Inventor
BERGREN FRANK E
US3 patents
Patents
3 patentsUS5992521ANov 30, 1999
Method and system for increasing oil production from an oil well producing a mixture of oil and gas
ATLANTIC RICHFIELD CO48 citations89
US5607015AMar 4, 1997
Method and apparatus for installing acoustic sensors in a wellbore
ATLANTIC RICHFIELD CO14 citations70
US5685374ANov 11, 1997
Well completions in weakly consolidated formations
ATLANTIC RICHFIELD CO14 citations69