Q uantitative characterization technique for tight gas reservoir in Groundbirch, Canada

doi:10.7623/syxb201704001

Acta Petrolei Sinica ›› 2017, Vol. 38 ›› Issue (4): 363-374.DOI: 10.7623/syxb201704001

• Petroleum Exploration • Next Articles

Q uantitative characterization technique for tight gas reservoir in Groundbirch, Canada

Mu Longxin, Zhang Ming, Xia Zhaohui, Qu Liangchao, Jiang Ping

PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China

Received:2016-12-24 Revised:2017-02-20 Online:2017-04-25 Published:2017-05-04

加拿大白桦地致密气储层定量表征技术

穆龙新, 张铭, 夏朝辉, 曲良超, 蒋平

中国石油勘探开发研究院北京 100083

通讯作者: 张铭,女,1966年11月生,1989年获中国地质大学(武汉)学士学位,2002年获中国地质大学(北京)博士学位,现为中国石油勘探开发研究院高级工程师,主要从事油气田开发地质、油气藏精细描述及沉积储层等研究工作。Email:zhlmv@petrochina.com.cn
作者简介:穆龙新,男,1960年12月生,1982年毕业于中国地质大学,2004年获中国石油勘探开发研究院博士学位,现为中国石油勘探开发研究院副院长、教授级高级工程师,主要从事海外油气田勘探开发综合研究与管理工作。Email:mlx@petrochina.com.cn
基金资助:
中国石油天然气集团公司重大科技专项（2011E-2509）资助。

Abstract

Abstract:

Based on the study of large-scale tight sand gas field in Groundbirch, Canada, this paper presents five properties for evaluation and analysis in tight gas development process, proposes the key parameters of tight-gas reservoir characterization, and determines the quantitative characterization and evaluation techniques applicable for tight gas reservoir in study area. Thus, a set of index system has been formed and includes multi-cycle fine isochronous stratigraphic framework and the analysis technique of sand-body superimposition structure characteristics for outlining reservoir distribution, the geostatistical quantitative technique of TOC logging parameters for obtaining organic matter abundance, the calibration technique of core "four-property" correlation and the quantitative characterization technique of reservoir properties based on sequential Gaussian simulation method for determining reservoir property classification level, the comprehensive discrimination technique of rock brittleness index based on core stress test and logging interpretation for determining rock compressibility, the integrated evaluation technique of multiple parameter assemblages related with the production of fracturing horizontal well for identifying favorable well blocks, the subsurface micro-seismic monitoring technology applicable to quantitatively characterize artificial fractures and optimize well arrangement, the optimizing technique of horizontal multi-stage fracturing for determining optimal fracturing member quantity, fracture spacing and other parameters as well as the single-well control volume and reserve of staged fracturing horizontal wells. The comprehensive research on reservoirs and fractures achieves the constant optimization of exploratory well pattern in tight gas reservoir, and the large-scale horizontal fracturing production is an effective way to guarantee high tight-gas production. These techniques have remarkable application effects in field.

Key words: tight gas field, reservoir quality, key parameters, quantitative characterization, horizontal multi-stage fracturing, Groundbirch in Canada

摘要：

以加拿大白桦地大型致密砂岩气田的研究为基础，梳理了致密气开发过程中需要评价分析的5大品质特性，提出了表征致密气储层特征的关键参数，确定了适用研究区的致密气储层定量表征和评价技术，形成了一套指标体系：多旋回精细等时地层格架和砂体叠置结构特征分析技术以确定储层空间展布；TOC测井参数地质统计定量技术以确定有机质丰度；岩心“四性”关系标定与序贯高斯模拟的储层物性定量表征技术以确定储层物性分类级别；基于岩心应力实验和测井解释的岩石脆性指数综合判定技术以确定岩石可压性；与压裂水平井产量相关的多参数组合综合评价技术以确定有利布井区；井下微地震监测技术定量用以表征人工裂缝、优化井位部署；水平井分段压裂优化技术确定最佳压裂段数、缝间距等参数，落实分段压裂水平井单井控制体积，确定单井控制储量。通过储层和裂缝综合研究不断优化致密气藏开发井网，其中大规模水平井压裂是致密气高产的有效保障，这些技术的现场应用也取得了显著的效果。

关键词: 致密气田, 储层品质, 关键参数, 定量表征, 水平井多级压裂, 加拿大白桦地

CLC Number:

TE122.2

Mu Longxin, Zhang Ming, Xia Zhaohui, Qu Liangchao, Jiang Ping. Q uantitative characterization technique for tight gas reservoir in Groundbirch, Canada[J]. Acta Petrolei Sinica, 2017, 38(4): 363-374.

穆龙新, 张铭, 夏朝辉, 曲良超, 蒋平. 加拿大白桦地致密气储层定量表征技术[J]. 石油学报, 2017, 38(4): 363-374.

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Q uantitative characterization technique for tight gas reservoir in Groundbirch, Canada

加拿大白桦地致密气储层定量表征技术

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