Nigerian militants say they bomb Chevron oil export pipeline

Nigerian militants have bombed an oil export pipeline operated by U.S.-based multinational Chevron, according to the attackers and residents, and the militants are warning companies not to carry out repairs to sabotaged infrastructure that has reduced oil exports from Africa's largest economy to a near 30-year low.

The warning against repairs comes as British-Dutch multinational Shell prepares to resume exports eight months after the Niger Delta Avengers bombed an undersea pipeline and halted exports from Shell's 250,000-barrel-a-day Forcados terminal. The International Energy Agency estimates the Forcados closure lost Nigeria $1 billion in just three months.

In a statement,...