Modified coiled tubing logs short-radius well

A modified coiled-tubing-conveyed production logging string proved effective for obtaining logs in a short-radius horizontal well in Saudi Arabia’s Ghawar field.The job used a Baker Atlas Polaris logging tool string with modified knuckle joints to pass through a severe 58°/100-ft dogleg in open hole and then convey the tool an additional 1,400 ft in the horizontal section.The logs determined the oil and water flow profile and identified water entry points. This information helped determine the most efficient way for sidetracking wells in field.Short-radius wellsAs fields mature, short-radius horizontal wells become increasingly more important for oil recovery and prolonging the ...

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