8-1/2“9-7/8”GX-K型套管下部随钻扩孔器的设计
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摘要
本课题是对“套管下部井眼随钻扩孔器”的设计研制技术进行研究。以往钻井过程中,其下部井眼直径都必须小于上一层套管的内径,这种常规的钻井程序将对相应套管的顺利下入和完井带来极大地不便,很大程度上随着超深井、大斜度井、大位移井多底井等复杂井数量的增多,特别是海洋深水钻井的发展,使得井身结构越来越复杂,套管层序越来越多,各层套管与钻出井眼的间隙越来越来小,这样将直接影响到下套管和固井作业,也直接影响到完井作业和油气开发。可是我国复杂钻井日益增多,海洋石油也开始向深水迈步,对套管下部随钻扩孔器的需求迫在眉睫,为打破国外垄断,研制具有我国自主知识产权的套管下部随钻随钻扩孔器TGX-K是非常有必要的。
根据所要求的技术经济校核指标利用二维软件AUTOCAD和三维软件PRO/E绘制出TGX-K型套管下部随钻扩孔器的结构尺寸,然后根据该刀具的工作环境选定刀具各个零部件的材质,根据前面设计的尺寸和选材利用一些基本校核公式以及ANSYS校核软件对一些主要零部件进行受力分析,在进行ANSYS受力分析时将模型进行等效简化,这样可以有利于网格的划分,使结果更为准确。
This topic is researching for the design of "enlarge-while-drilling under the casing" , In the previous drilling process, The lower part borehole diameter must be less than a layer of the inner diameter of the casing, While the conventional drilling program will bring greatly inconvenience for the corresponding casing down into the well and completion, Largely as the creasing of complex well such as the super deep wells, the high-deviated wells and the highly-displacement wells and so on, Especially as the development of Marine deep-water drilling, Make the well body structure more and more complex, more and more casing stratigraphy, more small clearance between each layer casing and the holes, This will directly affect the casing and cementing operations and the completion homework and development of oil and gas, But our complex drilling are increasing, Offshore oil also began to stepped into deep-water, It’s imminent for the enlarge-while-drilling tools under the casing, For breaking foreign monopoly, It’s very necessary to develope our TGX - K enlarge-while-drilling tool under casing with our independent intellectual property.
Design and drawing the structure and size of the enlarge-while-drilling tool using 2d software AUTOCAD and 3d software PRO/E according to the requirements of the technical and economic index, Then selection the material of the tool according to the work environment it works in and check on the strength of the main parts using some basic check formula and ANSYS software according to the previous designed size and selectioned material, when we make the ansys analysis we should equivalent and simplified the model which can conducive to grid division and make the results more accurate.
根据所要求的技术经济校核指标利用二维软件AUTOCAD和三维软件PRO/E绘制出TGX-K型套管下部随钻扩孔器的结构尺寸,然后根据该刀具的工作环境选定刀具各个零部件的材质,根据前面设计的尺寸和选材利用一些基本校核公式以及ANSYS校核软件对一些主要零部件进行受力分析,在进行ANSYS受力分析时将模型进行等效简化,这样可以有利于网格的划分,使结果更为准确。
This topic is researching for the design of "enlarge-while-drilling under the casing" , In the previous drilling process, The lower part borehole diameter must be less than a layer of the inner diameter of the casing, While the conventional drilling program will bring greatly inconvenience for the corresponding casing down into the well and completion, Largely as the creasing of complex well such as the super deep wells, the high-deviated wells and the highly-displacement wells and so on, Especially as the development of Marine deep-water drilling, Make the well body structure more and more complex, more and more casing stratigraphy, more small clearance between each layer casing and the holes, This will directly affect the casing and cementing operations and the completion homework and development of oil and gas, But our complex drilling are increasing, Offshore oil also began to stepped into deep-water, It’s imminent for the enlarge-while-drilling tools under the casing, For breaking foreign monopoly, It’s very necessary to develope our TGX - K enlarge-while-drilling tool under casing with our independent intellectual property.
Design and drawing the structure and size of the enlarge-while-drilling tool using 2d software AUTOCAD and 3d software PRO/E according to the requirements of the technical and economic index, Then selection the material of the tool according to the work environment it works in and check on the strength of the main parts using some basic check formula and ANSYS software according to the previous designed size and selectioned material, when we make the ansys analysis we should equivalent and simplified the model which can conducive to grid division and make the results more accurate.
引文
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[3]剪树旭,文均红,王向东,等.国产扩孔器研究应用现状及展望[J].石油矿场机械,1993,16(5) :24-26.
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[8] Chris Nussbaum.Expandable liner hanger is technology enabler[J]. E&P,2007, 80(6) :55-56.
[9] Ron Nida,Raymund Meijs,Shawn Reed.Innovative expandable liner hanger application saves time on pinedale anticline drilling operations[R].SPE/IADC9019 2,2004.
[10]吴时国.世界深水油气勘探进展与我国南海深水油气前景[J].天然气地球科学,2005,16(6): 6693-699.
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[16]畅元江.深水钻井隔水管设计方法及其应用研究[D].中国石油大学(华东),2008,6.
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[19]武丽.机械产品的现代设计方法及其创新[J].科技创新报,2008,33: 184-185.
[20]卢险锋.现代设计方法的定义及一级分类[J].南昌大学学报(工学版),2009,31(3): 75-79.
[21]纪雪洪,陈荣秋,唐中君.三维并行工程组织模块化产品开发[J].工业工程与管理, 2005,10(6): 71-73,78.
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[23]张宝辉,龚京忠,李国喜等.产品模块化设计中的功能模块划分方法研究[J].组合机床与自动化加工技术,2004,9: 55-57,59.
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[38]尚晓江,邱峰,赵海峰等.ANSYS结构有限元高级分析方法与范例应用(第二版)[M].中国水利水电出版社,2008,5.
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[40] Sun Chunfang. Analysis of the Fatigue Property of Screw Thread in Maglev[J]. Urban Mass Transit,2009,2: 50-52.
[41] LiYiliang,Zhang Lixin,Gaoxiangqiang.The Reliability Model of Expandable Screw Connection[J]. Technology Supervision in Petroleum Industry,2009,1: 37-39.
[42]齐俊林,罗维东,张宏等.圆螺纹套管接头上扣与滑脱的数值模拟[J].石油大学学报,1998,22(4): 68～71.
[43] Zhao Hua.Analysis of the load distribution in a bolt-nut connector[J].Computer and Structures,1994,53: 1465-1472.
[44]方栋,陈继志.高强度螺栓螺纹根部应力集中的有限元分析[J].材料开发与应用, 2007,22(2): 37-39.
[45]吕英民,陈海亮,仇伟德.材料力学(Ⅰ)[M].东营;中国石油大学出版社,2007,2.
[46]薛强,苗德华.钢轨接头螺栓的有限元应力集中分析[J].铁道标准设计,2004,4: 70-72.
[47]白卫卫,苗德华等.螺母外形结构对螺栓疲劳强度的影响[J].机械研究与应用,2004,17(6): 27-28,30.
[48]公制、美制和英制螺纹标准手册编委会编著.公制、美制和英制螺纹标准手册[M].北京:中国标准出版社,2004.
[49]李洪乾,王人旭.套管试压影响因素分析[J].石油钻探技术,1994,2: 44-46.
[50]葛松,王宏伟.井下工具密封设计分析[J].石油矿场机械,2007,36(7): 62-64.
[51]卢黎明. O形密封圈的压缩率对其密封性能的影响[J].华东交通大学学报,2003,20(2): 9-11.
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