Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Depressuriz od for downhole annulus drilling fluid

Depressuriz od for downhole annulus drilling fluid

US Patent 10815743 · Granted Oct 27, 2020

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Engineered polymerases and methods of using the same2025
Indoor grey water purification and reuse device, system and method for public bu2025
Electromagnetic reversal downhole pressure intensifier2025
Electromagnetic reversal downhole pressure intensifier2025
Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient 2024
Bottom-hole impact-rotation stepping combined unloading rock-breaking efficient 2024
RC oscillator2023
Efficient and intelligent steering drilling system and drilling method2023
Drill bit with joint function of induced unloading and abrasive jet and drilling2022
Drill bit with joint function of induced unloading and abrasive jet and drilling2022
Drilling speed increasing device driven by downhole motor for generating shock v2021
Drilling speed increasing device driven by downhole motor for generating shock v2021