LexDanaLexDanabeta
Inventor

George J. Hirasaki

Inventor
Bellaire, TX, US

Overview

8→
Patents
1978–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 8 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 elsewhere33%
E21BEarth or rock drilling27%
G01NInvestigating or analysing materials by determining their chemical or physical properties13%
B01DSeparation7%
C10GCracking hydrocarbon oils7%
G01RMeasuring electric variables7%
G01VGeophysics7%
PatentTitleYear
11,099,292Method for determining the composition of natural gas liquids, mean pore-size and tortuosity in a subsurface formation using NMR20219,856,412'Ultra-low-tension compositions and their use in enhanced oil recovery'20189,377,449'Nanocomposite oil sensors for downhole hydrocarbon detection'20168,911,615'Recovery and separation of crude oil and water from emulsions'20146,695,055'Subterranean formation water permeability reducing methods'20044,597,442'Reservoir preflushing process for increasing the rate of surfactant transport in displacing oil with injected steam and steam-foaming surfactant'19864,570,711'Process for optimizing the noncondensible gas content of an oil-displacing steam-foam-forming mixture'19864,086,964'Steam-channel-expanding steam foam drive'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1986Patents assigned to SHELL OIL CO (3)· patent assignee history
1978–1986Based in Houston, TX, US· patent location history
2004–2021Based in Bellaire, TX, US· patent location history
2014–2021Patents assigned to UNIV RICE WILLIAM M (4)· patent assignee history
2014–2016Patents assigned to HIRASAKI GEORGE J (2)· patent assignee history
2014–2018Patents assigned to MILLER CLARENCE A (2)· patent assignee history
2014Patents assigned to HERA JR JOHN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV RICE WILLIAM M42014–2021
SHELL OIL CO31978–1986
HIRASAKI GEORGE Jself22014–2016
MILLER CLARENCE A22014–2018
HERA JR JOHN12014
Locations
LocationPatentsSpan
Bellaire, Texas, US52004–2021
Houston, Texas, US31978–1986