Inventor

SUN JINSHENG

CN35 patents

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

SUN JINSHENG

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

High-temperature retarder suitable for oil and gas well cementation, preparation method thereof and cementing slurry

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

UNIV SOUTHWEST PETROLEUM

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

Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof

Micro-nano composite plugging agent for drilling fluid and preparation method thereof, and drilling fluid and use thereof

Pressure-bearing plugging composition, pressure-bearing plugging slurry and preparation method and use thereof

Nanographene and preparation method and use thereof and oil-based drilling fluid

Nanometer self-locking bentonite film-forming agent, method for preparing the same, and film-forming drilling fluid

Multi-functional weighting agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof

UNIV CHINA PETROLEUM BEIJING

Super-amphiphobic composite material and use of the same as inhibitor, lubricant, reservoir protectant, and accelerator in water-based drilling fluids

Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid

Bionic and dual-phobic high-performance water-based drilling fluid

UNIV CHINA PETROLEUM

Preparation method of a wettability reversal agent

Reservoir protecting agent composition and broad-spectrum drilling liquid and use thereof

Protecting agent composition for high/ultra-high permeability reservoirs and drilling fluid and use thereof

CHINA UNIVESITY OF PETROLEUM EAST CHINA

Resin slurry plugging system suitable for fractured-vuggy formation and preparation and use thereof

CNPC ENG TECH RES & DEV CO LTD

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