Multifunction spectroscopy service

Schlumberger's Pulsar multifunction spectroscopy service is a complete cased-hole formation evaluation and features multiple detectors and a high-output pulsed neutron generator to improve acquisition accuracy and increase both logging speed and measurement precision.

By Schlumberger June 22, 2017

Schlumberger’s Pulsar multifunction spectroscopy service is a complete cased-hole formation evaluation and reservoir saturation monitoring with openhole logging quality. It features multiple detectors and a high-output pulsed neutron generator to improve acquisition accuracy and increase both logging speed and measurement precision. The Pulsar service measurements are complemented by powerful algorithms delivering robust answers that compensate for variations in the borehole fluids and completions to make reservoir monitoring in complex conditions a reality. The Pulsar service simultaneously obtains self-compensated traditional cased hole measurements, an expanded suite of elements including total organic carbon (TOC) and the new fast neutron cross section (FNXS) measurement. Directly sensitive to the volume of gas in the formation, the FNXS measurement differentiates and quantifies gas-filled porosity from liquid-filled and tight zones without requiring any openhole data input. 

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Original content can be found at Oil and Gas Engineering.