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仿生孕镶金刚石钻头在漠河冻土区天然气水合物勘探钻进中的应用
引用本文:曹宇,刘宝昌,计胜利,李守圣,李小洋.仿生孕镶金刚石钻头在漠河冻土区天然气水合物勘探钻进中的应用[J].探矿工程(岩土钻掘工程),2012,39(7):77-81.
作者姓名:曹宇  刘宝昌  计胜利  李守圣  李小洋
作者单位:1. 吉林大学建设工程学院,吉林长春,130026
2. 吉林大学建设工程学院,吉林长春130026;吉林大学超硬材料国家重点实验室,吉林长春130012
3. 黄河勘测规划设计有限公司,河南洛阳,471002
基金项目:中国地质调查局项目(GZHL20110320;GZHL20110326)
摘    要:仿生孕镶金刚石钻头具有高效、耐磨的特点,符合漠河天然气水合物勘探的要求及漠河钻探施工现场的条件。介绍了符合漠河地层特点的仿生孕镶金刚石钻头的设计与制造。同时对效果不理想的钻头的钻进情况进行了分析,提出了评价钻头性能时需要综合分析,从而客观、真实地反映钻头的实际钻进能力。漠河天然气水合物MK-2科学钻探试验井的钻进结果表明,仿生孕镶金刚石钻头的寿命比普通孕镶金刚石钻头长73%,钻速比普通孕镶金刚石钻头高22%。

关 键 词:天然气水合物  仿生孕镶金刚石钻头  高效  耐磨  漠河
修稿时间:4/2/2012 12:00:00 AM

Application of Bionic Impregnated Diamond Bit for Natural Gas Hydrate Drilling in Mohe Frozen Soil Region
Cao Yu,LIU Bao-chang,JI Sheng-li,LI Shou-sheng and LI Xiao-yang.Application of Bionic Impregnated Diamond Bit for Natural Gas Hydrate Drilling in Mohe Frozen Soil Region[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2012,39(7):77-81.
Authors:Cao Yu  LIU Bao-chang  JI Sheng-li  LI Shou-sheng and LI Xiao-yang
Affiliation:College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University,College of Construction Engineering, Jilin University
Abstract:Bionic impregnated diamond bit has the characteristics of high efficiency and wear resistance, which meets the requirements of the exploration of natural gas hydrate and the conditions of the construction site in Mohe. This paper introduces the design and manufacturing of bionic impregnated diamond bit suitable to the characteristics of Mohe formation. The paper analyzes the drilling conditions of nonideal bit and puts forward the comprehensive analysis for evaluation of bit performance to objectively and truly reflect the actual bit drilling capacity. The drilling results of MK-2 scientific drilling test well of Mohe natural gas hydrate indicate that the service life and the drilling speed of bionic impregnated diamond bits are 73% longer and 22% higher than ordinary diamond impregnated diamond bits.
Keywords:natural gas hydrate  bionic  impregnated bionic diamond bit  high efficiency  wear resistance  Mohe
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