Viewing Tweets won't unblock @Leverty. 1  Pinned Tweet. Bill Levertyâ @Leverty Jan 22. 2  Bill Leverty Retweeted. Fractal Audioâ @fractalaudio 18h18 hours ago. 3  Bill Levertyâ @Leverty Apr 10. Bill Leverty Retweeted HAIRNETRADIO.COM.  Bill Leverty Retweeted. Melinda Clevelandâ @melindakc252 Apr 1  8. Bill Leverty Retweeted.
A workover rig. The term workover is used to refer to any kind of oil well intervention involving invasive techniques, such as wireline, coiled tubing or snubbing. More specifically though, it will refer to the expensive process of pulling and replacing a completion.
Rollover (fire) Rollover (also known as flameover) is a stage of a structure fire when fire gases in a room or other enclosed area ignite. Since heated fire gases, the product of pyrolysis, rise to the ceiling, this is where a rollover phenomenon is most often witnessed.