摘要
煤岩润湿性是影响煤岩各种特性的重要因素之一。了解煤岩润湿性影响因素对改善煤层物理化学性质,提出合理的煤层气生产方案,有针对性地选择处理煤层的表面活性剂类型,预测入井液进入煤层后煤层损害程度及保护煤储层等具有重要的指导意义。文章从煤阶、含氧官能团、表面电性、分子结构、组分与润湿历史等方面对煤岩润湿性进行了深入研究,并从机理上分析了煤岩润湿性的各种影响因素,以期为今后煤炭开采和煤层气开发等生产环节中的煤岩处理提供理论依据。
The coal wettability is an important factor which impact various characteristics of coal. Understanding the influencing factors of coal wettability is instructive in improving coal seam physical and chemical properties, putting forward production program, selecting targeted surfactant to deal with coal seam , predicting the extent of damage caused by the fluid into the coal seam and protecting the coal reservoirs,etc. This article studied wettability of coal from coal rank, oxygen functional groups, surface electrical properties, molecular structure, components and wettability history. Moreover, it analysised influential factors of coal wettability mechanismly, expecting to provide a theoretical basis for various processing in coal mining and coalbed methane development in the future.
出处
《煤》
2012年第8期4-5,27,共3页
Coal
基金
国家科技重大专项项目36(2011ZX05036-001)
关键词
煤阶
润湿性
官能团
表面电性
润湿历史
煤层气
coal rank
wettability
functional group
surface electrical properties
wettability history
coalbed methane
