Steady Boys Steady As the well goes deeper its almost a given that the drilling rate slows. A driller once told me that the deeper 15-20,000 ft wells , the drill string is like leaning on a strand of spaghetti and expecting it to penetrate a 2X4. It must be done very carefully and slowly, placing only as much weight on the string as will maximize progress but not endangering the integrity of the string. Drillers are much like brain surgeons in a way.
These guys have made excellent progress so far and a wait of a couple of weeks to TD is nothing.