Process for increasing near-wellbore permeability of porous formations
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Claims
3. A method as defined in claim 1, wherein the heat treatment lasts more than 4 hours after the desired temperature is reached.
5. A method as defined in claim 1, wherein inert gas is injected at a pressure higher than the reservoir pressure.
6. A method as defined in claim 1, wherein the downhole heater is an electrical resistance heater, a gas heater, or a high frequency dipole heating device.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: RE35891
Type: Grant
Filed: Oct 3, 1995
Date of Patent: Sep 8, 1998
Assignee: Noranda Inc. (Quebec)
Inventors: Abul K. M. Jamaluddin (Calgary), Taras W. Nazarko (Calgary)
Primary Examiner: William P. Neuder
Law Firm: Keck, Mahin & Cate
Application Number: 8/538,664
Type: Grant
Filed: Oct 3, 1995
Date of Patent: Sep 8, 1998
Assignee: Noranda Inc. (Quebec)
Inventors: Abul K. M. Jamaluddin (Calgary), Taras W. Nazarko (Calgary)
Primary Examiner: William P. Neuder
Law Firm: Keck, Mahin & Cate
Application Number: 8/538,664
Classifications
Current U.S. Class:
Heating, Cooling Or Insulating (166/302);
166/272
International Classification: E21B 4324;
International Classification: E21B 4324;