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Oil & Gas Training
and Competency Development
Competency Management system SLB NEXT

Techlog Processing and Interpretation of Quanta Geo Images

Participants are trained to use the Techlog wellbore software platform to perform processing and interpretation of photorealistic Quanta Geo formation images.  A simplified physics lecture gives students a foundation of understanding the Quanta Geo physics of measurement.  Starting from raw Quanta Geo data, students are taught to apply tool-specific signal processing methods in Techlog to remove borehole and mud effects and produce images that are most representative of the formation. Students then learn to use and optimize standard Techlog Wellbore Imaging (Wbi) methods to optimally process and visualize Quanta Geo images for interpretation. Emphasis is placed on the recognition of artifacts, and the corrective actions to take to eliminate them.  Optimum adaptation of common Techlog Wbi interpretation workflows is then covered, considering eventual processing artifacts and considering the nature of Quanta Geo images being acquired in resistive oil-base mud.

Day 1

 QG Physics & Processing Overview
 Ex. 1--process QG with default parameters
 QG Electromagnetics Fundamentals 
 QG Physics
 QG Calibration
 QG Z90 Modes
 QG Corrected Amplitude & Blending 
  Ex. 2--processing parameters investigation

Day 2

   Ex. 2 Processing parameters investigation
   Ex. 3--processing challenging datasets
   QG Image Artifacts Catalog
   Interactive Depth Correction
   New Automatic Depth Correction
   Ex. 4--depth correction
   QG Utilities, Splicer, Drillmark Filter
   Ex. 5--mode splicing & remedial

Day 3

   QG LQC & Deliverables
   Ex. 6--Challenge Competition
   QG Virtual Core & Virtual Slab
   Ex. 6--Challenge Cont'd
   Challenge Results Presentations
   QG Inversion Principles & Demo

Day 4

   QG Advanced Applications
   TL Wbi interpretation Basics
   QG Structural Analysis
   QG Sandcount     
   QG Facies Analysis
   Results upscaling & export
   Open Discussion & Conclusion

Learning activity mix

Geologists, Petrophysicists, and Geomechanics Specialists interpreting Quanta Geo images.

Quanta Geo physics of measurement.
Quanta Geo tool-specific signal processing in Techlog.
Quanta Geo Techlog Wbi processing and visualization.
Quanta Geo quality control and remediation of artifacts in Techlog.
Quanta Geo-adapted interpretation workflows in Techlog Wbi.

Students should have at least basic familiarity with the Techlog user interface, data structure, workflow manager, and plots.  Experience using the Techlog Wellbore Imaging (Wbi) module is also a plus.

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