Inventor
Ralf Heidler
Inventor
Stafford, TX, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics47%
G01NInvestigating or analysing materials by determining their chemical or physical properties32%
G01RMeasuring electric variables16%
E21BEarth or rock drilling5%
PatentTitleYear
7,603,237'Method for analyzing data having shared and distinct properties'20096,956,370'Method for reducing ringing in NMR measurements by combining NMR signals having a spin echo and spurious signal component'20056,808,028'Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellbore'20046,714,009'Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurements'20046,326,784'Nuclear magnetic resonance logging with azimuthal resolution using gradient coils'20016,291,995'Apparatus and method for generating a pulse sequence'20016,246,236'Apparatus and method for obtaining a nuclear magnetic resonance measurement while drilling'20016,237,404'Apparatus and method for determining a drilling mode to optimize formation evaluation measurements'20016,184,681'Apparatus and method for computing a distribution of spin-spin relaxation times'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2009Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (9)· patent assignee history
2001Based in Stafford, TX, US· patent location history
2004–2005Based in Richmond, TX, US· patent location history
2009Based in Houston, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 9 | 2001–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stafford, Texas, US | 5 | 2001 |
| Richmond, Texas, US | 3 | 2004–2005 |
| Houston, Texas, US | 1 | 2009 |