Competitive pressure introduces disparate bicenter design

BICENTER DRILL BITS-Conclusion Without recent developments in machine drill-bit technologies, the ability to produce irregular-shaped junk slots would not have been possible. This bit includes a partial gauge ring drilled into the body of the reamer section and a separate, full-contact pilot gauge ring drilled into the pilot (Fig. 1). (Photo courtesy of Reed-Hycalog)Click here to enlarge imageIn response to competitive pressures introduced by recent shoe drill-out achievements, major bit manufacturers have begun using disparate bit features to drill reliably through plugs, packers, and formations in one run, while retaining toolface control throughout complex build and tangent sections. ...

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