石油勘探与开发 >

2016 , Vol. 43 >Issue 2: 303 - 309

DOI: https://doi.org/10.11698/PED.2016.02.19

综合研究

沁水盆地南部高阶煤层气成藏规律与勘探开发技术

  • 赵贤正 ,
  • 杨延辉 ,
  • 孙粉锦 ,
  • 王勃 ,
  • 左银卿 ,
  • 李梦溪 ,
  • 申建 ,
  • 穆福元
展开
  • 1. 中国石油华北油田公司；
    2. 中国石油大港油田公司；
    3. 中国石油勘探开发研究院廊坊分院；
    4. 中国矿业大学资源与地球科学学院
赵贤正（1962-）,男,浙江义乌人,博士,中国石油大港油田公司教授级高级工程师,李四光地质科学奖、孙越崎能源大奖获得者,主要从事油气勘探、煤层气勘探开发研究与生产管理工作。地址：天津大港油田三号院,中国石油大港油田公司机关,邮政编码：300280。E-mail: xzzhao@petrochina.com.cn

网络出版日期: 2017-01-01

基金资助

国家科技重大专项“大型油气田及煤层气开发”（2011ZX05061; 2011ZX05043-006; 2011ZX05028-002）; 中国石油天然气股份有限公司重大科技专项“煤层气勘探开发关键技术研究与示范应用”（2013E-2205）; 中国矿业大学基本科研业务费项目（2012QNB32）

收起

Enrichment mechanism and exploration and development technologies of high rank coalbed methane in south Qinshui Basin, Shanxi Province

  • ZHAO Xianzheng ,
  • YANG Yanhui ,
  • SUN Fenjin ,
  • WANG Bo ,
  • ZUO Yinqing ,
  • LI Mengxi ,
  • SHEN Jian ,
  • MU Fuyuan
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  • 1. PetroChina Huabei Oilfield Company, Renqiu 062552, China;
    2. PetroChina Dagang Oilfield Company, Tianjin 300280, China;
    3. PetroChina Research Institute of Petroleum Exploration & Development-Langfang 065007, China;
    4. School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China

Online published: 2017-01-01

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摘要

基于对沁水盆地南部高阶煤层气基本地质特征及成藏控制因素的分析,研究其成藏规律与勘探开发技术。勘探开发实践证实研究区煤层气藏具有三大特性：①煤阶高,吸附能力强,资源条件优势明显;②孔隙率低,双峰态孔隙结构,渗流条件瓶颈显著;③储集层压力梯度低,制约产出。在深入分析高阶煤特性基础上,提出了构造、沉积、热动力和水文地质条件“协同、互补、共存”成藏理论,建立了研究区煤层气非富集成藏模式,使成藏界定问题简化且直接指导煤层气开发选区。沁水盆地南部煤层气区块勘探开发形成了五大关键技术体系：①地球物理勘探综合评价技术,②适合于高阶煤储集层的钻完井技术,③储集层改造主体技术,④智能化排采控制技术,⑤煤层气田的数字化技术,为新区块煤层气产能建设的有序推进提供了技术支撑。图4参21

关键词： 沁水盆地; 高阶煤; 煤层气; 成藏特征; 成藏条件; 勘探开发技术

本文引用格式

赵贤正 , 杨延辉 , 孙粉锦 , 王勃 , 左银卿 , 李梦溪 , 申建 , 穆福元 . 沁水盆地南部高阶煤层气成藏规律与勘探开发技术[J]. 石油勘探与开发, 2016 , 43(2) : 303 -309 . DOI: 10.11698/PED.2016.02.19

Abstract

Based on analysis of the basic geologic characteristics and enrichment controlling factors of the high rank coalbed methane (CBM) in south Qinshui Basin in China, its enrichment mode, and exploration and development technologies are studied. Practices on the CBM exploration and development proved that the CBM reservoirs in this study area have the following three major properties: (1) High coal rank, strong adsorption ability, and good resources condition; (2) Low porosity, bimodal porosity structure, and obvious “bottleneck” of flow condition; (3) low reservoir pressure gradient that can constrain production. Based on deep analysis of high rank coal properties, this study proposes a coexistence and complementarity concept of structure, sedimentary, thermal power and hydro-geological conditions, and establishes a CBM dissipation model, which can simplify CBM enrichment problem and directly guide the region selection of CBM development. Five major critical technical systems have been formed for the CBM exploration and development in south Qinshui Basin: (1) Comprehensive geophyisical exploration and evaluation technologies; (2) Well drilling and completion technologies for high rank coal reservoirs; (3) Major reservoir treatment technologies; (4) Intelligent drainage and production control technologies; (5) Digital technology of coalbed gas field. These have effectively provided technical support for an orderly productivity construction of new CBM blocks.

Key words： Qinshui Basin; high rank coal; coalbed methane; enrichment characteristics; enrichment condition; exploration and development technologies

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