Patent 10400572 was granted and assigned to Halliburton on September, 2019 by the United States Patent and Trademark Office.
Various embodiments include apparatus and methods to generate and use drillability exponents. Data acquired from downhole sensors can be used to determine drillability exponents. The drill exponents can be used in number of processes to enhance various features of a drilling operation. 5 Additional apparatus, systems, and methods are disclosed.