Inventor
Nihal I. Wijeyesekera
Inventor
Stafford, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics71%
E21BEarth or rock drilling14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
PatentTitleYear
6,944,548'Formation evaluation through azimuthal measurements'20056,776,035'Method and device for calibration of dual-axis tilt meter'20046,032,102'Method and apparatus for measuring well characteristics and formation properties'20005,912,460'Method for determining formation density and formation photo-electric factor with a multi-detector-gamma-ray tool'19995,841,135'Method and apparatus for measuring formation density and the formation photo-electric factor with a multi-detector gamma-gamma tool'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2005Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
1998–2004Based in Stafford, TX, US· patent location history
2005Based in Dubai, AE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 5 | 1998–2005 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stafford, Texas, US | 4 | 1998–2004 |
| Dubai, AE | 1 | 2005 |