Challenges of predicting the methane content of the Vorkuta and Donbass analogous fields
- Postgraduate student G.V. Plekhanov Saint Petersburg State Mining Institute
Abstract
The Vorkutskoye field of the Pechora coal basin has been studied in great detail, except for the problems of methane content. The choice of the field-analogues within the limits of Donbass is limited by the following conditions: coals of stage Ж; collectors - sandstones, tops - argillites. These conditions satisfy Krasnodon and Kamensko-Gundarevsky areas of Donbass. We study the forms of methane: free, sorbed and methane in a metastable state. Are allocated micro deposits in the unloaded massif, in local curves and anticlinal folds of the strata; structural-lithological in the rocks of the coal-bearing strata and zone of cleavage of the Moshcholnaya formation; in the unloaded (exhausted) space. Geological and exploratory methods have low reliability, as a parallel and controlling method of analogy is proposed.