Foreign well drilling rig drilling method, a mud rotary drilling method (rotary drilling, mud holes for wash medium). This is a basic drilling methods. 2, an air rotary drilling method (rotary drilling, compressed air for cleaning the porous medium). This drilling method is mainly dry with a dry or dry areas pipe roof drilling machines, as well as permafrost, severely leaking formations. This method is more efficient footage. Submersible drilling rig proper operation: 1. para 2. 3. Turn off electrical power to walk to work the system power exhaust fan 5. 4. Start the motors start turning mechanism 6. There shall be no abnormal sound rig manufacturers, temperature normal 7 . In normal gear, running without noise 8. carriage swing severe, should be reduced axial compression rig rig _ _ Long service industry machinery supplied by Shandong Machinery Co., Ltd. Dragon. Machinery Co., Ltd. Shandong Long (www.longyejixie.com) strong, credible, in Tai'an, Shandong Engineering Machinery Parts industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead industry machinery and you work long into the brilliant, for a better future!