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深井复合钻柱技术在特深科学钻探中的应用探讨
Received:June 05, 2019  Revised:August 25, 2019  点此下载全文
引用本文:LI Lixin,ZHANG Fengyan,ZHANG Hengchun,WANG Wei,ZHANG Yi,HU Yule. A discussion on deep-well combined drill string technology for ultra-deep drilling engineering[J]. Geology in China, 2019, 46(5): 1200-1208(in Chinese with English abstract).
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Author NameAffiliationE-mail
LI Lixin Chinese Academy of Geological Sciences, Beijing 100037, China
China Deep Exploration Center, China Geological Survey&Chinese Academy of Geological Sciences, Beijing 100037, China 
 
ZHANG Fengyan Chinese Academy of Geological Sciences, Beijing 100037, China
China Deep Exploration Center, China Geological Survey&Chinese Academy of Geological Sciences, Beijing 100037, China 
zgsydxzfy@163.com 
ZHANG Hengchun Institute of Exploration Techniques, CAGS, Langfang 065000, Hebei, China  
WANG Wei Chinese Academy of Geological Sciences, Beijing 100037, China
China Deep Exploration Center, China Geological Survey&Chinese Academy of Geological Sciences, Beijing 100037, China 
 
ZHANG Yi Chinese Academy of Geological Sciences, Beijing 100037, China
China Deep Exploration Center, China Geological Survey&Chinese Academy of Geological Sciences, Beijing 100037, China 
 
HU Yule Chinese Academy of Geological Sciences, Beijing 100037, China
China Deep Exploration Center, China Geological Survey&Chinese Academy of Geological Sciences, Beijing 100037, China
China University of Geosciences(Wuhan), Wuhan 430074, Hubei, China 
 
基金项目:中国地质调查局项目(DD20189702)和中国地质科学院基本科研业务费(YWF201901、JYYWF20180501)联合资助。
中文摘要:深井复合钻柱技术是解决特深科学钻探超长钻杆柱可靠性问题的重要途径,其与设备能力、材料性能、钻进条件及管柱力学等息息相关。本文系统总结了复合钻柱技术在我国深部钻探中的发展和应用情况,在复合钻柱强度理论的基础上,探讨了不同复合钻柱的组合方案及其极限下深。研究结果表明,若以φ 216 mm直径终孔,仅依靠钢质钻柱已无法满足特深钻探13000 m的下深要求,而采用V150钢级φ 127 mm钻杆配合φ 127 mm钛合金钻杆及S135钢级φ 127 mm钻杆配合φ 129 mm铝合金钻杆可分别满足最大13484 m和18783 m的下深要求,钻柱总重分别仅有360.5 t和324.3 t,均具备可靠的安全性保障。本文对特深科学钻探用复合钻柱的设计和选择具有参考意义。
中文关键词:松辽盆地  科学钻探  复合钻柱  极限下深  钛合金钻杆  铝合金钻杆  深地勘查工程
 
A discussion on deep-well combined drill string technology for ultra-deep drilling engineering
Abstract:Deep-well combined drill string technology has become one of the most important scheme to solve the super-long drill string used for ultra-deep drilling project, which is related to equipment capacity, material property, drilling conditions and string mechanics. In this paper, the application and development of combined drill string technology in geological drilling are summarized systematically, the design scheme and its limitation length are discussed in detail on the basis of strength theory. The results show that the drilling mission with the depth of 13000m could not be finished by simply using pure steel combined drill string with the final borehole diameter being 216mm. By using drill string consisting of V150 steel drill pipe & titanium alloy drill pipe and S135 steel drill pipe & aluminum alloy drill pipe, the limitation depth and the weight of each combined drill string are respectively 13484m, 18783m and 360.5, 324.3t; in this way both of them own application reliability and advantage. These results have reference significance to the design and selection of deep-well combined drill string used for ultra-deep drilling project.
keywords:Songliao Basin  scientific drilling  combined drill string  titanium alloy drill pipe  aluminum alloy drill pipe  deep exploration engineering
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