Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for predicting rate of penetration using bit-specific coefficient of sliding friction and mechanical efficiency as a function of confined compressive strength

Method for predicting rate of penetration using bit-specific coefficient of sliding friction and mechanical efficiency as a function of confined compressive strength

US Patent 7412331 · Granted Aug 12, 2008

Estimated economic value: $465,921,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Systems and methods for fracture face formation permeability measurements2021
System and method for pre-conditioning a hydrate reservoir2016
Method for predicting rate of penetration using bit-specific coefficients of sli2011
Method for predicting rate of penetration using bit-specific coefficients of sli2011
Method for predicting rate of penetration using bit-specific coefficients of sli2011
Method for estimating confined compressive strength for rock formations utilizin2009
Method for estimating confined compressive strength for rock formations utilizin2009
End-cap-to-piston coupling for triaxial test apparatus1995
Stand for displaying computer keyboard function key guides1992