| 河南新蔡焦庄铁矿区预查ZK001孔超厚覆盖层钻进技术 |
| 投稿时间：2013-06-04 修订日期：2013-10-23 点此下载全文 |
| 引用本文：张东兴.河南新蔡焦庄铁矿区预查ZK001孔超厚覆盖层钻进技术[J].钻探工程,2013,40(12):47-49,53.ZHANG Dong-xing. Drilling Technology of Over-thick Overburden Layer Drilling in Pre-detecting Hole in Henan[J]. Drilling Engineering, 2013,40(12):47-49,53. |
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| 中文摘要:河南新蔡县焦庄铁矿区ZK001钻孔在厚大覆盖层施工中因粘滞卡钻事故，导致钻孔报废。重新开孔后，吸取前期事故教训，更换适合地层的设备，采用优质泥浆，改进施工工艺，采取有效措施，于孔深1115.72 m时，达到地质目的而终孔，各项技术指标优秀。从钻孔结构、钻进方法、冲洗液性能等方面进行了分析，简述了施工中出现的问题及应对措施。 |
| 中文关键词:钻探设备 钻孔结构 冲洗液 绳索取心 套管护壁 焦庄铁矿 |
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| Drilling Technology of Over-thick Overburden Layer Drilling in Pre-detecting Hole in Henan |
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| Abstract:A drill sticking accident caused ZK001 borehole abandonment in Jiaozhuang iron ore area of Henan, the construction technology was improved by using proper equipment and high-quality mud, the final hole with depth of 1115.72m was reached with good technical indexes. Analysis is made on the borehole structure, drilling methods and properties of flushing fluid; the problems appeared in the construction and the countermeasures are briefly discussed. |
| keywords:drilling equipment borehole structure flushing fluid wire-line core drilling wall protection with casing Jiaozhuang iron ore |
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