Estimation, Classification and Reporting of Reserves and Resources

Management and Information Reservoir Description and Dynamics

Course Description

This course provides an overview of the classification, estimation and reporting of reserves and resources. The focus of the course is on the SPE-PRMS, but other systems such as SEC and COGEH are also mentioned. The course will outline the key definitions of each of the main classes and categories of reserves and resources. The estimation methods which can be used, together with how and when each should be used is also covered.

Learning Level


Course Length

1 Day

Why Attend

The following have been identified as the program objectives, which upon completion of this training the participants will:

  • Be equipped with an overview of international industry practices
  • Develop a thorough understanding of key definitions and guidelines
  • Redefine the relationship between Reserves and Resources
  • Gain insight on the handling of risk and uncertainty, including deterministic and probabilistic methodologies

Who Attends

This course is intended for technical staff, including managers, who are or will be responsible for reserve/resource estimation, or who will be responsible for the reporting of reserves and other resources to senior levels within the company or externally. 

Technical disciplines may include:

  • Commercial and management
  • Economists
  • Geologists
  • Geophysicists
  • Petrophysicists
  • Reservoir engineers


Engineers are responsible for enhancing their professional competence throughout their careers. Licensed, chartered, and/or certified engineers are sometimes required by government entities to provide proof of continued professional development and training. Training credits are defined as Continuing Education Units (CEUs) or Professional Development Hours (PDH).

Attendees of SPE training courses earn 0.8 CEUs for each day of training. We provide each attendee a certificate upon completion of the training course.


In-House Training

This course is available for in-house training at your office location.

Contact Us
Americas +1.972.952.1155
Asia Pacific +60.3.2182.3000
Canada +1.403.930.5454
Middle East and North Africa +971.4.457.5875
United Kingdom +44.20.7299.3300


Douglas Peacock has over 30 years of experience in the oil industry covering a variety of geoscience positions, during employment with service companies, operators and consultancies. He has been involved in exploration, development and Reserves estimation throughout his career. Currently, he is Technical Director – Geoscience based in GCA’s office in Singapore, and he is a recent (2013-16) member of the SPE Oil and Gas Reserves Committee (OGRC). Doug was serving as a SPE Distinguished Lecturer during 2010-11.  He also has numerous publications and technical papers published from 1989 – 2016. He has given numerous training courses, mainly on reserves and resources, both for SPE and GCA. Doug holds a B.Sc. in Geology from Leeds University and a M.Sc. in Petroleum Geology from Imperial College, London.