Question on physics __

Why liquid move upwards? For me it is counterintuitive. Is it capillary? Is it pressure from the bottom? What causes pressure?

for the purposes of the exercise, it is assumed that “water” is driving the fluid upwards. In the rules it states that you’re encouraged to come up with your own rules. So I would think of hydrocarbon:water interaction but also hydrocarbon:brine interaction. You could dive deep on the literature and come up with a whole host of fluid interaction surface types

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