Downhole rock debris extraction system and control method thereof

Downhole rock debris extraction system and control method thereof CN208109786U

Abstract

Disclosed is a downhole rock debris extraction system. The downhole rock debris extraction system comprises a downhole marking module (1), a ground control module (2), and a ground detection and extraction module (3). The downhole marking module and the ground detection and extraction module are electrically connected to the ground control module, respectively; the downhole marking module is provided at an underground excavation drill bit or near the drill bit, and is used for marking mined rock debris by spraying different types of markers in real time during drill bit excavation; the ground detection and extraction module is used for detecting the types of the markers on the rock debris; and the ground control module is used for managing and controlling the downhole marking module to perform marking, and managing and controlling the ground detection and extraction module to determine the types of the markers on the rock debris. Further disclosed is a control method for the downhole rock debris extraction system. The system and method can effectively meet the requirements of high detection ageing and simple and easy operation for downhole rock debris extraction, and can implement the purpose of accurate sampling, low sampling cost and high completed amount.

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