Drilling

EWR®-PHASE 4 Resistivity Sensor Case Studies

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	Title	Date
	Slimhole Resistivity Sensor Helps Invigorate Mature Field (Russia) TNK-BP in Russia was looking to ncrease production from its mature Western Siberia oil fields. There was a pressing need for logging-while-drilling (LWD) resistivity tools that could help navigate to bypassed pockets of oil, however with 146-mm (5-3/4-in	Oct 2009
	SOLAR™ Geo-Pilot® XL Rotary Steerable System and SOLAR™ Logging-While-Drilling Tools Enable Drilling of High-Temperature Wells in UK North Sea Sperry Drilling Services was approached by an operator to drill their high-temperature field appraisal campaign in the central sector of the UK North Sea.	Aug 2008
	EWR-PHASE 4™ Sensor Saves Approximately $268,000 by Indicating Rock Quality The operator relogged the section with the EWR-PHASE 4 sensor in just nine hours because of its fast sampling rate, instead of the 24 hours it would have taken with the competitor's system.	Oct 2007