4/11/2025, 5:52:16 AM 星期五
南黄海地震监测台网CSDP-2孔扩孔改造技术
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作者单位:

1.山东省地矿局钻探工程技术研究中心,山东 烟台 264004;2.山东省第三地质矿产勘查院,山东 烟台 264004

中图分类号:

P634


Reaming technology for CSDP-2 hole of South Yellow Sea Earthquake Monitoring Network
Author:
Affiliation:

1.Drilling Engineering Technology Research Center of Shandong Bureau of Geology and Mineral Resources,Yantai Shandong 264004, China;2.The Third Geological Team of Shandong Bureau of Geology and Mineral, Yantai Shandong 264004, China

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    摘要:

    对南黄海大陆架科学钻探CSDP-2孔进行扩孔改造,开展海洋深部地震监测,是“一带一路”地震监测台网建设的重要组成部分。通过对CSDP-2孔扩孔改造所采用的钻探工艺进行总结,摸索出了一套适合海上深部钻探的工艺技术:在钻井平台上选用转盘水井钻机,做到设备模块化、便携化;随钻测斜仪定向钻进技术能有效节省钻孔单点测斜校对时间,提高钻孔施工质量;配制海水低固相聚合物冲洗液体系,有效解决钻孔水敏性泥岩吸水膨胀及分散造浆、破碎地层漏失、含气地层有害气体溢出等难题,避免了孔内事故的发生。研究结果为后续海洋深部钻探提供了技术支撑。

    Abstract:

    It is an important part of the construction of the “Belt and Road” seismic monitoring network to carry out reaming and upgrading of CSDP-2 hole of the “Deep Marine Seismic Monitoring Network”. By summarizing the drilling process used for reaming CSDP-2 hole in the South Yellow Sea, a set of drilling technology suitable for offshore deep drilling has been developed: including rotary water well drilling rig which was used on the drilling platform to make the equipment modular and portable; Mud pulse MWD which can effectively save survey time and improve drilling quality from the single point inclinometer. Seawater based low solid polymer drilling fluid which has effectively tackled the problems such as mudstone expansion and mud production in water sensitive formation, circulation loss in broken formation, hazard gas emission from gas bearing formation so as to prevent downhole incidents. The research results can provide technical support and reference for subsequent deep ocean drilling.

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引用本文

葛晓华,翟育峰,王鲁朝,等.南黄海地震监测台网CSDP-2孔扩孔改造技术[J].钻探工程,2022,49(6):30-35.
GE Xiaohua, ZHAI Yufeng, WANG Luzhao, et al. Reaming technology for CSDP-2 hole of South Yellow Sea Earthquake Monitoring Network[J]. Drilling Engineering, 2022,49(6):30-35.

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  • 收稿日期:2022-07-03
  • 最后修改日期:2022-10-10
  • 录用日期:2022-10-12
  • 在线发布日期: 2022-12-05
  • 出版日期: 2022-11-10
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