Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319866 | Alkaline earth metal minerals as carriers for surfactants in drilling fluids | Tobias Keller, Samuel Rentsch | 2025-06-03 |
| 9676988 | Particles for use in wellbore fluids | Richard Bingham, Mazin Philip | 2017-06-13 |
| 9540925 | Methods and systems of increasing signal strength of oilfield tools | Ramy Mahrous, Sandra Reyes | 2017-01-10 |
| 8598096 | Precipitated weighting agents for use in wellbore fluids | David Antony Ballard | 2013-12-03 |
| 8168569 | Precipitated weighting agents for use in wellbore fluids | David Antony Ballard | 2012-05-01 |
| 7947628 | Method of improving solids separation efficiency | Doug Oakley, Blake Brockerville, Todd Reid | 2011-05-24 |
| 7918289 | Method of completing a well with sand screens | Doug Oakley, Gunnar Fimreite, Grete Svanes, Andrew Bradbury | 2011-04-05 |
| 7651983 | Reduced abrasiveness with micronized weighting material | Andrew Bradbury | 2010-01-26 |
| 7651040 | Additive for increasing the density of an oil-based fluid and fluid comprising such additive | Andrew Bradbury, Christopher Alan Sawdon | 2010-01-26 |
| 7618927 | Increased rate of penetration from low rheology wellbore fluids | Doug Oakley, Todd Reid, Andrew Bradbury | 2009-11-17 |
| 7538074 | Additive for increasing the density of an oil-based fluid and fluid comprising such additive | Andrew Bradbury, Christopher Alan Sawdon | 2009-05-26 |
| 7409994 | Drilling well with drilling fluid of fluid phase and weighting agent | Neale Browne, Mukesh Kapila | 2008-08-12 |
| 7267291 | Additive for increasing the density of an oil-based fluid and fluid comprising such additive | Andrew Bradbury, Christopher Alan Sawdon | 2007-09-11 |
| 7220707 | Sized barite as a weighting agent for drilling fluids | Neale Browne, Mukesh Kapilla | 2007-05-22 |
| 7176165 | Method of drilling using a sized barite as a weighting agent for drilling fluids | Neale Browne, Mukesh Kapilla | 2007-02-13 |
| 7169738 | Method of using a sized barite as a weighting agent for drilling fluids | Neale Browne, Mukesh Kaplla | 2007-01-30 |