Roughneck - 5th December x 3 weeks and a back to back commencing on the 26th or 27th December Senior Rig Mechanic - 12th December x 3 weeks x 2 Roughnecks - 16th December (temp to perm) Derrickman or Assistant Driller - 16th December x 3 (temp to perm) Mechanic or Motorman - 13th December x 1-3 weeks (sick cover)