| 新疆坡北矿区ZK2-6孔钻探施工技术 |
| 投稿时间：2015-03-24 修订日期：2015-07-28 点此下载全文 |
| 引用本文：盖志鹏,罗刚,贾宏福,等.新疆坡北矿区ZK2-6孔钻探施工技术[J].钻探工程,2015,42(8):30-34.GE Zhi-peng,LUO Gang,JIA Hong-fu,et al. Construction Technology for ZK2-6 in Pobei Mining Area of Xinjiang[J]. Drilling Engineering, 2015,42(8):30-34. |
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| 中文摘要:新疆坡北矿区ZK2-6孔施工中遇到多层蚀变带，最长连续强蚀变带达30 m，在以往施工过程中，因卤水配制的泥浆性能难以保证，不利于孔壁的稳定，导致在钻进过程中，孔壁剥落超径、断钻杆事故频发。钻杆断开后，由于孔壁坍塌，找不到事故头，从而导致钻孔报废。针对蚀变、破碎地层钻进易发生的孔壁坍塌、超径、掉块及卤水泥浆性能难以保证等问题，开展相关研究，提出相应的技术措施，圆满完成了坡北工区ZK2-6孔的钻探施工。 |
| 中文关键词:钻探 强蚀变地层 漏失 卤水配浆 新疆坡北矿区 |
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| Construction Technology for ZK2-6 in Pobei Mining Area of Xinjiang |
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| Abstract:Multi-layer alteration zones were encountered in the construction of ZK2-6 in Pobei mining area of Xinjiang, the longest continuous intense alteration zone was 30m. In the previous construction, the property of mud with brine was hard to be ensured, which was unfavorable to the wall stability and often caused hole wall spalling, diameter oversizing and drill pipe breaking, even borehole was abandoned. According to the drilling problems in alteration zone, the related research was carried out to put forward corresponding technical measures to complete ZK2-6 in Pobei mining area. |
| keywords:drilling intense alteration zone leakage slurry with brine Pobei mining area of Xinjiang |
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