| Title of Invention | AN IMPROVED METHOD OF OBTAINING METYHANE FROM A SUBTERRANEAN COAL FORMATION. |
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| Abstract | A METHOD FOR INCREASING THE PRODUCTION OF METHANE FROM A SUBTERRANEAN COAL FORMATION BY CHEMICALLY STIMULATING THE FORMATION OF CLEATS IN THE FORMATION TO INCREASE THE RATE OF METHANE PRODUCTION FROM THE FORMATION BY INJECTING AN AQUEOUS OXIDANT SOLUTION INTO THE FORMATION TO STIMULATE THE FORMATION OF CLEATS IN THE FORMATION; AND THEREAFTER PRODUCING METHANE FROM THE FORMATION AT AN INCREASED RATE. SUITABLE OXIDANTS INCLUDE CHLORINE DIOXIDE, METALLIC SALTS OF PERCHLORATE, CHLORATE, PERSULFATE, PERBORATE, PERCARBONATE, PERMANGANATE, NITRATE AND COMBINATIONS THEREOF. |
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1688-CAL-1998-(10-05-2012)-CORRESPONDENCE.pdf
1688-CAL-1998-(10-05-2012)-OTHERS.pdf
1688-CAL-1998-(15-02-2012)-CORRESPONDENCE.pdf
1688-CAL-1998-(15-02-2012)-OTHERS.pdf
1688-CAL-1998-CORRESPONDENCE 1.1.pdf
1688-CAL-1998-CORRESPONDENCE-1.2.pdf
1688-CAL-1998-CORRESPONDENCE.pdf
| Patent Number | 201717 | ||||||||||||
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| Indian Patent Application Number | 1688/CAL/1998 | ||||||||||||
| PG Journal Number | 30/2009 | ||||||||||||
| Publication Date | 24-Jul-2009 | ||||||||||||
| Grant Date | |||||||||||||
| Date of Filing | 21-Sep-1998 | ||||||||||||
| Name of Patentee | VASTAR RESOURCES, INC., A CORPORATION ORGANISED AND EXISTING UNDER THE LAWS OF THE STATE OF DELAWARE | ||||||||||||
| Applicant Address | 15375, MEMORIAL DRIVE, HOUSTON, TEXAS 77079, UNITED STATES OF AMERICA. | ||||||||||||
Inventors:
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| PCT International Classification Number | E21B 43/00, 43/25. | ||||||||||||
| PCT International Application Number | N/A | ||||||||||||
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PCT Conventions:
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