Method for multi-section blocking of covering rock damage band and synchronous leakage measuring

A damage zone and leakage detection technology, which is applied in the directions of measurement, earthwork drilling, wellbore/well components, etc., can solve the problems of heavy measurement workload, large blindness, and many times of movement, and achieve convenient maintenance and replacement with low workload. The effect of reducing and moving less

Active Publication Date: 2015-12-09
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

[0003] However, due to the complex site conditions, to a certain extent, the numerical simulation cannot reflect the site conditions well, and the blindness of the empirical formula is relatively large. As the mining depth increases, the applicability of the empirical formula is getting worse; and the field The equipment used in the actual measurement can only measure one section at a time, and the measurement length of each s

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  • Method for multi-section blocking of covering rock damage band and synchronous leakage measuring
  • Method for multi-section blocking of covering rock damage band and synchronous leakage measuring
  • Method for multi-section blocking of covering rock damage band and synchronous leakage measuring

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[0049] The present invention will be further clearly and completely described below with reference to specific embodiments.

[0050] The multi-stage plugging synchronous leak detection method of the overlying rock failure zone of the present invention, the adopted system is as follows: figure 1 As shown, it mainly includes a detection system, a plugging system and a supply measurement system.

[0051] The probing system includes test probes 3, combined with figure 2 and image 3 As shown in the figure, the test probe is different from the prior art. It is not a whole, but is formed by connecting several detection units in sequence. In this embodiment, three detection units are used as an example to illustrate. It is the front detection unit 301, the middle is the middle detection unit 302 and the tail detection unit 303 near the outer side, combined with Figure 10-Figure 13 As shown, each detection unit includes a water inlet pipe 10, a water return pipe 11, a pressure re...

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Abstract

The invention discloses a method for multi-section blocking of overburden failure section and synchronous leakage measuring. The operation step includes boring upcoming holes with 30-50m depth in top-board rock stratum in a coal rock lane, installing a detection system and sending the detection system to the initial position of the bored holes, enclosing the bored holes with a plugging system, sending a water source with specific pressure to a water inlet pipe through a water flooding operating bench, controlling the gas pressure in a plugging capsule to be slightly higher than the gas pressure and the water pressure in a water returning pipe in a blocking chamber, correcting the water pressure in the water returning pipe, measuring the running water vector parameters, starting an electronic recorder and providing corresponding water source pressure after the water pressure in the water returning pipe is adjusted to a reasonable water pressure scope, recording water flow data and other related data after stabilizing, processing and analyzing collected data to form corresponding running water vector graph of the measuring section, and repeating the above steps to sequentially measure the bored holes. Multi-section and synchronous measuring top-board water guiding cracking section at any angle can be realized.

Description

technical field [0001] The invention belongs to the technical field of measuring the height of a mine water-guiding fissure zone, and in particular relates to a method for synchronous leak detection of multi-segment plugging of an overlying rock failure zone. Background technique [0002] The measurement of the height of mine water-conducting fissures is an important parameter to indicate the occurrence state of coal rocks. When studying mine water control, it is a key basic parameter. Therefore, in order to study the formation of water-conducting channels in mining surrounding rocks, it is necessary to grasp the law of rock movement and determine the height measurement of water-conducting fissure zones. The existing technology In the process, numerical simulation, empirical formula prediction, field measurement and other means are usually used for determination. [0003] However, due to the complex site conditions, to a certain extent, the numerical simulation cannot refle...

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Application Information

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IPC IPC(8): E21B47/10
Inventor 刘伟韬宋文成赵春波刘士亮吕斌张茂鹏张勤申建军霍志超廖尚辉宰慧董文程谢祥祥穆殿瑞
Owner SHANDONG UNIV OF SCI & TECH
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