Cement erosion process with recyclable sand particle water-jet impacts
Zhao, Jian, Sun, Baojing, Chang, Fangrui, Han, Xiaoqiang, Qi, Ning, Xu, Yiji, Yin, Hailiang, Deng, Dawei
Published in Journal of cleaner production (10.04.2021)
Published in Journal of cleaner production (10.04.2021)
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Journal Article
Characterization and mechanism of cutter parameters in tubing milling
Zhao, Jian, Sun, Baojing, Chang, Fangrui, Han, Xiaoqiang, Liao, Hualin, Shi, Fengxia, Xu, Yiji
Published in Geoenergy Science and Engineering (01.03.2023)
Published in Geoenergy Science and Engineering (01.03.2023)
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Journal Article
De novo assembly and comparative analysis of root transcriptomes from different varieties of Panax ginseng C. A. Meyer grown in different environments
Zhen, Gang, Zhang, Lei, Du, YaNan, Yu, RenBo, Liu, XinMin, Cao, FangRui, Chang, Qi, Deng, XingWang, Xia, Mian, He, Hang
Published in Science China. Life sciences (01.11.2015)
Published in Science China. Life sciences (01.11.2015)
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Journal Article
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
Underground operation vehicle-mounted liquid level monitoring and automatic liquid filling device
CHANG FANGRUI, LI ZENGWEI, WANG QI, ZHANG NING, ZHANG WENHUA, BAI RUIYI, SUN BAOJING
Year of Publication 02.07.2024
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Year of Publication 02.07.2024
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
Plug drilling device for cement plug drilling
CHANG FANGRUI, YIN RUI, ZHANG ZAIPENG, WANG QI, HAN XIAOQIANG, SUN BAOJING, ZHANG XIANCHAO
Year of Publication 12.07.2022
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Year of Publication 12.07.2022
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
Double-self-sealing continuous circulating sand washing device and construction method thereof
CHANG FANGRUI, HU BO, ZHAO FAWU, LI MING, YANG GUANGJIAN, QIAN YUDONG, WU XIUHUA, SUN BAOJING, LIU SHAOLIANG
Year of Publication 08.03.2024
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Year of Publication 08.03.2024
Patent
Flexible guide device for drilling and grinding operation of casing curved well
LI RUQIANG, CHANG FANGRUI, LI YUBAO, ZHU YINGHUI, LIU YUGUO, WEI WEI, DONG JIANGUO
Year of Publication 17.03.2023
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Year of Publication 17.03.2023
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
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
Semi-sealing and full-sealing integrated flashboard blowout preventer
CHANG FANGRUI, CHOI HEON-MIN, WANG QI, WU XIUHUA, SUN BAOJING, DU HANSONG, LIU JINMING
Year of Publication 25.04.2023
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Year of Publication 25.04.2023
Patent