Segmented acoustic transmitter for broad frequency investigation

Seismic exploration using non-impulsive vibratory sources activa

Seismic processing and imaging with a drill-bit source

Seismic prospection method providing improved knowledge of the g

Seismic sensor array

Selectively combining segments of at least four acoustic well lo

Sensor configuration for nulling reverberations to image behind

Shear wave acoustic logging system

Shear wave logging using acoustic multipole devices

Shear wave logging using guided waves

Shot to shot processing for measuring a characteristic of earth

Signal processing method for improved acoustic formation logging

Sonic logging method for determining the need for sand consolida

Sonic logging system

Sonic logging system

Sonic logging tool

Sonic logging tool

Sonic measurement while drilling

Sonic method for facilitating the fracturing of earthen formatio

Sonic well logging