| 12180804 |
Cement plug and methods of use |
— |
2024-12-31 |
| 12110756 |
Modified cement plug and methods of use |
— |
2024-10-08 |
| 12006786 |
Modified casing buoyancy system and methods of use |
— |
2024-06-11 |
| 11821286 |
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation |
John Ravensbergen, Michael WERRIES, Tim Johnson, Juan Montero, Brock GILLIS |
2023-11-21 |
| 11732559 |
In situ injection or production via a well using selective operation of multi-valve assemblies with choked configurations |
Timothy J. Johnson, Michael WERRIES |
2023-08-22 |
| 11549344 |
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement process |
Marty Stromquist, John Ravensbergen, Tim Johnson |
2023-01-10 |
| 11525334 |
Method of optimizing operation one or more tubing strings in a hydrocarbon well, apparatus and system for same |
Masoud Kalantari, Timothy J. Johnson, WARREN FOSTER PETER MacPHAIL, John Ravensbergen, Siamak Arbatani |
2022-12-13 |
| 11434735 |
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation |
John Ravensbergen, Michael WERRIES, Tim Johnson, Juan Montero, Brock GILLIS |
2022-09-06 |
| 11261715 |
In situ injection or production via a well using selective operation of multi-valve assemblies with choked configurations |
Timothy J. Johnson, Michael WERRIES |
2022-03-01 |
| 11255169 |
System and method for wireless control of well bore equipment |
Ramin TAJALLIPOUR, Michael WERRIES, Roman Vakulin |
2022-02-22 |
| 11131164 |
Apparatus, systems and methods for actuation of downhole tools |
Michael WERRIES, John Ravensbergen, Ramin TAJALLIPOUR, Brock GILLIS, Roman Vakulin |
2021-09-28 |
| 10927651 |
Apparatuses, systems and methods for producing hydrocarbon material from a subterranean formation using a displacement process |
Marty Stromquist, John Ravensbergen, Tim Johnson |
2021-02-23 |
| 10428613 |
Wellbore characteristic measurement assembly |
Marty Stromquist, John Ravensbergen, Michael WERRIES, Rob Standen, Tim Johnson |
2019-10-01 |
| 9140098 |
Downhole isolation and depressurization tool |
Donald Getzlaf, Marty Stromquist, John Ravensbergen, Eric Schmelzl |
2015-09-22 |
| 8955603 |
System and method for positioning a bottom hole assembly in a horizontal well |
John Ravensbergen, John Misselbrook |
2015-02-17 |
| 8944167 |
Multi-zone fracturing completion |
John Ravensbergen, John Misselbrook |
2015-02-03 |
| 8931559 |
Downhole isolation and depressurization tool |
Donald Getzlaf, Marty Stromquist, John Ravensbergen, Eric Schmelzl |
2015-01-13 |
| 8613321 |
Bottom hole assembly with ported completion and methods of fracturing therewith |
John Ravensbergen |
2013-12-24 |
| 7562909 |
Composite low cycle fatigue coiled tubing connector |
Hans-Bernd Luft |
2009-07-21 |