Inventor

HARRISON DOUGLAS J

US7 patents

⚠️ This page may combine multiple inventors who share the name “HARRISON DOUGLAS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON ENERGY SERV INC

2 patents

US7960314B2Jun 14, 2011

Microemulsifiers and methods of making and using same

HALLIBURTON ENERGY SERV INC53 citations96

US7833943B2Nov 16, 2010

Microemulsifiers and methods of making and using same

HALLIBURTON ENERGY SERV INC60 citations96

VAN ZANTEN RYAN

2 patents

US8207096B2Jun 26, 2012

Compressible packer fluids and methods of making and using same

VAN ZANTEN RYAN43 citations92

US9315712B2Apr 19, 2016

Viscoelastic surfactants and methods of making and using same

VAN ZANTEN RYAN2 citations61

EZELL RYAN G

2 patents

US8322431B2Dec 4, 2012

Wellbore servicing compositions and methods of making and using same

EZELL RYAN G9 citations82

US8684091B2Apr 1, 2014

Wellbore servicing compositions and methods of making and using same

EZELL RYAN G0 citations50

OMNOVA SOLUTIONS INC

1 patent

US12286586B2Apr 29, 2025

Hydrocarbon swelling particles for wellbore cementing

OMNOVA SOLUTIONS INC0 citations54