Inventor

HEMPHILL ALAN T

US2 patents

Patents

2 patents

US6938458B2Sep 6, 2005

Acoustic doppler downhole fluid flow measurement

HALLIBURTON ENERGY SERV INC20 citations90

US6829947B2Dec 14, 2004

Acoustic Doppler downhole fluid flow measurement

HALLIBURTON ENERGY SERV INC39 citations90