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SINOPEC PETROLEUM ENG TECHNOLOGY SERVICE CO LTD

Overview
  • Total Patents
    71
  • GoodIP Patent Rank
    20,519
About

SINOPEC PETROLEUM ENG TECHNOLOGY SERVICE CO LTD has a total of 71 patent applications. Its first patent ever was published in 2015. It filed its patents most often in China. Its main competitors in its focus markets basic materials chemistry, civil engineering and materials and metallurgy are MULTI-CHEM GROUP LLC, GRINDING & SIZING CO INC and PANGA MOHAN K R.

Patent filings in countries

World map showing SINOPEC PETROLEUM ENG TECHNOLOGY SERVICE CO LTDs patent filings in countries
# Country Total Patents
#1 China 71

Patent filings per year

Chart showing SINOPEC PETROLEUM ENG TECHNOLOGY SERVICE CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Feng Aiguo 6
#2 Chen Erding 6
#3 Shi Yuanhui 6
#4 Guo Baoyu 5
#5 Zhang Jianping 5
#6 Zhang Guofeng 5
#7 Wang Quanyang 5
#8 Wang Xudong 5
#9 Wang Baotian 5
#10 Liao Yong 5

Latest patents

Publication Filing date Title
CN106224642A A kind of prefabricated assembled upper pipe working well of steel construction
CN106185833A The method separating sulfur from high sulfur Gas Fields gathering system solid deposits
CN106186357A A kind of rejected well drilling liquid microbial treatment method
CN106050159A Drill string clutching tool
CN106221679A A kind of drilling fluid adhesion-promoting takes bits rod and preparation method
CN106223941A Shale gas reservoir organic porosity based on well-log information determines method
CN106145440A Oil gas field waste water-base drilling liquid solid-liquid separating method
CN106044884A Harmless pretreatment medicament and water treatment method for fracturing flowback fluid
CN106050194A Explosion initiating device capable of preventing accidental explosion initiation for wells
CN106089182A Release is sheared in pitching
CN106046250A Reactive polymer for well drilling plugging and preparation method thereof
CN106159888A Pump-out type instrument pressure closes electric control method
CN106014312A Pump-out storage type fusing releaser special for logging
CN105881412A Tensile test cable clamp
CN106047317A Drilling fluid for thick oil asphalt layer drilling and preparation method thereof
CN105927178A Cable freeing device and freeing method
CN105971561A Composite sleeve scraper for well drilling
CN106047318A Water swelling and plugging material and preparation method thereof
CN105885812A Well cementation working solution system and preparing method thereof
CN105822256A Hinged type sliding sleeve opening tools capable of achieving staged opening and equal-diameter casing pipe sliding sleeves