Gas geological orifice detection while drilling physical simulation device

• Main Authors: HUANG YU, LONG QINGMING, ZHONG CHUAN, ZHOU PENG, DENG GANBO, CAI GUOLIANG, YAO BIN, WANG GUANGJIN, PENG TAO, ZHANG YUQING, ZOU YUNLONG, WEN GUANGCAI, SUN RUI, DAI YUANJIE
• Format: Patent
• Language: Chinese; English
• Published: 20.10.2023
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention discloses a physical simulation device for detection while drilling of a gas geological orifice. The physical simulation device comprises a coal body simulation device, an inflation adsorption device, a drilling device and an orifice parameter measurement device, the inflation adsorption device is connected with the coal body simulation device through an inflation pipeline; the drilling device is connected with the gas-slag separation device through the propulsion drilling machine, and the gas-slag separation device is connected with the coal body simulation device; the drilling device pushes a drilling machine to move on a guide rail to simulate construction drilling of a coal body; the gas-slag separation device is used for separating drilling cuttings gushing out from drilling holes and desorbed gas; the gas-slag separation device is connected with a vacuum pump through an exhaust pipeline; and the orifice parameter measuring device comprises a gas sensor and a pipeline comprehensive paramete