[1]王建军,路彩虹,贺海军,等.气藏型储气库管柱选用与评价[J].石油管材与仪器,2019,5(02):26-29.[doi:10.19459/j.cnki.61-1500/te.2019.02.006]
 WANG Jianjun,LU Caihong,HE Haijun,et al.Selection and Evaluation of Pipe String in Underground Gas Storage with Gas Reservoirs[J].Petroleum Tubular Goods & Instruments,2019,5(02):26-29.[doi:10.19459/j.cnki.61-1500/te.2019.02.006]
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气藏型储气库管柱选用与评价
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《石油管材与仪器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
5
期数:
2019年02期
页码:
26-29
栏目:
储气库专题
出版日期:
2019-04-20

文章信息/Info

Title:
Selection and Evaluation of Pipe String in Underground Gas Storage with Gas Reservoirs
文章编号:
2096-0077(2019)02--0026-04
作者:
王建军1路彩虹1贺海军2孙建华3吴学虎4李方坡1
1. 中国石油集团石油管工程技术研究院,石油管材及装备材料服役行为与结构安全国家重点实验室 陕西 西安 710077;2.中国石油大庆油田有限责任公司采油工程研究院 黑龙江 大庆 163453;3. 中国石化中原储气库有限责任公司 河南 濮阳457001;4.中国石油长庆油田分公司储气库管理处 陕西 榆林 718500
Author(s):
WANG Jianjun1LU Caihong1HE Haijun2SUN Jianhua3WU Xuehu4LI Fangpo1
1.CNPC Tubular Goods Research Institute, State Key Laboratory for Performance and Structural Safety of Petroleum Tubular Goods and Equipment Materials,Xi′an, Shaanxi 710077, China;2. PetroChina Daqing Oilfield Production Engineering & Research Institute, Daqing, Heilongjiang 163453, China;3. SINOPEC Zhongyuan Gas Storage Co. Ltd., Puyang, Henan 457001, China;4.Gas Storage Management Office,PetroChina Changqing Oilfield Company, Shaanxi, Yulin 718500, China
关键词:
地下储气库管柱交变载荷气密封螺纹低含水腐蚀
Keywords:
underground gas storage pipe string alternating loadgastight thread low water contentcorrosion
分类号:
TE972.2
DOI:
10.19459/j.cnki.61-1500/te.2019.02.006
文献标志码:
A
摘要:
对中国石油6座储气库详细调研,发现储气库井工况与常规气井相比差异较大,其明显特征是载荷交变和低含水工况,但在储气库井管柱设计选材评价中并未凸显这一特征,造成储气库井管柱泄漏和腐蚀发生。同时分析现有气密封试验和腐蚀选材标准,发现现有气密封螺纹接头多在40%左右施加压缩载荷进行气密封试验,且腐蚀试验均在100%液体环境,已不适用于储气库管柱的选用,故提出了储气库管柱气密封螺纹接头选择应考虑交变载荷和接头压缩性能,且腐蚀选材应考虑低含水工况。通过对现有储气库管柱载荷计算、气密封循环试验和高温高压釜腐蚀试验,最终给出了交变载荷工况下储气库管柱气密封螺纹接头分级选用技术指标,以及低含水工况下储气库油套管区别耐蚀选材方法,且均纳入了中国石油天然气行业标准。
Abstract:
By a detailed investigation of six Underground Gas Storage (UGS) with gas reservoirs of CNPC, it was found that UGS wells conditions were significantly different from those of conventional gas wells. The obvious features are the alternating load and low watercontent conditions, but they were not highlight in the pipe string design and material selection evaluation in UGS wells, resulting in leakage and corrosion. At the same time, the existing gas sealing test and corrosion resistant material selection standards were analyzed. It was found that the gastight thread connection was tested by applying a 40% compression load and the 100% liquid corrosion environment was still used in corrosion resistant material selection test .Obviously these were not applicable to gas storage pipes. Considering the alternating load and low watercontaining conditions, combined with load calculations of existing pipe string, gas sealing cycle tests of gastight thread connection and hightemperature autoclave corrosion tests of material, the technical specifications for the classification of gastight thread connection and the selection method of corrosion resistant material used in UGS wells are finally given. The special technical specifications of pipe string under alternating load and low watercontaining conditions in UGS wells have been incorporated into the Chinese oil and gas industry standards.

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备注/Memo

备注/Memo:
基金项目:中国石油天然气集团公司重大项目“储气库完整性关键技术研究”(编号:2015E-4006)。 第一作者简介:王建军,男,1979年生,高级工程师,国家注册安全评价师,2015年毕业于中国石油大学(华东)安全技术及工程专业,获博士学位,主要从事油气井管柱安全评价技术研究。E-mail:wg_j_jun@163.com
更新日期/Last Update: 2019-04-25