VOLUMETRIC SPECIFIC EXPERIMENT STUDY OF COALBED METHANE HYDRATE FORMATION

摘要

The new methods of using hydrate technology to process and storage coalbed methane is proposed to aim at abundant gas drainage discharge directly. It established temperature and pressure condition of the hydrate formation according to the gas composition. Through volumetric specific experiment the law of the temperature-pressure condition and the CH_4 conversion rate change was studied at the initial pressure of 9.5 MPa in the hydrate formation processes. The experimental results showed that the hydration react carries on should maintain the determinate reaction driving force and CH_4 can be effectively extracted in the reaction process. But if get the highly effective production it should be carried on the multi-stage separation technology of hydrate.