[1]汪海涛,毕宗岳,王维东,等.国产耐蚀连续管性能分析[J].焊管,2023,46(7):58-63.[doi:10.19291/j.cnki.1001-3938.2023.07.008]
 WANG Haitao,BI Zongyue,WANG Weidong,et al.Performance Analysis of Domestic Corrosion Resistant Alloy Coiled Tubing[J].,2023,46(7):58-63.[doi:10.19291/j.cnki.1001-3938.2023.07.008]
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国产耐蚀连续管性能分析()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
46
期数:
2023年第7期
页码:
58-63
栏目:
试验与研究
出版日期:
2023-07-19

文章信息/Info

Title:
Performance Analysis of Domestic Corrosion Resistant Alloy Coiled Tubing
文章编号:
10.19291/j.cnki.1001-3938.2023.07.008
作者:
汪海涛毕宗岳王维东鲜林云王泽宇
1. 中油国家石油天然气管材工程技术研究中心有限公司,西安 710018;
2. 中国石油宝鸡石油钢管有限责任公司,陕西 宝鸡 721008;
3. 陕西省高性能连续管重点试验室,陕西 宝鸡 721008
Author(s):
WANG Haitao BI Zongyue WANG Weidong XIAN Linyun WANG Zeyu
1. Chinese National Engineering Research Center for Petroleum and Natural Gas Tubular Goods Co., Ltd., Xi’an 710018, China; 2. CNPC Baoji Petroleum Steel Pipe Co., Ltd., Baoji 721008, Shaanxi, China; 3. Shaanxi Province Key Laboratory of High Performance Coiled Tubing, Baoji 721008, Shaanxi, China
关键词:
连续管耐蚀合金强度疲劳腐蚀
Keywords:
coiled tubing corrosion resistant alloy strength fatigue corrosion
分类号:
TG113.231;TE931.2
DOI:
10.19291/j.cnki.1001-3938.2023.07.008
文献标志码:
A
摘要:
针对低碳微合金钢连续管在含有H2S、CO2等腐蚀介质的油气田,以及在CCUS作为CO2注入管柱等工况条件下服役时连续管腐蚀严重、疲劳寿命低、易发生脆断等问题,开发了国产耐蚀合金连续管。通过对BSGCT80-2205和BSGCT80-18Cr两种材质的国产耐蚀合金连续管开展力学性能、塑性、抗压、腐蚀等性能检测,全面研究分析了两种连续管的各项性能。结果表明:BSGCT80-2205和BSGCT80-18Cr两种管材整体强度均满足80ksi钢级连续管要求;压扁、扩口试验管材焊缝和母材均未出现开裂,低周大应变疲劳寿命高于同规格90ksi钢级连续管寿命;腐蚀试验证明两种管材适合在含腐蚀介质油气田或作为CO2注入管柱长期服役。
Abstract:
In view of serious corrosion, low fatigue life and brittle fracture of low carbon micro alloyed steel coiled tubing in oil and gas fields containing H2S, CO2 and other corrosive media, or when CCUS is used as CO2 injection string, domestic corrosion resistant alloy coiled tubing have been developed. By mechanical properties, plasticity, compression resistance, and corrosion performance tests on domestic corrosion resistant alloy coiled tubing made of BSGCT80 2205 and BSGCT80 18Cr materials, a comprehensive study was conducted to analyze the various properties of the two types of coiled tubing. The results show that the strength of both BSGCT80 2205 and BSGCT80 18Cr pipes meets the requirements of 80 ksi steel grade coiled tubing. There is no cracking in the weld seam and base material of the flattened and expanded test pipes, and the low cycle high strain fatigue life is higher than that of 90 ksi steel grade coiled tubing of the same specification. Through corrosion tests, it has been proven that the two types of pipes are suitable for long term service in oil and gas fields containing corrosive media or as CO2 injection strings.

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备注/Memo

备注/Memo:
收稿日期:2022-09-08
基金项目: 中国石油天然气股份有限公司科学研究与技术开发项目“二氧化碳规模化捕集、驱油与埋存全产业链关键技术研究及示范”(项目编号2021ZZ01)。
作者简介:汪海涛(1984—),男,高级工程师,硕士研究生,主要从事连续管新产品研发工作。
更新日期/Last Update: 2023-07-19