... 2.3.14管道系统piping system 2.3.15 副管looped pipeline 《输油管道工程设计规范GB50253-2003》 ...
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介绍了一种适用于浅层超稠油水平井的副管生产测井新技术。
A new technology of production logging with looped pipeline was introduced to suit to sallow horizontal well with viscous oil.
结果：观察到的侧副管有5型：根管侧支、根尖分歧、根尖分叉、管间吻合和旁管。
Result: 5 types of accessory canals were observed, the incidence of each type in different root canal systems was assessed.
本发明还涉及密封管道外螺纹的制造方法、制造装置以及导入式过盈配合管螺纹副管件。
The invention also relates to a method and a device for manufacturing the external thread of the sealing pipeline and a thread pair pipe fitting of a guide-type interference fit pipe.
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