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优化多晶钻石紧位的选择和钻井参数,用于偏差井在伊拉克Majnoon领域,伊拉克
Ahmed N Al-Dujaili1, Maaly S Asad2, Najah Saeed3
1Petroleum Engineering Department, Amirkabir University of Technology, No. 350, Hafez Ave, Valiasr Square, Tehran, 1591634311, Iran. ahmed.noori203@aut.ac.ir.
Scientific reports
|January 25, 2025
概括
在Majnoon Field优化钻探参数和比特选择显著减少了钻探问题. 特定的位型和钻井轨迹,如J形,提高了透率和稳定性.
科学领域:
- 石油工程是石油工程中的一个.
- 钻井优化 钻井优化
- 井口建设工程 井口建设工程
背景情况:
- 钻井操作面临诸多挑战,包括钻孔磨损和漏洞清洁不良.
- 优化钻探参数对于效率和成本效益至关重要.
研究的目的:
- 优化比特选择和钻探参数,以提高Majnoon领域的性能.
- 确定垂直和偏斜井的最有效的钻井方法.
主要方法:
- 分析伊拉克东南部的Majnoon田的钻探数据.
- 评估不同的钻头类型 (SFD75D,MMD,MME,FX,EQ) 及其性能.
- 钻井参数的评估:比特重量 (WOB),RPM,泥重量和流量.
- 钻井轨迹的比较 (J形与S形) 以及它们对钻井效率的影响.
主要成果:
- 16英寸SFD75D位显示出优越的定向能力,用于垂直和偏离井.
- 在12.25英寸和8.5英寸的截面上,MMD和MME比特表现优于FX和EQ类型.
- 确定了最佳的钻井参数:WOB (25.45-73 klbs),RPM (50-179.22),泥重量 (10.5-10.8 ppg) 和流量 (662-940 gpm).
- 与S型井相比,J型井的透率增加了50-100%,扭矩更稳定.
- 南方井表现出较高的滑动百分比,但比北方井更稳定的倾斜和较低的液压要求.
结论:
- 比特选择和参数优化是缓解钻井问题和增强孔清洁的关键.
- 建议使用SFD75D,MMD和MME位用于Majnoon领域的特定部分.
- J形井轨迹在钻井性能和稳定性方面具有显著的优势.
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