| 寨上矿区复杂地层钻探技术 |
| 投稿时间：2012-03-01 修订日期：2012-05-07 点此下载全文 |
| 引用本文：尹建国,刘青山,夏文彬,等.寨上矿区复杂地层钻探技术[J].钻探工程,2012,39(6):42-45.YIN Jian-guo,LIU Qing-shang,XIA Wen-bin,et al. Drilling Technology for Complex Formation of Zhaishang Gold Mine Area[J]. Drilling Engineering, 2012,39(6):42-45. |
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| 中文摘要:针对甘肃省岷县寨上矿区构造发育，地层破碎，断裂带厚度大，钻孔缩径、漏失、坍塌，岩心采取率低，孔内事故多等钻进难题，采用植物胶泥浆、PAB无固相冲洗液、多层套管护壁技术，以及试验运用Q系列钻具和射流式绳索取心局部反循环钻具取心等措施，取得了较好的效果。 |
| 中文关键词:岩心钻探 复杂地层 冲洗液 植物胶泥浆 PAB无固相冲洗液 反循环钻具 寨上矿区 |
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| Drilling Technology for Complex Formation of Zhaishang Gold Mine Area |
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| Abstract:According to the drilling problems in Zhaishang gold mining area of Gansu province, such as structural development, broken formation, thick fault zone, borehole diameter shrinkage, leakage, collapse, low core recovery rate and frequent downhole accidents, plant glue mud, PAB solid-free flushing fluid, multi-layer casing protecting wall technology, drilling tools of the Q series and hydro-efflux wire-line coring drilling tools by local reverse circulation were applied with good results. |
| keywords:core drilling complex formation flushing fluid plant glue mud PAB solid-free flushing fluid reverse circulation drilling tools Zhaishang gold mining area |
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