CL

Cyrille Levesque

Schlumberger Technology: 5 patents #1,262 of 7,293Top 20%
Overall (All Time): #1,008,431 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8704523 Measuring casing attenuation coefficient for electro-magnetics measurements David Alumbaugh, Richard A. Rosthal, Hong Zhang 2014-04-22
8614578 Attenuation of electromagnetic signals passing through conductive material Guozhong Gao, H. Frank Morrison, Hong Zhang, Richard A. Rosthal, David Alumbaugh 2013-12-24
8392119 Analysis of subsurface electromagnetic data through inversion with constrained casing correction coefficients David Alumbaugh, Ping Zhang, Guozhong Gao 2013-03-05
8332191 Correction factors for electromagnetic measurements made through conductive material Richard A. Rosthal, Hong Zhang, Guozhong Gao, H. Frank Morrison, David Alumbaugh 2012-12-11
7298147 Device and process for determination of the resistivity of a formation surrounding a cased borehole Dominique Benimeli, Donald C. McKeon 2007-11-20