桥塞坐封过程仿真模拟研究
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摘要
桥塞作为井下封层技术的关键设备,由于它施工工序少、周期短、卡封位置准确而得到了广泛应用。针对设计的可钻式非金属桥塞坐封过程开展模拟研究,涉及弹塑性材料接触、超弹性材料接触和非金属材料动态断裂的非线性动力学问题,利用有限元法建立该桥塞全尺寸模型和所有部件之间的广义接触关系,通过有限元模拟动态坐封过程获得桥塞各部件运动变形特性、桥塞与套管之间的密封特性和动态坐封力等数据,该桥塞坐封完成时,坐封机构部件轴向位移110 mm,坐封力约45 kN。模拟坐封也为进一步优化该型桥塞的结构和评估坐封性能提供了理论依据,对该型桥塞的推广应用奠定了基础。
The bridge plug is the key equipment of downhole sealing layer technology,which is widely used because of the advantages of less construction process,short period,and accurate sealing position.The setting process of A-type drillable nonmetallic bridge plug was simulated which involvs the general contact of elastic-plastic material,the nonlinear dynamics of the super-elastic material contact and non-metallic materials,dynamic fracture.With the finite element method,we establish the generalized contact relationship between the full-size model of the bridge plug and all the parts.The finite element simulation result includes dynamic movement and deformation characteristics of various components of the bridge plug,bridge plug and the casing between the sealing characteristics and dynamic setting closure force data.The setting axial displacement of the bridge plug was 110 mm and setting force near 45 kN.The result was also a theoretical basis for further optimization of the structure and assessment of the bridge plug and setting performance for application in oilfield.
The bridge plug is the key equipment of downhole sealing layer technology,which is widely used because of the advantages of less construction process,short period,and accurate sealing position.The setting process of A-type drillable nonmetallic bridge plug was simulated which involvs the general contact of elastic-plastic material,the nonlinear dynamics of the super-elastic material contact and non-metallic materials,dynamic fracture.With the finite element method,we establish the generalized contact relationship between the full-size model of the bridge plug and all the parts.The finite element simulation result includes dynamic movement and deformation characteristics of various components of the bridge plug,bridge plug and the casing between the sealing characteristics and dynamic setting closure force data.The setting axial displacement of the bridge plug was 110 mm and setting force near 45 kN.The result was also a theoretical basis for further optimization of the structure and assessment of the bridge plug and setting performance for application in oilfield.
引文
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[15]田志宏,朱万雨,王群立,等.KCY453防中途坐封可钻桥塞在水平井的应用[J].石油机械,2009,37(10): 54-57. Tian Zhihong,Zhu Wanyu,Wang Qunli,et al.Application of the KCY453 mid-way-setting prevention drillable bridge plug in horizontal wells[J].CPM,2009,37(10): 54-57.
[16]徐兴权.一种新型的双向承压可取式桥塞的研究[J].长江大学学报:自然科学版,2009,6(2):54-56. Xu Xingquan.Research on an new retrievable bilateral bearing pressure bridge plug[J].Journal of Yangtze University: Natural Science Edition,2009,6(2):54-56.
[17]李俊,刘川生,王永兰.机械桥塞座封工艺研究[J].内蒙古石油化工,2010(12):90-92. Li Jun,Liu Chuansheng,Wang Yonglan.Research on mechanical plug technology[J].Inner Mongolia Petrochemical Industry,2010(12):90-92.
[18]李学平,蒋春光,杨海波.欠平衡钻磨桥塞施工工艺[J].天然气勘探与开发,2010,33(1):76-79. Li Xueping,Jiang Chunguang,Yang Haibo.Underbalanced drilling bridge plug[J].Natural Gas Exploration & Development,2010,33(1):76-79.
[2]张有义,孙焕引.几种新型桥塞技术简介[J].油气井测试,1996,5(2):70-73.
[3]郭红峰,卜震山,秦长青.桥塞堵漏工艺及堵剂研究[J].石油钻探技术,2000,8(5):39-40.
[4]陈宁,李颖,赵春林.新型桥塞的研制与应用[J].钻采工艺,2000,23(4):68-70.
[5]张恩伦,刘化国,杨玉生.桥塞封层工艺技术的发展[J].石油机械,2001,29(10):47-49. Zhang Enlun,Liu Huaguo,Yang Yusheng.Development for zonal isolation technology with bridge plug[J].CPM, 2001,29(10):47-49.
