Inventor
William R. Sloan
Inventor
Missouri City, TX, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics56%
E21BEarth or rock drilling28%
G01TMeasurement of nuclear or x-radiation17%
PatentTitleYear
9,658,351'Null space projection for sourceless gain stabilization in downhole gamma ray spectroscopy'20176,891,777'Subsurface borehole evaluation and downhole tool position determination methods'20056,648,083'Method and apparatus for measuring mud and formation properties downhole'20036,307,199'Compensation of errors in logging-while-drilling density measurements'2001RE036012'Accelerator-based methods and apparatus for measurement-while-drilling'19985,635,711'Apparatus and method for the suppression of microphonic noise in proportional counters for borehole logging-while-drilling'19975,539,225'Accelerator-based methods and apparatus for measurement-while-drilling'19965,513,528'Logging while drilling method and apparatus for measuring standoff as a function of angular position within a borehole'19965,483,061'Gamma ray scintillation detector apparatus and method for reducing shock induced noise'19965,473,158'Logging while drilling method and apparatus for measuring formation characteristics as a function of angular position within a borehole'19955,023,449'Nuclear spectroscopy signal stabilization and calibration method and apparatus'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2017Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (11)· patent assignee history
1991–2017Based in Missouri City, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 11 | 1991–2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Missouri City, Texas, US | 11 | 1991–2017 |