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Log Quality Control and Petrophysics (PPH25)

  • 4-8 September 20175 daysVienna, AustriaCourse Fee: 3250 EUR + VAT
    Computer Fee: 250 EUR + VAT

Description

The certification of the acquired data is a very critical aspect of wireline logging. It is performed through the observation of key quality indicators; the main objective of this course is to make you aware of these quality indicators as well as the different techniques to solve commonly found issues at the wellsite. The course is intended for oil industry professionals who deal with wireline logs QA/QC in their job.
The course will explore the tools response explained from their physical principles as well as their relationship with the rock and fluid properties, most common open hole logging technologies will be covered explaining their main applications and limitations. Basic petrophysical interpretation will be discussed with numerous examples and exercises in order to complement your knowledge to be able to perform a proper log QA/QC analysis.

This training course will feature:
  • Explanation of petrophysical concepts and techniques
  • Discussions on tools physical principles, applications and QA/QC
  • Tool limitations on different borehole environments
  • Metrology concepts and applications on wireline logs
  • Multiple log quality control exercises


Course Level: Basic to Intermediate
Instructor: Angel Meso

Designed for you, if you are...

  • An engineer in exploration and production departments
  • A geologist, geophysicist or petrophysicist
  • A petroleum, reservoir or drilling engineer
  • In general, any other oil & gas industry professional who is involved in logging data QA/QC and validation

How we build your confidence

This training course will utilise a variety of proven adult learning techniques to ensure maximum understanding, comprehension and retention of the information presented, the sessions will include visual, auditory and kinesthetic elements to cover the three different learning modalities. The daily sessions will be highly interactive and participative. This involves regular discussion of applications as well as hands-on exercises that will be solved manually and/or using Microsoft Excel.

The benefits from attending

By the end of the course you will be able to:

  • Understand the physical principles of main logging tools
  • Apply quality control techniques to validate logging data
  • Know the main applications and limitations of the different tool readings
  • Perform a complete log quality control in a set of logs
  • Perform a basic log interpretation

Topics

Basic Logging Concepts and Principles of Metrology
  • Basic well logging concepts
  • Auxiliary measurements, QA/QC and common issues
  • Principles of metrology, the real environment
  • Log quality control basic principles
  • Basic measurements: Gamma ray and spontaneous potential
  • QA/QC indicators and examples
  • Resistivity theory, principles and applications of laterologs
  • Microresistivity devices, principles and applications

Conductivity and Nuclear Logging Tools
  • Conductivity tools, uses and limitations
  • Log quality control and common issues
  • RT and invasion profile determination
  • Formation density tools, calibrations, applications and QA/QC
  • Neutron tools principles, calibrations, applications and QA/QC
  • Nuclear tools limitations and environmental corrections

Acoustic and Geological Logging Tools
  • Basic sonic tools, borehole compensation
  • Dipole sonic tools, applications
  • Mechanical properties determination and uses
  • Sonic limitations, QA/QC and common issues in the borehole
  • Cement evaluation logs: CBL-VDL. interpretation and QA/QC
  • Ultrasonic cement evaluation tools
  • Dipmeter interpretation principles
  • Geological image (resistivity and ultrasonic) logging tools
  • Principles, interpretation and log quality control indicators
  • Structural and stratigraphic interpretation principles
  • Facies analysis for reservoir characterisation with image logs

Advanced Logging Tools and Formation Testers
  • Nuclear magnetic resonance, applications, limitations and QA/QC
  • Relaxation mechanisms and their association with fluid and rock properties
  • Porosity, irreducible water saturation and permeability determination
  • Advanced fluid determination methods: 3D map T1-T2-difussion
  • Dielectric tools principles and applications
  • Saturation determination parameters, m, n and CEC
  • Geochemical logging tools, uses, limitations and QA/QC
  • Reservoir pressure determination tools
  • Pre-test interpretation, common issues and QA/QC
  • Pressure gradient interpretation and examples
  • Fluid sampling, optical and composition fluid analysers
  • Advanced probes for special well and reservoir conditions
  • Permeability determination

Basic Petrophysics and Well Seismic
  • Formation evaluation principles
  • Rw determination methods
  • Crossplots utilisation, Hingle and Pickett plots
  • Graphical interpretation techniques for porosity and lithology
  • Saturation determination equations and techniques
  • Complete formation evaluation for simple lithology
  • Checkshot, VSP, offset and multi-offset VSP, walkaway
  • Different source types, air-guns and vibroseis trucks
  • Physical principles, interpretation and log quality control indicators


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