Energy Sector


We know upstream oil and gas.

Global energy demand and technological innovation drive upstream companies to explore great new depths in challenging geologic settings.

Opportune is skilled in upstream and can help with:

  • Mergers & Acquisitions
  • Financial Reporting
  • Corporate Strategy
  • Portfolio Optimization
  • Performance Benchmarking
  • Due Diligence & Valuation
  • Technology Review
  • Cost Savings

We are leading engineering consultants.

World-class oil and gas consultants routinely engaged in upstream exploration, supply chain, and commercial segments are available for expert analysis of:

  • Reservoir Performance
  • Minerals Land Management
  • Gas Imbalance Positions
  • Hydrocarbon Inventories Valuation
  • Extrapolated Errors

We are focused on the success of your assets.

With our knowledge of commercial operations, financial transactions, and the regulatory environment specific to the upstream, our team carefully evaluates:

  • Transactions & Valuations
  • Allocation Errors
  • Purchase Price Adjustments
  • Expenditure Transactions
  • Cost Allocations
  • Trend Analysis of Reported Revenue Receipts
  • Balance Sheet Balances
  • Pre-Effective Date Charges
  • Working Interest Cutback Discrepancies
  • Allocation Errors

Case Studies

Q&a: Oil & Gas Bankruptcies, Restructurings & Mergers Likely To Continue In 2021

Managing Director Gary Pittman discusses what's different with this year's downturn compared to the 2014-2016 cycle and if these trends will continue in 2021 against a backdrop of what's expected to be continued commodity price volatility and a global pandemic. [...]

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Upstream: Restructuring/investment Banking: Renaissance Offshore: Financial Advisor In Out-of-court Restructuring

Upstream: Restructuring/Investment Banking: Renaissance Offshore: Financial Advisor In Out-Of-Court Restructuring Renaissance Offshore (“the Company”) was founded in December 2011 as an acquirer and developer of legacy oil fields in the… [...]

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Downstream: Process & Technology: Etrm Support

PBF Holding Company, LLC, (PBF) is one of the largest independent petroleum refiners and suppliers of unbranded transportation fuels, heating oil, petrochemical feedstocks, lubricants, and other petroleum products in the United States. PBF initially engaged Opportune to help define its overall IT s... [...]

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Upstream: Corporate Finance: Final Settlement Statement And Transition Services Statement Review

A Houston-based, private-equity backed exploration and production company (the Company) is focused on the acquisition and development of producing oil and gas assets in North America. The Company purchased offshore properties located in the Gulf of Mexico from an undisclosed seller (the Seller) ef... [...]

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Upstream: Outsourcing/transactional Due Diligence: Asset Transaction/transition

“Project Charlie” was an asset acquisition led by a leadership team backed by a private equity (PE) firm. The leadership team was assembled for this transaction and it didn’t hold any other assets previously. The asset consisted of 1,000 operated wells and 400 non-operated wells that included lease... [...]

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Downstream: Process & Technology: Andeavor: Sap S/4 Hana Implementation

Andeavor (“the Company”), acquired by Marathon Petroleum Corp. in 2018, is an oil refining company headquartered in San Antonio, TX. Opportune LLP worked as a part of the SAP delivery organization to assist Andeavor to deliver “Project One”, the program to implement a full suite of SAP S/4 HANA. Th... [...]

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Upstream: Transactional Due Diligence: Transaction Advisory Merger Services

Two oil and gas operators, one public and one private, completed a merger in February 2019 to combine into a new publicly traded operating entity under a different name. The new company is focused on developing unconventional resources in the Marcellus/Utica shale plays. Opportune was engaged to pr... [...]

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Upstream: Transaction Support: Smash-co

In August 2019, Opportune was engaged to provide advisory services and aid in the consolidation of a private equity investment firm’s (“Private Equity Firm”) current portfolio. Private Equity Firm operates… [...]

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Upstream: Transactional Advisory/support: System Conversion – Excalibur To Ogsys

The Company is a privately held oil and gas company with exploration and production (E&P) operations focused on offshore Gulf of Mexico (GoM). In May 2019, the Company engaged Opportune to complete a conversion of the acquired company’s master data and transaction history from Excalibur to OGsys, t... [...]

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Upstream: Transactional Advisory: Merger Integration

A Houston, Texas-based publicly traded oil and gas operator with operations in Texas, Louisiana, California and the Rockies, (“the Company”) completed a merger of equals with a Tulsa, Oklahoma-based operator (“the merging entity”). The merger resulted in the Company incorporating Oklahoma assets in... [...]

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A headshot of Carl Wimberly.
Carl Wimberley