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
CA700382A
Inventor
C. Allibone Bernard
J. Russell Reuben
C. S. Gupta Narayan
D. Chapman Edmund
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.)
BP PLC
Burmah Oil Co Ltd
Original Assignee
BP PLC
Burmah Oil Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA700382ApublicationCriticalpatent/CA700382A/en