E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/00 (2006.01) E21B 43/11 (2006.01)
Patent
CA 2626421
A device for perforating and fracturing a formation in a single trip includes shaped charges and a volume of a gas generator. When activated by detonation of the shaped charges, the gas generator forms a high-pressure gas, which includes steam, that expands to stress and fracture the formation. Suitable gas generating materials include hydrates and hydroxides. Other materials that can be employed with the gas generator include oxidizers and material such as metals that increase the available heat for the activation of the gas generator.
Un dispositif de perforation et de fracturation d'une formation en un seul voyage se compose de charges creuses et d'un volume de générateur à gaz. Lorsque le générateur de gaz est activé par la détonation de charges creuses, il forme un gaz haute pression comprenant de la vapeur qui s'étend pour mettre sous tension et pour fracturer la formation. Les substances de production de gaz convenable contiennent des hydrates et des hydroxydes. D'autres substances pouvant être utilisées avec le générateur de gaz renferment des oxydants et un matériau tel que des métaux qui augmentent la chaleur disponible permettant d'activer le générateur de gaz.
Haney Joseph
Pratt Dan
Cassan Maclean
Owen Oil Tools Lp
LandOfFree
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