Rig move. ER on the move, heading south flagged as dest Isobel Deep
Unitisation is the word you need. See this explanation. The North Seas method is most likely to be used. [link]
ER is on the move. now 6 minutes west and 2 minutes north of the last drill position
Boing. 'Time for bed' said Zebedee. Am I too old to participate here?