Issued Patents All Time
Showing 26–50 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11500122 | Determining fluid distribution and hydraulic fracture orientation in a geological formation | Mikko Jaaskelainen, Eric Davis, John L. Maida | 2022-11-15 |
| 11493380 | Single-photon detector-based interrogation for distributed fiber optic sensing of subsea wells | Daniel Joshua Stark, John L. Maida, Andreas Ellmauthaler, Ira Jeffrey Bush, Glenn Andrew Wilson | 2022-11-08 |
| 11435273 | Densitometer with tension measuring device for increased accuracy | — | 2022-09-06 |
| 11401807 | System and methods for downhole pH measurement | Bin Dai, James M. Price | 2022-08-02 |
| 11366275 | Hybrid electro-optic wireline cable | John L. Maida, Sudhir Gupta, Arabinda Misra, Ramon Marti | 2022-06-21 |
| 11353422 | In situ treatment of chemical sensors | John L. Maida, Neal G. Skinner | 2022-06-07 |
| 11209350 | Adding ion sensitivity to an integrated computational element (ICE) | Neal G. Skinner, Kenneth Glenn Dixson | 2021-12-28 |
| 11199086 | Detecting changes in an environmental condition along a wellbore | Wolfgang Hartmut Nitsche, Jose Sierra, Yenny Natali Martinez, John L. Maida, David Andrew Barfoot | 2021-12-14 |
| 11193369 | In-line amplifier assembly for distributed sensing system | Jason Edward Therrien, Andreas Ellmauthaler | 2021-12-07 |
| 11187063 | Detecting a fraction of a component in a fluid | Xinwei Lan, Li Gao, Daniel Joshua Stark, Yenny Natali Martinez, Gireesh Bhat | 2021-11-30 |
| 11187635 | Detecting a fraction of a component in a fluid | Xinwei Lan, Li Gao, Daniel Joshua Stark, Yenny Natali Martinez, Gireesh Bhat | 2021-11-30 |
| 11105953 | Detecting changes in an environmental condition along a wellbore | Wolfgang Hartmut Nitsche, Yenny Natali Martinez, David Andrew Barfoot, Jose Sierra, John L. Maida | 2021-08-31 |
| 11085290 | Distributed sensing interrogator using single-mode fiber for multi-mode fiber interrogation | Jason Edward Therrien, Andreas Ellmauthaler | 2021-08-10 |
| 11047230 | Topside interrogation for distributed acoustic sensing of subsea wells | Andreas Ellmauthaler, John L. Maida, Ira Jeffrey Bush, Glenn Andrew Wilson | 2021-06-29 |
| 11047712 | Light pipe for logging-while-drilling communications | Christopher Michael Jones, James M. Price, Jian Li, Darren George Gascooke | 2021-06-29 |
| 11015445 | Electrochemical sensing using optical systems with electrochemical probes for wellbore applications | Xinwei Lan, Yenny Natali Martinez, Neal G. Skinner, John L. Maida | 2021-05-25 |
| 10955575 | Auditory monitoring of downhole conditions through a fiber optic cable | Daniel Joshua Stark, Sean Gregory Thomas | 2021-03-23 |
| 10948625 | Systems and methods for volume concentration determination with diffraction of electromagnetic radiation | Satyan Gopal Bhongale, Wolfgang Hartmut Nitsche, John L. Maida | 2021-03-16 |
| 10921308 | Ion selective fiber sensors for determining the water cut in wellbore-related fluids | — | 2021-02-16 |
| 10801865 | Fluid analysis system based on integrated computing element technology and fiber Bragg grating radiometry | David L. Perkins, Xinwei Lan | 2020-10-13 |
| 10591631 | Measuring gravity curvature for mapping subterranean formations | Satyan Gopal Bhongale | 2020-03-17 |
| 10495779 | Downhole sensing cable system for improved seismic energy coupling to the cable system | Mark Elliott Willis | 2019-12-03 |
| 10261243 | Fiber optic sensing using soluble layers | Neal G. Skinner, William Cecil Pearl, Jr., Megan Renee Pearl | 2019-04-16 |
| 10241229 | Distributed feedback fiber laser strain sensor systems and methods for subsurface EM field monitoring | Etienne M. Samson, Tasneem A. Mandviwala, Han-Sun Choi | 2019-03-26 |
| 10077649 | Optical fiber feedthrough incorporating fiber bragg grating | Etienne M. Samson, William N. Gibler | 2018-09-18 |