PH

Phil Holbrook

BT Baroid Technology: 2 patents #17 of 87Top 20%
Overall (All Time): #2,291,797 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5282384 Method for calculating sedimentary rock pore pressure 1994-02-01
4981037 Method for determining pore pressure and horizontal effective stress from overburden and effective vertical stresses Homer A. Robertson, Michael Hauck 1991-01-01