Plug assists valve changeout on South China Sea platform

A low-pressure plug is test loaded in a large-diameter pipe at a UK test site. (Photograph courtesy of Pipeline Engineering, North Yorkshire, UK.)Click here to enlarge imagePTTEP, Thailand petroleum authority's exploration and production unit, has taken receipt of what the supplier, Pipeline Engineering, Richmond, North Yorkshire, UK, calls a unique gas pipeline low-pressure plug. PTTEP needed a method of isolating a 32-in. gas pipeline on the PTT Bongkot platform in the South China Sea. The isolation was necessary to allow work on a leaking valve body.But only a small amount of room was available behind the valve body, precluding use of conventional stoppers, says Pipeline Engineer...

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