Flexible gel(FG) for gas-drainage drilling sealing material based on orthogonal design

作     者：Zhai Cheng Xu Jizhao Xiang Xianwei Zhong Chao 

作者机构：State Key Laboratory of Coal Resources and Mine Safety School of Safety Engineering China University of Mining and Technology 

基　　金：supported by the Central Universities Special Funds for Fundamental Research Funds of the China University of Mining and Technology (No. 2013ZDP01) the National Natural Science Foundation of China (Nos. 51274195 and U1361106) the Natural Science Foundation of Jiangsu Province (No. BK2012571) the National Major Scientific Instrument and Equipment Development Project (No. 2013YQ17046309) the Program for New Century Excellent Talents in University (No. NCET-12-0959) the Qing Lan Project 

出 版 物：《International Journal of Mining Science and Technology》 (矿业科学技术学报（英文版）)

年 卷 期：2015年第25卷第6期

页      码：1031-1036页

摘      要：Aiming to resolve the technical problems of lower gas concentrations and a reduced effective drainage period caused by gas-drainage borehole fracture development, a flexible gel(FG) gas-drainage borehole sealing material was developed that adapts to borehole deformation. In this study, based on orthogonal tests, the effect of the ratio of material to water, stirring time and stirring speed on the viscosity, filtration property, water retention and pumpability of the FG were studied. The results indicate that the stirring speed, ratio of material to water and stirring time in turn increased the viscosity and the ratio of material to water, stirring time and stirring speed enhanced the filtration property and water retention. The FG pumps smoothly and achieves the optimal state of high water retention, low fluid loss and low viscosity when the ratio of material to water is 1:10, the stirring speed is 800 r/min, and the stirring time is 12 *** field test results indicate that, after using the FG, the average drainage gas concentration increases by25.9% and 27.6% and the average negative pressure of extraction increases by 2.7 k Pa and 3.5 k Pa compared with expansive cement and polyurethane, respectively.

主 题 词：瓦斯抽放钻孔 密封材料 正交设计 搅拌速度 柔性 搅拌时间 气体浓度 过滤性能 

学科分类：0709[理学-地质学] 0819[工学-海洋工程类] 0808[工学-自动化类] 081903[081903] 08[工学] 0818[工学-交通运输类] 0708[理学-地球物理学类] 0807[工学-电子信息类] 0815[工学-矿业类] 0813[工学-化工与制药类] 0814[工学-地质类] 

核心收录：

D　O　I：10.1016/j.ijmst.2015.09.023

馆 藏 号：203784851...