Inventor
WITHERS ROBERT J
US7 patents
Patents
7 patentsUS5963508AOct 5, 1999
System and method for determining earth fracture propagation
ATLANTIC RICHFIELD CO122 citations96
US5524709AJun 11, 1996
Method for acoustically coupling sensors in a wellbore
ATLANTIC RICHFIELD CO123 citations96
US5503225AApr 2, 1996
System and method for monitoring the location of fractures in earth formations
ATLANTIC RICHFIELD CO118 citations96
US5771170AJun 23, 1998
System and program for locating seismic events during earth fracture propagation
ATLANTIC RICHFIELD CO123 citations92
US5574218ANov 12, 1996
Determining the length and azimuth of fractures in earth formations
ATLANTIC RICHFIELD CO52 citations91
US5265680ANov 30, 1993
Method for installing instruments in wells
ATLANTIC RICHFIELD CO50 citations89
US5607015AMar 4, 1997
Method and apparatus for installing acoustic sensors in a wellbore
ATLANTIC RICHFIELD CO14 citations70