Fist(noun) the hand with the fingers doubled into the palm; the closed hand, especially as clinched tightly for the purpose of striking a blow. Fist(noun) the talons of a bird of prey. Fist(noun) the index mark [/], used to direct special attention to the passage which follows. Fist(verb) to strike with the fist.
A good used workover rig (single) including rig tank, rig pump, doghouse, and rig tongs can be had for around $1 Million. A good new work over rig (single) including all the aforementioned stuff is ~$3 Million. I don't know how much more a double or triple would be, but I'm guessing in that same ballpark. A new drilling rig is in the $10 Million range, although you can get used ones for far cheaper.
Overall, oil prices have fallen by around 17% so far this year. In a monthly report, the EIA said it expects WTI prices to average $49.23 a barrel this year, down from a previous forecast of $49.62. It also reduced its forecast to $53.57 for 2016, versus $54.42. For Brent, its 2015 forecast was at $54.07, down from the previous forecast of $54.40.