BR7403513D0
(en )
1974-11-19
PROCESS FOR THE RECOVERY OF OIL FROM UNDERGROUND FORMATIONS CONTAINING VISCOUS OIL
BR7507694A
(en )
1976-08-10
PROCESS FOR PETROLEUM RECOVERY FROM A PERMANIBLE UNDERGROUND FORMATION CONTAINING PETROLEUM
BR7410063A
(en )
1976-05-25
PROCESS FOR THE RECOVERY OF OIL FROM AN UNDERGROUND FORMATION
BR7603304A
(en )
1977-05-24
PERFECT PROCESS FOR THE RECOVERY OF VISCOSE HYDROCARBONS FROM AN UNDERGROUND FORMATION
BR7408494D0
(en )
1975-09-16
PROCESS TO RECOVER VISCOSE OIL INCLUDING BITUME FROM AN UNDERGROUND DEPOSIT
BR7100920D0
(en )
1973-03-13
PROCESS FOR IN-SITU RECOVERY OF CARBONACEOUS CONTENTS OF UNDERGROUND DEPOSITS
BR7703328A
(en )
1978-11-21
PROCESS TO ENHANCE GEOLOGICAL FORMATIONS
BR7902372A
(en )
1979-10-23
PROCESS FOR FRACTURING UNDERGROUND FORMATIONS
BR7707988A
(en )
1978-07-11
PROCESS TO RECOVER PETROLEUM FROM A PERMANIBLE UNDERGROUND FORMATION, CONTAINING PETROLEUM
BR7403514D0
(en )
1974-11-19
PROCESS FOR RECOVERING PETROLEUM FROM AN UNDERGROUND FORMATION CONTAINING PETROLEUM
BR7501476A
(en )
1975-12-23
PROCESS AND APPARATUS FOR UNDERGROUND MINING OF MINERAL DEPOSITS
BR7804877A
(en )
1979-07-10
PROCESS FOR PETROLEUM RECOVERY FROM A PERMANIBLE UNDERGROUND FORMATION CONTAINING PETROLEUM
BR7505749A
(en )
1976-08-03
PROCESS FOR RECOVERING PETROLEUM FROM AN UNDERGROUND FORMATION CONTAINING PETROLEUM
BR7503869A
(en )
1976-07-06
PROCESS FOR THE RECOVERY OF HEAVY VISCOSE OILS AND BITUME FROM AN UNDERGROUND FORMATION WITH HYDROCARBONS
BR7501674A
(en )
1975-12-16
PROCESS FOR THE RECOVERY OF ALUMINUM HYDROXIDE AND OTHER VALUABLE MINING CONSTITUENTS CONTAINING ALUNITA
BR7410404D0
(en )
1975-09-16
PROCESS FOR PETROLEUM RECOVERY FROM AN UNDERGROUND POROUS FORMATION CONTAINING PETROLEUM
BR7503913A
(en )
1976-07-06
PROCESS FOR BENEFITING TITANIFER MINES
IL47483A0
(en )
1975-08-31
Process for the recovery of organic values from oil shale
BR7503883A
(en )
1976-07-06
PROCESS FOR HYDROCARBON RECOVERY FROM AN UNDERGROUND FORMATION HYDROCARBON BEARING
BR7704274A
(en )
1978-04-11
PROCESS FOR RECOVERING PETROLEUM FROM AN UNDERGROUND FORMATION CONTAINING PETROLEUM
BR7304674D0
(en )
1974-08-15
NEA OIL CARRIER PROCESS FOR OIL RECOVERY FROM A UNDERGROUND FORMATION
BR7500678A
(en )
1975-11-11
PROCESS TO RECOVER HYDROCARBONS FROM AN UNDERGROUND FORMATION CONTAINING HYDROCARBONS
BR7505252A
(en )
1976-08-03
PROCESS TO RECOVER ASPHALT OIL FROM AN UNDERGROUND FORMATION
BR7503875A
(en )
1976-07-06
PROCESS FOR RECOVERY OF VISCOSE OIL FROM UNDERGROUND FORMATIONS CONTAINING CISCUS OIL
BR7505251A
(en )
1976-08-03
PROCESS FOR PETROLEUM RECOVERY FROM UNDERGROUND FORMATIONS CONTAINING PETROLEUM