The amount of coal-seam gas is mainly controlled by the depositional environment, coal evolution degree, burial depth, hydrologic condition and structural conditions.
煤层含气量主要受控于煤岩的沉积环境、煤演化程度、埋藏深度、水文条件与构造条件。
2
The general tectonic framework controls the form of the depression and the distribution of the depositional systems in the accommodation, which is the fundamental reservoir formation condition.