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OIL PROD TECH INST SHENGLI OIL

Overview
  • Total Patents
    12
  • GoodIP Patent Rank
    213,025
About

OIL PROD TECH INST SHENGLI OIL has a total of 12 patent applications. Its first patent ever was published in 2008. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry and environmental technology are LEMY CORP, OILFIELD CHEM TECH LTD and FARSTAD OTTO.

Patent filings in countries

World map showing OIL PROD TECH INST SHENGLI OILs patent filings in countries
# Country Total Patents
#1 China 12

Patent filings per year

Chart showing OIL PROD TECH INST SHENGLI OILs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ren Zhanchun 3
#2 Ke An 2
#3 Qi Chuanhe 2
#4 Dengqing Wang 2
#5 Jianping Wu 2
#6 Huang Bo 2
#7 Jing Jiang 2
#8 Zheng Jiafeng 2
#9 Zhang Shixue 2
#10 Yubao Li 1

Latest patents

Publication Filing date Title
CN104449649A High-concentration water-in-oil emulsion-state associating polymer fracturing fluid and preparation method thereof
CN104327825A Micro-emulsion for increasing flow-back rate of fracturing fluid
CN105092383A Packer rubber setting visualization test apparatus
CN102838980A High temperature resistant cleansing emulsion or microemulsion fracturing fluid and preparation method thereof
CN101696629A Physical model test device for evaluating sand preventing process of vertical well
CN101649733A Concentric type integrated test modification water injection technology and device
CN101624904A Open hole completion well sand resistant pipe string of sidetracking branch well and inserting type acid cleaning filling inner pipe string thereof
CN101705798A Vortex sand washing device
CN101532375A Method for recycling for failure of stage cementing unit and sealed circulation device
CN101358518A Heavy oil thermal recovery balanced steam injection and regulation device
CN101358514A Special bridge plug for cementing open hole well
CN101372888A Tool for bypass gravel fillup