移动趋势面法识别微幅度构造的多参数分析

doi:10.11885/j.issn.1674-5086.2017.01.10.03

西南石油大学学报(自然科学版) ›› 2017, Vol. 39 ›› Issue (3): 34-46.DOI: 10.11885/j.issn.1674-5086.2017.01.10.03

移动趋势面法识别微幅度构造的多参数分析

吴勇^1,2, 马腾², 王玉³, 周路^1,2, 周亚东⁴

1. "油气藏地质及开发工程"国家重点实验室·西南石油大学, 四川成都 610500;
2. 西南石油大学地球科学与技术学院, 四川成都 610500;
3. 中国石油新疆油田公司开发处, 新疆克拉玛依 834000;
4. 中国石油吐哈油田公司勘探开发研究院, 新疆哈密 839009

收稿日期:2017-01-10 出版日期:2017-06-01 发布日期:2017-06-01
通讯作者: 吴勇,E-mail:wycan_112@126.com
作者简介:吴勇,1982年生,男,汉族,陕西咸阳人,讲师,博士,主要从事复杂构造解析与岩性油气藏勘探方面教学和研究。E-mail:wycan_112@126.com;马腾,1991年生,男,汉族,河北保定人,硕士研究生,主要从事地震精细构造解释、油气储层预测方面的研究工作。E-mail:910428478@qq.com;王玉,1985年生,女,汉族,新疆克拉玛依人,工程师,主要从事油气田开发、油气藏描述方面的研究工作。E-mail:wangyu666@petrochina.com.cn;周路,1962年生,男,汉族,四川武胜人,教授,博士生导师,主要从事地震资料解释,地震岩性与储层预测等方面的科研与教学工作。E-mail:Zhoulu9@126.com;周亚东,1983年生,男,汉族,工程师,硕士研究生,主要从事油气藏储层预测与油气藏地质研究工作。E-mail:yadong84@126.com
基金资助:
中国石油股份公司“新疆大庆”重大科技专项（2012E-34-04）

Multi-parameter Analysis of Identifying Micro Amplitude Structures by Moving Trend Surface Method

WU Yong^1,2, MA Teng², WANG Yu³, ZHOU Lu^1,2, ZHOU Yadong⁴

1. State Key Laboratory of Oil Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. School of Geosciences and Technology, Southwest Petroleum University, Chengdu, Sichuan 610500, China;
3. Development Department, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China;
4. Expolratin and Development Research Institute, Tuha Oilfield Company, PetroChina, Hami, Xinjiang 839009, China

Received:2017-01-10 Online:2017-06-01 Published:2017-06-01

摘要/Abstract

摘要： 微幅度构造是吐哈盆地葡北地区七克台组油气成藏的有利构造带，受地震资料分辨率的限制，地震解释技术无法满足微幅度构造精细识别的要求。通过采用移动趋势面方法进行微幅度构造识别的反复试验及分析，并针对其拟合次数、采样间隔和影响半径3个关键参数的优选方法及评价方式进行综合研究，选取二次拟合后认为，最高拟合度的采样间隔及两倍采样间隔的影响半径是移动趋势面法识别微幅度构造的最佳参数组合，为该区微幅度构造的识别提供了有利的方法及参数依据。葡北地区微幅度构造主要分布在鼻状构造背景的轴线及其东北部斜坡区，分布特征与钻井及油气分布区吻合度高。

关键词: 吐哈盆地, 葡北地区, 七克台组, 微幅度构造, 移动趋势面, 参数分析

Abstract: The Qiketai Formation is located in the Pubei Region of the Turpan-Hami Basin. Within the formation, microamplitude structures (MAS) form a favorable tectonic zone for hydrocarbon accumulation. Presently, the resolution of seismic data limits seismic interpretation technologies, making them unable to satisfy the requirements for fine-grained identification of MAS. As an alternative, the moving trend surface method, was used in this study to repeatedly test and analyze MAS. The preferred selection methods for three critical parameters-number of fits, sampling interval, and radius of influence-were also comprehensively studied. After quadratic fitting was selected, the optimal combination of parameters for MAS identification using the moving trend surface method were found to be:(i) the sampling interval for the maximum degree of fit, and (ii) a radius of influence that was two times the sampling interval. These findings were useful for optimizing parameters for MAS identification in the Pubei Region. MAS were found to be mainly distributed along the axis of the nose-shaped tectonic setting and the northeastern slope. Their distributional characteristics were in agreement with the results found during drilling of the hydrocarbon areas.

Key words: Turpan-Hami Basin, Pubei Region, Qiketai Formation, micro-relief structures, moving trend surface, parameter analysis

中图分类号:

TE122

吴勇, 马腾, 王玉, 周路, 周亚东. 移动趋势面法识别微幅度构造的多参数分析[J]. 西南石油大学学报(自然科学版), 2017, 39(3): 34-46.

WU Yong, MA Teng, WANG Yu, ZHOU Lu, ZHOU Yadong. Multi-parameter Analysis of Identifying Micro Amplitude Structures by Moving Trend Surface Method[J]. 西南石油大学学报(自然科学版), 2017, 39(3): 34-46.

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移动趋势面法识别微幅度构造的多参数分析

Multi-parameter Analysis of Identifying Micro Amplitude Structures by Moving Trend Surface Method

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