Horizontal drilling proves zone-specific application in Iranian carbonate reservoirs

12/09/2002
The National Iranian South Oil Co. (NISOC), Ahwaz, Iran, has applied horizontal drilling technology to the country's carbonate and sandstone reservoirs to increase recoverable reserves, well productivity, and production efficiency.The company drilled the first horizontal well in 1992. It drilled 20 horizontal wells in 1993 and by 1999 had drilled 68 horizontal wells in Iranian oil and gas fields.1 Click here to enlarge imageIn one application, NISOC evaluated horizontal wells in the Cretaceous carbonate reservoirs of a southern Iranian oil field (Fig. 1).2 The field has upper (reservoir I1) and lower (reservoir II2) carbonate intervals that are separated by an impermeable formation.A...
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