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pro vyhledávání: '"Shen, Baoming"'
Autor:
Hongxing Wang, Wang Tong, Zhang Baozhong, Shen Baoming, Sun Hong, Xiufeng Zhu, Yanling Cao, Ge Dongyuan
Publikováno v:
All Days.
For 5½″casing medium curvature of radius in the horizontal wells, sucker rod pump can not be down to the horizon part of the wells. It can not overcome the eccentric wear problems of rods and pipe. The no-rod lifting technology for horizontal part