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TKP194-80型密闭保压取心工具的研制与应用

赵义, 刘海龙, 蔡家品, 阮海龙, 梁涛. 2023. TKP194-80型密闭保压取心工具的研制与应用. 钻探工程, 50(4): 77-83. doi: 10.12143/j.ztgc.2023.04.011
引用本文: 赵义, 刘海龙, 蔡家品, 阮海龙, 梁涛. 2023. TKP194-80型密闭保压取心工具的研制与应用. 钻探工程, 50(4): 77-83. doi: 10.12143/j.ztgc.2023.04.011
ZHAO Yi, LIU Hailong, CAI Jiapin, RUAN Hailong and LIANG Tao, . 2023. Development and application of TKP194-80 sealed pressure-holding coring tool. DRILLING ENGINEERING, 50(4): 77-83. doi: 10.12143/j.ztgc.2023.04.011
Citation: ZHAO Yi, LIU Hailong, CAI Jiapin, RUAN Hailong and LIANG Tao, . 2023. Development and application of TKP194-80 sealed pressure-holding coring tool. DRILLING ENGINEERING, 50(4): 77-83. doi: 10.12143/j.ztgc.2023.04.011

TKP194-80型密闭保压取心工具的研制与应用

详细信息
    作者简介: 赵义,男,汉族,1985年生,高级工程师,机械设计及制造专业,硕士,主要从事地质钻探取心工具研究工作,北京市房山区良乡工业开发区二期创新路1号,bjiee_zy@foxmail.com。

Development and application of TKP194-80 sealed pressure-holding coring tool

  • 密闭保压取心是一种能够保持或接近地层压力的特殊取心技术,可使岩心中流体、气体保持在原始状态。这种技术对于正确认识地质情况、计算油田可采储量、分析页岩气藏和煤层气藏机理,制定勘探开发方案有着十分重要的意义。研制TKP194-80型密闭保压取心工具,采用大通径高压球阀密封、密闭液封堵、液压差动、活塞压力补偿等关键技术,配有岩心冷冻、切割、集气等岩心后处理工艺,钻头外径215 mm,保压能力50 MPa,岩心直径80 mm。在山西晋中某煤层气资源地质探井开展保压取心应用,共进行保压取心8筒,总进尺37.51 m,岩心采取率84.4%,保压成功率87.5%。研究结果表明,该取心工具保压性能可靠,技术方案可行,可为常规油气及非常规油气藏勘查开发提供技术装备支撑。
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出版历程
收稿日期:  2023-01-13
修回日期:  2023-05-22

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