![Page 1: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/1.jpg)
October 29, 2015
Gather Conditioning, Processing
Impact on AVO and Rock
Property Prediction
Roger A. Young
![Page 2: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/2.jpg)
October 29, 2015
Seismic PetrophysicsThe Careful Synthesis of
Seismic and Well Logs
![Page 3: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/3.jpg)
October 29, 2015
Alpine FieldNorth Slope, Alaska
A tale of a Billion Barrels
![Page 4: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/4.jpg)
October 29, 2015
Creating a Valid Model
Bergschrund #1 Well
Well Log Information as Logged
![Page 5: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/5.jpg)
October 29, 2015
Creating a Valid Model
Bergschrund #1 Well
Well Log Information as Logged
Modeled
Gather
Offset
![Page 6: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/6.jpg)
October 29, 2015
Creating a Valid Model
Bergschrund #1 Well
Well Log Information as Logged
Modeled
Gather Actual
Nearby
Gather
Offset Offset
![Page 7: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/7.jpg)
October 29, 2015
Creating a Valid Model
Modeled
Gather Actual
Nearby
Gather
Bergschrund #1 Well
Well Log Information Corrected
Offset Offset
![Page 8: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/8.jpg)
October 29, 2015
Some Thoughts on Correcting the Logs
![Page 9: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/9.jpg)
October 29, 2015
Raw Log Curves
After Median
Smoother
GR SP Rt Dt Rhob Nphi Cali
![Page 10: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/10.jpg)
October 29, 2015
RT replaces the
HF part of rhob.
Result is no real
change.
GR SP Rt Dt Rhob Nphi Cali
![Page 11: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/11.jpg)
October 29, 2015
Log editing
using Rt as a
constraint
where logs go
bad.
Previous Slide
Focus
GR SP Rt Dt Rhob Nphi Cali
![Page 12: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/12.jpg)
October 29, 2015
Constraining Logs with Eigen Vectors
GR SP Rt Dt Rhob Nphi Cali
Input = Green 3 vectors depth variant = Black
![Page 13: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/13.jpg)
October 29, 2015
Rhob Nphi GR Grain Density
from input
Nphi Rhob
Vclay
Overlay
![Page 14: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/14.jpg)
October 29, 2015
Rhob Nphi GR Grain Density
from output
Nphi Rhob
Vclay
Overlay
![Page 15: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/15.jpg)
October 29, 2015
Log Analysis Workflow
Input Well Logs Rocks
Inversion
DT Density Nphi RT GR SP
![Page 16: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/16.jpg)
October 29, 2015
Log Analysis Workflow
Input Well Logs Rocks Output Logs
Inversion Forward modeling
DT Density Nphi RT GR SP DT Density Shear
![Page 17: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/17.jpg)
October 29, 2015
Synthetic Tie
Synthetic Tie Before
![Page 18: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/18.jpg)
October 29, 2015
Synthetic Tie
Synthetic Tie Before Synthetic Tie After
![Page 19: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/19.jpg)
October 29, 2015
Typical Multi-Well Example
![Page 20: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/20.jpg)
October 29, 2015
Deep Resistivity
All RT
curves are
in
alignment
![Page 21: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/21.jpg)
October 29, 2015
Sonic
Not the
case with
DT
![Page 22: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/22.jpg)
October 29, 2015
Density
Not the
case with
Rhob
![Page 23: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/23.jpg)
October 29, 2015
Sonic
![Page 24: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/24.jpg)
October 29, 2015
Density
![Page 25: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/25.jpg)
October 29, 2015
Initial Model for Inversion
![Page 26: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/26.jpg)
October 29, 2015
Rhob
Raw Logs
Full Bandwidth
4 Wells
![Page 27: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/27.jpg)
October 29, 2015
Rhob
Raw Logs
0 – 10 Hz
4 Wells
![Page 28: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/28.jpg)
October 29, 2015
Rhob
FM Logs
0 – 10 Hz
4 Wells
Model Normalization
![Page 29: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/29.jpg)
October 29, 2015
Rhob
FM Logs
0 – 10 Hz
4 Wells
Model Normalization
Spectral Recursive
Inversion
![Page 30: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/30.jpg)
October 29, 2015
Rhob, FM Logs
0 – 10 Hz
4 Wells
Model Normalization
Spectral Recursive
Inversion
Black Logs FM
Green Inversion
![Page 31: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/31.jpg)
October 29, 2015
Seismic Processing for Inversion
![Page 32: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/32.jpg)
October 29, 2015
Residual NMO Multiple Removal NMO Stretch
Seismic Data Preparation
![Page 33: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/33.jpg)
October 29, 2015
Before Scaling
![Page 34: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/34.jpg)
October 29, 2015
After Scaling
![Page 35: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/35.jpg)
October 29, 2015
Model
![Page 36: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/36.jpg)
October 29, 2015
Oil
Sand
Shale
Creating the Model
Lithology Porosity
![Page 37: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/37.jpg)
October 29, 2015
Pore Pressure Resulting Full Offset Stack
Velocity
Creating the Model
![Page 38: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/38.jpg)
October 29, 2015
The Perfect ModelGathers
Near and Far Stacks
Intercept (P) Gradient (G)
P vs G cross plots
AVO Types
Lithology Inversion
Velocity Inversion
Density Inversion
![Page 39: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/39.jpg)
October 29, 2015
Single Trace Scaler
![Page 40: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/40.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 41: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/41.jpg)
October 29, 2015
Single trace scaler
Every 20th gather P Stack G Stack
![Page 42: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/42.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 43: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/43.jpg)
October 29, 2015
Single trace scaler
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 44: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/44.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 45: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/45.jpg)
October 29, 2015
Single trace scaler
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 46: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/46.jpg)
October 29, 2015
