3.4. Wettability alteration Contact angle was measured to evaluate the wettability of the rock, and to evaluate the wettability alteration by the semipermeable membrane. A Drop Projection Instrument was used to measure contact angle.
3.4. Wettability alterationContact angle was measured to evaluate the wettability of therock, and to evaluate the wettability alteration by the semipermeable membrane. A Drop Projection Instrument was used tomeasure contact angle.