Figure F11. Summary of temperature measurements, Site C0020. Two types of logging tools, the Environmental Measurement Sonde (EMS) and the Modular Formation Dynamics Tester (MDT), measured borehole temperature in situ. The MDT recorded the temperature, during pretests (single probe [SP]) and fluid sampling (Quicksilver [QS] probe). The maximum temperature at the bottom of the hole was estimated by temperature build-up pattern during logging operations (Horner plot method) that shows the maximum temperature gradient of 24.0°C/km.
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