MUMBAI: Reliance Industries on Friday said it has made a fifth oil discovery in a block in Gujarat, but did not give reserve estimates. The discovery was made in exploration block CB-ONN-2003/1, which is located in the Cambay Basin at a distance of about 130 km from Ahmedabad, the company said.

Reliance had won the block in the fifth round of auction under the New Exploration Licensing Policy (NELP). Well CB10A-J1 was drilled to a total depth of 1,957 metres in Part A of the block. “Hydrocarbon-bearing zone was identified at a depth of 1,376-1,385.5 metres,” it said. “The well flowed at a rate of 255 barrels of oil per day” during conventional testing of the discovery, the company said.