Biogeochemical Controls on Methane Generation: A Review on Indian Coal Resources

Coal bed methane (CBM) extraction has astounding effects on the global energy budget. Since earliest discoveries of CBM, this natural gas form witnessed ever-increasing demands from core sectors economy. CBM is an unconventional source occurring naturally within coal beds. The multiphase generation during evolution commences with microbial diagenesis sedimentary organic matter peatification, followed by early to mature thermogenic kerogen decomposition and post-coalification occurrences. Indeed, origin and, moreover, its economically valuable retention seams a function various parameters. Several noticeable knowledge gaps include controls make-up physico-chemical position genetic link through fossil molecular stable isotopic integration parent evolution. Therefore, manuscript reviews CBM; influences properties micropetrographic entities storage; isotope compositions in India world’s major reservoirs. Moreover, analyses outlooks future development trends exploration, production, application coalbed are also addressed. Finally, as fifth largest proven reserves, brief review recent developments provides plausible scope for microbially enhanced production these basins.