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UNIV SOUTHWEST PETROLEUM

Overview
  • Total Patents
    6,168
  • GoodIP Patent Rank
    254
  • Filing trend
    ⇧ 32.0%
About

UNIV SOUTHWEST PETROLEUM has a total of 6,168 patent applications. It increased the IP activity by 32.0%. Its first patent ever was published in 2004. It filed its patents most often in China, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, measurement and basic materials chemistry are CHINA OILFIELD SERVICES LTD, IRANI CYRUS A and CNPC CHUANQING DRILLING ENG CO.

Patent filings per year

Chart showing UNIV SOUTHWEST PETROLEUMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Qingyou 251
#2 Guo Jianchun 215
#3 Wang Guorong 204
#4 Zhao Jinzhou 187
#5 Zhang Liang 164
#6 Ye Zhongbin 161
#7 Tian Jialin 160
#8 Liang Zheng 145
#9 Zhu Xiaohua 131
#10 Zhang Jie 128

Latest patents

Publication Filing date Title
CN112282657A Mixed structure gas drilling bit based on preferential rock breaking in easily-broken area
US2021108122A1 Cross-linked plugging agent stimulated by high density brine and preparing method thereof
CN112228491A Short section damping device is trailed to well orbit
AU2020103953A4 Method and system for predicting production of fractured horizontal well in shale gas reservoir
CN112282751A Geological engineering three-dimensional coupling tight oil gas horizontal well exploitation detection method
CN112282750A Shale gas reservoir geology-engineering double dessert comprehensive identification method
CN112267876A Formation pressure measurement while drilling tool with double packer structures and testing method
CN112253103A Shale gas reservoir fracturing horizontal well yield prediction method based on random fracture model
CN112253055A Backflow-preventing gas lift valve suitable for variable-pressure gas lift process technology
CN112263894A Ionic liquid desulfurization method and device for sulfur-containing gas
CN112282658A Continuous drilling and circulating pouring integrated piling tool
CN112267822A Continuous drilling chip removal pouring integrated piling tool capable of preventing hole collapse
CN112145153A Shale gas well gas production pipe column size optimization method
CN112283471A Natural gas pipeline connecting structure
CN112177557A Remote automatic core changing and sealing real-time monitoring continuous pipe blowout prevention box
CN112145085A Controllable reducing drill bit
CN112284982A Device for evaluating spreading and plugging performance of water plugging agent on gas-water interface of porous medium
CN112228041A Oil well small section flow measuring tool
CN112282749A Gas reservoir exploitation simulation device and method
CN112228156A Tunnel constructor safety monitoring method