| Patent Number |
Title Of Patent |
Date Issued |
| 7246548 |
Well perforating gun |
July 24, 2007 |
| Embodied herein is a perforating gun wall that withstands short, high energy pulses of an explosion retained within a loading tube with numerous explosive shaped charges. The perforating gun wall includes two or more layers with an impact strength sufficient to maintain the structura |
| 7055421 |
Well perforating gun |
June 6, 2006 |
| A perforating device having a longitudinal axis comprising: a loading tube having an explosive charge; a first layer slidable, non fixedly, and removeably disposed over the loading tube; and at least one outer layer in fixed engagement over the first layer and wherein the outer layer is |
| 6926096 |
Method for using a well perforating gun |
August 9, 2005 |
| The invention relates to a method to use a perforating gun in oil and natural gas wells, comprising: a perforating gun with a loading tube and explosive charge; the gun comprises: a first layer disposed over the loading tube and at least one outer layer in engagement over the first l |
| 6865792 |
Method for making a well perforating gun |
March 15, 2005 |
| The invention relates to a method to make a perforating gun for use in oil and natural gas wells comprising the steps of: obtaining a length of a first tube; cutting scallop holes into the first tube forming an outer layer; placing the outer layer in a holder; cutting a second tube to th |