Murphy starts up Lac Da Vang offshore Vietnam, reports nearby oil discovery
Murphy Oil has started production at the Lac Da Vang Field offshore Vietnam, with estimated recoverable resources of 100 MMbboe and operating costs between $8/boe and $10/boe. The company also reported a nearby oil discovery, the Lac Da Trang North-1X well, with potential for future development. Murphy operates the block in partnership with PetroVietnam and SK Earthon.
How this was made

The 30-second read
Why it matters
The onstream start indicates the development is moving from construction to production, while the adjacent Lac Da Trang North-1X well provides potential appraisal and tieback pathways using existing Lac Da Vang facilities.
Market read
Traders may reassess upstream growth and project execution expectations for Murphy based on the reported onstream milestone and quantified field economics, plus optionality from a nearby discovery.
What to watch
Execution risk remains for the production ramp through 2028, and the article does not quantify capex, production rates, or partner economics, which can limit near-term valuation impact.
Background
Murphy Oil is developing the Lac Da Vang Field in offshore southern Vietnam (Block 15-1/05) and is also evaluating a nearby exploration success in the same block.
Ticker impact
Murphy Oil brought the Lac Da Vang offshore Vietnam development onstream and estimates 100 MMbboe recoverable resource with $8-$10/boe operating costs.
Likely mild upward bias as investors price in incremental production ramp through 2028 and potential appraisal upside from the nearby Lac Da Trang North-1X discovery.
The article provides concrete project milestones (onstream, pipeline/platform/FSO installation timing) and quantified economics (recoverable resource and opex range), but it is a single offshore asset with no explicit company-wide financial guidance or immediate earnings impact.
Market effects
Adds to Vietnam offshore supply narrative and reinforces the value of existing infrastructure tiebacks for incremental development.
Highlights continued upstream investment and development momentum in southern Vietnam offshore blocks.
Marginal for global crude balances, but relevant for regional LNG and crude supply expectations at the margin.
Counterpoint
The nearby discovery may not translate into sanctioned volumes; without appraisal results and final investment decision, the upside is optional rather than guaranteed.
Key entities
- companyMurphy Oil
Operator bringing Lac Da Vang Field development onstream and reporting recoverable resource and operating cost estimates.
- companyPetroVietnam Exploration Production Corp.
Partner operating Block 15-1/05 alongside Murphy and SK Earthon.
- companySK Earthon
Partner in Block 15-1/05 and participant in evaluating the nearby exploration results.




