Inventor
UNDERDOWN DAVID R
US12 patents
⚠️ This page may combine multiple inventors who share the name “UNDERDOWN DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON USA INC
4 patentsUS6454836B1Sep 24, 2002
Method and apparatus for wellbore gas separation
CHEVRON USA INC26 citations86
US6502635B1Jan 7, 2003
Sub-sea membrane separation system with temperature control
CHEVRON USA INC18 citations82
US9685890B2Jun 20, 2017
Flow induced electrostatic power generator for tubular segments
CHEVRON USA INC4 citations67
US9556712B2Jan 31, 2017
Flow induced electrostatic power generator for tubular segments
CHEVRON USA INC0 citations39
BAKER OIL TOOLS INC
3 patentsATLANTIC RICHFIELD CO
3 patentsUS4741400AMay 3, 1988
Method for scale inhibition in a well penetrating a subterranean formation
ATLANTIC RICHFIELD CO33 citations92
US4627496ADec 9, 1986
Squeeze cement method using coiled tubing
ATLANTIC RICHFIELD CO62 citations92
US5171460ADec 15, 1992
Method for preventing metal carbonate scale formation in a well penetrating a subterranean formation
ATLANTIC RICHFIELD CO19 citations73