| 11649720 |
Integrated downhole system with plural telemetry subsystems |
Aaron W. Logan, David A. Switzer, Justin C. Logan, Mingdong Xu |
2023-05-16 |
| 10729029 |
Mounting and component holder apparatuses and assemblies for holding rigid components |
Aaron W. Logan, David A. Switzer, Justin C. Logan |
2020-07-28 |
| 10598000 |
Methods and apparatus for downhole probes |
Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, David A. Switzer |
2020-03-24 |
| 10563503 |
Transmitting data across electrically insulating gaps in a drill string |
David A. Switzer, Aaron W. Logan, Mojtaba Kazemi Miraki |
2020-02-18 |
| 10443374 |
Electromagnetic communications system and method for a drilling operation |
David A. Switzer, Mingdong Xu, Mojtaba Kazemi Miraki, Aaron W. Logan |
2019-10-15 |
| 10301931 |
Measuring while drilling systems, method and apparatus |
Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, Kurtis West, Barry Daniel Buternowsky |
2019-05-28 |
| 10280741 |
Optimizing downhole data communication with at bit sensors and nodes |
Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, David A. Switzer, Robert A. Harris +2 more |
2019-05-07 |
| 10233747 |
Optimizing electromagnetic telemetry transmissions |
Mingdong Xu, Aaron W. Logan, David A. Switzer, Monica E. Varga, Mojtaba Kazemi Miraki |
2019-03-19 |
| 10119393 |
Optimizing downhole data communication with at bit sensors and nodes |
Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, David A. Switzer, Robert A. Harris +2 more |
2018-11-06 |
| 10066475 |
Back up directional and inclination sensors and method of operating same |
David A. Switzer, Aaron W. Logan, Mojtaba Kazemi Miraki |
2018-09-04 |
| 9988897 |
Optimizing electromagnetic telemetry transmissions |
Mingdong Xu, Aaron W. Logan, David A. Switzer, Monica E. Varga, Mojtaba Kazemi Miraki |
2018-06-05 |
| 9976414 |
Downhole probe assembly with bluetooth device |
David A. Switzer, Patrick R. Derkacz, Aaron W. Logan |
2018-05-22 |
| 9951603 |
Methods and apparatus for downhole probes |
Patrick R. Derkacz, Aaron W. Logan, Justin C. Logan, David A. Switzer |
2018-04-24 |
| 9920622 |
Transmitting data across electrically insulating gaps in a drill string |
David A. Switzer, Aaron W. Logan, Mojtaba Kazemi Miraki |
2018-03-20 |
| 9765615 |
Optimizing electromagnetic telemetry transmissions |
Mingdong Xu, Aaron W. Logan, David A. Switzer, Monica E. Varga, Mojtaba Kazemi Miraki |
2017-09-19 |
| 9719345 |
Electromagnetic communications system and method for a drilling operation |
David A. Switzer, Mingdong Xu, Mojtaba Kazemi Miraki, Aaron W. Logan |
2017-08-01 |
| 9708903 |
Back up directional and inclination sensors and method of operating same |
David A. Switzer, Aaron W. Logan, Mojtaba Kazemi Miraki |
2017-07-18 |
| 9664038 |
Method and system for transmitting a data frame of an electromagnetic telemetry signal to or from a downhole location |
David A. Switzer, Mingdong Xu, Aaron W. Logan |
2017-05-30 |
| 9644471 |
Mounting and component holder apparatuses and assemblies for holding rigid components |
Aaron W. Logan, David A. Switzer, Justin C. Logan |
2017-05-09 |
| 9608467 |
System and method for charging a capacitor used to power measurement-while-drilling equipment |
Xia PAN |
2017-03-28 |
| 9567835 |
System and method for managing batteries for use in a downhole drilling application |
Xia PAN, David A. Switzer, Aaron W. Logan |
2017-02-14 |
| 9512716 |
System and method for regulating an electromagnetic telemetry signal sent from downhole to surface |
David A. Switzer, Jinhua Wang, Aaron W. Logan |
2016-12-06 |