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2014 AASPI Workplan

Kurt J. Marfurt

Jamie Rich

Vikram Jayaram

Marcilio Matos

OU AASPI Team

Attribute-Assisted Seismic Processing and Interpretation

AASPI

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Poststack Attribute and Image Processing Algorithm Development

Task Program name Researcher Implement volumetric flexure attribute flexure3d Jamie Rich, Kurt Marfurt

Q estimation from magnitude component of spectral decomposition

q_estimationFangyu Li; Kurt Marfurt

Dispersion compensation using phase component of spectral decomposition

spec_cwtFangyu Li

Extension of CWT to prestack gathers spec_cwt

Fangyu Li Sketetonization using Biometric algorithm skeletonize3d Bo Zhang, Jie Qi

AASPI 2014 Workplan

Shale dewatering – west Africa(t=3.2 s)

Texture 1

Texture 2

Texture 3

20 km

AASPI 2014 Workplan: Large scale texture analysis

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AASPI 2014 Workplan

Attribute Calibration using Geological Control Task Researcher

Mississppi Lime: Continued correlation of attributes to fractures using outcrops and horizontal image logs (Noble County, OK) Trey StearnsMississippi Lime: More well control to blind test prestack inversion lithology and fracture prediction (Kay County, OK)

Daniel Trumbo; Mark Aisenberg

Mississippi Lime: Prestack reprocessing and inversion for Mississippi Lime (Nolon Co., TX) Sumit VermaWoodford Shale: Establish Proxy for TOC and petrofacies using 100s of wells correlated to prestack inversion and attributes using ANN Sumit Verma Write tutorial on attribute application to depth vs. time migrated volumes Tengfei Lin

Mapping transfer zones and rift systems - clay models, outcrops, and seismic data Debu Paul

Correlation of present day stress

vector and faults (plate boundaries)

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Africa

http://peterbird.name/publications/2006_South_Africa

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“Vector” correlation between anisotropy, a, and curvature c

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AASPI 2014 Workplan

Attribute Calibration using Engineering Control Correlate azimuthal anisotropy and curvature strike Shiguang GuoFt Worth Basin, TX: Measurement of azimuthal spectral changes between reflections from top and bottom of hydraulically-fractured shale

Fangyu Li

Improving attribute based productivity maps using segmented sensitivity analysis Jamie Rich Characterizing stratigraphic controls on microseismic height growth using source characterization and seismic attributes

Jamie Rich and Sara Long

Correlate rate of penetration to attributes in horizontal Mississippi Lime wells Marcus CahojTexture based Classification using GMRF/Gabor Energy, Finding nonlinear relationships between production measurements and seismic data - introducing supervision into SOM, GTM & SVM algorithms Vikram JaayramPreliminary results comparing Support Vector Machine to AAN and SOM clustering Toan Zhao

• Microseismic source characterization and correlation with stratigraphy/seismic attributes

• Fault plane solutions Full moment tensors?

• Quantifying value of multiple monitor wells– Error as a function of number of monitors and SNR– Effect of Double Difference locations vs. number of monitors

and SNR

• Uniqueness of VTI velocity models, we all know that the correct VTI model gives us better locations, but what about incorrect VTI models?

• A new approach for attribute based ‘productivity maps’

AASPI 2014 Workplan – Integrating Microseismic

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Relative Curvature Cutoff

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• 3D Supervised Facies Classification (Tao Zhao, Atish Roy, V. Jayaram) Applications : Sweet Spot Identification, Generating Classification maps EUR prediction & Mapping Production Data

Techniques Investigated : Distance Metrics in GTM, SOM (Atish Roy) Support Vector Machines (Tao Zhao)

• Transformations or Blind Source Separation Techniques (V. Jayaram) Applications : Dimensionality Reduction & Cluster Analysis

Techniques Investigated : Noise Adjusted Principal Components (Atish Roy)

Independent Component Analysis

Emerging trends & Algorithm development

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• Statistical Parameterization of Well Data (David Lubo, V. Jayaram) Applications : Reservoir Characterization, Correlating Well data to Seismic Attributes

Techniques Investigated : Gaussian Mixture Models (David Lubo) Markov Models • Non-Linear Regressors (Melia da Silva, V. Jayaram) Applications : Establishing quantitative relationships between fracture intensity and curvature, Correlating Production Data to Seismic Attributes

Techniques Investigated : Gaussian Mixture Regression Kernel Regression • Texture Analysis (Marcus Cahoj, V. Jayaram) Applications : Geology Interpretation, Fault Identification

Techniques Investigated : Gabor Energy Vs. GLCM

Emerging trends & Algorithm Development

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Average fracture intensity vs. curvature

(White, 2013)

Elastic deformation

Fracture generation

Fracture saturation

Faulting

This is NOT a linear

correlation

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Prestack Data Conditioning and Imaging Algorithm Development

Task Researcher 5D interpolation via preconditioned least-squares prestack time migration Shiguang Guo

Migration-driven converted-wave velocity analysis: Fort Worth Basin Sumit Verma

Prototype diffraction imaging based on constrained least-squares migration algorithm Shiguang Guo

Detailed interval velocity analysis to preserve long-offset data for improved λρ, μρ, ρ, and anisotropic measures sensitive to TOC

Bo Zhang

Wavelet based high-resolution Radon Bo Zhang Extended simultaneous inversion to long offsets Sumit Verma Analyzing the advantages of the PP+PS over PP data, for shale resource plays. Further, establishing a workflow for PS data processing. – Sumit Verma Sumit Verma Spectral balancing of prestack data Kurt Marfurtgeneralize sof_prestack to run across offset, azimuths Kurt Marfurt

AASPI 2014 Workplan

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AASPI 2014 Workplan Diffraction imaging

CLSM with cosθ obliquity factor

Time-processed

shot gathers

Migration velocities

Migrated gathers

dip3d Dip and azimuth

cosθ

CLSM with (1-cosθ) obliquity factor

Diffraction image?

Demigrated shot gathers

stack

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AASPI 2014 Workplan

Suggestions from the floor?