E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/21
E21B 43/263 (2006.01) F42D 3/04 (2006.01)
Patent
CA 1176973
PROCESS FOR ENGLARGEMENT OF ROCK FISSURES ABSTRACT OF THE DISCLOSURE A process for enlarging or widening rock fissures in order to facilitate the recovery of deposits, such as oil or gas, comprising the emplacement of an aluminothermic mixture of aluminum and ferric oxide, and its subsequent ignition. Prefer- ably, slag-forming products are also placed into the cavity, so as to prevent closure of the fissures after termination of the combustion process.
387402
John Peter W.
John Peter W.
Macrae & Co.
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