P

Inventor

GREENWELL HUGH CHRISTOPHER

GB19 patents

Patents

19 patents
US10252245B2Apr 9, 2019

High temperature layered mixed-metal oxide materials with enhanced stability

SAUDI ARABIAN OIL CO3 citations72
US10105684B2Oct 23, 2018

Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocomposites

SAUDI ARABIAN OIL CO5 citations72
US11351604B2Jun 7, 2022

Methods for preparing mixed-metal oxide diamondoid nanocomposites and catalytic systems including the nanocomposites

SAUDI ARABIAN OIL CO2 citations71
US10875092B2Dec 29, 2020

Methods for preparing mixed-metal oxide diamondoid nanocomposites and catalytic systems including the nanocomposites

SAUDI ARABIAN OIL CO2 citations71
US10676658B2Jun 9, 2020

Oil-based drilling fluids for high pressure and high temperature drilling operations

SAUDI ARABIAN OIL CO2 citations71
US10647903B2May 12, 2020

Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers and amino amides as emulsifiers

SAUDI ARABIAN OIL CO3 citations71
US10640696B2May 5, 2020

Oil-based drilling fluids for high pressure and high temperature drilling operations

SAUDI ARABIAN OIL CO2 citations71
US10138199B2Nov 27, 2018

High aspect ratio layered double hydroxide materials and methods for preparation thereof

SAUDI ARABIAN OIL CO3 citations71
US10906859B2Feb 2, 2021

Adamantane-intercalated layered double hydroxide

SAUDI ARABIAN OIL CO1 citations61
US10793762B2Oct 6, 2020

Layered double hydroxides for oil-based drilling fluids

SAUDI ARABIAN OIL CO1 citations61
US11034880B2Jun 15, 2021

Oil-based drilling fluids for high pressure and high temperature drilling operations

SAUDI ARABIAN OIL CO0 citations60
US10954425B2Mar 23, 2021

Oil-based drilling fluids for high pressure and high temperature drilling operations

SAUDI ARABIAN OIL CO0 citations60
US10906028B2Feb 2, 2021

Synthesis of transition-metal adamantane salts and oxide nanocomposites, and systems and methods including the salts or the nanocomposites

SAUDI ARABIAN OIL CO0 citations60
US10106482B2Oct 23, 2018

Synthesis of magnesium adamantane salts and magnesium oxide nanocomposites, and systems and methods including the salts or the nanocomposites

SAUDI ARABIAN OIL CO0 citations51
US10988659B2Apr 27, 2021

Layered double hydroxides for oil-based drilling fluids

SAUDI ARABIAN OIL CO0 citations50
US10876039B2Dec 29, 2020

Thermally stable surfactants for oil based drilling fluids

SAUDI ARABIAN OIL CO0 citations50
US10870788B2Dec 22, 2020

Thermally stable surfactants for oil based drilling fluids

SAUDI ARABIAN OIL CO0 citations50
US10745606B2Aug 18, 2020

Oil-based drilling fluid compositions which include layered double hydroxides as rheology modifiers

SAUDI ARABIAN OIL CO0 citations50
US10087355B2Oct 2, 2018

Oil-based drilling fluids containing an alkaline-earth diamondoid compound as rheology modifier

SAUDI ARABIAN OIL CO0 citations48