CASING CONVEYED WELL PERFORATING APPARATUS AND METHOD
摘要
<p>An apparatus for perforating a casing (102, 202) having coaxial outside and inside surfaces comprising: a frame (103, 203) in which at least one explosive charge (49, 89) is mounted such that said at least one charge is located proximative the outer surface of said casing; at least one detonation device (107) in communication with said at least one charge; and a means (112) to control said detonation device.</p>
