Water blocking effect caused by the use of hydraulic methods for permeability enhancement in coal se

• 作 者: Liu Qian Guo Yusen An Fenghua
• 机 构: FacultyofResourceEngineeringLongyanUniversity,FacultyofSafetyScienceandEngineering
• 出 处: 矿业科学技术学报：英文版
• 发表日期: 2016年4期
• 关键词: 煤层透气性 堵水效果 水力 表面活性剂 镜质体反射率 羧甲基纤维素钠 毛细管力 矿井瓦斯 Gas extraction Hydraulic measures W
• 基金项目: This work is financially supported by the National Natural Science Foundation of China （No. 51504084） and the Education Department of Fujian Province （No. JA15493）.

To research techniques for removing the water blocking effect caused by hydraulic applications in coal seams,the use of surfactants is proposed,based on the mechanics of the water blocking effect.Centrifugal experiments were used to validate the effects o