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→Flow detection in and around pipe
===Flow detection in and around pipe===
===Flow detection in and around pipe===
<gallery mode=packed heights=200px widths=200px>
<gallery mode=packed heights=300px widths=300px>
production-logging_fig1.png|{{figure number|1}}Temperature survey showing two gas entries and the geothermal gradient.
production-logging_fig1.png|{{figure number|1}}Temperature survey showing two gas entries and the geothermal gradient.
production-logging_fig2.png|{{figure number|2}}Noise log responses to fluid movement downhole.
production-logging_fig2.png|{{figure number|2}}Noise log responses to fluid movement downhole.