Petroleum Economics

Experts in petroleum economics

Commercial Analysis and Petroleum Economics

In order to offer a fully integrated service to our clients, OPC provides a petroleum economics and commercial consultancy alongside our technical services and on a stand-alone basis.   This enables us to report and advise clients both economically and financially on OPC generated technical studies and intra company decision processes.

Because of our heritage as an independent technical services consultancy, we have a rigorous and data-led approach to all commercial projects. We are able to identify and integrate the critical technical and commercial parameters in order to present focused and accurate business solutions at Board level.

John Wright is the OPC expert Petroleum Economist. John has more than 25 years’ experience as a commercial engineer, supporting a wide range of E&P companies and investors with economic modelling, portfolio valuation, fiscal agreement negotiation and decision analysis.


Our petroleum economics and commercial services include:

  • Provision and support of an Excel based Economic model, producing contractor cash flows for any world-wide fiscal arrangement
  • Competent Persons Report (CPR) Commercial audit, producing valuations and economic reserve/resource totals
  • Support and management of both Fiscal/Commercial negotiations and M&A due diligence process
  • Decision analysis valuation for Exploration Prospect Inventory (PI), combining risk and uncertainty
  • Value of Information (VOI) techniques
  • Field development planning; major investments and capital allocation
  • Efficient frontier and rationalisation
  • Decommissioning


We offer a flexible approach for the delivery of our Commercial analysis expertise including:

  • Commercial analysis for OPC technical reports
  • Competent Person’s report valuations and reserve/resource reporting
  • Training and knowledge transfer
  • Consultant Secondment


OPC is recognised as a ‘Competent Person’ by the London Stock Exchange and the New York Securities and Exchange Commission (SEC) for hydrocarbon asset evaluation and therefore is qualified to produce Competent Person’s Reports (CPRs).  OPC has been conducting reserves audits and providing CPRs since 1995, reporting reserves and resources according to the Petroleum Resources Management System (PRMS) as sponsored by the SPE, AAPG, WPC and SPEE and according to the rules of the SEC. OPC executes audits in respect of statutory and fiscal reporting, stock market flotation’s and for an independent evaluation of assets and projects.

Some recent petroleum economics projects and studies

Prospect Screening
OPC’s independent assessment of the commerciality and chance of success of the prospect helped the client to decide on whether the prospect is a farm-in opportunity they should pursue. OPC’s...
Mature Asset Ownership Transition
OPC technical staff from multiple disciplines assisted an NOC to successfully transition the running of a mature offshore oilfield from the previous Operator.
Extensive reservoir study
OPC conducted an extensive reservoir study of a large field in West Africa in order to define and assess the remaining production opportunities in the field.
OPC was retained by a leading international bank to provide technical expertise into the annual re-determination of loan facilities for the bank’s clients who have multiple assets across Egypt and...
Independent Engineers’ Report
A multi-disciplinary team at OPC London office conducted a fast tracked independent review of a new discovery in UKCS to support the asset owner to generate investment interest. 
Producing oilfields re-development study
OPC deployed a multidisciplinary team of 11 people (with subsurface, facilities, drilling and economics expertise) to undertake an extensive 5-month re-development study for a group of oilfields in the Middle...
Reserves and production forecast audit
OPC performed a reserves review and production forecast audit for a Global Bank based in the Middle East for two separate oil and gas companies with assets in Egypt and Oman. 
CPR and technical due diligence reports
OPC reviewed the resources in two blocks in Africa and provided a Competent Persons Report (CPR) letter summarising the findings of its Due Diligence Reports and Reserves Audit. 
Technical due diligence & economic modelling
OPC was retained by an International Bank to perform a technical and operational audit of Middle East operator and develop an economic model based on the Petroleum Agreement that could...
Competent Persons Report
OPC generated a Competent Persons Report (CPR) for a block, onshore South America. The report formed part of documentation published to the stock market and assisted the asset owner to...
Technical due diligence & asset evaluation
OPC provided technical due diligence and evaluation of a potential asset purchase in the UKCS, including a review of a reservoir model, production data and development scenarios
Reserves and Development Plan Review
OPC performed a review of the reserves and development plan for a Gas Field, offshore Africa. The workscope included a reviewing of multiple static and dynamic models, petroleum economics and...
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