Murphy Oil Appraisal Well Boosts Resource Outlook at Field off Vietnam

Murphy Oil Corporation has drilled an appraisal well at the Hai Su Vang oil field offshore Vietnam, confirming a larger hydrocarbon column and strengthening the field’s recoverable resource potential.

The Hai Su Vang-2X appraisal well was drilled in Block 15-2/17 in the Cuu Long Basin, about 40 miles offshore Vietnam, following the 2025 discovery at the field. The well was spudded in early October and encountered 429 feet of net oil pay across two reservoirs, compared with about 370 feet encountered in the discovery well.

Murphy said the appraisal well identified 332 feet of net oil pay in the deeper primary reservoir and 97 feet in the shallower reservoir. In the primary reservoir, the well deepened the proven oil-down-to by 413 feet without encountering water, extending the total hydrocarbon column to roughly 1,600 feet.

Flow testing of the appraisal well delivered a production rate of 6,000 barrels of oil per day from the primary reservoir, producing 37-degree API oil consistent with the discovery well, Murphy said. Further testing is ongoing.

The company said the results support