Oil exuding preventing device for oil tank and oil tank
LI ZHIGUO, MA PINGYUAN, YUAN WEI, CHEN SHUPING, ZHUANG HANDONG, CHANG FENGWEI, ZHONG LIANG, TAO XIN, YANG WENXUE, DIAO WANGKE
Year of Publication 08.04.2015
Get full text
Year of Publication 08.04.2015
Patent
Production tree and self -blowing well oil production system
SHEN TINGTING, MA PINGYUAN, LI JUNQIANG, ZHANG JIAN, KAN XINGDONG, ZHAO WEI, YANG WENXUE, DIAO WANGKE, ZHANG JING
Year of Publication 03.08.2018
Get full text
Year of Publication 03.08.2018
Patent
A liquid collection device for taking out oil well wellhead
ZHANG TAO, FEI HONGWEI, GUO TIE, LI HAIJUN, LI HAIBIN, WANG WENJIANG, MIAO YUNHAI, DIAO WANGKE
Year of Publication 06.04.2016
Get full text
Year of Publication 06.04.2016
Patent
Well mouth thickened oil recovery device
ZHANG JIANBING, YANG KEXUE, YUAN WEI, CHEN SHUPING, CAI GUOQING, WANG ZHIGANG, YANG WENXUE, LIU YONG, ZHOU XINGCHENG, DIAO WANGKE
Year of Publication 05.02.2014
Get full text
Year of Publication 05.02.2014
Patent
Wire tightening device for adjusting belt pulley of beam-pumping unit
CAI ZHENGGUO, FEI HONGWEI, LIU WENJUAN, CHEN HUI, REN ZHILONG, DIAO WANGKE
Year of Publication 14.11.2012
Get full text
Year of Publication 14.11.2012
Patent
Oil feeding automatic exhaust hopper of reduction box of oil delivery pump
WANG XIAOLIN, KOU XIULING, ZHAO LIANG, KOU YONG, WANG GUIBING, DIAO WANGKE
Year of Publication 24.10.2012
Get full text
Year of Publication 24.10.2012
Patent