F - Mech Eng,Light,Heat,Weapons – 24 – J
Patent
F - Mech Eng,Light,Heat,Weapons
24
J
F24J 3/08 (2006.01) E21B 17/00 (2006.01)
Patent
CA 2679905
A geothermal system in deep, hot, dry rock has closed loop circulation, in which the water and steam circulating in the system are protected from any direct contact with the base rock. The system has a single L-shaped bore with a casing that lines the wellbore and has a sealed bottom end. A tubing within the casing has an open bottom end. Water or other liquid or gas is injected under pressure into the casing in the space between the casing and the tubing and is heated by the deep hot rock strata, creating heated liquid or gas which flows into the tubing through its open bottom end and is returned to the surface for use for heating, or in a power plant, or other applications. In a reverse configuration, the working fluid is injected into the tubing and is returned via the space between the casing and the tubing.
Rogers William H.
Smith Michael J.
7238703 Canada Inc.
Oyen Wiggs Green & Mutala Llp
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