| 甘肃西和大桥金矿区复杂地层钻探施工实践 |
| 投稿时间：2011-06-14 修订日期：2011-10-31 点此下载全文 |
| 引用本文：宋端正.甘肃西和大桥金矿区复杂地层钻探施工实践[J].钻探工程,2012,39(1):44-46.宋端正. Construction Practice of Drilling in Complex Formation of Gold Field in Gansu[J]. Drilling Engineering, 2012,39(1):44-46. |
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| 中文摘要:针对甘肃西和大桥金矿区地层破碎、裂隙发育，漏失、坍塌、卡钻、埋钻等钻进难点，采用金刚石单动双管钻进工艺和聚丙烯酰胺不分散低固相冲洗液护孔技术，并采用多种堵漏措施，取得了较好的技术效果。总结了该矿区复杂地层钻探施工的经验。 |
| 中文关键词:岩心钻探 复杂地层 单动双管 金刚石钻进 聚丙烯酰胺 冲洗液 护壁堵漏 |
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| Construction Practice of Drilling in Complex Formation of Gold Field in Gansu |
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| Abstract:According to the difficulties of broken formation, fracture development, lost circulation, callapse, drill rod sticking and burying in Xihedaqiao gole field, diamond swivel type double tube drilling technology and borehole protection with polyacrylamide non-dispersive low solid washing fluid were adopted with several leakage control measures, good technical effects were received. The paper summed up the construction experience in complex formation of this gold field. |
| keywords:core drilling complex formation swivel type double tube diamond drilling polyacrylamide washing fluid |
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