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SHENZHEN BRANCH OF CHINA NAT OFFSHORE OIL CORPORATION

Overview
  • Total Patents
    24
  • GoodIP Patent Rank
    67,838
About

SHENZHEN BRANCH OF CHINA NAT OFFSHORE OIL CORPORATION has a total of 24 patent applications. Its first patent ever was published in 2018. It filed its patents most often in China. Its main competitors in its focus markets civil engineering, measurement and it methods for management are CHENGDU CHUANGYUAN OIL AND GAS TECH DEV CO LTD, LIU JINGSHOU and GEO OPTICS LTD.

Patent filings in countries

World map showing SHENZHEN BRANCH OF CHINA NAT OFFSHORE OIL CORPORATIONs patent filings in countries
# Country Total Patents
#1 China 24

Patent filings per year

Chart showing SHENZHEN BRANCH OF CHINA NAT OFFSHORE OIL CORPORATIONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhang Weiguo 11
#2 Du Qingjie 7
#3 Li Bo 6
#4 Cao Bobo 6
#5 Jin Hao 6
#6 Rao Zhihua 6
#7 Li Yong 6
#8 Zou Xinbo 4
#9 Zhang Xin 4
#10 Ma Yi 4

Latest patents

Publication Filing date Title
CN112283091A Remote electric submersible pump starting and control simulation system and test method
CN112270138A Complex oil field group flow guarantee and capacity release determination method
CN112096356A Self-source closed type same-well oil extraction and water injection system
CN112012713A Deflagration fracturing acidizing layer selection operation method
CN112097734A Semi-submersible platform heave measuring device
CN111980599A Lifting type ground pulley device for steel wire operation
CN111980672A Underwater wellhead levelness measuring device
CN111983678A Method for rapidly evaluating development potential of deepwater sand body
CN111764866A Leaking stoppage method for leakage stratum
CN111764890A Well testing analysis method for ultra-low permeability reservoir
CN111622731A Precipitation and oil increasing method and well completion structure of dual-medium oil reservoir horizontal well
CN111577138A Lower casing grouting device
CN111622695A Lower casing rope-blocking control device
CN111756023A Inverse time limit characteristic curve obtaining method and device of overcurrent protection device
CN111608764A Diesel engine cylinder head filtering system
CN111523767A Broken circle and hidden area judgment method and system based on deep learning, electronic equipment and storage medium
CN111005717A Formation fluid pumping method
CN111101910A Water displacement experimental device and experimental method for bottom water two-dimensional flat plate physical model
CN110439548A A kind of controllable shock wave de-plugging test macro and test method
CN110488367A A kind of resistivity inversion Initialization Algorithms based on array lateral logging data