油水井生产作业杆管柱力学及软件开发

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1、-2.2.4井筒中管柱与液体之间的摩擦力.........................................................................152.2.5压裂酸化管柱内及环空水力计算.........................................................................152.2.6封隔器活塞效应产生的轴向阻力.................................................

2、........................172.3抽油机井抽油杆柱受力分析.........................................................................................182.3.1抽油杆柱重力........................................................................................................192.3.2抽油杆

3、柱浮力........................................................................................................192.3.3惯性载荷................................................................................................................202.3.4柱塞液体载荷..............

4、..........................................................................................202.3.5抽油杆与液体之间的摩擦力.................................................................................252.3.6液柱与油管之间的摩擦力.................................................

5、....................................262.3.7液体流过游动阀的阻力.........................................................................................262.3.8泵柱塞与泵筒之间的摩擦力.................................................................................262.4本章小结......

6、...................................................................................................................27第3章油水井生产作业杆管柱接触问题的有限元分析模型............................................283.1有限元分析简介...........................................................

7、..................................................283.1.1单元技术................................................................................................................293.1.2有限元分析步骤......................................................................

8、..............................293.2油水井作业杆管柱空间梁单元计算模型.....................................................................313.2.1结构的离散化与位移函数的选择...........................................................