,获硕士学位,从事油气田开发地质及油藏描述工作。地址:广东省深圳市南山区后海滨路(深圳湾段)3168号中海油大厦A座(邮编:518054)。E-mail:henglq@cnooc.com.cn。通信作者简介:张青青,女,博士研究生,主要从事沉积学和储层地质学的研究工作。地址:山东省青岛市黄岛区长江西路66号(邮编:266580)。E-mail:qqzhupc108@163.com。
更新日期/Last Update: 2020-09-20