土耳其卡赞碱矿对接井分层同时开采设计方案探讨
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中国地质科学院勘探技术研究所,河北 廊坊 065000

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P634.7;TD87

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中国地质调查局地质调查项目“土耳其卡赞贝帕扎里天然碱矿探采方法技术合作”(编号:DD2019090602)


Design for simultaneous mining of multiple trona layers with an intersected well set at Kazan Soda Trona Mine in Turkey
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Institute of Exploration Techniques, CAGS, Langfang Hebei 065000, China

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    摘要:

    土耳其卡赞天然碱矿采用了对接井水溶开采的方法,目前已成功完成了100余组对接井组,创造了显著的社会与经济效益。为了提高矿山的利用率,根据现有情况和地质条件,本文针对卡赞碱矿四期钻井工程,提出了3种分层同时开采碱层的可选方案进行探讨。在总体方案已基本确定的情况下,提出了分层同时开采的布井原则,并对3种方案进行了简要阐述及各项指标对比。本文选择了具有钻井工作量少、工期较短及投资费用较低等优点的可选方案C(1口水平井+2口垂直井),详细阐述了垂直井施工、水平井施工及溶采操作,并提出了一些技术问题与建议。该分层同时开采方案对于天然碱矿的多层同时开采及回采率提高具有一定的指导作用和借鉴意义。

    Abstract:

    In Kazan Trona Mine in Turkey, the method of solution mining with intersected well set has been adopted with around 100 intersected well sets drilled successfully, which has brought about remarkable social and economic benefits. In order to improve the utilization rate of the trona resources, based on the current situation and geological conditions, three alternative schemes for simultaneous mining of multiple trona layers with an intersected well set for the Kazan Phase IV drilling project are put forward in the paper. With the overall plan determined, the well layout principle for simultaneous mining of multiple layers is put forward, and the three schemes are briefly expounded and the index of them are compared. The 3rd alternative scheme (1 horizontal well +2 vertical wells) is selected since it provides the advantages of less drilling work, shorter construction period and lower investment cost. Description is made in detail of vertical well drilling, horizontal well drilling and solution mining operation with some related technical problems and suggestions were put forward. The simultaneous mining scheme can provide some guidance and reference for simultaneous mining of multi-layer trona mines and increase of resource recovery.

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刘汪威,张正元,林修阔,等.土耳其卡赞碱矿对接井分层同时开采设计方案探讨[J].钻探工程,2020,47(8):57-63.
LIU Wangwei, ZHANG Zhengyuan, LIN Xiukuo, et al. Design for simultaneous mining of multiple trona layers with an intersected well set at Kazan Soda Trona Mine in Turkey[J]. Drilling Engineering, 2020,47(8):57-63.

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  • 收稿日期:2020-04-22
  • 最后修改日期:2020-07-13
  • 录用日期:2020-07-10
  • 在线发布日期: 2020-08-19
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