Business Context and Reporting Period
GeoPark Limited (NYSE: GPRK), an independent energy company operating in Latin America, filed Form 6-K on November 24, 2025. The filing announces the results of an independent reserves assessment certified by DeGolyer and MacNaughton Corp. (D&M) under PRMS methodology, effective as of December 31, 2025. The report highlights a strategic transformation driven by the acquisition of unconventional oil blocks in Argentina's Vaca Muerta and continued optimization of Colombian assets.
Key Financial and Operational Metrics
- Reserves: Total 2P reserves reached 121.3 mmboe, a 38% year-over-year increase. 1P reserves totaled 69.0 mmboe, and 3P reserves totaled 173.4 mmboe.
- Reserve Life Index (RLI): 2P RLI increased 80% to 12.7 years. 1P RLI is 7.2 years, and 3P RLI is 18.1 years.
- Reserve Replacement Ratio (RRR): 2P RRR was 430% for the period.
- Valuation: 2P Net Present Value (NPV10) After Tax is $1.3 billion. Net debt-adjusted 2P NPV10 After Tax is $15.8 per share.
- Cost Efficiency: 2025 Finding, Development, and Acquisition (FD&A) cost was $4.3 per boe on a 2P basis.
- Production: 2025 consolidated production is estimated at 10.2 mmboe. Current production from the Loma Jarillosa Este block is 1,860 boepd.
Material Changes Versus Prior Period
The primary driver of reserve growth was the strategic acquisition of the Loma Jarillosa Este and Puesto Silva Oeste blocks in Vaca Muerta, Argentina. These acquisitions added 36.7 mmboe to 2P reserves, representing 30% of the total 2025 reserve base. Net additions from acquisitions, after accounting for divestments, contributed 31.2 mmboe. In Colombia, excluding divestments, 2P reserves increased by approximately 2.6 mmboe due to technical revisions and new discoveries in the Currucut and Toritos fields. The company also divested assets in Ecuador and Brazil, which are excluded from the reported reserve figures.
Guidance, Outlook, and Risks
Management outlined a drilling program for the second half of 2026 in Vaca Muerta to unlock additional production, targeting a plateau of 20,000 boepd by 2028. The Puesto Silva Oeste block has 24.6 mmboe classified as 3P reserves, expected to mature to 2P with successful development drilling. CEO Felipe Bayon emphasized the portfolio's resilience and diversification. The filing includes standard forward-looking statement disclaimers, noting that actual reserves and production may differ materially from estimates due to risks such as commodity price fluctuations, operational challenges, and the uncertainty of completing asset divestitures in Ecuador and Brazil.
Investor Verification Checklist
- Verify the completion status of the Ecuador and Brazil asset divestitures, as reported reserves exclude these volumes pending transaction closure.
- Confirm the timeline and capital requirements for the 2026 Vaca Muerta drilling program to achieve the 20,000 boepd target.
- Review the detailed FD&A cost calculation, noting it excludes future development capital (FDC) and includes the Vaca Muerta entry ticket.
- Assess the maturity timeline for the 24.6 mmboe of 3P reserves in the Puesto Silva Oeste block to convert to 2P status.
- Monitor the operational performance of the Loma Jarillosa Este block following the implementation of rod pumps and optimization plans.