E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/38
E21B 43/24 (2006.01)
Patent
CA 1211704
ABSTRACT OF THE DISCLOSURE A system for recovery of oil, particularly viscous oil, from subsurface formations penetrated by highly deviated or horizontal bore holes by circulating therethrough a heated fluid. The heated fluid is circulated through a flexible conduit which is pulled into the bore hole by thrust generating means at the forward end thereof. Power to operate the thrust generating means is also conducted through the conduit. Produced oil is returned via the conduit.
482163
Dismukes Newton B.
Gowling Lafleur Henderson Llp
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