In the horizontal well of long and middle radius, the drillstring of several thousand meters is in random contact with the bore hole wall in a large area along the well depth, which is a nonlinear contact problem.
用整体钻柱静力模型和间隙元法,分析了长中半径水平井钻柱的接触非线性问题,算出了钻柱与井壁接触摩擦阻力的分布,为水平井井眼轨道设计和施工提供了重要参数。
A large bending stress appeared when the casing passed the bending part of a medium/short radius horizontal well with a big curvature,which reduced the permission compressive strength of casing leading the failure.
研究结果为中短半径水平井弯曲井段套管柱抗挤强度的设计提供参考依据。
Simulation on the influencing factors of bending steering mechanism used in radial horizontal wells;
径向水平井弯曲转向机构影响因素仿真研究
Research of simulation on steering mechanism used in ultrashort radius radial horizontal wells;
超短半径径向水平井转向机构仿真研究
A study of non-radial expand of production tube in radial horizontal well;
不扩孔径向水平井用生产管的可行性分析探讨
By simulation of the drip irrigation technology in mulched cultivation, pointinfiltration experiments are performed under different temperatures, and the influences are analyzed of the temperature on the shape of wetted soil, horizontal wetted radius, vertical wetted depth, and water content of wetted soil.
模拟膜下滴灌技术,进行了不同温度下的点源入渗实验,分析温度对土壤湿润体形状、水平湿润半径、垂直湿润深度以及湿润体含水量的影响。
Research the reason of influence the mediμm radius horizontal well drilling speed in the shallow layer
影响浅层中半径水平井钻井速度的原因探讨
The contact between drillstring and bore hole wall in the process of horizontal drilling is of large area and geometrically nonlinear.
长中半径水平井钻柱与井壁的接触问题是大面积接触的几何非线性问题。
Drilling technology for 3D medium-radius Huanping-3 horizontal well in Changqing Oil Field
长庆油田中半径三维水平井环平3井钻井技术
Residual Collapsing Strength Analysis of Bending Part Casing in Medium/Short Radius Horizontal Wells
中短半径水平井弯曲段套管剩余抗挤强度分析
Application of short radius horizontal well drilling technology in ultra-deep well in Tahe oilfield
小井深超深短半径水平井钻井技术在塔河油田的应用——以TK1105CH井为例
Application of ultra-short radius radial wells drilling technology in wei-5 well.
超短半径辐射分支水平钻井技术在韦5井的应用
Design and application of super-short radius side-tracking technology in SHU1-23-0370CH multilateral horizontal well
超短半径侧钻分支水平井曙1-23-0370CH井设计与施工
medium-radius lateral drilling
中曲率半径侧向钻井
Research and application of the zero-radius water jet radial drilling technology
零半径水射流径向钻井技术的研究与应用
Hydrodynamic Analysis for a Deep-water Semi-submersible Drilling Platform;
深海半潜式钻井平台水动力性能分析
RESEARCH ON STORAGE FORMAT OF MARINE FORMAT ON SEMI-SUBMERSIBLE PLATFORM
半潜式钻井平台隔水管存放形式研究
APPLICATION OF SEMI-ANALYTIC PRODUCTIVITY MODEL OF FRACTURED HORIZONTAL WELL IN LOW PERMEABILITY OIL RESERVOIRS
压裂水平井半解析产能预测方法在低渗透油藏中的应用
Estimation of average pore throat radius by NMR log data
利用核磁共振测井资料计算平均孔喉半径
To Solve the Yield and Influnce Radius of Seepage Well on the River Bed by Hydraulic Flow Net Method
用流网法求解河床渗井的出水量与影响半径
First application of multilateral horizontal well technology to semi-submerged platform
分支水平井技术在半潜式平台的首次应用
Application of compound casing strings to horizontal wells cementing in west Sichuan basin
复合套管固井在川西水平井中的应用
Study on Induction Logging and Electromagnetic Wave Logging Responses in Horizontal Wells
水平井中感应测井、电磁波测井测量响应研究
Orientation Role of Comprehensive Logging Technique in Horizontal Well Drilling in Western Sichuan Basin
综合录井技术在川西水平井钻井中的导向作用