Issued Patents All Time
Showing 26–50 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10168244 | Gaseous fuel monitoring for wellsite pumps | Rory D. Daussin | 2019-01-01 |
| 10113378 | System and method for managing pressure when drilling | — | 2018-10-30 |
| 10073188 | Three-dimensional waveguide sensors for sample analysis | William Cecil Pearl, Jr., Megan Renee Pearl, David L. Perkins | 2018-09-11 |
| 10036242 | Downhole acoustic density detection | Christopher Lee Stokely | 2018-07-31 |
| 9915145 | Downhole power and data transfer using resonators | Etienne M. Samson | 2018-03-13 |
| 9874081 | Detection of influxes and losses while drilling from a floating vessel | — | 2018-01-23 |
| 9823373 | Acoustic telemetry with distributed acoustic sensing system | — | 2017-11-21 |
| 9816374 | High data-rate telemetry pulse detection with a Sagnac interferometer | Zbigniew Sobolewski, Douglas Mark Knight, John L. Maida | 2017-11-14 |
| 9797825 | Optical computing devices with birefringent optical elements | David L. Perkins | 2017-10-24 |
| 9784671 | Parallel optical thin film measurement system for analyzing multianalytes | David L. Perkins | 2017-10-10 |
| 9766371 | Reflector configuration for distributed sensing in an optical fiber network using multiple sets of circulators | David Andrew Barfoot, Michel Joseph LeBlanc | 2017-09-19 |
| 9759031 | Freeing pipe stuck in a subterranean well | Emad Bakri, Malcolm E. Whittaker | 2017-09-12 |
| 9733120 | Systems and methods for spread spectrum distributed acoustic sensor monitoring | Christopher Lee Stokely, Leonardo de Oliveira Nunes | 2017-08-15 |
| 9719846 | Mud pulse detection using distributed acoustic sensing | Andreas Ellmauthaler, Leonardo de Oliveira Nunes, Christopher Lee Stokely, David Andrew Barfoot | 2017-08-01 |
| 9608627 | Well tool having optical triggering device for controlling electrical power delivery | David P. Sharp | 2017-03-28 |
| 9581489 | Distributed acoustic sensing with multimode fiber | — | 2017-02-28 |
| 9546949 | Parallel optical thin film measurement system for analyzing multianalytes | — | 2017-01-17 |
| 9512717 | Downhole time domain reflectometry with optical components | Etienne M. Samson, David P. Sharp, John L. Maida | 2016-12-06 |
| 9422801 | Modulated opto-acoustic converter | — | 2016-08-23 |
| 9260934 | Remote operation of a rotating control device bearing clamp | Craig W. Godfrey, Peter Antonenko, Fredrick D. Curtis, Derrick W. Lewis | 2016-02-16 |
| 9222828 | Downhole flow measurements with optical distributed vibration/acoustic sensing systems | Michael Linley Fripp | 2015-12-29 |
| 9168612 | Laser material processing tool | Lloyd Wilkiel, Timothy Holiman Hunter | 2015-10-27 |
| 9121250 | Remotely operated isolation valve | Craig W. Godfrey | 2015-09-01 |
| 9022115 | Method and apparatus for wellbore perforation | Mark S. Kleefisch, Colin John Hawthorn, Henry David Reynolds, Jim B. Surjaatmadja, Roger L. Schultz +1 more | 2015-05-05 |
| 8908266 | Source spectrum control of nonlinearities in optical waveguides | — | 2014-12-09 |