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SHENGLI ADMIN SINOPEC DRILLING

Overview
  • Total Patents
    24
About

SHENGLI ADMIN SINOPEC DRILLING has a total of 24 patent applications. Its first patent ever was published in 2002. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry and civil engineering are 9668241 CANADA INC, WILLBERG DEAN and QINGDAO DADI NEW ENERGY TECH RESEARCH INSTITUTE.

Patent filings in countries

World map showing SHENGLI ADMIN SINOPEC DRILLINGs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing SHENGLI ADMIN SINOPEC DRILLINGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Haiqing Tian 4
#2 Quanjin Yang 3
#3 Jinzhou Yang 3
#4 Zhonghua Wu 3
#5 Hongbing Xiao 3
#6 Junliang Xu 3
#7 Qingming Ma 3
#8 Dongchang Sun 2
#9 Zuohui Li 2
#10 Haihua Zhang 2

Latest patents

Publication Filing date Title
CN101482007A Hydraulic automatic controller used for oil gas well protection
CN101482014A Rotary-focusing gamma measuring apparatus and method
CN101459322A Picking and hanging device for conductive wire locking device, picking and hanging method
CN101469610A Measurement while drilling exploring tube sensor signal simulator
CN101451425A Shunt type automatic vertical well drilling tool suitable for gas drilling
CN101435748A Cable rotary type hydrate probe boring sampling apparatus
CN101429866A Wing rib telescopic while-drilling density logger
CN101382043A Combined drill for drilling with casing
CN101358521A Control device of flux distribution for automatic vertical drilling
CN101315022A Stone oil tool joint capable of transferring electric power and signal
CN101220586A Energy-saving safety device for platform elevation and subsidence
CN101191409A Recoverable apparatus at bottom of casing tube drilled well
CN1865693A Underwell slurry generator
CN1828007A Blade PDC bit
CN1790016A In-situ monitoring device for liquefaction of seabed soil
CN1730896A Strapdown type stable platform apparatus
CN1644869A Completion device and method for branch well with pre-windows
CN1763349A PDC bit for petroleum and natural gas drilling
CN1763350A Boring device for borehole wall
CN1594028A Helix underwater positioning device