Question · Q4 2025
Tim Rezvan asked about the medium-term appraisal plan for Vietnam, specifically concerning the prospects highlighted on slide 13 (Lac Da Trang, Lac Da Nau, and Lac Da Hong) beyond the 2026 plan for Hai Su Vang and Lac Da Trang. He also inquired about the context for the preliminary year-end 2025 reserves decline, particularly the 7% proved developed and almost 13% oil decline, asking if it was primarily price-related or driven by other factors.
Answer
Eric Hambly, President and CEO, and Atif Riaz, VP, Investor Relations and Treasurer, described Vietnam's emerging hubs around Lac Da Vang (northern) and Hai Su Vang (southern), with other discoveries like Lac Da Trang, Nau, and Hong likely tying into these facilities in the future. An exploration well for Lac Da Vang north is planned for this year, and remaining prospectivity is expected to be tested between 2028 and 2029. For reserves, they noted a 103% overall proved reserve replacement, maintaining reserves around 700 million barrels for over a decade. The proved developed reserves, which are 50-57% of total proved, can experience lumpiness due to offshore projects moving from proved undeveloped to proved developed (e.g., Chinook 8 this year), but this is considered normal and a positive move for the company's proved developed percentage.
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