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Composite material and preparation method thereof, wear-resistant anticorrosive coating and application
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Valve assembly is taken out in oil pipe examination
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A horizontal well sand washing section of thick bamboo
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Anti - pulling apparatus that pressurizes of oil pipe
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A contrary device that ends for small casing well cementation, shutoff
PAN TAO, DU LIANGHUI, WANG RENQIAN, WANG XIUSHUAI, HAO JIANGUANG, HU LIANGLIANG
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Year of Publication 23.11.2016
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Trade well head sealing device
LUO XINHUI, ZOU HUIJU, DU LIANGHUI, CHEN YONG, LI JUN, WANG RENQIAN, JIANG YU, HAO JIANGUANG
Year of Publication 30.03.2018
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Year of Publication 30.03.2018
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