Inventor
Dhananjay Ramaswamy
Inventor
Stafford, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling37%
G01VGeophysics37%
Y10TTechnical subjects covered by former us classification26%
PatentTitleYear
7,692,428'Retrievable formation resistivity tool'20107,187,297'Methods for sealing openings in tubulars'20076,975,243'Downhole tubular with openings for signal passage'20056,903,660'Inductively-coupled system for receiving a run-in tool'20056,863,127'System and method for making an opening in a subsurface tubular for reservoir monitoring'20056,614,229'System and method for monitoring a reservoir and placing a borehole using a modified tubular'20036,577,244'Method and apparatus for downhole signal communication and measurement through a metal tubular'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2010Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (7)· patent assignee history
2003–2010Based in Stafford, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 7 | 2003–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stafford, Texas, US | 7 | 2003–2010 |