Oil producers seen struggling to restore ‘normal’ volumes soon Worker walkout starts, threatening to hobble industry further Nigerian militants claimed an attack on oil pipelines less than two weeks after the government declared a cease-fire, while a worker strike further hampered efforts to restore production in the West African country. Rebels late Wednesday blew up remote manifolds, or pipe systems, operated by Chevron Corp., according to a website claiming to represent the Niger Delta Avengers group. That followed an attack earlier this week on Chevron’s Well 10 and two crude-oil trunk lines. The assaults cast doubt on claims by Emmanuel Kachikwu, Nigeria’s state minister for petroleum resources, that a cease-fire is allowing a return of output. Production that dropped to a 28-year low in May could be further stymied by a strike that began Thursday, with senior oil workers protesting job losses and delays to new energy legislation. The […]