A remotely operated vehicle is in the water to find the leak, which appeared to be bubbling at the water’s surface near Platform B in the block.

US Bureau of Ocean Energy Management, Regulation & Enforcement (BOEM) inspectors flying over the site described discoloured water associated with the bubbling, but downplayed the chances that it is oil.

“The discoloured water may possibly be a mixture of sediment from the ocean floor, gas, and formation water,” the BOEM said.

“Oil