| 福州花岗岩区大直径地热深井主要钻井技术 |
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| 引用本文： | 田勇.福州花岗岩区大直径地热深井主要钻井技术[J].福建地质,2011,30(2):177-182. |
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| 作者姓名： | 田勇 |
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| 作者单位： | 福建省第四地质大队,宁德,352100 |
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| 摘 要： | 在福州大直径地热深井钻探施工中,使用钻井能力大于600m的大型水文钻机及相关配套设备,选用HA、HJ系列掌背强化金刚石保径、中-高抗压强度镶齿三牙轮钻头,采用 气举反循环钻井工艺,成功施工十余口550～1 200m优质高温大口径地热深井,介绍了其主要钻井技术,对今后深层回灌钻井施工具积极的作用.
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| 关 键 词： | 花岗岩区 大直径 地热 钻井技术 |
The Main Drilling Technology of the Big Diameter Geothermal Deep Well in Granite Area,Fuzhou City |
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| Tian Yong.The Main Drilling Technology of the Big Diameter Geothermal Deep Well in Granite Area,Fuzhou City[J].Geology of Fujian,2011,30(2):177-182. |
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| Authors: | Tian Yong |
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| Institution: | Tian Yong(No.4 Geological Party of Fujian Province,Ningde,352100) |
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| Abstract: | In the drilling construction of the big diameter geothermal deep well,using of more than 600m drilling capacity of large hydrological rig and related equipment,choosing HA and HJ series button three-cone bit of the meteacarpal aggrandizement diamond gaugeprotection and middle-hight compressive strength,the use of reverse circulation by gas drilling technology,the author constructed ten 550-1200 m high-quality high-temperature heavyclibre geothermal deep well.The paper introduced its mail drilling technology... |
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| Keywords: | granite area big diameter geothermy drilling technology |
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