Research Article

Application of Treatment for Deep Hole Drilling Debris in Gas-Rich Soft Coal Seams

Table 2

Borehole construction settings and parameters.

Drilling numberDrilling depth (m)Elevation of the coal seam (m)The coal seam thickness (m)Dip (°)

16#-62119.61.487
16#-52420.41.695
12#-67472.21.887
12#-57669.31.795