| 8899352 |
System and method for drilling |
Ashley Bernard Johnson, Walter David Aldred, Geoffrey C. Downton, Riadh Boualleg, Kjell Haugvaldstad |
2014-12-02 |
| 8763726 |
Drill bit gauge pad control |
Ashley Bernard Johnson, Geoff Downton |
2014-07-01 |
| 8757294 |
System and method for controlling a drilling system for drilling a borehole in an earth formation |
Ashley Bernard Johnson, Walter David Aldred, Geoffrey C. Downton, Riadh Boualleg, Kjell Haugvaldstad |
2014-06-24 |
| 8727036 |
System and method for drilling |
Ashley Bernard Johnson, Walter David Aldred, Geoffrey C. Downton, Riadh Boualleg, Kjell Haugvaldstad |
2014-05-20 |
| 8720604 |
Method and system for steering a directional drilling system |
Ashley Bernard Johnson, Geoff Downton |
2014-05-13 |
| 8720605 |
System for directionally drilling a borehole with a rotary drilling system |
Ashley Bernard Johnson, Geoff Downton |
2014-05-13 |
| 8550185 |
Stochastic bit noise |
Ashley Bernard Johnson, Geoff Downton |
2013-10-08 |
| 8534380 |
System and method for directional drilling a borehole with a rotary drilling system |
Ashley Bernard Johnson, Geoff Downton |
2013-09-17 |
| 8245775 |
Wellbore consolidating tool for rotary drilling application |
Iain Cooper, Claude Vercaemer, William Lesso, Benjamin Peter Jeffryes |
2012-08-21 |
| 8066085 |
Stochastic bit noise control |
Ashley Bernard Johnson, Geoff Downton |
2011-11-29 |
| 7810559 |
Wellbore consolidating tool for rotary drilling applications |
Iain Cooper, Claude Vercaemer, William Lesso, Benjamin Peter Jeffryes |
2010-10-12 |
| 7493948 |
Wellbore consolidating tool for rotary drilling applications |
Iain Cooper, Claude Vercaemer, William Lesso, Benjamin Peter Jeffryes |
2009-02-24 |
| 6971265 |
Downhole sensing apparatus with separable elements |
Thomas H. Zimmerman |
2005-12-06 |
| 6845819 |
Down hole tool and method |
Michael Paul Barrett, Stuart I. Jardine |
2005-01-25 |
| 6446718 |
Down hole tool and method |
Michael Paul Barrett, Stuart I. Jardine |
2002-09-10 |
| 6405798 |
Downhole tool and method |
Michael Paul Barrett, Stuart I. Jardine |
2002-06-18 |
| 4981036 |
Method of determining the porosity of an underground formation being drilled |
David A. Curry |
1991-01-01 |
| 4941951 |
Method for improving a drilling process by characterizing the hydraulics of the drilling system |
Zhian Hedayati |
1990-07-17 |
| 4773263 |
Method of analyzing vibrations from a drilling bit in a borehole |
Marc Lesage |
1988-09-27 |
| 4760735 |
Method and apparatus for investigating drag and torque loss in the drilling process |
Christian Wick |
1988-08-02 |
| 4715452 |
Method of drilling a directonal well bore |
— |
1987-12-29 |
