Dictionary:Activity

ADVERTISEMENT
From SEG Wiki
Jump to: navigation, search
Other languages:
English • ‎español


The relative tendency of a substance to enter into a reaction. When shales adjacent to a reservoir act as perfect cationic membranes and the permeable bed is clean, the electrochemical SP (q.v.) can be found from the activities of the formation water and mud filtrate, which depend on the concentrations of dissolved salts.