What is the difference between coalbed gas fracturing and conventional sandstone fracturing
The purpose of coal seam gas fracturing is to expand coal seam cracks, so that the adsorption of methane has been extracted from the channel, most of them use hydraulic sand fracturing, or nitrogen foam fracturing, in order to not destroy the coal seam as a precondition.
Sandstone fracturing is generally oil extraction technology, hydraulic sand carrying, high pressure gas, high temperature water vapor fracturing, and even acid fracturing, polymer fracturing, etc.. Most of them do not take into account the protection sandstone, which is destructive.
