An oil and gas well contains an incompressible oil in the bottom above which is a height h = 3048 m of methane gas (M.W.CHa 16 g/mol) at a constant temperature of T = 311 K which behaves as an ideal gas whose density is not constant. The gas and oil are static, i.e. not flowing. Methane Oil Well containing oil and methane. The absolute pressure at the top of the well is (PA abs = 6.99 x10 Pa), Compute the absolute pressure Pa_abs at the oil/methane interface. As part of the solution, derive the equation you use to calculate Pg.