Inventor
DUGGAN ANDREW
US5 patents
⚠️ This page may combine multiple inventors who share the name “DUGGAN ANDREW”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DUGGAN ANDREW
4 patentsUS11326411B2May 10, 2022
Thermal activation of liner hanger for elastomer-less completion
DUGGAN ANDREW2 citations67
US11142999B2Oct 12, 2021
Downhole power generation using pressure differential
DUGGAN ANDREW1 citations56
US11891875B2Feb 6, 2024
Expandable annular seal tool and system
DUGGAN ANDREW0 citations53
US11280162B2Mar 22, 2022
Power generation using pressure differential between a tubular and a borehole annulus
DUGGAN ANDREW0 citations45