Russian test facility allows direct inspection of bottom-hole assemblies under in situ conditions

12/07/1998
Dean E. Gaddy Drilling Editor This Uralmash 300 EYK drilling rig is situated atop a 50-m deep bottomhole assembly test shaft in Perm, Russia (Fig. 1) The upper section of the pressure chamber (first level), located next to the elevator, is part of a closed-loop system connected to a hydraulic compensator on the right. The compensator creates pressure on the back side of the pressure chamber, maintaining the desired hydrostatic pressure in the hole (Fig. 3 [40,620 bytes]). The central control room uses computer monitoring and control equipment to operate and record test activities (Fig. 4 [21,351 bytes]). The rock chamber, to be installed in the lowest ...
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