Inventor
Deli Gao
Inventor
Beijing, CN
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Kprimary
C09KMaterials for miscellaneous applications, not provided for elsewhere45%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%
E21BEarth or rock drilling10%
C07CAcyclic or carbocyclic compounds6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds6%
C10MLubricating compositions6%
C07DHeterocyclic compounds3%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium3%
C08BPolysaccharides3%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions3%
PatentTitleYear
10,442,973Super-amphiphobic strongly self-cleaning high-performance water-based drilling fluid and drilling method201910,336,931Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid201910,308,857Super-amphiphobic composite material and use of the same as inhibitor, lubricant, reservoir protectant, and accelerator in water-based drilling fluids201910,266,744Accelerator used for drilling fluids, water-based drilling fluid and usage thereof201910,253,237Film former used for coal-bed gas well drilling and preparation method thereof, drilling fluid and usage thereof201910,030,188Nano-hybrid lubricant and method thereof, and oil-based drilling fluid201810,000,684Drilling fluid additive composition, and oil-based drilling fluid and use thereof20189,902,890'Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof'20189,890,318'Drilling fluid additive composition and water-based drilling fluid suitable for high-pressure plugging'20189,834,717Drilling fluid additive composition and pseudo oil-based drilling fluid suitable for horizontal shale gas wells20179,790,417'High-density water-based drilling fluid suitable for horizontal shale gas wells'20179,783,726'Environment-friendly water-based drilling fluid applicable to horizontal shale gas wells'20179,783,725'Drilling fluid additive composition and water-based drilling fluid suitable for horizontal shale gas wells'20179,745,501'Additive composition suitable for viscosity reduction of oil-based drilling fluid, oil-based drilling fluid and use thereof'2017Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2017Patents assigned to CHINA UNIV OF PETROLEUM (BEIJING) (5)· patent assignee history
2017–2019Based in Beijing, CN· patent location history
2018–2019Patents assigned to UNIV CHINA PETROLEUM BEIJING (9)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNIV CHINA PETROLEUM BEIJING | 9 | 2018–2019 |
| CHINA UNIV OF PETROLEUM (BEIJING) | 5 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 14 | 2017–2019 |