In one configuration, the present invention is directed to a method and system for extracting hydrocarbons from a hydrocarbon-containing deposit. One or more underground excavations designed to at least partially cave in are used to increase the permeability of the deposit.
申请公布号
CA2614569(C)
申请公布日期
2012.07.10
申请号
CA20062614569
申请日期
2006.07.18
申请人
OIL SANDS UNDERGROUND MINING, INC.
发明人
WATSON, JOHN DAVID;KOBLER, MICHAEL HELMUT;BROCK, DANA
