IT960602B -
TWO-WAY FLOW PIPE FOR DRILLING PETROLEUM WELLS LOCALIZED IN THE SEA AND PROCESS OF DRILLING WITH THE PIPE SAME
- Google Patents
TWO-WAY FLOW PIPE FOR DRILLING PETROLEUM WELLS LOCALIZED IN THE SEA AND PROCESS OF DRILLING WITH THE PIPE SAME
Info
Publication number
IT960602B
IT960602BIT1963472AIT1963472AIT960602BIT 960602 BIT960602 BIT 960602BIT 1963472 AIT1963472 AIT 1963472AIT 1963472 AIT1963472 AIT 1963472AIT 960602 BIT960602 BIT 960602B
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 Brunato SfiledCriticalBrunato S
Priority to IT1963472ApriorityCriticalpatent/IT960602B/en
Application grantedgrantedCritical
Publication of IT960602BpublicationCriticalpatent/IT960602B/en
IT1963472A1972-01-211972-01-21
TWO-WAY FLOW PIPE FOR DRILLING PETROLEUM WELLS LOCALIZED IN THE SEA AND PROCESS OF DRILLING WITH THE PIPE SAME
IT960602B
(en)