Inventor
Richard A. Birchwood
Inventor
Houston, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics67%
E21BEarth or rock drilling33%
PatentTitleYear
8,490,693'Determining fracture orientation using wellbore acoustic radial profiles'20138,301,383'Estimating in situ mechanical properties of sediments containing gas hydrates'20127,617,051'Method and system for pre-drill pore pressure prediction'20097,472,022'Method and system for managing a drilling operation in a multicomponent particulate system'20087,299,132'Method and system for pre-drill pore pressure prediction'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2013Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
2007–2013Based in Houston, TX, US· patent location history
2012Patents assigned to BIRCHWOOD RICHARD ANTHONY (1)· patent assignee history
2012Patents assigned to MESE ALI (1)· patent assignee history
2013Patents assigned to BIRCHWOOD RICHARD A (1)· patent assignee history
2013Patents assigned to BRATTON TOM R (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 5 | 2007–2013 |
| BIRCHWOOD RICHARD Aself | 1 | 2013 |
| BIRCHWOOD RICHARD ANTHONYself | 1 | 2012 |
| BRATTON TOM R | 1 | 2013 |
| MESE ALI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 5 | 2007–2013 |