"Rework" means any work that causes a significant change to the existing casing of a well bore. This includes any work which results in a mechanical change to the well, as determined and requiring approval by D.O.G., including but not limited to sidetracking of existing liners, liner removal, under-reaming, deepening, reperforating present producing zones, perforating new zones, milling, and sleeving of existing casings and water shutoff. Rework does not include abandonment, reabandonment well servicing, bailing, swedging, washing, scratching, or acidizing existing liners, rolling, or squeeze jobs in producing intervals.
(Ord. 90-08-1074 § 4 (part))