A distributed acoustic wave detection system and method is provided. The system may
include a fiber optic cable deployed in a well and configured to react to pressure changes …

BACKGROUND 0001. The present disclosure relates generally to equip ment utilized and
operations performed in conjunction with a subterranean well and, in an embodiment …

2,201,311 A 5, 1940 Halliburton 2,210,417 A 8/1940 Kinley 2,242,161 A 5/1941 Athy et al.
2,739,475 A 3, 1956 Nowak 2,803,526 A 8, 1957 Nowak 3,480,079 A 11, 1969 Guinn et al …

Methods and systems are provided for performing acoustic sensing by utilizing distributed
acoustic sensing (DAS) along a length of a conduit, such that the sensing is performed with …

Methods and apparatus for performing Distributed Acoustic Sensing (DAS) using fiber optics
with increased acoustic sensitivity are provided. Acoustic sensing of a wellbore, pipe line, or …

This application relates to methods and apparatus for monitoring hydraulic fracturing during
oil/gas well formation. A fiber optic cable (102) deployed down a well bore (106), which may …

BACKGROUND Borehole seismic Surveys have become among the most versatile of
downhole measurements used in the hydrocarbon industry. Originally, borehole seismic …

A method for monitoring a well treatment, comprising the steps of installing at least one
distributed acoustic strain sensor in at least one monitoring well, said monitoring well being …

The present invention provides novel apparatus and methods for fast quantitative
measurement of perturbation of optical fields transmitted, reflected and/or scattered along a …

4,714,342 A 12, 1987 Jackson et al. 7,430,903 B2 10/2008 Ramos 4,832,121 A 5, 1989
Anderson 7,441,605 B2* 10/2008 Coronado et al............. 166,313 4,927,232 A* 5/1990 …