Structure for wired drill pipe having improved resistance to...

Wells – Conduit wall or specific conduit end structure – Downhole coupling or connector

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C439S191000

Reexamination Certificate

active

07823639

ABSTRACT:
A structure for wired drill pipe includes a pipe joint having a pin end and a box end. The pin end and box end each have threads for engagement with corresponding threads on a respective box and pin of an adjacent pipe joint. A longitudinal end of the threads on the pin and on the box include at least in an internal shoulder for engagement with a corresponding internal shoulder on an adjacent box or pin. The internal shoulder of each of the pin and the box includes a groove around a circumference thereof for retaining a communication device therein. An external flank of the groove on the pin, and a corresponding surface of the box include deflection resistance feature.

REFERENCES:
patent: 3518609 (1970-06-01), Fontenot, Jr.
patent: 5964486 (1999-10-01), Sinclair
patent: 6670880 (2003-12-01), Hall et al.
patent: 6992554 (2006-01-01), Hall et al.
patent: 7040018 (2006-05-01), Lohbeck et al.
patent: 7091810 (2006-08-01), Hall et al.
patent: 7093654 (2006-08-01), Hall et al.
patent: 7116199 (2006-10-01), Hall et al.
patent: 2002/0193004 (2002-12-01), Boyle et al.
patent: 2003/0156918 (2003-08-01), Benedict et al.
patent: 2005/0074998 (2005-04-01), Hall et al.
patent: 2006/0225926 (2006-10-01), Madhavan et al.
patent: 2007/0010119 (2007-01-01), Hall et al.
patent: 2008/0217916 (2008-09-01), Nagasaku et al.
patent: 204 0691 (1995-07-01), None
International Search Report and Written Opinion Dated Apr. 2, 2009 for Appl. No. PCT/US2008/075720; (12 p.).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Structure for wired drill pipe having improved resistance to... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Structure for wired drill pipe having improved resistance to..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Structure for wired drill pipe having improved resistance to... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4197408

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.