News: Nation Congressional source: Gulf oil rig fire caused by acetylene torch cutting oil line November 16, 2012 | Modified: November 16, 2012 at 1:01 pm Leave a comment WASHINGTON (AP) — Congressional source: Gulf oil rig fire caused by acetylene torch cutting oil line. Sign Up for the Daily E-dition newsletter! Please enter your email address below to begin receiving the Daily E-dition newsletter. You must enter a valid email address in the field above! Thank you for signing up for the Daily E-dition newsletter! You should receive your first newsletter very soon. We're sorry, there was an error processing your newsletter signup. Please click here to visit our Newsletter Signup Center to register for this newsletter.