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Year of Publication 07.05.2024
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Casing righting manipulator and system thereof
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Year of Publication 12.03.2024
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Swing arm structure, screw thread oil smearing structure and iron roughneck
WANG WEI, CHAI JUNQING, LIAO GUOYONG, WANG LIN, HE LIANXIA, ZHOU WENHUI
Year of Publication 28.03.2023
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Year of Publication 28.03.2023
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Screw thread oil smearing device, screw thread oil smearing structure and iron roughneck
WANG WEI, CHAI JUNQING, LIAO GUOYONG, WANG LIN, HE LIANXIA, ZHOU WENHUI
Year of Publication 29.11.2022
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Year of Publication 29.11.2022
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Fixed anti-falling device used during installation of vertical pipeline
WANG JIE, XU FENGFEI, YANG HONGCHANG, TAO ZHONGCHENG, HE LIANXIA, TAN WEI, WEI YUEHONG, MOU JIANPING
Year of Publication 02.05.2023
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Year of Publication 02.05.2023
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Clamp body assembly for clamping drill rod and iron roughneck
WANG WEI, LIAO GUOYONG, LI MINGYU, HE LIANXIA, LI MIN, ZHOU YU, DENG JIANJUN, WANG HAN
Year of Publication 10.11.2023
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Year of Publication 10.11.2023
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Automatic control sea valve
JIANG GUO, LENG MAOTIAN, SONG GUOPING, HE LIANXIA, DENG XIAONING, YANG ZHENHUA
Year of Publication 11.01.2022
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Year of Publication 11.01.2022
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Winch
FANG ZHIXIAN, LU XIAOLIN, ZHAO XIAOKUI, HE LIANXIA, YIN HUA, LIAO YUHUA
Year of Publication 10.05.2017
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Year of Publication 10.05.2017
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Winch
FANG ZHIXIAN, LU XIAOLIN, ZHAO XIAOKUI, HE LIANXIA, YIN HUA, LIAO YUHUA
Year of Publication 22.02.2017
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Year of Publication 22.02.2017
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