JG

James A. Grau

Schlumberger Technology: 31 patents #112 of 7,293Top 2%
Saudi Arabian Oil: 1 patents #2,080 of 4,275Top 50%
Overall (All Time): #117,229 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
12061308 Porosity measurements from nuclear spectroscopy Jeffrey Miles, Richard J. Radtke, Laurent Mosse, ZhanGuo Shi, David Rose 2024-08-13
12025767 Measuring spectral contributions of elements in regions in and about a borehole using a borehole spectroscopy tool Jeffrey Miles, Laurent Mosse 2024-07-02
10429540 Combining inelastic and capture gamma ray spectroscopy for determining formation elemental 2019-10-01
10247849 Method for measuring formation water salinity from within a borehole Harold Pfutzner, Ronald E. Plasek, Raghu Ramamoorthy, Shouxiang Mark Ma 2019-04-02
10145979 Gamma-ray detectors for downhole applications Bradley A. Roscoe, Zilu Zhou, Kenneth E. Stephenson, Markus Berheide 2018-12-04
9851468 Hydrocarbon saturation from total organic carbon logs derived from inelastic and capture nuclear spectroscopy Michael M. Herron, Susan Herron, John P. Horkowitz, Paul Ryan Craddock, Robert Badry 2017-12-26
9835758 Method for filtering for interpretation of neutron induced gamma ray measurements Tong Zhou 2017-12-05
9835759 Neutron-induced gamma-ray spectroscopy that accounts for environmental dependence of inelastic gamma-ray emission spectra 2017-12-05
9599729 Gamma-ray detectors for downhole applications Bradley A. Roscoe, Zilu Zhou, Kenneth E. Stephenson, Markus Berheide 2017-03-21
9575208 Geological constituent estimation using calculated spectra relationships Jeffrey Miles 2017-02-21
9568639 Borehole tool calibration method Jeffrey Miles 2017-02-14
9541668 Environmental corrections in nuclear spectroscopy using variable element ratio Jeffrey Miles, Markus Berheide 2017-01-10
9417355 Composition-matched inelastic or capture spectroscopy tool Christian Stoller, Fabien Haranger, Jeffrey Miles, Markus Berheide 2016-08-16
9234980 Mining systems and methods Gilles Mathieu, Kent Lang, Peter Wraight, Roland Banas, Edward Clayton 2016-01-12
9091774 Method of determining an element value Jeffrey Miles, Robert Badry 2015-07-28
8963073 Nuclear spectroscopy corrections using multiple standards and spatial regions Jeffrey Miles, Markus Berheide 2015-02-24
8927920 Correcting gamma-ray energy spectra for pileup degradation 2015-01-06
8901483 Gamma-ray detectors for downhole applications Bradley A. Roscoe, Zilu Zhou, Kenneth E. Stephenson, Markus Berheide 2014-12-02
8546749 Intrinsic radioactivity in a scintillator as count rate reference Markus Berheide, Bradley A. Roscoe, Peter Wraight 2013-10-01
8536517 Scintillator based radiation detection Markus Berheide, Bradley A. Roscoe, Christian Stoller, Peter Wraight, Matthieu Simon 2013-09-17
8431885 Gamma-ray detectors for downhole applications Bradley A. Roscoe 2013-04-30
7366615 Methods and apparatus using both nuclear capture and inelastic spectroscopy in deriving elemental concentrations Susan Herron, Bradley A. Roscoe, Michael M. Herron, Kenneth E. Stephenson 2008-04-29
5521378 Method and apparatus for gamma ray logging of underground formations Bradley A. Roscoe, Christian Stoller 1996-05-28
5171986 Methods and apparatus for calibration of BGO scintillator gamma ray energy spectra William A. Loomis, Jerome A. Truax 1992-12-15
5097123 Broad energy spectra neutron source for logging and method Bradley A. Roscoe 1992-03-17