天然气勘探

潜山内幕油藏裂缝发育段地震响应特征研究

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  • 中国石油辽河油田公司,辽宁 盘锦 124010
任芳祥(1963-),男,辽宁朝阳人,教授级高级工程师,主要从事油气田开发研究.E-mail:renfangxiang@petrochina.com.cn.

收稿日期: 2013-07-10

  修回日期: 2013-12-22

  网络出版日期: 2014-04-10

基金资助

中国石油重大科技专项“辽河油田原油千万吨持续稳产关键技术研究”(编号:20121-30)资助.

Research on Seismic Response Characteristics of Fracture Developed Section of Reservoirs inside the Buried Hill

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  • Liaohe Oilfield Company, PetroChina,Panjin 124010, China

Received date: 2013-07-10

  Revised date: 2013-12-22

  Online published: 2014-04-10

摘要

裂缝发育段是潜山内幕油藏的主要储集空间,可靠地预测裂缝发育段的空间分布是实现该类油藏有效勘探开发的关键。近年来,中国石油辽河油田在兴隆台潜山内幕油藏勘探开发实践中,在勘探初期仅有少量探井的情况下,以裂缝岩心描述为基础,充分挖掘构造位置、地层岩性、裂缝特征、地震信息响应特征以及产能特征间的匹配关系,大大提高了裂缝发育段识别与预测的可靠性。基于以上认识,创新性提出地质地震统计学裂缝发育段评价与预测技术,把井眼的“硬数据”与三维地震资料“软数据”相互融合,建立起裂缝发育特征—地震反射轴特征—产能特征的耦合响应关系,实现了裂缝发育段的定性—半定量预测,有效地指导了潜山内幕油藏的勘探开发工作。

本文引用格式

任芳祥,龚姚进,张吉昌,谷团,曹积万 . 潜山内幕油藏裂缝发育段地震响应特征研究[J]. 天然气地球科学, 2014 , 25(4) : 565 -573 . DOI: 10.11764/j.issn.1672-1926.2014.04.565

Abstract

The fracture developed sections are the dominant storage spaces for the reservoirs inside the buried hill.How to effectively predict the spatial distribution of the fracture section is the critical issue to explore and develop the reservoirs inside the buried hill.At present,based on core description of the fracture in the exploration and development practice of Xinglongtai buried hill in Liaohe Oilfield,great attention has been paid in order to find out the matching relationship among structural location,formation lithology,fracture characteristics,seismic response characteristics and productivity in the case of only a few exploration wells during the initial stage of exploration,and the reliability of fracture development recognition and prediction is greatly improved.Based on the above recognition,geophysical and geological statistical method has been developed originally in order to evaluate and predict fracture developed section,which integrates the borewell “hard data” with three-dimensional seismic “soft data”,establishes the correlation between the seismic reflection features,fracture development features and productivity features,and achieves the qualitative to semi-quantitative prediction of fracture developed zones.The method has effectively guided the exploration and development of the reservoirs inside the buried hill.

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