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
CA815706A
Inventor
H. Heffring Harland
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.)
ExxonMobil Upstream Research Co
Original Assignee
Esso Production Research Co
Publication date
Application grantedgrantedCritical
Publication of CA815706ApublicationCriticalpatent/CA815706A/en