I have a question. If i have an object let say a circular cylinder buried underneath the earth surface with X as its depth. I'm looking for the total work to plumb the oil or water that is in the cylinder to the surface if the cylinder stand virtically and has water or oil in it(Y as its depth of water or oil) then the intergration to find work is from 0 to Y. Right?? and if the cylinder stand horizontally still with oild or water in it then the intergration is from the top part of th cylinder (the diameter)to the surface(diameter+ X), right?? and what if their is no oil in the cylinder? what would the intergration be?