Schlumberger LWD logs

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LWD (Logging While Drilling)

Caliper Ultrasonic

Telescope - DataoverføringPeriscope - GeostyringEchoscope – GR, b, ØN, R Stetoscope – Testing (LWD)

Periscope Electromagnetic measurements forGeosteering Same system as Induction log

Geosteering with Periscope

Same as RST Production logs

StethoScope Formation pressure measurements (LWD)

Pressure measurements

Pressure vs. time (pressure drawdown & buildup)