ARK CLS Seismic Net Pay V3.4

ARK CLS Limited

All rights reserved. No part of this publication may be reproduced and/or published by print, photo print, microfilm or any other means without the written consent of ARK CLS Limited. Seismic Net Pay uses the process detailed in: Conolly, P.A., 2005, Net Pay estimation from seismic attributes, EAGE extended Abstracts. Conolly, P.A., October 2007, A simple, robust algorithm for seismic net pay estimation, The Leading Edge.


Table of Contents

1. Introduction
2. Theory Overview
1. Theory Overview
2. Conditions and limits
3. References and Acknowledgements
3.1. References
3.2. Acknowledgements
3. Quick Start - SnpQt Tutorial
1. Application Overview
2. Data Requirements
2.1. Seismic Data
2.2. Horizon Data
2.3. Wavelet Specification
2.4. Pay/Non-Pay Velocity
2.5. Well Calibration
2.6. Uncertainty Estimation
2.7. Output Data
3. Step-by-Step Guide
4. User Manual
1. Interfacing with the SnpQt Application
1.1. SnpQt Main Window
1.1.1. Menubar Area
1.1.2. Toolbar Area
1.1.3. Chart Area
1.1.4. Status Area
1.1.5. Application Diagnostics
2. User interaction with Chart Area
2.1. Direct Interactions
2.1.1. Global Zooming
2.1.2. Data Zooming
2.1.3. Moving Data
2.1.4. Changing Axes
2.2. Chart Controller
2.2.1. Creating a New Chart
2.2.2. Moving Charts
2.2.3. Deleting Charts
2.2.4. Saving and Loading Chart Configurations
2.2.5. Changing the Number of Columns
2.2.6. Zooming In and Zooming Out
2.3. Display Options
2.3.1. Chart
2.3.2. Management of Data Items
2.3.3. Editing Palettes
3. SNP Processing Controller
3.1. Input Data tab
3.1.1. Calculation Tab
3.1.2. Load Tab
3.2. Wavelet tab
3.3. Velocity Tab
3.4. Well Data tab
3.5. Uncertainty tab
3.5.1. Calibration Uncertainty
3.5.2. Amplitude Uncertainty
3.6. Output Data tab
3.6.1. Output Data Selection
3.7. Parameters Tab
3.8. Selection Dialogs
3.8.1. Select Input Seismic Volumes
3.8.2. Select Input Horizon Attributes
3.8.3. Select Output Horizon Attributes

List of Figures

2.1. Wedge model with a wavelet convolution
2.2. Average Amplitude and Net to Gross
4.1. SnpQt main window
4.2. Application Diagnostics Dialog
4.3. Global Chart Area Zooming
4.4. Data Zooming on Charts
4.5. Moving Data on Charts
4.6. Chart Controller dialog
4.7. Create a new Chart
4.8. Moving Charts
4.9. Deleting Charts
4.10. Changing the Number of Columns
4.11. Display Options dialog
4.12. Changing Chart Properties
4.13. Grid Data Items
4.14. Series Data Items
4.15. Frequency Ranges
4.16. Editing Palettes
4.17. Select Colour Slider
4.18. Set Slider Colour
4.19. Process Controller - Input Data - Calculation tab
4.20. Process Controller - Input Data - Load tab
4.21. Chart display after Load Horizon Data
4.22. Process Controller - Wavelet tab
4.23. Wedge model and calculation
4.24. Wavelet tab - Av Amp vs Time Thickness
4.25. Wavelet tab - Av Amp vs Time Thickness
4.26. Velocity tab
4.27. Net to gross correction curve
4.28. Well Data
4.29. Seismic Net Pay vs Well Net Pay
4.30. Seismic Net Pay vs Well Net Pay
4.31. Process Controller - Uncertainty tab (Calibration Uncertainty)
4.32. Process Controller - Uncertainty tab (Amplitude Uncertainty)
4.33. Process Controller - Output Data tab
4.34. Parameters tab
4.35. Select Volume (OpenWorks R5000)
4.36. Select Volume (GeoFrame)
4.37. Select SEGY
4.38. Edit Template
4.39. Select Horizon Atribute (OpenWorks 2003.12)
4.40. Select Horizon Attribute (OpenWorks R5000)
4.41. Select Horizon (GeoFrame)
4.42. ASCII Data Selector
4.43. Select Horizon Attribute (OpenWorks 2003.12)
4.44. Select Horizon (OpenWorks R5000)
4.45. Select Horizon (R5000)
4.46. ASCII Data Selector