Auxiliary sealing and lubricating device for secondary sealing of high-water-content well
SUN BIAO, HOU JIANPING, KANG RENDE, JIN HUAXIAN, WANG HONGJIANG, REN GUANGXIN
Year of Publication 09.07.2024
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Year of Publication 09.07.2024
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Cable trench accumulated water alarm and automatic drainage device
LIU SHOUCHAO, LI ZHANHU, CAO JINLONG, JIN HUAXIAN, ZHANG HEPENG, GENG LIRONG
Year of Publication 27.10.2023
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Year of Publication 27.10.2023
Patent
Auxiliary sealing and lubricating device for secondary sealing of high-water-content well
SUN BIAO, HOU JIANPING, KANG RENDE, JIN HUAXIAN, WANG HONGJIANG, REN GUANGXIN
Year of Publication 25.04.2023
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Year of Publication 25.04.2023
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Drilling structure for extracting upper corner gas from ground during recovery of lower group coal
YANG YIHAO, WANG LONGWEI, JIN HUAXIAN, BAI YANG, JIAN KUO, GUO CHEN, GUO ZHENYU, YAO CHUNHUI, YANG YANQING, YUN JIAN, LI MI, XIN KAI, JI XIAOFENG
Year of Publication 13.10.2023
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Year of Publication 13.10.2023
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Hydraulic fracturing well body structure of coal-bed gas well
WANG CHUNHUI, YANG YIHAO, JIN HUAXIAN, LI PENGYU, BAI YANG, GUO CHEN, GUO ZHENYU, HUANG FAN, YAO CHUNHUI, YANG YANQING, HOU PEI, SHEN PENGLEI, YUN JIAN, XIN KAI, CHANG HUIZHEN, WEI RUOFEI
Year of Publication 24.01.2023
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Year of Publication 24.01.2023
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Ground anchor and ground pile pulling-out device
WANG QIAOSONG, JIN HUAXIAN, ZHANG LIHUA, ZHU KANGHUA, LI JIN, ZHANG QING, LIU MINGLI, LI JIANG, ZHANG CHUAN
Year of Publication 18.02.2022
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Year of Publication 18.02.2022
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Welding-free pipeline repairing tool
CHEN YAO, WANG QIAOSONG, JIN HUAXIAN, TIAN LEI, CHEN YU, ZHU KANGHUA, MA YUGANG, LI JIANG, TONG KAI, LU YUFENG
Year of Publication 08.02.2022
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Year of Publication 08.02.2022
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A anti -theft device for production tree valve
JIN HUAXIAN, ZHANG LIHUA, HU GUANGJIE, XIE FAJUN, ZHOU JUN, YU YANG, WU XUEDONG
Year of Publication 23.09.2015
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Year of Publication 23.09.2015
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Packing precompressor
JIN HUAXIAN, ZHANG LIHUA, HU GUANGJIE, XIE FAJUN, LI SHUAI, HE ZHENGGANG, WANG XIAOCHUN
Year of Publication 02.09.2015
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Year of Publication 02.09.2015
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Integral development method for horizontal wells of adjacent coal seams in multi-coal-seam development area
SHEN PENGLEI, GUO XU, YANG YIHAO, XIN KAI, JIN HUAXIAN, JI CHANGJIANG, LI YOUYI, GUO ZHENYU, YAO CHUNHUI, WEI RUOFEI
Year of Publication 07.09.2021
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Year of Publication 07.09.2021
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Aperture-adjustable oil nozzle for gas production oil pipe of coal-bed gas well and assembling and disassembling tool
YANG YIHAO, JIN HUAXIAN, YAN DONG, ZHAO RUIXI, GUO CHEN, YAO CHUNHUI, HUANG FAN, HOU PEI, YUN JIAN, SHEN PENGLEI, LU JIA, LI YOUYI, SUN TIANYU
Year of Publication 28.01.2022
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Year of Publication 28.01.2022
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Beam -pumping unit packing gland stopper
CHEN CAN, JIN HUAXIAN, ZHANG LIHUA, YAN DONGHAI, XIE FAJUN, LI QING, ZHU SIYU, SONG ZHENGCONG, WU XUEDONG, WEI LINSHAN, WANG XIAOCHUN
Year of Publication 09.12.2015
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Year of Publication 09.12.2015
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Method suitable for precisely deploying and controlling well bore track of horizontal well
GUO XU, YANG YIHAO, JIN HUAXIAN, BAI YANG, YU ZHENFENG, GUO CHEN, GUO ZHENYU, YAO CHUNHUI, YANG YANQING, HOU PEI, SHEN PENGLEI, YUN JIAN, XIN KAI, JI CHANGJIANG, LI YAO, LI YOUYI, CHANG HUIZHEN, QIN YANFEI
Year of Publication 29.11.2022
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Year of Publication 29.11.2022
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Oil pumping unit packing gland limiter
CHEN CAN, JIN HUAXIAN, ZHANG LIHUA, YAN DONGHAI, XIE FAJUN, LI QING, ZHU SIYU, SONG ZHENGCONG, WU XUEDONG, WEI LINSHAN, WANG XIAOCHUN
Year of Publication 07.10.2015
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Year of Publication 07.10.2015
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Lose and carry bracket with adjustable
GENG DONGYUN, WANG ZHOU, DONG JIE, JIN HUAXIAN, WANG YONGGANG, ZHANG ZHONGBAO, YANG JUN
Year of Publication 19.06.2018
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Year of Publication 19.06.2018
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Glib safe cleansing pin
ZHOU FENG, WANG DONGZHAI, JIN HUAXIAN, ZHANG LIHUA, XIE FAJUN, LI QING, ZHU SIYU, ZHAO GANG, HE ZHENGGANG, LIU YANFU, WU XUEDONG, YANG JUN
Year of Publication 16.12.2015
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Year of Publication 16.12.2015
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Safety nozzle cleaner for oil nozzle
ZHOU FENG, WANG DONGZHAI, JIN HUAXIAN, ZHANG LIHUA, XIE FAJUN, LI QING, ZHU SIYU, ZHAO GANG, HE ZHENGGANG, LIU YANFU, WU XUEDONG, YANG JUN
Year of Publication 25.11.2015
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Year of Publication 25.11.2015
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Beam -pumping unit safety drift
LI KANG, JIN HUAXIAN, YANG ZHENDONG, JI CHENG, WANG YONGGANG, ZHANG ZHONGBAO, YANG JUN, ZHANG CHUAN
Year of Publication 02.10.2018
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Year of Publication 02.10.2018
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Adopt oil well wellhead and support orthotic devices
LIU YI, YAO XIANG, JIN HUAXIAN, JI CHENG, ZHANG ZHONGBAO, YANG JUN, ZHANG CHUAN, ZENG LINGRUI
Year of Publication 11.09.2018
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Year of Publication 11.09.2018
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