1000ms AGC Scaler
![Page 47: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/47.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 48: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/48.jpg)
October 29, 2015
AGC Scaler
Every 20th gather P Stack G Stack
![Page 49: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/49.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 50: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/50.jpg)
October 29, 2015
AGC Scaler
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 51: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/51.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 52: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/52.jpg)
October 29, 2015
AGC Scaler
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 53: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/53.jpg)
October 29, 2015
NMO Stretch
![Page 54: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/54.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 55: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/55.jpg)
October 29, 2015
NMO Stretch
Every 20th gather P Stack G Stack
![Page 56: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/56.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 57: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/57.jpg)
October 29, 2015
NMO Stretch
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 58: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/58.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 59: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/59.jpg)
October 29, 2015
NMO Stretch
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 60: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/60.jpg)
October 29, 2015
Automatic
High Resolution NMO
![Page 61: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/61.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 62: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/62.jpg)
October 29, 2015
High Resolution RNMO
Every 20th gather P Stack G Stack
![Page 63: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/63.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 64: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/64.jpg)
October 29, 2015
High Resolution RNMO
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 65: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/65.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 66: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/66.jpg)
October 29, 2015
High Resolution RNMO
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 67: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/67.jpg)
October 29, 2015
AGC, NMO Stretch
![Page 68: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/68.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 69: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/69.jpg)
October 29, 2015
AGC, NMO Stretch
Every 20th gather P Stack G Stack
![Page 70: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/70.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 71: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/71.jpg)
October 29, 2015
AGC, NMO Stretch
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 72: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/72.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 73: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/73.jpg)
October 29, 2015
AGC, NMO Stretch
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 74: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/74.jpg)
October 29, 2015
1000ms AGC Scaler
Then
Apply Offset Scaler to Correct
![Page 75: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/75.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 76: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/76.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
AGC Scaler + Offset Scaler
![Page 77: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/77.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 78: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/78.jpg)
October 29, 2015
AGC Scaler
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 79: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/79.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
AGC Scaler + Offset Scaler
Inverted Space
![Page 80: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/80.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 81: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/81.jpg)
October 29, 2015
AGC Scaler
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 82: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/82.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
AGC Scaler + Offset Scaler
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 83: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/83.jpg)
October 29, 2015
NMO Stretch
Then
Filter Back to Far Offset Frequency
Content
![Page 84: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/84.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
Perfect Model
![Page 85: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/85.jpg)
October 29, 2015
NMO Stretch
Every 20th gather P Stack G Stack
![Page 86: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/86.jpg)
October 29, 2015
Every 20th gather P Stack G Stack
NMO Stretch then Filter Back
![Page 87: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/87.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
Perfect Model
Inverted Space
![Page 88: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/88.jpg)
October 29, 2015
NMO Stretch
Cross Plot of P vs G
Color is Porosity
Inverted Space
![Page 89: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/89.jpg)
October 29, 2015
Cross Plot of P vs G
Color is Porosity
NMO Stretch then Filter Back
Inverted Space
![Page 90: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/90.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
Perfect Model
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 91: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/91.jpg)
October 29, 2015
NMO Stretch
OIL
-------
SAND
-------
SHALE
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 92: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/92.jpg)
October 29, 2015
OIL
-------
SAND
-------
SHALE
NMO Stretch then Filter Back
Inverted Space
Cross Plot of P vs G
Color is Lithology
Shale is Green
Sand is Yellow
Oil is Red
![Page 93: Gather Conditioning, Processing Impact on AVO and Rock](https://reader030.vdocument.in/reader030/viewer/2022012511/61898b8fce91dd45aa395157/html5/thumbnails/93.jpg)
October 29, 2015
Conclusion: Rock-Based Integration
THE
ROCKS
Petrophysical Geological
Engineering Geophysical