CA1314242C - Systeme de protection contre la corrosion pour traversees de tuyauteries
- Google Patents
Systeme de protection contre la corrosion pour traversees de tuyauteries
Info
Publication number
CA1314242C
CA1314242CCA000614583ACA614583ACA1314242CCA 1314242 CCA1314242 CCA 1314242CCA 000614583 ACA000614583 ACA 000614583ACA 614583 ACA614583 ACA 614583ACA 1314242 CCA1314242 CCA 1314242C
Authority
CA
Canada
Prior art keywords
casing
carrier pipe
pressure
annulus
vent
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.)
ConocoPhillips Co
Original Assignee
Conoco Inc
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 Conoco IncfiledCriticalConoco Inc
Priority to CA000614583ApriorityCriticalpatent/CA1314242C/fr
Application grantedgrantedCritical
Publication of CA1314242CpublicationCriticalpatent/CA1314242C/fr