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对我国煤储层的等温吸附资料进行了全面系统分析和总结 ,得出了干燥煤样等温吸附曲线校正为储层温度和平衡水条件的回归经验公式。在此基础上 ,探讨了我国各时代、各煤类等温吸附常数 a、b值的地域和层域分布规律及其对煤层气地面开发的影响。
The isothermal adsorption data of coal reservoirs in China are systematically analyzed and summarized. The regression empirical formula for correcting the isothermal adsorption curves of dry coal samples to reservoir temperature and equilibrium water conditions is obtained. On this basis, the distribution rules of the isothermal adsorption constants a, b of each coal seam in different periods and regions in China are discussed, and their influences on the coalbed methane ground development are discussed.