| Patent Number |
Title Of Patent |
Date Issued |
| 7042802 |
Determination of stress characteristics of earth formations |
May 9, 2006 |
| A method for determining the maximum and minimum horizontal stresses of formations surrounding a borehole includes the following steps: suspending a logging device in the borehole; transmitting sonic energy from the logging device to establish flexural waves in the formations; receiv |
| 6614716 |
Sonic well logging for characterizing earth formations |
September 2, 2003 |
| A method for determining properties of an earth formation surrounding an earth borehole that involves: providing a logging device moveable through the borehole; transmitting sonic energy into the formation; receiving sonic energy that has traveled through the formation; producing signals |
| 6611761 |
Sonic well logging for radial profiling |
August 26, 2003 |
| A method for determining a radial profile of sonic shear velocity of formations surrounding a fluid-containing borehole, including: suspending a logging device in the borehole; transmitting sonic energy from the logging device to establish flexural waves in the formation; receiving s |
