Large-drift-diameter fishable sealing hanger
WANG FENKANG, ZHENG YANSHENG, CHANG FANGRUI, SUN LIANG, YANG GUANGJIAN, SUN BAOJING, WANG SONG
Year of Publication 16.07.2024
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Year of Publication 16.07.2024
Patent
Large-drift-diameter supporting sealer capable of being repeatedly set
WANG FENKANG, CHANG FANGRUI, SUN LIANG, YANG GUANGJIAN, SUN BAOJING, WANG SONG, LI HUABIN
Year of Publication 09.07.2024
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Year of Publication 09.07.2024
Patent
Particle jet cutting device for oil well
WANG FENKANG, CHANG FANGRUI, ZHANG JUN, HAN XIAOQIANG, YANG GUANGJIAN, ZHU ZHI, SUN BAOJING
Year of Publication 16.08.2022
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Year of Publication 16.08.2022
Patent
Ball centralizer
WANG FENKANG, YANG GUANGJIAN, SUN BAOJING, DU HANSONG, WANG PANQIANG, LI DAWEI
Year of Publication 07.06.2022
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Year of Publication 07.06.2022
Patent
Open hole abandoned well plugging process pipe column and plugging method
WANG FENKANG, CHANG FANGRUI, ZHOU YONG, ZHANG ZAIPENG, LI ZENGWEI, SHI ZHONGQING, HAN XIAOQIANG, YANG GUANGJIAN, SUN BAOJING, MA QINGMING
Year of Publication 08.03.2024
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Year of Publication 08.03.2024
Patent
Wellhead centralizing device for sleeve taking and replacing construction
WANG FENKANG, FENG BAOHUA, YANG GUANGJIAN, ZHANG NING, SUN BAOJING, DU HANSONG, SUI XIUJIE, ZHANG XIANCHAO
Year of Publication 13.12.2022
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Year of Publication 13.12.2022
Patent
Powerful milling fishing cone
WANG FENKANG, CHANG FANGRUI, XIN BO, SONG YONG, JING YUANDONG, YANG GUANGJIAN, DU HANSONG, LIU SHAOLIANG
Year of Publication 21.10.2022
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Year of Publication 21.10.2022
Patent
Tapered drilling and milling integrated tool
WANG FENKANG, CHANG FANGRUI, YANG GUANGJIAN, WU XIUHUA, SUN BAOJING, WANG PANQIANG, LIU SHAOLIANG, LI DAWEI
Year of Publication 21.10.2022
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Year of Publication 21.10.2022
Patent
Pipe falling object milling tool
WANG FENKANG, HU QIZHI, ZHANG ZAIPENG, HAN XIAOQIANG, YOU GUANQUN, ZHANG XIANCHAO, LI DAWEI
Year of Publication 12.07.2022
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Year of Publication 12.07.2022
Patent
Cylindrical strong magnetic fishing tool
WANG FENKANG, CHANG FANGRUI, YIN RUI, WANG QI, YANG GUANGJIAN, DU HANSONG, LIU JINMING
Year of Publication 07.06.2022
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Year of Publication 07.06.2022
Patent
Double-seal rotary self-sealing rubber core
WANG FENKANG, CHANG FANGRUI, YANG GUANGJIAN, FAN CHAOPENG, SUN BAOJING, DU HANSONG, WANG SONG, LIU SHAOLIANG
Year of Publication 07.06.2022
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Year of Publication 07.06.2022
Patent
Hydraulic blow out preventer installation dismounting device
WANG FENKANG, WANG XUEJUN, LI ZENGWEI, XIA LIGUO, ZHANG GUANGHUI, LI HUABIN
Year of Publication 03.02.2016
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Year of Publication 03.02.2016
Patent
Electric conveying device for oil pipe
SHAO XUANTAO, WANG FENKANG, FENG BAOHUA, SUN LIANG, YANG GUANGJIAN, WU XIUHUA, ZHANG WENHUA, XU HEQIAN, LIU SHAOLIANG
Year of Publication 21.10.2022
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Year of Publication 21.10.2022
Patent
Sucker rod socket in oil pipe
WANG FENKANG, JI SHUJUN, WANG CHANGYONG, LI ZENGWEI, XIA LIGUO, WU CHUNTAO, LI HUABIN
Year of Publication 11.11.2015
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Year of Publication 11.11.2015
Patent
Universal high pressure is switched political loyalty
WANG FENKANG, CHANG FANGRUI, XIA LIGUO, ZHANG GUANGHUI, CHANG MINGBO, LI HUABIN
Year of Publication 26.01.2018
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Year of Publication 26.01.2018
Patent
Wafer valve switching device under light maintenance operation well head operation panel
WANG FENKANG, ZHANG ZAIPENG, XIA LIGUO, LI LONGJIANG, BAI RUIYI, LI HUABIN
Year of Publication 26.01.2018
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Year of Publication 26.01.2018
Patent
Casing spider pincers
WANG FENKANG, LIU YUANZHENG, XIA LIGUO, ZHANG GUANGHUI, TAN DONGDONG, CHANG MINGBO, LI HUABIN
Year of Publication 01.03.2017
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Year of Publication 01.03.2017
Patent
Chuck is proclaimed oneself to light maintenance kelly
FENG LIANG, WANG FENKANG, XIA LIGUO, CHANG YANBIN, ZHANG GUANGHUI, HUANG CHUN, LI HUABIN
Year of Publication 22.02.2017
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Year of Publication 22.02.2017
Patent
Unconventional tube type fallen object fishing spear
WANG FENKANG, ZHANG ZHENSHAN, LIU ZHIHUA, XIA LIGUO, LIU GUANGYOU, ZHANG GUANGHUI, LI HUABIN
Year of Publication 26.03.2014
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Year of Publication 26.03.2014
Patent
Fishing spear special for packer
WANG FENKANG, XIANG QINGMING, BI YUFENG, LI ZENGWEI, XIA LIGUO, LI HUABIN, SUN YANJUN
Year of Publication 26.03.2014
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Year of Publication 26.03.2014
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