The present invention relates to an in situ staged steam extraction method for removing petroleum products from a heavy oil or bitumen reservoir from subterranean locations. Specifically, each injection stage comprises a different steam composition. A steam composition may consist essentially of steam or may comprise one or more enhanced oil recovery agent.
申请公布号
CA2942512(A1)
申请公布日期
2015.09.24
申请号
CA20152942512
申请日期
2015.03.18
申请人
DOW GLOBAL TECHNOLOGIES LLC
发明人
SINGH, HARPREET;AKIYA, NAOKO;CHEN, WU;GILLIS, PAUL A.;HASSAN, ABU MOKHTARUL;KUVADIA, ZUBIN B.;MUKHERJEE, BIPLAB;PAZMINO, JORGE H.;TALAY, DEFNE KAYRAK