... pipe section and subject it to destructive evaluation. The alternative to these techniques is to devise a non-destructive inspection and monitoring system to determine the in-service condition of the flexible pipe. Due to the complex construction of flexible pipe, the data fiom most inspection...

... ABSTRACT The condition status and integrity impact of main oil and gas transmission lines is today adequately addressed by a number of orpanisations who have developed technological know-how and applicational experience in the use of sophisticated ‘free swimming’ inspection PIGS capable...

... of plpellnes over their origlnal deslgn llfe. 38 ADVANCES IN SUBSEA PIPELINE ENGINEERING AND TECHNOLOGY To ensure environmental and economic safety, periodic pipeline inspections have to be made and maintenance work undertaken. Despite recent advances in internal pipeline inspection the high cost...

... largely confidential to individual operators. Ageing of non-metallic components presents a particular problem slnce nearly all of the common tests for determlnatlon of materlal properties are of a destructive nature. In addition to the complex construction further constraints on in-servlce inspection...