specialist : drilling fluid

subject : stuck pipe

please solve it quickly

example: depth 12,800 feet hole size 8.5 inch 800 feet drill collars o.d. 6.25" i.d. 2.25. stuck below 12100 feet so we want to cover entire drill collar interval. we want to leav enough soak in the pipe that we can move 5 of a barrel every 30 min for 10 hours pump out put is.13 bbls/strokes surface lines hold 5 barrels soak solution weighs 7.2 ppg and mud weight 14 ppg pump pressure while circulating 14 ppg at 40 spm is 1200 psi pressure drop inside pipe is 30 psi per 1000 feet, while in drill collars is 36 psi per 1000 feet. find. barrels of soak needed pump strokes required to spot the leading edge of the pipe-lax soak solution at the top of the collars. maximum pump pressure while moving soak solution down drill string at 40 spm