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ONLINE: Use of Electric Wireline Logs as Part of a Successful Planning for Well Stimulation Services (PPH934)

  • 7-10 June 20214 daysVirtual instructor-led course, OnlineCourse Fee: 1750 EUR + VAT


This interactive, applications-driven training course will highlight the principles and applications of the main open and cased hole logging services used in the oil industry for professionals who work in the planning and execution of well stimulation services.

The course will explore the tools response explained from their physical principles and their utilisation in the successful planning of well stimulation services, most common cased hole technologies will be also covered explaining their main applications and limitations for well stimulation.

This training course will feature:
  • Discussions on tools physical principles and applications
  • Tool limitations on different borehole environments
  • Tips and examples to identify and understand common logging issues
  • Explanation of petrophysical concepts and techniques for formation evaluation
  • Cement and corrosion evaluation tools principles and applications
  • Cased hole resistivity, porosity and saturation tools
  • Application of interpretation methods in several examples and exercises

Course Structure: 4 modules of max. 4 hours each, delivered over 4 days
Each day will consist of 1 module which will be no more than 4 hours in length with ample time for delegates to break for refreshments.

Course Level: Skill
Instructor: Angel Meso

Designed for you, if you are...

  • An engineer in the exploration and/or production department
  • A geologist, geophysicist or petrophysicist
  • A petroleum, reservoir or drilling engineer
  • In general, any oil & gas industry professional involved in stimulation services planification, execution and monitoring

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 be given in real time through live webinars (instructor-led training); some exercises will be executed during the sessions, others will be done as homework.
  • The daily sessions will be highly interactive and participative. This involves regular discussions 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 feel confident in your understanding of:

  • Physical principles of main open and cased hole logging services used on the planification and/or evaluation of well stimulation services
  • Main applications and limitations of the different tool readings
  • Uses and interpretation of cased hole services
  • How to perform a quantitative formation evaluation on a simple lithology


Basic Concepts Review on Well Logging and Well Stimulation Services
  • Basic well logging concepts
  • Auxiliary measurements, applications and common issues
  • Basic measurements: Gamma Ray and SP
  • Well stimulation methods
  • Formation damage. Logs that could estimate formation damage
  • Minimising the damage
  • Matrix stimulation
  • Lithology, permeability and porosity
  • Hydraulic fracturing. Logs that help on planning and monitoring

Resistivity Formation Damage Estimation
  • Resistivity theory, principles and applications of laterologs
  • Advanced laterolog logging tools: array and azimuthal
  • Formation damage estimation with array laterolog tools
  • Microresistivity devices, principles and applications
  • Conductivity tools, uses and limitations
  • Advanced induction logging tools, 3D induction
  • Formation damage estimation with multiarray induction tools
  • RT and invasion profile determination. Invasion quantification

Reservoir Porosity and Mechanical Properties
  • Formation density tools, principles and applications
  • The photoelectric factor, a key lithology indicator
  • Neutron tools principles and applications
  • Porosity determination from density and neutron logs
  • Lithology determination and its relevance for well stimulation services
  • Basic sonic tools, borehole compensation
  • Dipole sonic tools, applications
  • Mechanical properties determination and uses for hydraulic fracture planification
  • Hydraulic fracture vertical extension estimation
  • Sonic scanner principles and applications
  • Common sonic issues in the borehole

Stress Evaluation and Natural Fractures
  • Dipmeter interpretation principles
  • Geological image logging tools
  • Structural and stratigraphic interpretation principles
  • Open, partially open and healed fractures interpretation
  • Faults and unconformities interpretation examples
  • Stress orientation determination and its importance for hydraulic fracturing
  • Facies analysis for reservoir characterisation with image logs
  • Ultrasonic logging tools. Interpretation and examples

Lithology, Pore and Grain Size Determination
  • Nuclear magnetic resonance, principles and applications
  • Relaxation mechanisms and their association with fluid and rock properties
  • Porosity, irreducible water saturation and permeability determination
  • Grain and pore size determination with magnetic resonance
  • Advanced fluid determination methods: 3D map T1-T2-diffusion
  • Geochemical logging tools for elements estimation
  • Precise lithology from elements for matrix stimulation planification
  • Complex lithology evaluation examples

Formation Pressures and Basic Formation Evaluation Techniques
  • Reservoir pressure determination tools
  • Pre-test interpretation
  • Lost seal, dry tests and supercharging
  • Pressure gradient interpretation
  • Advanced probes for special well and reservoir conditions
  • Permeability determination
  • 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 exercise

Cement Quality and Casing Integrity Relevance for Well Stimulation Services
  • Cement evaluation logs: CBL - VDL
  • Interpretation and LQC
  • Ultrasonic cement evaluation tools
  • Corrosion logging basics
  • Mechanic, ultrasonic and electromagnetic tools

Other Relevant Wireline Services for Well Stimulation Planning, Execution and Monitoring
  • Hydraulic fracture real-time monitoring, microseismic
  • Production logs basic, different flow rates
  • Core sampling tools, core lab analysis
  • Well perforating basics
  • Underbalance and oriented perforating
  • Other perforating techniques to maximise hydraulic fracture efficiency
  • Wireline bridge plugs and packers placement




HOT Engineering GmbH   Tel: +43 3842 43 0 53-0   Fax +43 3842 43 0 53-1   hot@hoteng.com