E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/138 (2006.01) B09B 1/00 (2006.01) E02D 31/00 (2006.01) E21B 43/241 (2006.01)
Patent
CA 2662615
A method of permeating and infusing a formation around the borehole with wax by a method of permeating and infusing a formation around a borehole with wax by heating a formation surrounding a borehole, pumping molten wax into the borehole, and allowing the molten wax to permeate into the formation. Also, a method of permeating and infusing a formation around a borehole with wax by drilling a plurality of closely-spaced boreholes along a subterranean boundary, pumping molten wax into the boreholes, and allowing the molten wax to permeate into a formation surrounding the boreholes thereby forming a hydraulic barrier along said boundary is described. Additionally, a method of forming subterranean barriers by cutting a pathway between adjacent boreholes with an abrasive cable saw, circulating molten wax through the pathway to form a hydraulic barrier; and allowing the molten wax to permeate into a formation surrounding the pathway and the pathway is described.
L'invention concerne un procédé permettant l'imprégnation et l'infusion d'une formation autour d'un forage avec de la cire, comprenant le chauffage de la formation entourant le forage, le pompage de la cire fondue dans le forage, ce qui permet l'imprégnation de la cire fondue dans le forage. L'invention concerne un procédé permettant l'imprégnation et l'infusion d'une formation située autour d'un forage avec de la cire, comprenant le forage d'une pluralité de forages peu espacés le long d'une limite souterraine, le pompage de la cire fondue dans les forages, et l'imprégnation de la cire fondue dans une formation environnant les forages, ce qui forme ainsi une barrière hydraulique le long de ladite limite. L'invention concerne, en outre, un procédé de formation de barrières souterraines, comprenant la coupe d'un passage entre des forages adjacents au moyen d'une scie à câble abrasif, l'envoi de la cire fondue dans le passage, pour former une barrière hydraulique; et l'imprégnation de la cire fondue dans une formation entourant le passage, ainsi que le passage.
Carter Ernest E. Jr.
Finlayson & Singlehurst
LandOfFree
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