Inventor

LIU JINGPING

CN37 patents

⚠️ This page may combine multiple inventors who share the name “LIU JINGPING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIU JINGPING

UNIV CHINA PETROLEUM EAST CHINA

High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling fluid, and preparation and application thereof

High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application

Polymer elastic particle reservoir protecting agent and drilling fluid containing the same

Composition comprising a nanometer film structured reservoir protecting agent and a water block preventing agent, and drilling fluid containing the same and use thereof for drilling in low-permeability reservoirs

Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof

High density environmentally friendly polymer water-based drilling fluid with resistance to 240° C. and saturated salts, preparation method therefor and use thereof

Polycarboxylate thinner for carbonate/bicarbonate contamination resistant water-based drilling fluid and preparation method and application thereof

Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application

Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluid

High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method

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

Nanometer film structured reservoir protecting agent, drilling fluid containing the same and use thereof in low-permeability reservoirs

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

Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluid

Bio-enzyme degradable temporary plugging material and preparation method and application thereof

Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereof

Phase change microcapsule for drilling fluid cooling and its preparation method and application

Water-based drilling fluid for protecting fractured reservoirs, and preparation method and use thereof

Water-based drilling fluid for protecting high-permeability reservoirs, and preparation method and use thereof

WRIGLEY W M JUN CO

Environmentally friendly chewing gum bases including polyhydroxyalkanoates

Ingestible and degradable chewing gum including enzymatic hydrolysates of proteins

Chewing gum products including prolamine blends

Ingestible chewing gum for animals

Plasticized prolamine compositions

Chewing gums with cross-linked hydrocolloids and coupling agents

Chewing gum base containing substituted polysaccharides and chewing gum products made there from

Chewing gums and gum bases comprising block copolymers having crystallizable hard blocks

CNPC ENG TECH RES & DEV CO LTD

Filtrate reducer for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof

Plugging agent for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof

Temperature-resistant calcium-resistant water-based drilling fluid for oil and gas reservoir protection and use thereof

UNIV SOUTHWEST PETROLEUM

Strong plugging drilling fluid composition and preparation method thereof, and use thereof

Leak-proof lost-circulation control water-based drilling fluid composition and preparation method and use thereof

UNIV CHINA PETROLEUM BEIJING

Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereof

Calcium-resistant zwitterionic polymer, preparation method and application thereof, and water-based drilling fluid containing polymer as dispersant

LIU JINGPING

Chewing gum and gum bases containing highly substituted starch short chain carboxylates

Nitrogen-containing biphenyl compounds, pharmaceutical compositions of same, preparation methods and anti-HIV-1 uses thereof

MO XIAOQUN

Chewing gum containing a cross-linked gelatin matrix gum base