The perfect hammer head can be obtained by designing technological equipment, using vertical pouring and string casting process in CO2-sodium silicate sand.
采用CO2硬化水玻璃砂无箱立浇串铸工艺,设计工装,可以获得优质健全的锤头产品。
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.
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。
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。
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