Inventor
WANG JINXUN
SA24 patents
Patents
24 patentsUS11286232B2Mar 29, 2022
Preparation of cationic surfactants
SAUDI ARABIAN OIL CO1 citations73
US11614391B1Mar 28, 2023
Evaluating gel stability by injection in alternating flow directions
SAUDI ARABIAN OIL CO3 citations72
US10689978B2Jun 23, 2020
Method for determining gelation time in a core plug
SAUDI ARABIAN OIL CO5 citations68
US10927290B2Feb 23, 2021
Chemical imbibition by gels containing surfactants for fractured carbonate reservoirs
SAUDI ARABIAN OIL CO2 citations66
US12379299B2Aug 5, 2025
Methods and systems for a parallel flow core sample holder
SAUDI ARABIAN OIL CO0 citations62
US12221883B1Feb 11, 2025
Compact apparatus for quick core flood tests and method of use
SAUDI ARABIAN OIL CO0 citations62
US11993553B2May 28, 2024
Preparation of cationic surfactants
SAUDI ARABIAN OIL CO0 citations62
US11906417B2Feb 20, 2024
Restoring core samples
SAUDI ARABIAN OIL CO0 citations62
US11820842B2Nov 21, 2023
Sulfonated polymer
SAUDI ARABIAN OIL CO0 citations62
US11795374B2Oct 24, 2023
Composition and method of making cationic surfactants with two quaternary ammonium head groups
SAUDI ARABIAN OIL CO0 citations62
US11591291B2Feb 28, 2023
Preparation of cationic surfactants
SAUDI ARABIAN OIL CO0 citations62
US11591292B2Feb 28, 2023
Preparation of cationic surfactants
SAUDI ARABIAN OIL CO0 citations62
US10988673B2Apr 27, 2021
Polymer flooding processes for viscous oil recovery in carbonate reservoirs
SAUDI ARABIAN OIL CO0 citations62
US10961831B2Mar 30, 2021
Polymer flooding processes for viscous oil recovery in carbonate reservoirs
SAUDI ARABIAN OIL CO1 citations62
US11774436B2Oct 3, 2023
Method for determining foam stability in a core plug
SAUDI ARABIAN OIL CO0 citations61
US12399165B2Aug 26, 2025
On-line core holder design for polymer quality testing device
SAUDI ARABIAN OIL CO0 citations58
US11661829B1May 30, 2023
Sequential injection of solvent, hot water, and polymer for improving heavy oil recovery
SAUDI ARABIAN OIL CO1 citations58
US11215729B2Jan 4, 2022
Determining permeability variation
SAUDI ARABIAN OIL CO0 citations56
US11828693B2Nov 28, 2023
Centrifuge method for evaluating contact angle and wettability alteration
SAUDI ARABIAN OIL CO0 citations51
US11041109B2Jun 22, 2021
Enhanced surfactant polymer flooding processes for oil recovery in carbonate reservoirs
SAUDI ARABIAN OIL CO0 citations51
US10457851B2Oct 29, 2019
Polymer flooding processes for viscous oil recovery in carbonate reservoirs
SAUDI ARABIAN OIL CO0 citations51
US10788410B2Sep 29, 2020
Gelation characterization in slim tubes
SAUDI ARABIAN OIL CO0 citations49
US10725198B2Jul 28, 2020
Determining permeability variation
SAUDI ARABIAN OIL CO0 citations46
US10472553B2Nov 12, 2019
Delayed polymer gelation using low total dissolved solids brine
SAUDI ARABIAN OIL CO0 citations34