Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Downhole EM sensing using SAGNAC interferometer for wellbore monitoring

Downhole EM sensing using SAGNAC interferometer for wellbore monitoring

US Patent 9926778 · Granted Mar 27, 2018

Estimated economic value: $19,688,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Downhole pressure sensing for fluid identification2025
Optical fluidic methods for a rheometer2024
Methods and systems employing a controlled acoustic source and distributed acous2024
System and method for arrayed telemetry using single-photon detectors2024
Topside distributed acoustic sensing interrogation of subsea wells with a single2024
Multi-fiber sensing topology for subsea wells2024
Thermal analysis of temperature data collected from a distributed temperature se2024
Hybrid electro-optic wireline cable2024
Loss circulation detection during cementing operations2023
Topside interrogation using multiple lasers for distributed acoustic sensing of 2023
Continuous assessment of well elements using fiber optics2023
Topside interrogation for distributed acoustic sensing of subsea wells2023