CRG Reserves Coordinator — Oklahoma City

at Marathon Oil
Location Oklahoma City, United States
Date Posted January 4, 2016
Category Reservoir Engineer
Job Type Permanent
Min. Years Experience Required 5




Marathon Oil is currently seeking an experienced Reservoir Engineer to fill a Reserves Coordinator position in the Corporate Reserves Group (CRG).

The successful candidate will be located in a Mid Continent Asset Team (MCAT) office in Oklahoma City, Oklahoma, but will report to the Director of Corporate Reserves.  The area of responsibility will primarily be MCAT assets but may include other areas depending on experience and workload.  This is an exciting opportunity to help guide reserve and resource estimation in an emerging shale play (Woodford) with significant projected activity growth.

The primary responsibility of the position is to provide independent oversight to assure compliance with internal and external reserve and resource estimation and reporting policies and regulations. The successful candidate will be expected to approve all reserve and resource changes proposed by the Asset Team’s Qualified Reserve Estimators, coordinate external audits, and conduct reviews of reserve and resource estimates per CRG Policy. They will also participate in training, policy development and implementation, and strategic planning for reserve and resource oversight and validation activities.

Applicant should possess fundamentally sound reservoir engineering skills. A thorough knowledge of reserve and resource definitions and an understanding of external reporting requirements as dictated by the Securities and Exchange Commission must be developed by the candidate selected.



Provide Guidance on Reserve and Resource Estimation, Categorization, and Capture

  • Ensure reserve and resource volumes are appropriate; represent volumes that are neither overly conservative nor aggressive, and are consistent with Marathon’s CRG Policies.
  • Ensure estimation methods are consistent, follow “best practices,” and meet both company policies and regulatory requirements.
  • Transfer knowledge to the Asset Teams supported to improve their proficiency in reserve estimation, categorization, and self-reliance in capturing the information in Marathon’s reserve system.


Assure the Full Capture and Validity of Marathon’s Reserve and Resource Volumes

  • Coordinate third-party audits and conduct field reviews and internal audits.
  • Ensure that reserve and resource documentation is properly prepared and captured.
  • Review and approve appropriate reserve and resource changes.
  • Analyze booked volumes for needed review or capture of missing volumes.



  • Assist in development and updating of the CRG Policy and QRE training manuals.
  • Deliver training, both formally and informally.
  • Capture and convey“best practices” in reserve estimation.
  • Support Asset Teams in use of Marathon’s reserve system and the affiliated reporting tool.


Integrate Reserve Activities with Business Needs of the Corporation

  • Work with business segments to ensure capital plans are consistent with captured reserves and resources.
  • Liaise with Accounting and Planning on reserves and resource issues relative to Capital Plan preparation, Basic Deletion Forecast, impairment testing, and portfolio management.
  • Support Business Development efforts on opportunity reserve and resource estimates and reserve booking schedules.
  • Strive to make reserve system capture and maintenance processes as efficient and standardized as possible.


Build Collaboration Relationships with the Organizations Supported

  • Maintain high ethical standards in our guidance
  • Foster a position of trust with both estimators and management thereby increasing Corporate Reserves awareness of reserve and resource estimation and booking issues.


External Disclosure Preparation

  • Assist in development of the reserves information required for year-end financial disclosures.
  • Review external communications for accuracy of reserve and resource information.



Degree: Bachelors degree required

Major Discipline: Petroleum Engineering or related field is required.

Years of Experience Required: A minimum of five years as a Reservoir Engineer is required

Preferred Software Knowledge: A working knowledge of Microsoft Office Programs is required.  Familiarity with VOLTS and BOBJ (Marathon's Reserve System and Reporting Tool) and knowledge of reservoir evaluation and modeling programs and ARIES is desirable.

Travel Required: 10%

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