Carmel Energy, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4454917 Thermal acidization and recovery process for recovering viscous petroleumExpiredNov 02, 81Jun 19, 84[E21B]
4398604 Method and apparatus for producing a high pressure thermal vapor streamExpiredApr 13, 81Aug 16, 83[E21B]
4327805 Method for producing viscous hydrocarbonsExpiredSep 18, 79May 04, 82[E21B]
4282929 Method of controlling scale in oil recovery operationsExpiredJul 30, 79Aug 11, 81[E21B]
4244684 Method for controlling corrosion in thermal vapor injection gasesExpiredJun 12, 79Jan 13, 81[F23L, F23D]

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