Workplan Kurt J. Marfurt Tim Kwiatkowski Marcilio Matos Attribute-Assisted Seismic Processing and Interpretation AASPI

2 AASPI 2011 Workplan Image processing/algorithm development Continued development/calibration of azimuthal intensity algorithm Integration of phase residue unconformity attribute into spec_cmp – Marfurt and Davogustto Q estimation from phase component of spectral decomposition Goloshubin and Silin (2008) mobility attribute SOM as Fortran90 algorithms – Atish Roy Introduction of supervision into SOM and GTM – Atish Roy Improved GLCM texture attributes (speed and usefulness) – Moe Yenugu

Correlating ‘intensity’ of hypothesized fracture sets to production 3

SOM applied to GLCM textures 4

5 AASPI 2011 Workplan Calibration to Geological Control Hunton Limestone, Anadarko Basin: correlation of attributes to fractures using outcrops and horizontal image logs – Evan Staples Curvature and clay models – Debu Paul, Evan Staples, Araceli Romero, Bo Zhang Mississippi Chat, Osage Co., OK: Correlation of attributes and elastic inversion to porosity seen in core and image logs – Moe Yenugu Chicontepec Formation, Mexico: correlation of attributes and elastic inversion to depositional environment and porosity via outcrop analogues – Supratik Sarkar and Brad Wallet Barnett Shale, Fort Worth Basin: Correlation of elastic inversion to shale facies – Roderick Perez Diamond M, Permian Basin: Correlation of production to seismic attributes – Roderick Perez

6c-6 Reeds Spring formation, Beaver Lake Dam, Arkansas Tripolite chert reservoir, Mississippian Formation

6c-7 Coherent energy blended with Coherent amplitude gradient Arbuckle Carbonate (Elibiju et al., 2009)

Acoustic Impedance – Removes the wavelet and tuning, improving resolution With well ties, provides a more accurate estimate of porosity Horizon slice along Woodford, Arkoma Basin, OK Z P (g/cm 3 -ft/s) High Low 5 km 8 (Guo et al., 2010; Seismic data courtesy of CGG-Veritas)

2 nd deriv Pos Neg 0 2 nd derivative (negative curvature) of impedance – highlights low-impedance lineaments highlights low-impedance lineaments fault Collapse in Hunton? fault Horizon slice along Woodford, Arkoma Basin, OK 9 (Guo et al., 2010; Seismic data courtesy of CGG-Veritas)

10 AASPI 2011 Workplan Calibration to Engineering Control Coal-bed methane (Australia) –correlation of attributes to deliverability – Oswaldo Davogustto Correlation of core data to surface seismic data, and hydraulic fracturing (Woodford Shale) – Nabanita Gupta Forties Field, North Sea – correlation of attributes to sand production, fluid production, seal and base integrity – Sunday Amoyedo λρ-μρ mapping of fractured rock and bypassed pay; measurement of spectral changes between reflection from and transmission through fractured rock - Roderick Perez Chicontepec, Mexico – correlation of attributes to permeability – Brad Wallet

Bowl Dome RidgeDome buildup 11 (Roderick Perez, OU; Seismic data courtesy of Parallel Petroleum LLC)

Bowl Dome Ridge Dome buildup 12 (Roderick Perez, OU; Seismic data courtesy of Parallel Petroleum LLC)

6000 ft Curv Positive Negative 0 13 Shape and control of induced fractures k 1 curvature 2 km Azimuth Intensity Anisotropy N Co-rendered k1 curvature and anisotropy (Zhang et al., 2010; Seismic data courtesy of Devon Energy)

14 AASPI 2011 Workplan Seismic Processing Algorithm Development Improved anisotropy analysis for fractured layered reservoirs (orthotropic symmetry) – Bo Zhang 2C by 2C prestack time migration will Alford rotation: Diamond M, Permian Basin – Oswaldo Davagustto Prestack gather conditioning for elastic inversion: Chicontepec, Anadarko Basin, Osage Co., … – Kurt Marfurt and Tim Kwiatkowski

Anisotropy of fractured reservoirs 15