Byron Energy said it has spudded the SM-71-1 well in the Gulf of Mexico.
The company said the well is the second under a farm-out to Otto Energy with drilling and evaluation expected to 20 days.
The SM-71-1 well is being drilled to test two objective sands in the southwest corner of a salt dome in a water depth of 131feet.
Byron currently has a 100% working interest and an 81.25% net revenue interest in SM 71.