CA1318585C - Appareillage d'essai de bloc obturateur de puits
- Google Patents
Appareillage d'essai de bloc obturateur de puits
Info
Publication number
CA1318585C
CA1318585CCA000592912ACA592912ACA1318585CCA 1318585 CCA1318585 CCA 1318585CCA 000592912 ACA000592912 ACA 000592912ACA 592912 ACA592912 ACA 592912ACA 1318585 CCA1318585 CCA 1318585C
Authority
CA
Canada
Prior art keywords
closure member
shoulder
housing
hanger
landing
Prior art date
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.)
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.)
Cameron International Corp
Original Assignee
Individual
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
Priority claimed from EP88306339Aexternal-prioritypatent/EP0350544B1/fr
Application filed by IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of CA1318585CpublicationCriticalpatent/CA1318585C/fr