通常所说的钻探设备一般包括:钻机、水泵、动力机、拧管机及钻塔等,前三者还被钻探工人称之为三大件,是进行钻探工作必不可少的重要设备。管材则是指的钻杆、岩芯管、套管及钻铤等即是所谓的钻具。此外,就是各种钻探工具。煤田小口径钻探不同于一般煤田钻探(常规钻探),因为它的口径小,钻孔深,对使 Generally speaking, the drilling equipment generally includes drilling machines, water pumps, power machines, pipe jacking machines and drilling rigs. The first three are also called the three major pieces by the drilling workers and are indispensable equipment for drilling. Pipe refers to the drill pipe, core tube, casing and drill collar, which is the so-called drilling tools. In addition, is a variety of drilling tools. Small-bore coalfield drilling is different from the general coalfield drilling (conventional drilling), because of its small caliber, deep drilling, to make