Milling through a casing collar
We are planning to carry out a cased hole sidetrack which entails setting a Whipstock using the Trackmaster Assembly with Fastrack mill. The following are the challenges we foresee.
- We don't have a casing tally: This means there is possibility of milling the casing collar if casing collar locator isn't run.
- Has anyone milled a collar? Did it take significant longer time than the usual or what was the effect on the milling assembly?
- Has any one milled a window without running a CCL or having a casing tally?
- Has anyone milled a casing without cement?
I will appreciate your response in anticipation.
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