石油物探2018，Vol.57Issue(3)：332-343,12.DOI:10.3969/j.issn.1000-1441.2018.03.002
黄铁矿与页岩的相互作用及其对页岩气富集与开发的意义
Pyrite-shale interaction in shale gas enrichment and development
摘要
Abstract
Pyrite,which is a fine-grained mineral widely distributed in shale gas reservoirs,has significant effects on shale gas exploration and development.First,depositional environments of pyrite and its characteristic pattern in shale are analyzed,and the formation mechanism of pyrite is revealed,which can lead to the discrimination of high-quality shale sedimentary zones.Furthermore,the hydrocarbon generation mechanism of pyrite is discussed,and then methods to predict the shale gas enrichment zone are proposed.Finally,the beneficial contribution of the brittleness-enhanced characteristic of pyrite to search for favorable mining blocks is expounded.Simultaneously,techniques for reforming shale gas reservoirs by using the easily oxidized characteristic of pyrite to achieve enhanced permeability and increased production are summarized.The results show that pyrit-shale interaction is conducive to the prediction of high-quality shale sediment zones,shale gas enrichment zones,and favorable mining blocks.关键词
页岩气/黄铁矿/沉积环境/催化生烃作用/开发有利区Key words
shale gas/pyrite/depositional environment/catalysis and hydrocarbon generation mechanism/favorable mining block分类
天文与地球科学引用本文复制引用
李丹,欧成华,马中高,靳平平,任玉金,赵永富..黄铁矿与页岩的相互作用及其对页岩气富集与开发的意义[J].石油物探,2018,57(3):332-343,12.基金项目
国家重点基础研究发展计划(973计划)项目(2014CB239201)与国家科技重大专项(2017ZX05035003)联合资助.This research is financially supported by the National Key Basic Research Program of China(973 Program)(Grant No.2014CB239201) and the National Science and Technology Major Project of China (Grant No.2017ZX05035003). （973计划）
