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An Introduction to Drilling and Wellsite Geology

Course summary
Length: 5 days
Language: English
Location: Houston, Reading
Provider: Nautilus plus
Course type: Open / Scheduled

Course description

An Introduction to Drilling and Wellsite Geology - training course

With a blend of classroom lectures and practical exercises, this course provides an introduction to drilling technology, wellsite operations and wellsite formation evaluation techniques for those personnel either new to the industry or transferring to more operational roles. Highlighted and discussed topics additionally cover drill bit types and selection, wellsite geology roles and responsibilities, and wellsite services.

This is a five-day classroom course consisting of classroom lectures with practical exercises.

Suitability - Who should attend?

This course is suitable for geoscientists, petrophysicists and petroleum engineers who are new to drilling and wellsite operations.

Outcome / Qualification etc.

Participants will learn to:

  1. Compare drilling operations, both onshore and offshore and understand the differences between the various types of rigs and platforms.
  2. Distinguish the various components of the drill string: hoisting and rotating systems and pipe handling equipment, bit types and their design and application; the mud circulation process and system; the variety of drilling fluids and well hydraulics; casing and cementing procedures; directional drilling processes and techniques; borehole surveying. 
  3. Appraise mudlogging services including: the collection and analysis of ditch cuttings and lag time estimation; depth and bit parameter measurements; the collection, analysis and integration of gas readings;  the wider role of mudlogging in safety monitoring and drilling engineering support.
  4. Analyse how ditch cuttings are sampled, described, reported, logged and evaluated for lithological evaluation and hydrocarbon potential.
  5. Compare conventional coring and sidewall coring processes, procedures and evaluation techniques.
  6. Distinguish the acquisition, processing and basic interpretation of wireline from LWD logs, and their integration with other wellsite derived geological data.

Training Course Content

Participants will learn:

  • About well planning and rig selection
  • About the drillstring, bits, drilling fluids, casing and cementing, well control and directional drilling
  • How wellsite geologists and mudloggers collect and interpret geological and drilling data
  • About coring, wireline logs and MWD Services
  • How to evaluate and describe drill cuttings and oil shows from practical work

Drilling Rigs

  • Land Rigs
  • Offshore Rigs
  • Platforms

Drilling Technologies

  • Bit Technology
    -Design: Roller cone; PDC
  • BHA Design, Drill Pipe
  • Hoisting, Rotating, Motion Compensation
  • Well Control Equipment
  • Drilling Fluids
    -Properties and Specifications
    -Fluid Systems
    -Oil and Water Based Mud
    -Polymer Fluids
    -Synthetic Systems
  • Fluid Circulation Systems
  • Hydraulics Calculations
  • Casing and Cementing
  • Directional Drilling
    -Steering Systems
    -Formation Evaluation
    -Survey Processes/calculations

Drill Returns Logging

  • Mud Logging Services
  • Cuttings Recovery
  • Lag Time Calculations
  • Depth and ROP Recording
  • Hydrocarbon Gas Evaluation
    -Total Gas
    -Chromatographic Analysis
    -Interpretation of Gas Shows

Wellsite Geology

  • Cuttings Sampling and Preparation
  • Cuttings Description
  • Reporting Procedures
  • Lithology Logs
  • Oil and Gas Show Evaluation
    -UV Light and Solvent Tests

Coring Operations

  • Conventional Coring
  • Sidewall Cores

Formation Evaluation

  • Wireline Logging Operations
  • MWD Operations


The cost of this training course is GBP 3215 per delegate.

In-House Training

Nautilus can also deliver this training course on an in-house basis, helping your staff achieve their professional development goals. With a customised, In-House Training solution, you can tailor the course content to individual company requirements by incorporating your data, your software, or specific case studies.

About provider


Over the past 17 years Nautilus has developed a portfolio of world-class training courses for professionals in the energy industry. Acquired by the RPS Group in March 2011, Nautilus is now part of the Energy division of RPS. Starting from six...

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Contact info


Goldvale House, 27-41 Church Street West
GU21 6DH Woking, Surrey

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Jnr. Geoscientist   |   17/06/2016
A good course led by a very knowledgeable man. It has significantly increased my understanding of well site operations. Thank you Martin!
Geologist   |   21/05/2016
I really appreciated this course The instructors way of teaching is excellent and by far the best I have attended until now. Thank you.
Project Coordinator   |   24/04/2016
Tutor was outstanding and knowledgeable. Highly recommended.