Inventor
Youel G. Hilsman
Inventor
Friendswood, TX, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
7,665,537'System and method to seal using a swellable material'20107,562,712'Setting tool for hydraulically actuated devices'20097,543,652'Subsurface annular safety barrier'20097,152,689'System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing'20067,140,447'Subsurface annular safety barrier'20067,063,164'System and method to seal by bringing the wall of a wellbore into sealing contact with a tubing'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2009Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
2006–2010Based in Friendswood, TX, US· patent location history
2010Patents assigned to SCHLUMBEGER TECHNOLOGY CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 5 | 2006–2009 |
| SCHLUMBEGER TECHNOLOGY CORP | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Friendswood, Texas, US | 6 | 2006–2010 |