Synchronous leak detection method for multi-stage plugging in overlying strata failure zone
A technology of damage zone and leak detection, applied in surveying, earth-moving, wellbore/well components, etc., can solve the problems of heavy surveying workload, blindness, and many moving times, etc., to achieve convenient maintenance and replacement, workload The effect of reducing and moving less
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[0049] The present invention will be further clearly and completely described below in conjunction with specific embodiments.
[0050] The multi-stage plugging and synchronous leakage detection method of the overlying rock failure zone of the present invention uses a system such as figure 1 As shown, it mainly includes detection system, blocking system and supply measurement system.
[0051] The probing system includes test probes 3, combined with figure 2 and image 3 As shown, the test probe is different from the prior art. It is not a whole, but is formed by connecting several detection units in sequence. It is the front detection unit 301, the middle one is the middle detection unit 302 and the tail detection unit 303 close to the outside, combined Figure 10-Figure 13 As shown, each detection unit includes a water inlet pipe 10, a return pipe 11, a pressure regulating valve 31, and an electronic flowmeter 20. The water inlet pipe and the return pipe are arranged in pa...
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