任丘市首眼填砾地热井施工工艺 |
投稿时间:2009-02-04 修订日期:2009-02-04 点此下载全文 |
引用本文:景龙,杨永明,常林祯,等.任丘市首眼填砾地热井施工工艺[J].钻探工程,2009,36(7):28-32.JING Long,YANG Yong-ming,CHANG Lin-zhen,et al. Construction Technology of the First Grave-filled Geothermal Well in Renqiu[J]. Drilling Engineering, 2009,36(7):28-32. |
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中文摘要:任丘市常规地热井存在含砂量高、孔壁易失稳等问题。在本区设计首眼填砾地热井,选择了φ178 mm/φ311 mm的管/孔径级配的成井结构。通过录井仪监测、泥浆性能控制等措施完成成孔施工;通过破壁替浆、静水填砾等程序完成成井施工。运行检验证明,施工工艺可行,成井质量可靠。 |
中文关键词:地热井 深井填砾 钻井工艺 成井工艺 任丘 |
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Construction Technology of the First Grave-filled Geothermal Well in Renqiu |
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Abstract:High sand content rate and unstable borehole wall exist in common geological well in Renqiu, and the gradation of 178mm pipe and 311mm diameter was chosen for the first gravel-filled geological well in this area. Borehole construction was completed under the logging instrument monitoring and mud property control; well construction was completed by -breaking mud layer of the wall and gravel-filling in static water level. It was proved the construction technology was feasible and quality of well completion was reliable by operation test. |
keywords:geological well gravel-filling in deep well drilling technology well completion technology Renqiu |
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