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.)
Ceased
Application number
GBGB9818553.1A
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.)
Schlumberger UK Holdings Ltd
Original Assignee
Specialised Petroleum Services Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Specialised Petroleum Services LtdfiledCriticalSpecialised Petroleum Services Ltd
Priority to GBGB9818553.1ApriorityCriticalpatent/GB9818553D0/en
Publication of GB9818553D0publicationCriticalpatent/GB9818553D0/en
Priority to US09/235,426prioritypatent/US6250387B1/en
Priority to GB9906813Aprioritypatent/GB2335687C/en
Priority to NO19991452Aprioritypatent/NO322057B1/en