Study on the Mechanism of Nanoemulsion Removal of Water Locking Damage and Compatibility of Working Fluids in Tight Sandstone Reservoirs
Jie Wang, Yafei Li, Fujian Zhou, Erdong Yao, Le Zhang, Hong Yang
Abstract
≤ 1.0 D, the effect of changing the reservoir wettability to prevent the "water locking damage" is reduced. At the same time, the nanoemulsion has good compatibility with different types of fracturing fluid and is beneficial for improving the flowback rate.
Topics & Concepts
ImbibitionWettingIlliteHydraulic fracturingKaolinitePetroleum engineeringPermeability (electromagnetism)Clay mineralsSurface tensionAdsorptionFracturing fluidWater injection (oil production)GeologyMaterials scienceMineralogyComposite materialChemistryQuantum mechanicsGerminationPhysicsBiochemistryOrganic chemistryMembraneBotanyBiologyHydraulic Fracturing and Reservoir AnalysisHydrocarbon exploration and reservoir analysisEnhanced Oil Recovery Techniques