Like you said Rawk this will provide a challange for the...

Like you said Rawk this will provide a challange for the operators on the rig by having to keep providing cutting fluid/lubricant constant.
More labour intensive to make sure everything runs smoothly and lubricated.
And also difficult then to check mud samples to determine what we have.
But still not a problem. Good rig operators will know what to do. We may just need to go a bit further and will get a seal again. These things happen all the time.