What’s new in well logging and formation evaluation ///

Several advances have been made in cased-hole wireline logging. These include new-generation pulsed-neutron logging tools, devices for assessing casing integrity, and a sensor package for flow profiling. Cased-hole/Pulsed-neutron logging. A recent operator-authored paper discusses the additional advantages and benefits to reservoir monitoring that accompany use of the new generation of three-detector pulsed-neutron logging (PNL) tools. These tools can provide valuable results, where data from conventional two-detector PNL tools may be ambiguous. The paper presents examples from a range of reservoir lithologies and produced fluids.

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