储气库注采管柱振动模拟试验及振动规律分析
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摘要
储气库注采管柱在高速气体流动作用下将会产生振动,这种管柱振动来自于气体沿管柱流动产生的流态变化。通过设计模拟试验,测取了不同气体流速、管柱直径、管柱轴向力以及管柱位置等条件下的管柱振动的数据,分析研究了管柱振动的规律,结果表明:①在气体流速恒定时也会诱发管柱振动,并随着气体流速的增大振动强度增大;②当气体流速发生突变时,注采管柱振动将急剧增强;③在同一流量下管柱不同位置振动规律不同。结论认为:通过模拟试验获得了注采管柱振动数据和规律,可以用于指导储气库井注采工程设计、注采管柱安全评估和现场生产运行。
The injection and production pipe string of gas storage will generate vibration under the action of high-speed gas flow. The vibration of this string is caused by the flow state change of gas flowing along the string. In this paper, the data of tube vibration under different gas flow rate, pipe diameter, axial force and pipe position are measured by simulation test. The results show that:①When the gas flow rate is constant, the pipe vibration will also be induced, and the vibration intensity will increase as the gas flow rate increases. ②When the gas flow rate is abrupt, the pipe vibration will increase sharply; ③The string will be different under the same flow rate, and the positional vibration law is different; It is concluded that the vibration data and regularity of injection-production string can be obtained through simulation test, which can be used to guide the design of injection and production parameters such as gas storage wells and natural gas wells, the safety evaluation of injection-production string and the mathematical model of correcting the vibration of injection-production string.
The injection and production pipe string of gas storage will generate vibration under the action of high-speed gas flow. The vibration of this string is caused by the flow state change of gas flowing along the string. In this paper, the data of tube vibration under different gas flow rate, pipe diameter, axial force and pipe position are measured by simulation test. The results show that:①When the gas flow rate is constant, the pipe vibration will also be induced, and the vibration intensity will increase as the gas flow rate increases. ②When the gas flow rate is abrupt, the pipe vibration will increase sharply; ③The string will be different under the same flow rate, and the positional vibration law is different; It is concluded that the vibration data and regularity of injection-production string can be obtained through simulation test, which can be used to guide the design of injection and production parameters such as gas storage wells and natural gas wells, the safety evaluation of injection-production string and the mathematical model of correcting the vibration of injection-production string.
引文
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[3] 丁建东,练章华,丁熠然,等.储气库注采管柱静、动力学安全性评价及软件开发[J].石油钻采工艺,2018,40(2):215-221.
[4] 练章华,徐帅,丁建东,等.储气库注采参数与管柱临界屈曲载荷分析[J].石油钻采工艺,2018,39(1):131-136.
[5]丁建东,李彦卓,李向齐,等.螺杆钻具井下磨铣管柱受力分析及改进设计[J].石油钻采工艺,1999,21(3):89-91.
[6] 黄桢.油管柱振动机理研究与动力响应分析[D].南充:西南石油大学,2005.
[7] 黄桢.天然气在油管柱内流动的漩涡分析与研究[J].钻采工艺,2012,35(1):74-77.
[8] 邓元洲.高产气井油管柱振动机理分析及疲劳寿命预测[D].南充:西南石油大学,2006.
[9] 李瑞涛.高产气井完井管柱力学分析及施工技术研究[D].西安:西安石油大学,2009.
[10] 刘剑辉.大斜度高产气井完井管柱完整性分析与控制技术研究[D].西安:西安石油大学,2010.
[11] AITEN J.An Account of Some Experiments on Rigidity Produced by Centrifugal Force[J].Philosophical magazine,1878,VOL.5:81-105.
[12] 蔡亚西,李黔,黄桢.油管柱固液耦合振动分析[J].天然气工业,1998,18(3):54-57.
[13] 蔡亚西,施太和,王幼金.连续油管柱振动分析[J].西南石油学院学报,1998,20(1):59-61.
[14] 黄桢.高含硫油气井油管柱的动力响应分析[J].钻采工艺,2010,3(6):93-95.
[15] 梁政,邓雄,余孝林.高温高压深井测试管柱横向振动分析[J].油气井测试,1999,8(4):5-10.
[16] 梁春.对抽油井油管柱振动规律的认识[J].石油钻采工艺,2000,22(1):26-36.
[17] 吕彦平.气井油管柱应力与轴向变形分析[J].天然气工业,2008,28(1):100-102.
[18] 蔡佩磊.高产气井油管柱振动与变形研究[D].北京:中国石油大学(北京),2008.
[19] 杨行.高压气井高速流体诱发管柱振动特性分析[D].北京:中国石油大学(北京),2009.