DH

Douglas J. Harrison

HS Halliburton Energy Services: 6 patents #1,023 of 4,711Top 25%
📍 Missouri City, TX: #192 of 1,012 inventorsTop 20%
🗺 Texas: #21,377 of 125,132 inventorsTop 20%
Overall (All Time): #680,807 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12286586 Hydrocarbon swelling particles for wellbore cementing Juergen Heidlas, Bertrand Guichard, Patrick Vongphoutone, AJ Marino 2025-04-29
9315712 Viscoelastic surfactants and methods of making and using same Ryan van Zanten 2016-04-19
8684091 Wellbore servicing compositions and methods of making and using same Ryan G. Ezell 2014-04-01
8322431 Wellbore servicing compositions and methods of making and using same Ryan G. Ezell 2012-12-04
8207096 Compressible packer fluids and methods of making and using same Ryan van Zanten 2012-06-26
7960314 Microemulsifiers and methods of making and using same Ryan van Zanten 2011-06-14
7833943 Microemulsifiers and methods of making and using same Ryan van Zanten 2010-11-16