Inventor · Qingdao, CN

Jiafeng Jin

13Patents
1h-index
23Co-inventors
46Inventor score

Filing activity: Sep 9, 2020 → Nov 19, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US11421140B2 High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application Fixed Constructions 1 Active
US11807802B2 Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application Chemistry; Metallurgy 0 Active
US11384275B2 High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method Chemistry; Metallurgy 0 Active
US11578250B1 Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluid Chemistry; Metallurgy 0 Active
US11970655B2 High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereof Emerging Cross-Sectional Technologies 0 Active
US12384953B1 Strongly adsorbed hyper-branched filtrate reducer for water-based drilling fluid with resistance to 240° C. and saturated salinity, preparation method therefor and use thereof Chemistry; Metallurgy 0 Active
US11072738B2 Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluid Chemistry; Metallurgy 0 Active
US12378458B1 Phase change microcapsule for drilling fluid cooling and its preparation method and application Emerging Cross-Sectional Technologies 0 Active
US12264279B1 High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling fluid, and preparation and application thereof Chemistry; Metallurgy 0 Active
US12269985B1 High density environmentally friendly polymer water-based drilling fluid with resistance to 240° C. and saturated salts, preparation method therefor and use thereof Emerging Cross-Sectional Technologies 0 Active
US11472999B1 Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof Chemistry; Metallurgy 0 Active
US12043742B2 Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereof Chemistry; Metallurgy 0 Active
US12110449B1 Bio-enzyme degradable temporary plugging material and preparation method and application thereof Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.