The following issues should be paid attention to when drilling with a pneumatic water well drilling rig:(1) blow holeThe test shows that when the air drill is drilling normally, observe the discharge of rock powder and cuttings at the hole and the footage. When the powder discharge and footage are normal, there is no need to lift the drilling tool. If only the footage is drilled but the powder discharge is abnormal, the drilling tool should be lifted once after a certain footage has been drilled (the impactor does not work at this time) to generate a large upward return wind speed.
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This document provides an overview of drilling rig systems for onshore rigs, including the rig site layout and dimensions, substructure, derrick, drawworks, crown block, travelling block, and hook. It describes the main functions and types of each system. The document also discusses inspection procedures and load calculations for ensuring safety during drilling operations.
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