Process for the extraction of liquid and solid bitumens from underground deposits

Claim 1

A PROCESS FOR THE EXTENSIVE RECOVERY OF LIQUID AND SOLID BITUMENS FROM UNDERGROUND DEPOSITS COMPRISING THE FOLLOWING STEPS: (A) LOCATING AT LEAST ONE RELATIVELY DEEP FLOODING BORING, AT LEAST ONE RELATIVELY SHALLOW PRODUCTION BORING, AT LEAST ONE TREATMENT BORING AND AT LEAST ONE LEADING BORING, SAID TREATMENT AND LEADING BORINGS LOACTED BETWEEN SAID FLOODING BORING AND SAID PRODUCTION BORING AND SPACED A PREDETERMINED DIRECTION APART FROM ONE ANOTHER IN A STRATUM OF AN UNDERGROUND DEPOSIT OF BITUMENS; (B) INRODUCING INTO SAID TREATMENT BORING AN ACTIVATED GAS OF COMBUSTION COMPRISING OXYGEN AND HOT MODIFIED GAS OF COMBUSTION COMPRISING STEAM AND CARBON DIOXIDE; (C) DEVELOPING A HOT REACTION ZONE BETWEEN AT LEAST ONE OF SAID TREATMENT BORINGS AND AT LEAST ONE OF SAID LEADING BORINGS HAVING A GIVEN TEMPERATURE RANGE BY THE SENSIBLE HEAT OF SAID GAS OF COMBUSTION AND THE REACTION OF A PORTION OF AID BITUMENS AND OXYGEN AND PRODUCING ADDITIONAL MODIFIED GASES OF COMBUSTION; (D) CONDUCTING FURTHER INTO SAID STRATUM AHEAD OF SAID REACTION ZONE SAID ADDITIONAL MODIFIED GASES OF COMBUSTION FROM (C), WHERE THEY CONDENSE AND DISSOLVE TO FORM A LIQUID PHASE WITH THE CONTENTS OF THE STRATUM; AND (E) ADVANCING SAID REACTION ZONE AND DISPLACING AHEAD OF IT THE STRATUM CONTENTS WITH THE CONDENSED AND DISSOLVED GAS OF COMBUSTION IN THE DIRECTION OF THE PRODUCTION BORINGBY THE INTRODUCTION OF WATER THROUGH SAID FLOODING BORING, AND REMOVING THE ADVANCED STRATUM CONTENTS THROUGH THE PRODUCTION BORING.