Yeah might be a bit of a lost cause for most of the crystals

what id do with the sludge is combine it again with some shellite, and then pour in some leaf material like say, parsley or you could even use mj if you wanted.

Then stick a fan at it and evap until you basically cant smell the shellite anymore

Then smoke material through a bong!

The leaf material will still be oily though.

I did this and it worked, on one of my first extractions when i did the same as you.