What am I drilling through?!

Several years ago, one of Adtech’s customers called in because he was having trouble downhole and was using an Adtech drilling motor. He had good pressure and pump, everything was running correctly. When he tripped the drilling equipment out of the hole, all of the cones were wore off but he was only rotating for a short time. The customer asked Adtech Sales to get them a very expensive button tri cone drilling bit to use. The same problem happened and after just a short time pulled back out of the hole, with no cones left intact.

 The customer then started to do some investigating and found out that he was trying to drill through motors, frames, and the chassis of trucks buried in a truck graveyard!

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