Radiant energy – Geological testing or irradiation – Well testing apparatus and methods
Reexamination Certificate
2007-11-13
2007-11-13
Hannaher, Constantine (Department: 2884)
Radiant energy
Geological testing or irradiation
Well testing apparatus and methods
C250S266000
Reexamination Certificate
active
11115792
ABSTRACT:
A pulsed neutron source is used in a density logging tool with three or more detectors. This enables compensation for source variations and provides redundant measurements that are used to make borehole corrections and/or corrections for casing.
REFERENCES:
patent: 5390115 (1995-02-01), Case et al.
patent: 5525797 (1996-06-01), Moake
patent: 5767510 (1998-06-01), Evans
patent: 5825024 (1998-10-01), Badruzzaman
patent: 5841135 (1998-11-01), Stoller et al.
patent: 5900627 (1999-05-01), Odom et al.
patent: 6064063 (2000-05-01), Mickael
patent: 6124590 (2000-09-01), Mickael
patent: 2002/0190198 (2002-12-01), Mickael
patent: 2003/0178560 (2003-09-01), Odom et al.
patent: 2004/0222368 (2004-11-01), Odom et al.
patent: 2005/0067563 (2005-03-01), Gilchrist et al.
patent: 2005/0189483 (2005-09-01), Sale
A. Badruzzaman et al., “Multi-Sensor Through-Casing Density and Saturation Measurement Concepts With a Pulsed Neutron Source: A Modeling Assessment.” SPE 89884, 2004 SPE International Petroleum Conference, Puebla, Mexico, Nov. 8-9, 2004, Society of Petroleum Engineers.
A Badruzzaman et al., “Progress and Future of Pulsed Neutron Technology in Oil Field Management.” SPE 49228, 1998 SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, Sep. 27-30, 1998, Society of Petroleum Engineers.
Richard C. Odom et al.;Shaly Sand Analysis using Density-Neutron Porosities from a Cased-hole Pulsed Neutron System, SPE 55641, 1999 SPE Rocky Mountain Regional Meeting, May 15-18, 1999, pp. 1-10, 10 Figs.
Richard C. Odom et al.;Log Examples with a Prototype Three-Detector Pulsed-Neutron System for Measurement of Cased-Hole Neutron and Density Porosities, SPE 71042, SPE Rocky Mountain Petroleum Technology Conference, May 21-23, 2001, pp. 1-10, 7 Figs.
Baker Hughes Incorporated
Hannaher Constantine
Madan Mossman & Sriram P.C.
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