Microseismic Processing, Interpretation, and Applications

Day 1

Introduction to Microseismic Monitoring and Fundamentals.

  • Overview
  • Fundamentals
  • Monitoring systems and configurations
  • Event Location: basics and principles
  • Advanced processing
  • Examples

Day 2

Microseismic Interpretation, Quality Assurance of Events Data, and Qualitative Interpretation Methods.

1. Overview of microseismic interpretation, applications, and objectives

2. Historical perspective of fracturing theory and microseismic measurements

  • Early studies – M-Site, Cotton Valley, Barnett Shale and implications on the understanding of fracture geometry
  • Images of hydraulic fractures (mine-back and outcrops)
  • Current understanding of the significance of microseismic events

3. Quality control of microseismic event for interpretation

  • Magnitude versus distance
  • Signal quality parameters
  • Uncertainty
  • Monitoring configurations – special considerations for detection and uncertainty
  • Surface microseismic
  • Time synchronization with treatment data
  • Waveform measurements and display

4. Qualitative interpretation methods and applications

  • Dimension and azimuths
  • Stimulated volume estimates
  • Time-dependent behavior
  • Case history 1 – Comparison of fracture geometry from two different pumping schedule designs

5. Discussion topic – What is ESV/SRV and its relevance in interpretations of fracture geometry and well performance?

Day 3

Sources of Microseismic Events during Fracturing, Failure Mechanisms, Source Parameters and Source Wave Radiation Patterns.

1. Waveforms and spectral analysis

  • Expanded description of microseismic event source mechanism properties
  • Spectral analysis to determine source wave mechanisms (Brune model)
  • Source parameters – moment, moment-magnitude, radius, and stress drop

2. Event magnitudes and interpretation

  • Event magnitude distributions (b-value)
  • Interpretation of b-values and event magnitude catalogs
  • Case history 1 re-visited – Interpretation of event magnitudes and distributions

3. Seismic moment and applications

  • Explanation of seismic moment parameter and its relationship to event magnitudes
  • Cumulative moment versus ESV/SRV as a qualitative evaluation tool
  • Cumulative moment versus time
  • Cumulative moment versus depth
  • Case history 2 – Induced stresses and effects on microseismic response in a single-well completion

4. Source wave radiation patterns and source wave amplitudes

  • Failure mechanisms and source-wave radiation patterns
  • P/S Amplitude ratio
  • Hypothetical modeling of amplitude ratios in strike-slip and dip-slip failures
  • Qualitative interpretations of fracture complexity using amplitude ratios
  • Case history 3 – Interpretation of failure mechanisms using surface and downhole microseismic data

5. Introduction to moment-tensor inversion, visualization, and interpretation

  • Inversion process and monitoring requirements
  • Moment-tensor visualization – Beachballs, Hough plots, E-O-S visualization
  • Interpretation of the moment-tensor inversion

6. Discussion topic – How does what has been learned so far bring value to completion and hydraulic fracture treatment design?

Day 4

Data Integration and Interpretation Applications

1. Data integration and geological context

  • External factors that can influence microseismic responses
  • Formation tops and surfaces
  • Mechanical earth models
  • Visualization and interpretation in a well-described geological model

2. Interpretations for fracture treatment and completion design optimization in vertical wells

  • Fracture dimensions and azimuths
  • Height containment and staging design in vertical wells
  • Well spacing considerations

3. Interpretations for fracture treatment and completion design optimization in vertical wells

  • Fracture orientation and well path
  • Well spacing considerations and interference with offset wells
  • Well landing point evaluations
  • Induced stresses and effects on fracture geometry in pad completions
  • Special considerations when reservoir pressure depletion is present

4. Discussion topic – Can microseismic data determine proppant placement and predict well performance?

Day 5

Integrated Microseismic Interpretation and Fracture Modeling.

  • Case history of fracture modeling and microseismic measurements in a vertical well (conventional reservoir)
  • Case history of fracture modeling and microseismic measurements in a horizontal well (unconventional reservoir)
  • Wrap-up and conclusion

Event Properties

Event Date 04-06-2020 8:00 am
Event End Date 04-10-2020 5:00 pm
Registration Start Date 09-05-2019
Capacity 16
Registered 0
Available place 16
Cut off date 03-16-2020
Individual Price $2,950.00
Gaidar St, Almaty, Kazakhstan

Group Rate

#Registrants Rate/Person($)
6 2,750.00
12 2,450.00
$2,950.00 16
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