Abstract:

The results of comprehensive analysis exploration and exploitation documents, combining modeling methods and methods of calculating manufacturing statistics, help us to conclude the following conclusions: In theory, the exploration network implemented in some areas has enough quality storage facilities and meets the requirements for mining design. However, in reality, many reserves are calculated at levels 111 and 121, but when developing mining investment projects, a lot of mining explorations are required 2 - 3 times. The main reason is that recent exploration reports often ignore the basic principle of establishing the geological structure of the mine and coal seam identification, which is not based on the geological structure space in each level IV block but is concentrated only in the exploration area. Therefore, when connecting mine structures and coal seam outcrop between adjacent areas, they often do not match and are mostly not connected to each other, which significantly affects the reliability of exploration work, calculating reserves, and mining. To improve the efficiency of exploration and exploitation of coal in the Northeast basin, we must first invest in research into the division of relatively homogeneous geological blocks of high level (levels V, VI). Proceed to identify the set of seams and coal seams in each block of the level IV structure. Establish mine groups and exploration networks in accordance with actual documents. There is a need to re-evaluate the reliability of exploration work and calculate reserves for each mine and the entire coal basin.