Some fields in India's North Cambay basin have oil derived from nearby lignite seams

Questioning coal as a possible oil source can no longer be taken seriously.It is well known that coal generates natural gas called coalbed methane, or CBM. In the US, coalbed methane is produced in many coal basins and contributes a growing share of the country's natural gas production.Strangely, pyrolysis experiments on organic matter have all failed to reproduce the composition of natural gas, typically 91% methane. But natural gas can be generated in the laboratory catalytically by transition-metals often found in sedimentary rocks.Snowdon1 questioned this catalysis theory. He argued with the help of data from drill cuttings that gas generated in shales and coals resembles natural ...

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