Oil and gas exploration and production company Endeavour International has announced that the first exploration well of onshore exploration program focused in south Texas has resulted in a commercial discovery and the company's first production in the US.

According to the company, the Cochran-1 exploratory well was drilled to a total measured depth of 16,870 feet and encountered three zones of potential natural gas pay. All three intervals were tested, with the lowest zone plugged due to water production. The well achieved a stabilized daily flow rate of 6.2 million cubic feet of gas, 96 barrels of oil and 336 barrels of water through an 18/64-inch choke. First production to sales was achieved during testing.

The company has a 20% equity interest and approximately a 15% net revenue interest in the Cochran-1 well. Drilling additional wells on the discovery will be based on the production performance of the Cochran-1 discovery well and determination of the most likely drainage area.

Endeavour said that it is also participating in the drilling of the Armour Runnels ST-1 well on the Alligator Bayou prospect located in Matagorda County, Texas. The well has reached a total depth of 23,830 feet measured depth and logged over 300 feet of sand. Flow tests are being conducted from multiple deep zones that show prospectivity.

Endeavour International Corporation is an international oil and gas exploration and production company focused on the acquisition, exploration and development of energy reserves. The company holds producing and exploratory interests in the United Kingdom and Norway.