A method for completing an oil and gas well completion is provided. The perforators (10, 11) may be selected from any known or commonly used perforators and are typically deployed in a perforation gun. The perforators are aligned such that the cutting jets (12, 13) and their associated shockwaves converge...http://www.google.es/patents/US7913758?utm_source=gb-gplus-sharePatente US7913758 - Oil well perforators and method of use
