Marketed Nonop Interest GoMs Neptune Field

Maxus (U.S.) Exploration Co., the U.S.-based operating subsidiary of Argentina’s state-owned YPF SA, is selling nonoperated deepwater Gulf of Mexico assets through a sealed-bid offering handled by EnergyNet.

The offer includes interest in 18 wells operated by a subsidiary of BHP Billiton Ltd. (NYSE: BHP). The assets are located in the Neptune Field, about 130 miles offshore Louisiana and roughly centered in Atwater Valley Blocks 573, 574, 575, 617 and 618.


  • 15% gross working interest;
  • 13.25% net revenue interest;
  • 18 wells;
    • Eight producing;BHP Billiton Neptune Field Gulf of Mexico Map
    • 10 non-producing;
  • Five-month average net income of $1,216,108 per month;
  • Six-month average 8/8ths production of 7,757 barrels per day (bbl/d) of oil and 6.024 million cubic feet per day (MMcf) of gas;
  • Operated by BHP Billiton Petroleum Inc.;
  • Estimated third-party net proved reserves of 1.378 million barrels of oil equivalent;
    • 1.211 million barrels and 939 million cubic feet;
  • Neptune reserves produced using a standalone, tension-leg platform; and
  • Water depth across the field ranges from 4,300 ft above the escarpment to 6,500 ft at the well sites.

Offers are due at 4 p.m. CT March 23. For information visit or contact EnergyNet's Cody Felton by phone at 281-221-3042.