The group, which has waged a sustained campaign of bombings against oil companies in the region, said it had attacked an NNPC pipeline in Oruk Anam, Akwa Ibom at 4am local time on Thursday.
Upstream has sought comment on the reported incident from NNPC.
Reuters later on Thursday reported that NNPC had shut a pipeline valve following the blast, which had caused a gas leak.
"At
