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Inventor: Tiernan; John P.
Address: Newnan, GA
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7487827 |
Propellant cartridge with restrictor plugs for fracturing wells |
February 10, 2009 |
| An apparatus for fracturing a well has a propellant charge held by a carrier, and upper and lower restrictor plugs secured to the carrier above and below the propellant charge, respectively. The restrictor plugs allow a restricted flow of combustion gases generated by the propellant |
| 7409911 |
Propellant for fracturing wells |
August 12, 2008 |
| An apparatus for fracturing wells employs a propellant charge and an ignition cord wrapped around the outer surface of the propellant charge to rapidly ignite the outer surface of the propellant charge. |
| 7073589 |
System for fracturing wells using supplemental longer-burning propellants |
July 11, 2006 |
| A system for fracturing wells uses a primary propellant charge to initially produce pressures within the well in excess of the maximum fracture extension pressure of the surrounding formation, but below that which would cause damage to the well. A supplemental propellant charge burns |
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