赵密锋,付安庆,秦宏德,谢俊峰,谢刚,龙岩,李岩,王华.高温高压气井管柱腐蚀现状及未来研究展望[J].表面技术,2018,47(6):44-50.
ZHAO Mi-feng,FU An-qing,QIN Hong-de,XIE Jun-feng,XIE Gang,LONG Yan,LI Yan,WANG Hua.Overview and Future Research Prospect of Tubing String Corrosion of High Pressure and High Temperature Gas Well[J].Surface Technology,2018,47(6):44-50 |
| 高温高压气井管柱腐蚀现状及未来研究展望 |
| Overview and Future Research Prospect of Tubing String Corrosion of High Pressure and High Temperature Gas Well |
| 投稿时间：2017-12-06 修订日期：2018-06-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2018.06.007 |
| 中文关键词: 高温高压气井 管柱腐蚀 耐蚀合金 13Cr 应力腐蚀开裂 |
| 英文关键词:HPHT gas well tubing string corrosion corrosion resistant alloy 13Cr SCC |
| 基金项目:国家自然科学基金应急管理项目（51641409）；中石油基础研究和战略储备技术研究基金项目（2017Z-03）；陕西省创新人才推进计划-青年科技新星项目（2017KJXX-03） |
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| Author | Institution |
| ZHAO Mi-feng | Oil and Gas Engineering Research Institute of Petro China Tarim Oilfield Company, Korla 841000, China |
| FU An-qing | 1.CNPC Tubular Goods Research Institute, Xi’an 710077, China; 2.SKL for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials, Xi’an 710077, China |
| QIN Hong-de | Oil and Gas Engineering Research Institute of Petro China Tarim Oilfield Company, Korla 841000, China |
| XIE Jun-feng | Oil and Gas Engineering Research Institute of Petro China Tarim Oilfield Company, Korla 841000, China |
| XIE Gang | Infrastructure Construction Department of Petro China Changqing Oilfield Company, Xi’an 710018, China |
| LONG Yan | 1.CNPC Tubular Goods Research Institute, Xi’an 710077, China; 2.SKL for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials, Xi’an 710077, China |
| LI Yan | Oil and Gas Engineering Research Institute of Petro China Tarim Oilfield Company, Korla 841000, China |
| WANG Hua | Oil and Gas Engineering Research Institute of Petro China Tarim Oilfield Company, Korla 841000, China |
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| 中文摘要: |
| 高温、高压、高腐蚀性介质引起的管柱腐蚀问题已成为国内外高温高压气井井筒完整性的巨大威胁和挑战。首先分析了我国塔里木盆地高温高压气井管柱服役工况环境、作业生产工艺、管柱受力情况以及腐蚀现状，重点回顾了国内外高温高压气井增产改造阶段酸化液引起的腐蚀、氯离子/硫化氢/环空保护液引起的应力腐蚀开裂、管柱接头缝隙腐蚀3种主要的失效形式，同时结合文献研究和现场失效案例分析总结了管柱腐蚀机理和规律。最后总结了高温高压气井管柱未来5大研究方向：基于生命全周期选材评价、15Cr和17Cr新管材、特殊管材酸化缓蚀剂、环空保护液应力腐蚀开裂敏感性、全尺寸管柱腐蚀实验方法。 |
| 英文摘要: |
| The corrosion of tubing strings arising from high temperature, high pressure and highly corrosive medium is a great threat and challenge to wellbore integrity of HPHT gas wells at home and abroad. Service environment, production process, loading condition, and corrosion status of HPHT gas wells in Tarim Basin were analyzed. Three major failure forms including acidizing process induced corrosion, chloride ion/H2S/annulus protection fluid induced fluid stress corrosion cracking and crevice corrosion at tubing string ends were emphatically reviewed. Meanwhile, corrosion mechanism and rule were analyzed and concluded according to literature research and field failure cases. Finally, five key research areas are proposed for future study on HPHT gas well tubing string: full-life-cycle based material selection, 15Cr and 17Cr new pipes, acidizing inhibitor for special CRAs, stress corrosion cracking sensitivity in completion fluid, and full-scale tubing corrosion experimental method. |
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