钻探工程在气化采煤压裂试验钻孔中的应用

Application of Drilling Engineering in Fracturing Test Borehole of Gasification Coal Mining

摘要:

通过内蒙古通辽地区气化采煤压裂试验钻孔施工实例，全面介绍了岩心钻探设备及技术在大口径钻探工程中的成功应用。并对保证钻孔垂直度、全孔下套管、造穴等特殊工艺和要求所采取的技术措施进行了重点总结。

Abstract:

The paper introduced the successful application of core drilling equipment and technology in large diameter drilling with the construction case of a fracturing test borehole of gasification coal mining in Tongliao region, and su mmed up the construction measures of special technology for ensuring borehole verticality, full casing and local diameter enlarging.