Interpretation of Depositional Facies using Seismic Attributes

1
Interpretation of Depositional Facies using
Seismic Attributes
1. Well log calibration and interpretation
2. Fundamental seismic attributes
Instantaneous amplitude
Waveform cluster
Instantaneous phase
Coherency cube
Instantaneous frequency
2
Guai19 Well Log--Depositional Facies
Depositional facies
lithlogy
River-lake
K1tg
?
2524
Fluvial Face
J2t
2618
Lake Face
J2x
2644
Lake Face
J1s1
2688
2728
J1s21
Fluvial-lake face
108M
2734
J1s22
2796
56MS
Lake Face
J2s3
3002
River-swamp
J1b
3
Reference Layer Selection
Reference Layer
110Hz
4
Seismic to Well Calibration
Reference layer
J1S1
J1S1
J1S21
J1S21
Top of the reservoir -8-10ms
Bottom of the reservoir -12-14ms
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Average Amplitude Interpretation
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Average Amplitude Interpretation
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Average Amplitude Interpretation
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Average Amplitude Interpretation
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Average Amplitude Interpretation
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Average Amplitude Interpretation
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Average Amplitude Interpretation
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Instantaneous Frequency
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Instantaneous Frequency
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Instantaneous Frequency
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Instantaneous Frequency
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Instantaneous Phase
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Instantaneous Phase
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Instantaneous Phase
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Instantaneous Phase
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Coherency Cube
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Coherency Cube
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Coherency Cube
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Coherency Cube
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Waveform Cluster Versus Structure
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Waveform Cluster Versus Structure
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Waveform Cluster Versus Structure
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Waveform Cluster Versus Structure