绳索取心钻杆内壁结垢成因与预防及清理装置的研发
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中国地质科学院勘探技术研究所,中国地质科学院勘探技术研究所,中国地质科学院勘探技术研究所,中国地质科学院勘探技术研究所

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P634.8

基金项目:

国家重点研发计划课题“小口径高效系列钻具研究”(编号:2018YFC0603404);地质调查项目“共和盆地恰卜恰干热岩试验性开发与评价(中国地质科学院勘探技术研究所)”(编号:DD20190136);中国地质科学院勘探技术研究所科技项目“绳索取心钻杆内壁结垢成因与防治措施”


Generation of mud scale on the interior of wireline drill rods and development of prevention and cleaning devices
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The Institute of Exploration Techniques, CAGS,The Institute of Exploration Techniques, CAGS,The Institute of Exploration Techniques, CAGS,The Institute of Exploration Techniques, CAGS

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    摘要:

    绳索取心钻杆内壁结垢会造成钻杆腐蚀、打捞器与内管总成运行遇阻、孔壁失稳等问题,常见类型有涡区结垢、延伸结垢与渗漏结垢等。本文在分析结垢原因与影响因素的基础上,制定了冲洗液优选、钻进技术参数优化、钻孔结构与钻具组合优化等预防措施,同时,研发了泥皮清理装置,可通过供电绞车和铠装电缆将刮泥器送至孔内,主动清理钻杆内壁的吸附物或泥皮,保持钻杆内壁清洁,实现高效安全钻进。

    Abstract:

    Scaling on the inner wall of the wireline drilling rod can cause drilling rod corrosion, blockage in running the fishing tools and the inner tube assembly, borehole wall instability, etc. The common types of mud scales occurs in the eddy region, or due to extension, leakage and so on. Based on analyzing the reasons and influence factors of mud scaling, the preventive measures are made in this paper, includi drilling fluid optimization, drilling parameters optimization, borehole structure and bottom hole assembly optimization and so on. At the same time, the mud scale cleaning device has been developed. The mud scraper, lowered into the hole through the winch with power supplying and the armored cable, can actively clean the mud scale or adsorbates on the inner wall of the drill rod to keep it clean, so as to achieve the goal of high efficiency and safety drilling.

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李宽,李鑫淼,韩丽丽,等.绳索取心钻杆内壁结垢成因与预防及清理装置的研发[J].钻探工程,2019,46(2):60-64.
LI Kuan, LI Xinmiao, HAN Lili, et al. Generation of mud scale on the interior of wireline drill rods and development of prevention and cleaning devices[J]. Drilling Engineering, 2019,46(2):60-64.

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  • 收稿日期:2019-01-08
  • 最后修改日期:2019-01-17
  • 录用日期:2019-01-17
  • 在线发布日期: 2019-02-21
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