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Introduction to Constrained Sparse Spike Inversion (JW-110)

Aug 30 - Sep 03, 2021 9:00 am
Online Houston (CST) , USA

Category: Training

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Learning Objectives

Acquire the ability to perform Simultaneous Inversion projects with basic settings and QC analysis. Through practice and experience, students will be able to understand the inversion workflow and interpret the results. Thereby the students learn to take full advantage of RockTrace® functionalities and capabilities


This training course is intended for people who want to start working with Jason software, or for those who want to learn more about Simultaneous AVO/AVA Inversion Pre-requisite


Constrained Sparse Spike Inversion (CSSI) is a technique to invert seismic data to elastic property volumes. The Jason™ Workbench provides the RockTrace® module to perform Simultaneous AVA/AVO Inversion based on CSSI. In RockTrace®, the objective is to solve for shear impedance and where possible density in addition to acoustic impedance. The resulting volumes of absolute rock properties are tightly calibrated to the well log data. These results are most commonly used to delineate lithology, porosity, fluid content and other petrophysical parameters. This course will teach the participants to independently run the RockTrace®’ Simultaneous Inversion software, QC, interpret and analyse the results. You will learn the workflow and QC procedures to perform an inversion using RockTrace®.

Day 1

  • Introduction to Constrained Sparse Spike Inversion
  • Deterministic Workflow
  • Project Setup and Data Loading
  • QC of Imported Data
  • Data Alignment

Day 2

  • Project Feasibility
  • Well Editor and seismic tie
  • Wavelet Estimation

Day 3

  • Horizon Editing
  • Trend and stratigraphic modeling
  • Setting the RockTrace Inversion Parameters
  • RockTrace Inversion on a Synthetic Dataset
  • Review of Inversion Parameter Testing
  • RockTrace Inversion on the Amberjack Dataset

Day 4

  • QC’ing the inversion results
  • Analysing and interpretation of inversion results

Duration: 4 days(Including the pre-requisite courses it will take 5 days)

Software used: Jason Workbench; Inversion with RockTrace®; Quantitative analysis with BodyChecking and Facies and Fluids Probability (FFP) 

Course Format: Instructor-led, workflow-based, classroom training

Instructor(s): TBD

Prerequisites: JW-000 Visualizing and Managing Data Using the Jason Workbench and GeoSoftware Integration Tutorial  

Number of Participants:


US $4500.00

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