3.contact cement Cement composition is a little and generally less than 5%.Because the cements only distribute the contacted surface of sand and is point or line contact,the cementation intension is poor
3. contact cement Cement composition is a little and generally less than 5%. Because the cements only distribute the contacted surface of sand and is point or line contact, the cementation intension is poor
油藏物理学一傭层岩石的敏感桂研究 example Contact cementΦ：23~30%，K:(50~1000)X10-3um2 Pore cementΦ：18~25%，K:(1~150)X10-3m2 Basal cementΦ：8~17%，K<1X10-3um2
油藏物理学——储层岩石的敏感性研究 Contact cement Φ：23~30%，K：(50~1000)×10-3μm2 Pore cement Φ ：18~25%，K：(1~150)×10-3μm2 Basal cement Φ ：8~17%， K < 1×10-3μm2 example
油藏物理学一傭层岩石的敏感桂研究 Sensitivity of reservoir velocity sensitivity; water sensitivity-salt sensitivity; acid sensitivity-alkali sensitivity; heat sensitivity-cold sensitivity; pressure sensitivity-temperature
油藏物理学——储层岩石的敏感性研究 Sensitivity of reservoir velocity sensitivity； water sensitivity——salt sensitivity； acid sensitivity——alkali sensitivity； heat sensitivity——cold sensitivity； pressure sensitivity——temperature
velocity sensitivity higher injection velocity result that fine grain motion and rock permeability decrease greatly. Example:kaolinite,isinglass et
velocity sensitivity higher injection velocity result that fine grain motion and rock permeability decrease greatly. Example: kaolinite, isinglass et
water sensitivity low salinity water result that clay swell and rock permeability decrease. Example:montmorillonite,smectite
water sensitivity low salinity water result that clay swell and rock permeability decrease. Example: montmorillonite, smectite