Gas-lift valve testing

11/23/2009
This letter refers to an article by Zotan Turzo and Gabor Takacs entitled "CFD techniques determine gas-lift valve behavior" (OGJ, June 8, 2009, p. 46).The article stated: "Mainly based on the systematic work performed at TUALP [Tulsa University artificial lift projects], API published the first edition of Gas Lift Valve Performance Testing (API RP11V2) in 1995."The statement is not entirely correct. The testing techniques adopted by American Petroleum Institute for the Recommended Practice (RP) 11V2 had been performed for many years prior to TUALP by Teledyne Merla. I am the chairman of RP 11V2 and former employee of Teledyne Merla. I am quite familiar with the time l...
read-story

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