A new nuclear logging-while-drilling (LWD) instrument for use in boreholes as small as 5 7/8 inches is discussed. It includes a standard Cesium-137 source for the density measurement and a Californium-252 neutron source for the porosity measurement. This

Keywords:
Upstream Oil & Gas, porosity measurement, porosity, Symposium, neutron detector, simulation result, neutron porosity, correction, well logging, californium-252 neutron source
Subjects:
Formation Evaluation & Management, Open hole/cased hole log analysis
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2006. Society of Petrophysicists & Well Log Analysts
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