石油勘探与开发 >

2017 , Vol. 44 >Issue 6: 907 - 918

DOI: https://doi.org/10.11698/PED.2017.06.08

油气勘探

基于坡度属性的生物礁边界精细预测方法——以四川盆地罗顶寨地区二叠系长兴组为例

  • 吴勇 ,
  • 周路 ,
  • 钟斐艳 ,
  • 钟克修 ,
  • 袁兵 ,
  • 周洁玲
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  • 1. 西南石油大学地球科学与技术学院,成都 610500;
    2. 西南石油大学油气藏地质及开发工程国家重点实验室,成都 610500;
    3. 西南石油大学电气信息学院,成都 610500;
    4. 中国石油西南油气田公司川东北气矿,四川达州 635000;
    5. 中国石油川庆钻探工程公司地球物理勘探公司,成都 610213
吴勇（1982-）,男,陕西咸阳人,博士,西南石油大学地球科学与技术学院讲师,主要从事地震资料解释、地震岩性与储集层预测等方面的研究与教学。地址：四川省成都市新都区,西南石油大学地球科学与技术学院,邮政编码：610500。E-mail：wycan_112@126.com 联系作者简介：周路（1962-）,男,四川武胜人,博士,西南石油大学地球科学与技术学院教授,主要从事地震资料解释、地震岩性与储集层预测等方面的研究与教学。地址：四川省成都市新都区,西南石油大学地球科学与技术学院,邮政编码：610500。E-mail：zhoulu9@126.com

收稿日期: 2017-04-20

  修回日期: 2017-10-16

  网络出版日期: 2017-11-24

基金资助

国家自然科学重点基金项目“四川盆地东部多重滑脱构造变形系统及其控油气作用”（41430316）

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Fine prediction of reef boundary based on slope attributes: A case study of Permian Changxing Formation in Luodingzhai area, Sichuan Basin, SW China

  • WU Yong ,
  • ZHOU Lu ,
  • ZHONG Feiyan ,
  • ZHONG Kexiu ,
  • YUAN Bing ,
  • ZHOU Jieling
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  • 1. School of Geosciences and Technology, Southwest Petroleum University, Chengdu 610500, China;
    2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China;
    3. School of Electrical Engineering and Information, Southwest Petroleum University, Chengdu 610500, China;
    4. Northeast Sichuan Gas Gield, Southwest Oil & Gasfield Company, PetroChina, Dazhou 635000, China;
    5. Chuanqing Drilling Engineering Company, Geophysical Exploration Company, PetroChina, Chengdu 610213, China

Received date: 2017-04-20

  Revised date: 2017-10-16

  Online published: 2017-11-24

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摘要

基于地貌学中的坡度理论,将坡度作为一种面属性,并结合古地貌分析方法,建立一种利用地震构造精细解释层位数据进行高精度坡度属性计算的台缘型生物礁边界识别方法。综合采用常规地震预测方法、钻井成果和地层厚度资料对该方法进行了验证和补充,并对川东北罗顶寨地区二叠系长兴组生物礁边界采用坡度属性进行平面“成像”。研究表明,该方法识别的生物礁边界特征与钻井揭示的生物礁分布特征一致,生物礁边界局部特征更加精细,对比采用相同地震解释层位为基础数据识别生物礁边界的常规地震预测方法,该方法对台缘型生物礁边界的平面“成像”结果不存在多解性问题。图13表3参29

关键词： 四川盆地; 二叠系长兴组; 生物礁; 地震解释; 坡度; 边界识别

本文引用格式

吴勇 , 周路 , 钟斐艳 , 钟克修 , 袁兵 , 周洁玲 . 基于坡度属性的生物礁边界精细预测方法——以四川盆地罗顶寨地区二叠系长兴组为例[J]. 石油勘探与开发, 2017 , 44(6) : 907 -918 . DOI: 10.11698/PED.2017.06.08

Abstract

Based on the slope theory in geomorphology, a method, which can identify the boundary of platform reef by high precision slope attribute calculation based on the horizon data of fine seismic interpretation, combining the ancient geomorphic analysis method, was established. The conventional seismic prediction methods, drilling results and the thickness data of Changxing Formation were used to verify and supplement this method. Then, this method was used to identify the boundary of uplifted reef on the planar image in the Permian Changxing Formation in Luodingzhai area of Sichuan Basin. The results show that the reef boundary imaged by this method is consistent with the reef distribution revealed by the drilling, and is clearer in local details. Compared with conventional seismic prediction methods, the reef boundary identified based on the same fine seismic horizon interpretation results by this method has no multiple solution on the planar image.

Key words： Sichuan Basin; Permian Changxing Formation; reef; seismic interpretation; slope; boundary identification

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