[6]卢琳,张麦云,林军良.Halliburton机械桥塞的改进与应用[J].油气井测试,2004,13(2):65-66. Lu Lin,Zhang Maiyun,Lin Junliang.Development and application for halliburton mechanical plug[J].Well Testing, 2004,13(2):65-66.
[7]周承民,刘志华,刁刚田.QSA型可捞可钻式桥塞的设计与使用[J].石油矿场机械,2004,33(3):90-91. Zhou Chengmin,Liu Zhihua,Diao Gangtian.Design and application of model QSA fishable-drillable bridging plug[J].Oil Field Equipment,2004,33(3):90-91.
[8]吴恩成,赵骊川,张书进.Y422可取压裂桥塞的研制与应用[J].石油机械,2005,33(12):34-35. Wu Encheng,Zhao Lichuan,Zhang Shujin.Development and application of Y422 retrievable bridge-plug used for fracture[J].CPM,2005,33(12):34-35.
[9]侯万勇,王洋,李小军.Y455(3)可取可钻高压桥塞的研究与应用[J].新疆石油科技,2007,17(1):34-36. Hou Wanyong,Wang Yang,Li Xiaojun.The research and application of the drill-high pressure Y455(3) bridge plug for retrievable and drillable[J].Xinjiang Petroleum Science & Technology,2007,17(1 ):34-36.
[10]赵喜民,张林,陈建刚.可捞式桥塞在水平井分段隔离压裂上的应用[J],石油机械,2008,36(2):56-58. Zhao Ximin,Zhang Lin,Chen Jiangang.Application of fishable bridge plug in staged isolation fracturing in horizontal well[J].CPM,2008,36(2):56-58.
[11]王维刚,朱君.可取桥塞卡瓦锚爪的力学分析[J].石油机械,2008,36(11):16-19. Wang Weigang,Zhu Jun.Mechanics analysis of the slipfluke in retrievable bridge plug[J].CPM,2008,36(11 ): 16-19.
[12]郝增贤,肖中海,李民乐.水平井桥塞分层试油工艺技术[J].石油矿场机械,2009,38(1):91-92. Hao Zeng xian,Xiao Zhonghai,Li Minle.The subdivision test technology for bridge plug in horizontal well[J]. Oil Field Equipment,2009,38(1):91-92.
[13]徐建.可取式桥塞研制与应用[J].石油钻采工艺,2009, 31(3):114-118. Xu Jian.Development and application of retrievable bridge plugs[J].Oil Drilling & Production Technology, 2009,31(3):114-118.
[14]徐克彬,张连朋,吉鸿波.高压复合材料桥塞应用实践[J].油气井测试,2009,18(3):63-65. Xu Kebin,Zhang Lianpeng,Ji Hongbo.Application of bridge plug made of high pressure composite material[J]. Well Testing,2009,18(3):63-65.
[15]田志宏,朱万雨,王群立,等.KCY453防中途坐封可钻桥塞在水平井的应用[J].石油机械,2009,37(10): 54-57. Tian Zhihong,Zhu Wanyu,Wang Qunli,et al.Application of the KCY453 mid-way-setting prevention drillable bridge plug in horizontal wells[J].CPM,2009,37(10): 54-57.
[16]徐兴权.一种新型的双向承压可取式桥塞的研究[J].长江大学学报:自然科学版,2009,6(2):54-56. Xu Xingquan.Research on an new retrievable bilateral bearing pressure bridge plug[J].Journal of Yangtze University: Natural Science Edition,2009,6(2):54-56.
[17]李俊,刘川生,王永兰.机械桥塞座封工艺研究[J].内蒙古石油化工,2010(12):90-92. Li Jun,Liu Chuansheng,Wang Yonglan.Research on mechanical plug technology[J].Inner Mongolia Petrochemical Industry,2010(12):90-92.
[18]李学平,蒋春光,杨海波.欠平衡钻磨桥塞施工工艺[J].天然气勘探与开发,2010,33(1):76-79. Li Xueping,Jiang Chunguang,Yang Haibo.Underbalanced drilling bridge plug[J].Natural Gas Exploration & Development,2010,33(1):76-79.