orogenic welt

Its feature of strong adsorbability and very good growth of fissure brings 2 problems to fracturing job,the first is the damage of coal reservoir brought by fracturing,and the second is fracture forming and extending effectively.

而煤岩由于强吸附特征和天然裂缝系统异常发育的储层特点,从压裂的角度而言将带来两大难题:一是煤储层与水力裂缝本身的伤害问题;二是裂缝的有效造缝与延伸的难题。