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TUTORIAL 5

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by

Wael El Basel

on 17 November 2014

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Transcript of TUTORIAL 5

TUTORIAL 5

RULES USED IN THIS TUTORIAL
Δt
Fig 4-1 shows GR
and sonic data for dolomite-shale sequence. calculate dolomite porosity after shale correction for zones A-K
THANK YOU
SONIC POROSITY LOG
The use of sound waves to measure the porosity , where a transmitter and a receiver are installed in the tool and measures the porosity by the delay of the sound waves sent in the formation. (Δt)
sh
1)
2)
3)
sonic corrected
transit time in microsec./ft
SANDSTONE
LIMESTONE
DOLOMITE
55.5
47.5
43.5
Given :
GRc=20,GRsh=100,Δtmat=43.5 µsec/ft
Δtsh=86 µsec/ft,Δtf=189 µsec/ft
Wael El Basel
Full transcript