Method and apparatus for detecting torsional vibration with...

Method and apparatus for determining downhole pressures...

Method and apparatus for estimating a property of a downhole...

Method and apparatus for estimating a property of a downhole...

Method and apparatus for improved measurement of drilling condit

Method and apparatus for measuring multiple parameters of steam

Method and apparatus for sensing and displaying torsional vibrat

Method and system for detecting conditions inside a wellbore

Method and system for detecting the longitudinal...

Method and system for predicting the appearance of a dysfunction

Method and system for real-time estimation of at least one param

Method and system for real-time estimation of at least one param

Method and system of trajectory prediction and control using PDC

Method for determining drill collar whirl in a bottom hole...

Method for determining equivalent static mud density during...

Method for obtaining leak-off test and formation integrity...

Methods and apparatus for detecting torsional vibration in a...

Monitoring well

Multi-coupling reduced length measure while drilling apparatus