Marilyn E. Tennyson Tracey J. Mercier Cheryl A. Woodall Phuong A. Le Timothy R. Klett Thomas M. Finn Heidi M. Leathers-Miller Stephanie B. Gaswirth Kristen R. Marra Christopher J. Schenk 2018 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated mean undiscovered, technically recoverable continuous resources of 52 million barrels of oil and 591 billion cubic feet of gas in the Hanoi Trough of Vietnam.</p> application/pdf 10.3133/fs20173086 en U.S. Geological Survey Assessment of undiscovered continuous oil and gas resources in the Hanoi Trough, Vietnam, 2017 reports