| 模拟井筒工况下四丙氟橡胶O型圈腐蚀损伤研究 |
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| 引用本文： | 王锦昌,邓学峰,曾德智,喻智明,李坛,戚亚东.模拟井筒工况下四丙氟橡胶O型圈腐蚀损伤研究[J].石油与天然气化工,2018,47(4):77-82. |
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| 作者姓名： | 王锦昌 邓学峰 曾德智 喻智明 李坛 戚亚东 |
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| 作者单位： | 中国石化华北油气分公司石油工程技术研究院;西南石油大学油气藏地质及开发工程国家重点实验室;中海油常州涂料化工研究院有限公司 |
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| 基金项目： | 国家自然科学基金“静载、振动与腐蚀作用下H2S/CO2气井完井管柱螺纹密封面的力化学损伤机制研究”(51774249)；国家科技重大专项“低丰度致密低渗油气藏开发关键技术”(2016ZX05048) |
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| 摘 要： | 采用高温高压釜和自主设计的O型圈承压状态模拟装置模拟某高含CO_2介质天然气生产井井筒工况,在总压30 MPa、CO_2分压0.5MPa、温度140℃的条件下,分别在承压状态下和自由状态下对四丙氟橡胶O型圈进行了高温高压腐蚀实验。以O型圈试样的拉伸、硬度和压缩永久变形为考察指标,分析了腐蚀前后试样的力学性能损伤规律。研究结果表明,四丙氟橡胶O型圈在模拟工况下服役后力学性能下降,承压状态下橡胶材质的腐蚀损伤比自由状态的损伤程度小,气相环境中的腐蚀比液相环境严重,实验结果呈现出较好的规律性,建议将模拟井筒承压状态下橡胶材质的力学性能衰减程度作为腐蚀损伤的主要考察指标进行材质优选。
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| 关 键 词： | 四丙氟橡胶 O型圈 腐蚀 承压状态 力学性能 |
| 收稿时间： | 2018/3/2 0:00:00 |
Corrosion mechanism of terafluoroethylene-propylene rubber O-ring in simulated wellbore condition |
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| Wang Jinchang,Deng Xuefeng,Zeng Dezhi,Yu Zhiming,Li Tan and Qi Yadong.Corrosion mechanism of terafluoroethylene-propylene rubber O-ring in simulated wellbore condition[J].Chemical Engineering of Oil and Gas,2018,47(4):77-82. |
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| Authors: | Wang Jinchang Deng Xuefeng Zeng Dezhi Yu Zhiming Li Tan and Qi Yadong |
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| Affiliation: | Petroleum Engineering Technology Institute of Sinopec North China Petroleum Bureau, Zhengzhou, Henan, China;State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China,Petroleum Engineering Technology Institute of Sinopec North China Petroleum Bureau, Zhengzhou, Henan, China;State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China,State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China,State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China,CNOOC Changzhou Paint and Coatings Industry Research Institute,Changzhou,Jiangsu,China and State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan, China |
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| Abstract: | |
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| Keywords: | terafluoroethylene-propylene rubber O-ring corrosion compression set mechanical property |
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