| 大牛地气田太原组水平段钻头选型分析 |
| 投稿时间：2014-08-28 修订日期：2015-02-19 点此下载全文 |
| 引用本文：孙庆春.大牛地气田太原组水平段钻头选型分析[J].钻探工程,2015,42(3):20-24.SUN Qing-chun. Analysis on Bit Selection for a Horizontal Section of Taiyuan Formation in Daniudi Gas Field[J]. Drilling Engineering, 2015,42(3):20-24. |
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| 中文摘要:大牛地气田主要目的层太原组地层砾岩发育，石英含量高。在使用PDC钻头钻砾岩段，较大的负荷冲击载荷作用常造成PDC钻头复合片崩齿从而失去切削能力，不得不起钻更换钻头，大大降低了钻井时效、增加了钻井成本。通过对太原组水平段钻头的数据统计分析，使用GD1306TX型与FX55D型2种型号的钻头在太原组地层钻进可以提高机械钻速、缩短钻井周期，在GD1306TX型与FX55D型之间通过每米成本统计分析获得GD1306TX型钻头每米成本更低，更适合太原组研磨性地层使用，可为该区域水平段钻井的钻头选择提供依据。 |
| 中文关键词:PDC钻头 钻头选型 砾岩 大牛地气田 |
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| Analysis on Bit Selection for a Horizontal Section of Taiyuan Formation in Daniudi Gas Field |
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| Abstract:The conglomerate develops in Taiyuan formation with high quartz content, which is the main target of Daniudi gas field. In the conglomerate section drilling with PDC, tooth breakage is often caused by big impact load and drilling efficiency is greatly reduced by bit tripping with higher drilling cost. According to the statistical analysis on the data and by the use of GD1306TX and FX55D bits in Taiyuan formation, the ROP is increased to shorten the drilling cycle. It is proved the cost per meter of GD1306TX bit is lower than FX55D bit by statistical cost analysis, GD1306TX bit is more suitable to be applied in abrasive Taiyuan formation. |
| keywords:PDC bit bit selection conglomerate Daniudi gas field |
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