Device and method for on-line real-time monitoring of downhole pipe string corrosion
A technology for downhole pipe strings and corrosive environments, which is applied to measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc. It can solve problems such as low corrosion resolution, inapplicability of rapid corrosion monitoring, and reduced accuracy of micro-resistance measurement. Strong anti-interference ability, ensuring safety and economical effect
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[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0040] see figure 1 , the downhole corrosion monitoring device constructed in the embodiment of the present invention includes an online downhole corrosion monitoring device, as shown in the attached figure 1 , including waveform generator 1, real-time clock 2, data memory 3, constant potential circuit 4, microcontroller 5, communication interface 6, multi-channel A / D converter 7, bidirectional constant current source 8, power regulator 9, wellhead power supply 10 and composite monitoring probe 11.
[0041] Among them, waveform generator 1, real-time clock 2, data memory 3, constant potential cir...
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