Blockage of coal seams by fracturing fluids (FFs) and swelling of coal matrix owing to FF adsorption are discussed and considered to be the basic factors for coalbed permeability damage.
讨论了伤害煤层渗透率的两大因素：压裂液堵塞煤层割理；煤基质吸附压裂液而膨胀。
An effective stress calculation formula for coal containing gas is proposed coupling with the swelling stress of gas adsorption in the effective stress principle for porous media.
首先在多孔介质的有效应力原理中引入瓦斯吸附的膨胀应力，推导出了适用于含瓦斯煤岩的有效应力计算公式。
Simulations based on hypothetical cases were conducted to evaluate the impact of the coal swelling on CO2 injectivity and methane recovery.
本文同时使用了储量模拟软件评估煤的膨胀对二氧化碳注入和煤层气生产速度的影响。
Coal swelling is one of the major factors causing viscosity change during direct coal liquefaction.
溶胀是煤直接液化升温过程中粘度发生变化的主要原因之一。
Abstract: With the coal mine excavated deeper gradually, strain softening, swelling fracture and rheology of the rock appear around deep and high stress underground roadways.
摘要随着煤矿开采的逐渐加深，深部高应力巷道围岩表现出典型的应变软化、破裂膨胀及流变特征。
Our results indicated that FA-Na (Sodium fulvate) from Bijing Zhai-tang efflorescent coal inhibited the carrageenin-induced paw swelling of normal and adrenalectomized rats.
北京风化煤黄腐酸钠能抑制正常及双侧去肾上腺大鼠的角叉菜胶性足蹠肿胀。
Our results indicated that FA-Na (Sodium fulvate) from Bijing Zhai-tang efflorescent coal inhibited the carrageenin-induced paw swelling of normal and adrenalectomized rats.
北京风化煤黄腐酸钠能抑制正常及双侧去肾上腺大鼠的角叉菜胶性足蹠肿胀。
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