Inventor
Dong tengfei
CN12 patents
⚠️ This page may combine multiple inventors who share the name “Dong tengfei”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV CHINA PETROLEUM BEIJING
10 patentsUS10876034B1Dec 29, 2020
Modified silicon dioxide material of fluorocarbon active agent type super-amphiphobic cutting-carrying agent suitable for water-based drilling fluid and preparation method thereof
UNIV CHINA PETROLEUM BEIJING3 citations72
US11136488B1Oct 5, 2021
Biodiesel-based constant rheological property drilling fluid containing intelligent temperature responsive polymer
UNIV CHINA PETROLEUM BEIJING3 citations71
US11326450B2May 10, 2022
Intelligent prediction method and apparatus for reservoir sensitivity
UNIV CHINA PETROLEUM BEIJING2 citations70
US10889742B1Jan 12, 2021
Modified polyhistidine suitable for being used as a supramolecular shale inhibitor, method of preparing the same and its application in water-based drilling fluids
UNIV CHINA PETROLEUM BEIJING0 citations60
US11686190B2Jun 27, 2023
4D quantitative and intelligent diagnosis method and system for spatio-temporal evolution of oil-gas reservoir damage types and extent
UNIV CHINA PETROLEUM BEIJING1 citations57
US10336931B2Jul 2, 2019
Use of dual-cation fluorocarbon surfactant as amphiphobic wettability reversal agent in drilling fluid
UNIV CHINA PETROLEUM BEIJING0 citations51
US11453812B2Sep 27, 2022
Saturated salt water drilling fluid of salt response type intelligent polymer and preparation method thereof
UNIV CHINA PETROLEUM BEIJING0 citations50
US11034876B1Jun 15, 2021
Calcium-resistant zwitterionic polymer, preparation method and application thereof, and water-based drilling fluid containing polymer as dispersant
UNIV CHINA PETROLEUM BEIJING0 citations49
US11787990B2Oct 17, 2023
Bionic and dual-phobic high-performance water-based drilling fluid
UNIV CHINA PETROLEUM BEIJING0 citations46
US11578251B2Feb 14, 2023
Amphiphilic block polymer ultralow-permeability agent and intelligent temporary plugging type water-based drilling fluid
UNIV CHINA PETROLEUM BEIJING0 citations46