| 含硫气井的井筒完整性设计方法 |
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| 引用本文： | 张智,周延军,付建红,陈明,李文飞,施太和. 含硫气井的井筒完整性设计方法[J]. 天然气工业, 2010, 30(3): 67-69. DOI: 10.3787/j.issn.10000976.2010.03.017 |
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| 作者姓名： | 张智 周延军 付建红 陈明 李文飞 施太和 |
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| 作者单位： | 1.“油气藏地质及开发工程”国家重点实验室·西南石油大学；2.中石化胜利石油管理局钻井工艺研究院 |
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| 基金项目： | 国家自然科学基金项目(编号:50904050); 国家科技重大专项(编号:2008ZX05017); 国家科技支撑计划(编号:2008BAB37B00) |
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| 摘 要： | 针对API/ISO或GB/SY标准设计的油管、套管不能完全保证在服役过程中完整性的现状，参考挪威石油工业协会NORSOK D 010标准，研究了“井筒完整性设计”的理念和设计方法，提出了井下作业的井筒完整性管理方法，防止井下作业工具对套管可能产生的潜在损伤。从API圆螺纹和偏梯形螺纹的使用限制、金属接触气密封螺纹的选用方法、井下组件潜在的电偶腐蚀和缝隙腐蚀等角度，研究了降低螺纹连接部位被腐蚀、泄漏或断裂的措施，尽可能保持井筒物理上和功能上的完整性，使井筒始终处于受控状态。建议在井筒完整性设计过程中，重视螺纹的合理选用以及正确操作、井下组件的电偶腐蚀，以降低密封失效的风险。
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| 关 键 词： | 气井 高含硫化氢 高产 井筒 完整性 设计 螺纹选用 |
A method of well integrity design for sour gas wells |
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| Zhang Zhi , Zhou Yanjun , Fu Jianhong , Chen Ming , Li Wenfei , Shi Taihe. A method of well integrity design for sour gas wells[J]. Natural Gas Industry, 2010, 30(3): 67-69. DOI: 10.3787/j.issn.10000976.2010.03.017 |
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| Authors: | Zhang Zhi Zhou Yanjun Fu Jianhong Chen Ming Li Wenfei Shi Taihe |
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| Affiliation: | 1.State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China; 2.Drilling Measurement Tools Research Department of Drilling Technology Research Institute, Shengli Petroleum Administration, Sinopec Group, Dongying, Shandong 257017, China |
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| Abstract: | The integrity of the tubing and casing strings designed according to the API/ISO or GB/SY standards cannot be guaranteed during its service life. Hereby, the concept and design method of well integrity are studied based on the reference to the NORSOK D-010 standard compiled by the Norway Petroleum Industry Association. And the well integrity management methods during the downhole operations are recommended to avoid potential damage to casing strings exerted by downhole tools. The application limits of API r... |
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| Keywords: | gas well high H2S high production wellbore integrity design thread selection |
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