The variations and mechanisms of coal wettability affected by fracturing fluids with different concentrations of Ca2+ during fracturing
Xizhuo Wu, Cheng Zhai, Yangfeng Zheng, Xiaoqin Liu, Jizhao Xu, Jizhao Xu, Xinyu Zhu, Yujie Li, Hexiang Xu, Shuai Wang, Yuxiang Cai
Topics & Concepts
Coalbed methaneCoalWettingContact angleAdsorptionX-ray photoelectron spectroscopySurface tensionHydraulic fracturingPorosityMethaneFourier transform infrared spectroscopyChemistryBituminous coalMaterials scienceChemical engineeringMineralogyAnalytical Chemistry (journal)Coal miningComposite materialPetroleum engineeringGeologyEnvironmental chemistryOrganic chemistryThermodynamicsPhysicsEngineeringCoal Properties and UtilizationHydrocarbon exploration and reservoir analysisNMR spectroscopy and applications