Records from the Texas Railroad Commission show that EOG stored 4707 barrels of oil on location between 12 October and 31 October before asking for state approval to sell some of the production. Local sources indicated that natural gas from the well was flared.

The Cowan 1H was drilled vertically to about 8800 feet with a 4500-foot lateral by the Helmerich & Payne rig 417 in Smith County, according to state records.

Initially