RokDoc For Interpreters - 2 Day Course

Available as a public course
Available as a private in-house course

This two-day course is intended for industry professionals aiming to reduce uncertainty in their seismic interpretation, through the common-sense application of standard rock physics workflows. You will examine the quantitative relationship between geology and geophysics in an intuitive, interactive way, leading to an increased understanding of the seismic response in the subsurface.

Attendees are guided though the basics of the RokDoc software, before focusing in on data QC and calibration, log prediction and fluid substitution. The conditioned data are then used to create offset synthetics and elastic logs, to model the seismic response to various geological scenarios. Finally, the well is tied to the seismic, allowing 2D models to be constructed incorporating both well and seismic data.

Full Course Outline

What is RokDoc?  
Introduction to Rock Physics

  • What is Rock Physics?
  • A RokDoc Workflow

Workflow 1 – Project Management

Workflow 2 – OpenSpirit Link (Optional)

  • Selecting the Coordinate Reference System
  • Import data from OpenSpirit
  • Export data to OpenSpirit

Workflow 3 - Importing well data (Optional)

  • Log Data
  • Markers
  • Position Sets
  • Checkshots

Workflow 4 – Creating Fluid Sets

Workflow 5 - Loading and Viewing Seismic Data

  • Importing SEG-Y data from a single file
  • Importing Horizon data
  • Importing a folder of SEG-Y data
  • Inline & Crossline Viewers

Workflow 6 - Well Viewer

  • Launching the Well Viewer
  • Colourfills
  • Working Intervals
  • Volume Sets – Minerals
  • Saturation Sets – Fluids

Workflow 7 - Cross-plotting

  • Launching the Cross-plotter
  • Overlays
  • Polygons

Workflow 8 – Vs Prediction

Workflow 9 - Log Editing

  • Depth Match Logs
  • Edit Logs
  • Manual Log Edits
  • Cross-plotter Log Edits

Workflow 10 - Log Calculator

Workflow 11 - Domain transformations

  • MD – TVDss
  •  TVDss – TWT

Workflow 12 – Log operations – Fluid substitution

Workflow 13 – Synthetic gathers

Workflow 14 – Wavelet Estimation

  • Creating a statistical wavelet
  • Backus Averaging
  • Create Synthetic
  • Defining wavelet estimation inputs
  • Create Synthetic

Workflow 15 - Tuning model

  • Creating a Simple Tuning Wedge
  • Manipulating the Model Parameters
  • Measuring Attributes
  • Changing Body Properties

Workflow 16 - Model from seismic

  • Bringing Seismic into RokDoc 2D
  • Bayesian Classification
  • Coloured Inversion

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