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PETRO KING OILFIELD TECH LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    91,931
  • Filing trend
    ⇩ 40.0%
About

PETRO KING OILFIELD TECH LTD has a total of 18 patent applications. It decreased the IP activity by 40.0%. Its first patent ever was published in 2016. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, civil engineering and macromolecular chemistry and polymers are DAQING DONGYOU RUIJIA PETROLEUM TECH CO LTD, WILLBERG DEAN and BRANNON HAROLD DEAN.

Patent filings in countries

World map showing PETRO KING OILFIELD TECH LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing PETRO KING OILFIELD TECH LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lin Jingyu 12
#2 Zhao Jindong 10
#3 Ding Jiansuo 8
#4 Wu Jia 6
#5 Wang Jinlong 4
#6 Liu Nan 2
#7 Jing Feng 2
#8 Liu Lijuan 2
#9 Bian Peiming 2
#10 Jia Xingang 2

Latest patents

Publication Filing date Title
CN111441736A Underwater natural gas hydrate wellhead device with heat preservation function
CN111535795A Simulation detection system for underwater natural gas hydrate wellhead device
CN111236909A Full-bore infinite staged fracturing tool and using method thereof
CN110846017A Acidic clean fracturing fluid for acidizing fracturing production increasing measures of oil and gas reservoir
CN111057533A Acidic fracturing fluid system for oil and gas reservoir acid fracturing production increasing measures and preparation method
CN110804431A Thickening autogenous acid generating system for oil-gas reservoir acid fracturing production increasing measures and preparation method
CN111849453A Polychlorinated ketol self-acid generator and use method thereof
CN110857618A Remote control ball-throwing device
CN110551494A Composite water-based fracturing fluid for fracturing yield-increasing measures and preparation method thereof
CN110540831A Micron-sized degradable gel particles for acidification and temporary plugging and preparation method thereof
CN109667555A The hanging packer and tieback plug and construction technology of the low setting pressure of full-bore
CN109306859A A kind of medicine-filling device of no pipeline oil jacket annulus
CN108868726A For the component of horizontal segment reservoir fracturing and its fracturing process of infinite stages full-bore
CN108795402A A kind of guanidine gum fracturing fluid and preparation method thereof for superhigh temperature reservoir
CN108794648A A kind of carboxymethyl guanidine glue of modification and preparation method thereof
CN107869323A A kind of solvable bridging plug and its construction technology
CN107868660A A kind of emulsification acid solution of oil-gas reservoir acidifying and preparation method thereof
CN107523286A A kind of cleaning slippery water fracturing fluid for shale reservoir and preparation method thereof