Preparedness validated in gulf deepwater flowline repair

Repair of the Macaroni field flowline in the US Gulf of Mexico confirmed for project participants the necessity of adequate preparations in design and equipment. The Macaroni flowline had been the first J-lay pipe-in-pipe insulated flowline installed in the gulf in July 1999. The line initiated at a subsea manifold in 3,700 ft of water in Garden Banks Block 602 and terminated with a steel catenary riser (SCR) at the Auger tension leg platform (TLP) on Garden Banks Block 426 in 2,980 ft of water.To limit the consequence of loss of casing-pipe integrity, each flowline was divided into ten bulkhead-isolated compartments each about 6,000 ft long. During construction in April 1999 of the secon...

Why Register?

Non-subscribers can only view whitepapers by providing name, home and email address, phone number and other information and comment on/rate articles.

Why Subscribe?

Oil & Gas Journal subscribers with login credentials can access these premium features of OGJ Online:

  • Current Issue – an html version of the current week's issue of Oil & Gas Journal.
  • Past Issues – An Electronic OGJ Archive. A keyword-searchable archive of all issues of Oil & Gas Journal dating back to 1990; also searchable by issue date.
  • Market Journal – a weekly round-up of the oil and gas markets, with observations from leading analysts.
  • Editor's Perspective – a short article of insight and opinion by the Editor of Oil & Gas Journal.
  • OGJ Industry Stats – quick access to current industry statistics from Oil & Gas Journal.
  • OGJ Survey Downloads - quick access to exclusive reports from Oil & Gas Journal.


Subscriber Help or Subscribe

Oil & Gas Journal Subscribers: Have your subscription number (from the mailing label on the cover of your Oil & Gas Journal) and e-mail address ready to set up your online account through Customer Service Assistant.

If you're not an Oil & Gas Journal subscriber, start a subscription and gain access to the subscriber areas of OGJ Online now.

Stay Connected