A security official said six individuals overpowered a lone guard early Sunday morning at a gas terminal in El-Sabil, a village west of the northern Sinai city of El-Arish.
The men planted explosive at the facility and fled. But the timer failed detonate the explosives and soldiers were able to defuse the device.
The officials spoke on condition of anonymity because he was not authorized to brief the media.
A bomb placed at another gas terminal along the pipeline blew up, halting gas exports to Israel and Jordan on Feb. 5. The flow resumed on March 16.