Drilled wells are typically created using either top - head rotary style , table rotary , or cable tool drilling machines , all of which use drilling stems that are turned to create a cutting action in the formation , .
The term drilling .
Drilled wells are typically created using either top - head rotary style , table rotary , or cable tool drilling machines , all of which use drilling stems that are turned to create a cutting action in the formation , hence the term drilling .