Pemex said none of the injuries to two petroleum workers and six contractors were serious; cause of blaze being investigated.
Possible theft from state oil company’s lines may be the cause.
Rig was manoeuvring for offshore well maintenance at the time of the accident.
US-based BlackRock and First Reserve investment firms acquire 45% stake to extend pipeline and complete the project.
Estimate is based on the state-owned company’s plans to reactivate hundreds of mature oil fields.
Constitutional safeguards are keeping the Pemex state oil monopoly slow, outdated and unable to attract investment, experts suggest.
Mexico’s state-owned oil company has been unable to exploit its shale and deep-water reserves.
Investigation finds no evidence of explosives in the blast the decimated several floors of building in Mexico City.
Cause of explosion remains unknown.