Three-dimensional while-drilling induced polarization rock precise imaging device and method
A technology for stimulating polarization and imaging devices, which is applied in the direction of electric/magnetic detection for well logging records, can solve problems such as time-consuming, low efficiency, and failure to display detection results, so as to improve work efficiency and solve technical problems. Bottleneck, the effect of improving detection efficiency
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[0054] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0055] figure 1 This is a schematic diagram of the detection method and instrument installation structure, which is mainly composed of the power supply system while drilling, the power supply electrode cable 3 and its rotating device, the positioning device of the drill bit 10, the three-dimensional array measuring electrode system, the controller and the real-time inversion imaging system. The drill bit 10 is connected to the drill rod 8 through a double-sided insulation device, the drill rod 8 is connected to the drill rig 5, the conductive slip ring 7 is fixed on the drill rig bracket 6, one end of the cable 3 is connected to the drill bit 10 through a quick joint, and the other end is connected to the drill rod 8 The spring pressing piece 15 at the tail is connected, and the spring pressing piece 15 is connected with the conductive slip ring 7, and ...
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Abstract
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