Efficient, multi-element and accurate drilling group construction result evaluation method

Abstract

The invention discloses an efficient, multi-element and accurate drilling group construction result evaluation method, and belongs to the technical field of coal mining. The method comprises the following steps of summarizing and sorting to form a drilling construction electronic ledger according to drilling design parameters and on-site construction conditions; utilizing trigonometric function calculation to convert the drilling horizon information into data for storage; according to the storage of the database, comparing the drill hole coal stoppage, the control range and the hole spacing, and judging whether the comparison result is qualified or unqualified for output; analyzing occurrence fluctuation change conditions of a coal seam roof and a coal seam floor according to a comparisonjudgment result of drill holes; comparing the analysis result with the drilling construction situation, and evaluating the drilling construction situation in detail and in a multi-element mode according to different given conditions; and displaying the evaluation conclusion in the form of a data table. According to the method, drilling group design and construction conditions are efficiently and accurately analyzed according to drilling construction parameters, an analysis result and a coal seam geology dynamic fluctuation change form are combined and analyzed, and an evaluation result is moreaccurate and visual.

Description

technical field [0001] The invention relates to an evaluation method for coal seam drilling construction results, in particular to an efficient multivariate and accurate drilling group construction result evaluation method, and belongs to the technical field of coal mining. Background technique [0002] As the most effective regional outburst prevention measure, through-bed drilling plays an important role in the safe production of mines. Whether the construction quality accuracy and the design "consistent" not only feedback the designer's understanding of coal seam fluctuations and geological changes , It also represents whether the design is "accurate and reliable", whether it "conforms to the site" and so on. [0003] At present, when our country compares and evaluates the design and construction of drilling holes, most of them only give a "qualified or unqualified" conclusion, but the specific reasons for the "unqualified" conclusion are not deeply analyzed, so that A c...

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Problems solved by technology

[0005] The purpose of the present invention is: to overcome the inaccurate evaluation of the drill hole stop coal design and construction situation, the drill hole control range and the hole spacing ratio in the prior art, and the inability to provide reasonable remedial measures in the later stage, and the use of CAD drawing and manual evaluation The method is cumbersome and inefficient, and solves the problems of large design and production errors in the later stage caused by the lack of understanding and loss of control of the geological fluctuations of the coal seam on site; it provides an efficient, multivariate and accurate drilling group construction result evaluation method. The method combines the large database (the large database of coal seam roof and floor undulation changes compiled by the analysis of the drilling construction ledger) to compare the design of the through-bed drilling with the construction situation, and the evaluation results are more efficient, detailed, unified, real, and Visual display in a reliable way, so that mines can accurately grasp the fluctuations of coal seam occurrence and the reasons for the design errors of drilling construction, and provide data and technical support for mine safety production

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