基于模糊综合评价法的煤矿废弃油井风险分类及灾害防治技术
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Risk Classification of Abandoned Oil Wells in Coal Mines Based on Fuzzy Comprehensive Evaluation Method and Disaster Prevention Technology
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    摘要:

    为有效评估煤油资源重叠区废弃油井对井下煤矿工作面开采造成的影响,本文以双马煤矿为具体研究对象,在分析废弃油井对煤炭开采的潜在危险基础上,综合考虑了油井因素、煤油水地层位置关系以及油井伴生气体因素三个方面,构建了8个废弃油井风险等级评价指标。采用层次分析法确定了各评价指标的权重,并建立了煤矿废弃油井风险等级分类模糊综合评价模型。针对不同风险等级的废弃油井制定了相应的防治方法和安全技术措施,在双马煤矿井下安全揭露了马探31、马探20等8口废弃油井。实际工程应用表明,所建立的废弃油井危害分类评价方法正确,相应的灾害防治技术得当,取得了较好的效果,为后期双马煤矿井田范围其他废弃油井的风险评价及制定防治技术措施提供了工程技术依据。

    Abstract:

    In order to effectively evaluate the impacts of abandoned oil wells in kerosene resource overlapping area on underground coal mining-face. This paper takes Shuang-ma coal mine as the specific research object, aiming at the actual situation of coal mining under the influence of abandoned oil wells, and comprehensively considers oil well condition, location of coal bed, hydrocarbon reservoir and aquifer, associated gas, 8 evaluation indexes were selected to classify the risk levels of abandoned oil well. And the weight of each indexes was calculated by using analytic hierarchy process (AHP). Then, the risk classification model of abandoned oil wells in coal mines is built based on fuzzy comprehensive evaluation method. The corresponding safety technical measures were formulated according to the risk levels of abandoned oil wells. and 8 abandoned oil wells were handled with safety, such as Matan 31 and Matan 20. The on-site engineering show that the risk level classification method and the corresponding prevention method of abandoned oil wells have achieved good results, which provides the engineering technical basis for the judgment and formulation of measures of other abandoned oil wells in the later Shuang-ma coal mine.

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引用本文

张刚. 基于模糊综合评价法的煤矿废弃油井风险分类及灾害防治技术[J]. 科学技术与工程, 2021, 21(10): 3964-3971.
Zhang Gang. Risk Classification of Abandoned Oil Wells in Coal Mines Based on Fuzzy Comprehensive Evaluation Method and Disaster Prevention Technology[J]. Science Technology and Engineering,2021,21(10):3964-3971.

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  • 收稿日期:2021-02-22
  • 最后修改日期:2021-04-12
  • 录用日期:2021-03-14
  • 在线发布日期: 2021-04-28
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