Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9267370 | Method and apparatus for initialization of a tool via a remote reference source | John Lionel Weston, Eric Wright, Roger Ekseth | 2016-02-23 |
| 8374793 | Reducing error contributions to gyroscopic measurements from a wellbore survey system | Roger Ekseth, John Lionel Weston | 2013-02-12 |
| 8294592 | Method and apparatus for initialization of a wellbore survey tool via a remote reference source | John Lionel Weston, Eric Wright, Roger Ekseth | 2012-10-23 |
| 8065087 | Reducing error contributions to gyroscopic measurements from a wellbore survey system | Roger Ekseth, John Lionel Weston | 2011-11-22 |
| 7363717 | System and method for using rotation sensors within a borehole | Roger Ekseth | 2008-04-29 |
| 7225550 | System and method for using microgyros to measure the orientation of a survey tool within a borehole | Roger Ekseth | 2007-06-05 |
| 7117605 | System and method for using microgyros to measure the orientation of a survey tool within a borehole | Roger Ekseth | 2006-10-10 |
| 6631563 | Survey apparatus and methods for directional wellbore surveying | James Brosnahan, Greg Neubauer, Eric Wright | 2003-10-14 |
| 6588116 | Method for drilling under rivers and other obstacles | Tim Dallas, Eric Wright, Greg Neubauer, James Brosnahan | 2003-07-08 |
| 5821414 | Survey apparatus and methods for directional wellbore wireline surveying | Koen Antoine Noy, Eric Wright, James Brosnahan, Han Wei, Greg Neubauer | 1998-10-13 |
| 5806195 | Rate gyro wells survey system including nulling system | James Brosnahan, Eric Wright, Greg Neubauer | 1998-09-15 |
| 5657547 | Rate gyro wells survey system including nulling system | James Brosnahan, Eric Wright, Greg Neubauer | 1997-08-19 |
| 4800981 | Stabilized reference geophone system for use in downhole environment | Danny E. Hoover, Stephen Klopp | 1989-01-31 |