Betekenis van:
coal seam

Voorbeeldzinnen

1. International system for the codification of medium-grade and high-grade coal (1998), International classification of coal in seam (1998) and International system of codification for low-grade coal (1999).
2. It includes both “non-associated” gas originating from fields producing hydrocarbons only in gaseous form, and “associated” gas produced in association with crude oil as well as methane recovered from coal mines (colliery gas) or from coal seams (coal seam gas).
3. It includes both ‘non-associated’ gas originating from fields producing hydrocarbons only in gaseous form, and ‘associated’ gas produced in association with crude oil as well as methane recovered from coal mines (colliery gas) or from coal seams (coal seam gas).