天然气井井下管柱是天然气从井底流至地面的必经通道。
In gas Wells, downhole strings are the inevitable passage through which gas flows from bottom hole to surface.
为了验证试油井下管柱力学理论分析的准确性，研制了井下管柱载荷测试器。
To measure the loads on tubular strings during well testing to verify the accuracy of theoretical calculations, a special measurement meter is initiatively developed.
第三，高温情况下酸液对井下管柱及工具腐蚀性很强，对缓蚀剂性能要求高。
Third, under high temperature condition, the pipes and tools in the well are seriously corroded, so the high temperature corrosion inhibitors are in great need.
在此基础上，分析管柱载荷、应力及轴向变形，为井下管柱的合理设计提供依据。
On this basis, checking to the tubing axial deformation, load and stress calculation method of the former, provide the basis for pipe strings design and a reasonable choice of production parameters.
计算了管柱在不同温度和压力工况下管柱轴力、各节点应力、位移和整个管柱总变形量。
The stress and displacement of each node and total deformation of pipe string are computed which at different temperatures and pressure work conditions.
通过监测，摸清了生产工况下管柱腐蚀的机理、速率和位置，提出了针对性强的防腐措施和方向。
By monitoring, the erode mechanism, speed and position of stem in working procedure has been known and measures and direction to control erode has been suggested.
出砂井落鱼管柱打捞需要对管柱的套铣长度进行选择，针对这一问题建立了井下管柱受力分析计算模型。
When fishing the string fish in sand producer, string milling length should be optimized and a downhole string dynamic analysis model is established to calculate the length.
在高压分层挤注过程中，井下管柱由于承受巨大的轴向力而产生轴向蠕动，容易引起封隔器的解封或破坏，导致注水失败。
In the process of pushing high-pressure water into Wells, the downhole strings may creep, and thus cause packers broken and failed water injection.
针对处理井下油管砂埋遇卡事故作业中出现的技术问题，在分析井下管柱结构及砂粒的水力计算的基础上，提出了空心抽油杆冲砂工艺处理措施。
In accordance with downhole tubing sticking by sand burial accident, this paper proposes hollow rod sand washing after analysis of downhole string structure and hydraulic calculation of sand grain.
针对处理井下油管砂埋遇卡事故作业中出现的技术问题，在分析井下管柱结构及砂粒的水力计算的基础上，提出了空心抽油杆冲砂工艺处理措施。
In accordance with downhole tubing sticking by sand burial accident, this paper proposes hollow rod sand washing after analysis of downhole string structure and hydraulic calculation of sand grain.
应用推荐