基于模糊物元法的煤层气有利开发区优选  

The CBM Favorable Zone Selection Based on Fuzzy Matter-Element Method

作　　者：张立刚[1] 闫立鹏 曲思凝 李士斌[1] 官兵[1] 王昶浩 ZHANG Li-gang1, YAN Li-peng2, QU Si-ning1, LI Shi-bin1 GUAN Bing1, WANG Chang-hao1(1. College of Petroleum Engineering, Northeast Petroleum University, Daqing. 163318, China;2. SINNOPEC Research Institute of Petroleum Engineering, Beijing 100101, Chin)

机构地区：[1]东北石油大学石油工程学院,黑龙江大庆163318 [2]中国石化石油工程技术研究院,北京100101

出　　处：《数学的实践与认识》2018年第14期215-221,共7页Mathematics in Practice and Theory

摘　　要：煤层气有利开发区的评价和筛选，直接影响和决定着煤层气开发的成败．鸡西盆地煤层气富集，但区域煤岩渗透率较低，制约着煤层气的有效开发．选取了煤层发育较好的鸡西梨树镇凹陷城子河组T4-2-1层为研究对象，首先分析了区域渗透率展布特征，综合考虑煤层气资源潜力、成藏条件和渗透率特征，初步筛选了煤层气有利开发目标区．然后，引入对煤层气富集、可采性和各目标区之间有明显差异的参数作为评价指标，运用模糊物元法，计算了各评价指标的权重和关联度模糊物元，比较了各目标区的优劣，获得了煤层气优先开发靶区．在靶区部署了鸡气1井，取得了较好的开采效果．The evaluation and selection of CBM favorable zone is directly affects and decides the success or failure of CBM development. The CBM is rich in Jixi basin. The permeability is low that restricts the effective development of CBM. The Chengzihe formation was selected as the research object where the CBM rich. Firstly, the permeability distribution characteristics were simulated. According to the permeability range which can be effective fractured, the CBM favorable zones were preliminary screened. Then, the parameters which influence the CBM enrichment, recoverability and have large different between the target zones are collected. With？the fuzzy matter-element method, the weight and correction degree fuzzy matter-element of each parameter were determined. Finally, by comparing the correction degree fuzzy matter-element, the target development area of CBM was determined. The JiQil well was deployed in target well and obtained good development effect.

关 键 词：煤层气 有利开发区 城子河组 渗透率 模糊物元 

分 类 号：TE37[石油与天然气工程—油气田开发工程]