Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10323501 | Method and apparatus for generating weighted average survey | John Lionel Weston, Stephen Victor Mullin | 2019-06-18 |
| 9267370 | Method and apparatus for initialization of a tool via a remote reference source | John Lionel Weston, Eric Wright, Gary Uttecht | 2016-02-23 |
| 9207352 | Method and apparatus for initialization of a tool configured to be moved along a wellbore | John Lionel Weston | 2015-12-08 |
| 8781744 | Downhole surveying utilizing multiple measurements | John Lionel Weston | 2014-07-15 |
| 8655596 | System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool | Stephen Victor Mullin, John Lionel Weston | 2014-02-18 |
| 8457896 | Method and apparatus for determining locations of multiple casings within a wellbore conductor | — | 2013-06-04 |
| 8433517 | System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool | Stephen Victor Mullin, John Lionel Weston | 2013-04-30 |
| 8433519 | Downhole surveying utilizing multiple measurements | John Lionel Weston | 2013-04-30 |
| 8428879 | Downhole drilling utilizing measurements from multiple sensors | John Lionel Weston | 2013-04-23 |
| 8374793 | Reducing error contributions to gyroscopic measurements from a wellbore survey system | John Lionel Weston, Gary Uttecht | 2013-02-12 |
| 8305230 | Method and apparatus for initialization of a wellbore survey tool | John Lionel Weston | 2012-11-06 |
| 8294592 | Method and apparatus for initialization of a wellbore survey tool via a remote reference source | John Lionel Weston, Eric Wright, Gary Uttecht | 2012-10-23 |
| 8185312 | Downhole surveying utilizing multiple measurements | John Lionel Weston | 2012-05-22 |
| 8095317 | Downhole surveying utilizing multiple measurements | John Lionel Weston | 2012-01-10 |
| 8065085 | System and method for measuring depth and velocity of instrumentation within a wellbore using a bendable tool | Stephen Victor Mullin, John Lionel Weston | 2011-11-22 |
| 8065087 | Reducing error contributions to gyroscopic measurements from a wellbore survey system | John Lionel Weston, Gary Uttecht | 2011-11-22 |
| 7363717 | System and method for using rotation sensors within a borehole | Gary Uttecht | 2008-04-29 |
| 7350410 | System and method for measurements of depth and velocity of instrumentation within a wellbore | Martyn Ian Greensmith | 2008-04-01 |
| 7225550 | System and method for using microgyros to measure the orientation of a survey tool within a borehole | Gary Uttecht | 2007-06-05 |
| 7117605 | System and method for using microgyros to measure the orientation of a survey tool within a borehole | Gary Uttecht | 2006-10-10 |
| 6957580 | System and method for measurements of depth and velocity of instrumentation within a wellbore | Martyn Ian Greensmith | 2005-10-25 |