Experimental tank for testing performance of grouting while drilling
A test tank and grouting technology, which is applied in the testing of machines/structural components, measuring devices, material inspection products, etc., can solve the problems of difficult quantitative inspection of grouting effects, etc., and achieve intuitive process monitoring, comprehensive detection, and convenient operation Effect
Inactive Publication Date: 2013-12-18
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology
[0003] The purpose of the present invention is to solve the above-mentioned problem that the quantitative inspection of the grouting effect on the spot is difficult, and to provide a simple structure, convenient control, reliable use, and economical grouting performance testing test tank while drilling
Method used
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Embodiment 1
[0020] Embodiment 1: a kind of while-drilling grouting performance test test groove of the present invention, its structure is as follows figure 1 , 2 shown. The test tank includes a mud pump 1, a grouting tool 2 while drilling, a coal seam 4, a test tank container 5, a wire 6, a sensor, a fixed support plate 7, anchor bolts 8, a circuit board 15 of a detection system and a host computer 9. The test tank container 5 is cylindrical and made of transparent plexiglass material. The simulated drilling loose section coal seam 4 is housed in the test tank container, and the test tank container is fixedly connected with the ground 10 through a fixed support plate 7 and anchor bolts 8; The coal seam is formed into a loose and fragile simulated loose coal seam by artificially bonding crushed coal, and the center of the coal seam 4 has a borehole 3; the grouting tool 2 while drilling and the mud pump 1 are installed on one side of the test tank container 5; The sensor described above ...
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The invention relates to an experimental tank for testing performance of grouting while drilling. The experimental tank comprises an experimental tank container, a coal bed, a lead, sensors, a fixing support plates, foundation bolts, a tool for grouting while drilling, a mud pump and a detection system, wherein the experimental tank container is cylindrical, and is made of a transparent organic glass material; the simulated drilling loose section coal bed is filled in the experimental tank container; the experimental tank container is fixedly connected with the ground through the fixing support plates and the foundation bolts; a borehole is formed in the center of the coal bed; multipath testing sensors are arranged in the coal bed and connected with a circuit board and an upper computer outside the experimental tank container through the lead; the tool for grouting while drilling and the mud pump are arranged on one side of the experimental tank container; and the detection system comprises a signal pickup and conversion circuit, a singlechip controller and the upper computer. The experimental tank has a simple structure, and is used for testing the grouting effect and mud formula performance of equipment for grouting while drilling on site reliably, easily and economically through performance tests in the experimental tank.
Description
technical field [0001] The present invention relates to a grouting-while-drilling performance test tank, in particular to a test for testing the grouting effect of grouting-while-drilling equipment and testing the performance of mud formulations by simulating various drilling conditions in the laboratory groove. Background technique [0002] In the field of drilling engineering, grouting, such as cement slurry, is usually taken when drilling into collapsed formations or drilling holes. After the mud has solidified, drill again. The consolidation time is sometimes as long as tens of hours, which greatly reduces the drilling efficiency. The grouting-while-drilling technology is a technology that injects grout into the stratum while drilling and reinforces the well wall through grouting while drilling when a collapsed stratum is encountered. The reinforcement effect depends on the grouting tool and the drilling fluid used. However, it is very costly and difficult to quantit...
Claims
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IPC IPC(8): G01M99/00G01N33/38
Inventor 王院生路桂英张永权乌效鸣王生维陶阳
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)