Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA734603A
Inventor
M. Loeb Julien
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
CGG SA
Original Assignee
IFP Energies Nouvelles IFPEN
Compagnie Generale de Geophysique SA
Publication date
Application grantedgrantedCritical
Publication of CA734603ApublicationCriticalpatent/CA734603A/en