Method for forming an opening in a pipe shaft subterráneo pit method for severing tubing in a well subterráneo apparatus for use in cutting of a wall in a well subterráneo andForming an opening from a

摘要

Apparatus and methods of using the apparatus are disclosed for performing cuts in a subterranean well. The apparatus utilizes linear shaped charges (34) arranged in an endless pattern which are used to cut a pattern in a downhole structure. The charges (34) are discharged to perform the cutting operation. IMAGE