Schaffhausen
Switzerland
7
2013-02-14
The entities that hold a legal rights for patent applications filed by inventor Griffiths Roger:
Roger Griffiths from Schaffhausen, CH has applied for patents for these inventions. The list has both pending applications and granted patents:
Interactive display of results obtained from the inversion of logging data
#2 | 2012-08-02Borehole Imaging and Formation Evaluation While Drilling
#3 | 2012-05-17Method and Apparatus for Detecting while Drilling Underbalanced The Presence and Depth of Water Produced from The Formation and for Measuring Parameters Related Thereto
#4 | 2011-01-06Estimating sigma log beyond the measurements points
#5 | 2010-07-29SIGMA MEASUREMENT DOWNHOLE
#6 | 2009-10-22Method for determining a set of net present values to influence the drilling of a wellbore and increase production
#7 | 2009-06-04Method and apparatus for detecting while drilling underbalanced the presence and depth of water produced from the formation
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