Rotary steerable devices and methods of use

Boring or penetrating the earth – Processes – Boring curved or redirected bores

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C175S073000

Reexamination Certificate

active

07980328

ABSTRACT:
The invention provides rotary steerable devices and methods for use of rotary steerable devices. One aspect of the invention provides a rotary steerable device including: a cylinder configured for rotation in a wellbore, the cylinder having a slot and a gauge; and at least one cam received in the slot. The cam is configured for selective actuation between a first position, wherein the cam lies within the gauge of the cylinder, and a second position, wherein the cam is displaced out of the gauge of the cylinder.

REFERENCES:
patent: 3298449 (1967-01-01), Bachman et al.
patent: RE29526 (1978-01-01), Jeter
patent: 4693328 (1987-09-01), Furse et al.
patent: 4886130 (1989-12-01), Evans
patent: 5113953 (1992-05-01), Noble et al.
patent: 5265682 (1993-11-01), Russell et al.
patent: 5520255 (1996-05-01), Barr et al.
patent: 5553678 (1996-09-01), Barr et al.
patent: 5553679 (1996-09-01), Thorp et al.
patent: 5582259 (1996-12-01), Barr et al.
patent: 5603385 (1997-02-01), Colebrook et al.
patent: 5673763 (1997-10-01), Thorp et al.
patent: 5685379 (1997-11-01), Barr et al.
patent: 5695015 (1997-12-01), Barr et al.
patent: 5706905 (1998-01-01), Barr et al.
patent: 5778992 (1998-07-01), Fuller et al.
patent: 5803185 (1998-09-01), Barr et al.
patent: 5971085 (1999-10-01), Colebrook et al.
patent: 6089332 (2000-07-01), Barr et al.
patent: 6092610 (2000-07-01), Kosmala et al.
patent: 6158529 (2000-12-01), Dorel
patent: 6244361 (2001-06-01), Comeau et al.
patent: 6364034 (2002-04-01), Schoeffler
patent: 6394193 (2002-05-01), Askew
patent: 2001/0052428 (2001-12-01), Larronde et al.
patent: 2002/0001359 (2002-01-01), Skierszkan et al.
patent: 2006/0131030 (2006-06-01), Sheffield
patent: 2007/0154341 (2007-07-01), Saenger
Schlumberger, “PowerPulse,: High-resolution, real-time logs with fast data transmission” (2008).
Schlumberger, “PowerPulse Services” (2008).
Schlumberger, “Pulse MWD and Vision LWD Services Save USD 1.2 Million” (May 2007).

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

Rotary steerable devices and methods of use does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Rotary steerable devices and methods of use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotary steerable devices and methods of use will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2708113

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