Patent ID: 7621321

Claim:
A casing removal system, comprising: a) a pair of drill supports; b) a generally circular clamp, the clamp having a pair of half circular sections body, the clamp being mountable around a joint of casing which has been installed in a well bore; c) a first drill movably mounted on the first drill support, the first drill comprising a first drill bit having a longitudinal axis, the first drill bit being rotatably connected to the first drill; d) a second drill movably mounted on the second drill support, the second drill comprising a second drill bit having a longitudinal axis, the second drill bit being rotatably connected to the second drill; e) wherein, when the clamp is mounted on the joint of casing, the clamp holds the drill supports and the longitudinal axis of the first drill bit is substantially aligned with the longitudinal axis of the second drill bit; and f) wherein, said first and second half circular sections are detachably connected.