DH

David A. Hejl

HS Halliburton Energy Services: 5 patents #1,206 of 4,711Top 30%
BC Baker Hughes, A Ge Company: 1 patents #709 of 1,459Top 50%
BH Baker Hughes Holdings: 1 patents #1,949 of 3,522Top 60%
BO Baker Hughes Oilfield Operations: 1 patents #478 of 1,057Top 50%
📍 Houston, TX: #2,881 of 21,073 inventorsTop 15%
🗺 Texas: #18,864 of 125,132 inventorsTop 20%
Overall (All Time): #619,765 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11629592 Extendable downhole tool and related systems, apparatus, and methods Shiva Paramhans 2023-04-18
10316657 Extendable probe and formation testing tool and method Shiva Paramhans, Russell McEacharn 2019-06-11
9790789 Apparatus and method for obtaining formation fluid samples Shawn A. Olsen 2017-10-17
7252153 Bi-directional fluid loss device and method W. David Henderson, W. Mark Richards 2007-08-07
7243724 Apparatus and method for treating an interval of a wellbore Ronald W. McGregor, Travis Hailey, William David Henderson, Robert W. Crow, Philip D. Nguyen +1 more 2007-07-17
6814139 Gravel packing apparatus having an integrated joint connection and method for use of same Robert W. Crow 2004-11-09
6789624 Apparatus and method for gravel packing an interval of a wellbore Ronald W. McGregor, Robert Crow, Ronald A. Gibson 2004-09-14
6516882 Apparatus and method for gravel packing an interval of a wellbore Ronald W. McGregor, Travis Hailey 2003-02-11