Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Downhole closed loop drilling system with depth measurement

Downhole closed loop drilling system with depth measurement

US Patent 9963936 · Granted May 8, 2018

Estimated economic value: $13,441,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Self-calibrated method of determining borehole fluid acoustic properties2025
Downhole logging using symmetric and asymmetric compensated resistivity measurem2025
Immersed lens downhole refractometer2025
Attenuated total internal reflection optical sensor for obtaining downhole fluid2025
Fluid density from tunable acoustic impedance matching2025
Cataluminescence for downhole fluid analysis2024
Erosion prediction for downhole tools2024
Sleeve control valve for high temperature drilling applications2024
Downhole fiber optic hydrophone2024
Optical system and method for cleaning optical windows2023
Active magnetic ranging by wellhead current injection2023
Down-hole tools comprising layers of materials and related methods2023