About Dong Shexia
About 中海油田服務股fen有限公司 天津300459
About Li Qiang
About 中海油田服務股fen有限公司 天津300459
About Lu Zhenxing
About 中海油田服務股fen有限公司 天津300459
About Xu Fengxiang
About 中海油田服務股fen有限公司 天津300459
About Xie Tao
About 中海石油(中国)有限公司天津分公司 天津300452
About Zhongguo Haishang Youqi
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About high pressure
About well(oil and gas)
About horizontal well
About high temperature
About packed tower
About reliability(property)
About sealing device
About land(surface of earth)
About cutter
About in-place test
About ケーシング
About 耐圧試験
About horizontal well
About gravel pack
About new top packer
About single lock-ring
About bidirectional slip
About mechanical analysis
About high temperature and high pressure test
About field operation
About Sealing devices
About Pumps,various pumping equipment
About 海上
About 坑井
About 砂利
About 頂部
About シール
About 開発
About 応用