断层封闭性定量评价方法在港西地区的应用

doi:10.3969/j.issn.1672-9803.2023.04.011

录井工程 ›› 2023, Vol. 34 ›› Issue (4): 67-72.doi: 10.3969/j.issn.1672-9803.2023.04.011

断层封闭性定量评价方法在港西地区的应用

韩静^①, 乔东生^②, 卢刚臣^①, 李振永^①, 臧明峰^①, 李燕^③

①中国石油东方地球物理公司研究院大港分院;
②中国石油大港油田公司第五采油厂;
③中国石油渤海钻探井下作业分公司

收稿日期:2023-07-12 出版日期:2023-12-25 发布日期:2024-01-04
作者简介:韩静工程师,1985年生.2007年毕业于中国地质大学(北京)地理信息系统专业,现在中国石油东方地球物理公司研究院大港分院从事地质综合研究工作。通信地址:300280 天津市大港油田红旗路中段中国石油东方地球物理公司研究院大港分院。电话:(022)25965986。E-mail:hanjing01@cnpc.com.cn

Application of quantitative evaluation methods for fault sealing ability in Gangxi area

HAN Jing^①, QIAO Dongsheng^②, LU Gangchen^①, LI Zhenyong^①, ZANG Mingfeng^①, LI Yan^③

①Dagang Branch,Research Institute of BGP INC.,CNPC,Tianjin 300280,China;
②No. 5 Oil Production Plant of PetroChina Dagang Oilfield Company,Tianjin 300280,China;
③Downhole Services Company,BHDC,CNPC,Tianjin 300280,China

Received:2023-07-12 Online:2023-12-25 Published:2024-01-04

摘要/Abstract

摘要： 为实现对断层导水性的定量化评价,以港西地区的港西断层为例,利用断层岩泥质含量法及断层面正压力法评价断层垂向封闭性,利用断-储排替压力差法评价断层侧向封闭性。研究结果表明：断层岩泥质含量和断层面正压力是影响断层垂向封闭性的主要因素,断层岩泥质含量越高,断层面正压力越大,垂向封闭性越好;断层侧向封闭性是基于断层封闭机理进行评价的,影响因素较多。基于岩性敏感曲线应用地质统计学反演得到岩性体,结合断层封闭性评价结果,以及注水井注水层位分布情况,预测断层面的可能水窜通道,为港西地区后续注采井网部署提供参考。

关键词: 断层, 封闭性, 导水性, 定量评价, 港西地区, 泥质含量, 断层面正压力

Abstract: In order to quantitatively evaluate water transmissibility of faults,taking the Gangxi fault in Gangxi area as an example,the fault rock shale content method and the fault surface positive pressure method were used to evaluate the vertical sealing ability of faults,fault rock displacement pressure-reservoir displacement pressure difference method was used to evaluate the lateral sealing ability of faults. We found that the shale content of fault rock and the positive pressure of fault surface were the main factors affecting the vertical sealing ability of faults. The higher the shale content of fault rock,the greater the positive pressure of fault surface and the better the vertical sealing ability. Fault lateral sealing ability was evaluated based on fault sealing mechanisms with many influencing factors. The lithosome was obtained by geostatistics inversion based on lithology sensitive curves. Combined the evaluation results of fault sealing ability with the distribution of injecting layers in water injection wells,predict the possible water channeling at the fault surface,providing reference for the subsequent deployment of injection-production pattern in Gangxi area.

Key words: fault, sealing ability, water transmissibility, quantitative evaluation, Gangxi area, shale content, positive pressure of fault surface

中图分类号:

TE132.1

韩静, 乔东生, 卢刚臣, 李振永, 臧明峰, 李燕. 断层封闭性定量评价方法在港西地区的应用[J]. 录井工程, 2023, 34(4): 67-72.

HAN Jing, QIAO Dongsheng, LU Gangchen, LI Zhenyong, ZANG Mingfeng, LI Yan. Application of quantitative evaluation methods for fault sealing ability in Gangxi area[J]. Mud Logging Engineering, 2023, 34(4): 67-72.

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断层封闭性定量评价方法在港西地区的应用

Application of quantitative evaluation methods for fault sealing ability in Gangxi area

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