Seismic Fracture Detection
Jaap Mondt
Course content
As part of a more extensive course on Fractured
Reservoirs, I have developed the geophysical part called "Seismic
Fracture Detection". It discusses the seismic acquisition
requirements for multi-azimuth analysis using NMO velocity
anisotropy to determine the fracture orientation of vertical
fracture systems and Amplitude versus Angle of Incidence (AVA) for
improved resolution and determination of fracture density. The use
of P-wave, PS-wave (Converted-wave) and S-wave data are discussed
and used in AVA exercises. The program, which could be given
Face-to-Face or Virtual, is as follows
Day by day programme
Day 1
09:00-10:00 Introduction: Program, Biography, Moodle
10:00-10:45 Seismic Acquisition & Processing, Seismic
Workflow
10:45-11:15 Seismic Resolution
11:15-11:30 Refreshments
11:30-12:00 Seismic for QI, Rock Physics
12:00-13:00 Azimuthal NMO Velocity
13:00-14:00 Lunch
14:00-14:30 Effective Media, PSF Resolution, Elastic
Impedance
14:30-15:00 Effective Media, AVA
15:00-15:15 Refreshments
15:15-15:45 Anisotropy, Lambda-Mu-Rho, Azimuthal AVA
15:45-17:00 Azimuthal AVA, AVA-VTI-HTI
17:00-17:30 Team I: Preparation Summary of day 1
Day 2
09:00-09:30 Team I: Summary of day 1
09:30-10:30 Machine learning, FWI, Inversion versus Machine
learning
09:45-10:15 AVA Rss, AVA ΔRss,
10:15-11:00 PP+PS=SS, Fractures
11:00-11:15 Refreshments
11:15-11:30 AVAz Fractures
11:30-12:30 AVA Rps, AVA ΔRpp
12:30-1300 Case Studies
13:00-14:00 Lunch
14:00-15:00 Quiz 1 & 2
15:00-15:30 Preparation & Presentation Summary Day 2