patent · · added 2 months ago
In situ combustion in carbonaceous strata
Machine transcription of the US2994377 patent scan, 3 pages.
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patent · · added 2 months ago
Machine transcription of the US2994377 patent scan, 3 pages.
patent · · added 2 months ago
A method for producing in situ retorting channels in subterranean shale deposits. Electro-pneumatic treatment is used for lean shale. Additional electro-chemical treatment is requi...
patent · · added 2 months ago
Machine transcription of the US1837519 patent scan, 5 pages.
patent · · added 2 months ago
Machine transcription of the US2029748 patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US2660556 patent scan, 4 pages.
patent · · added 2 months ago
Machine transcription of the US1862952 patent scan, 3 pages.
patent · · added 2 months ago
Machine transcription of the US1379077 patent scan, 3 pages.
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