Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 20, 2011
Grant Date -
Oct 28, 2010
app pub date -
Apr 22, 2009
filing date -
Apr 22, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Drill bits for subterranean drilling comprising a bit body including at least one blade that includes a blade face comprising a contact zone and a sweep zone are disclosed. In particular, drill bits including at least one blade that extends at least partially over a nose region of the bit body, a shoulder region of the bit body and a gage region of the bit body and that include a sweep zone that rotationally trails the contact zone with respect to a direction of intended bit rotation about a longitudinal axis of the bit body and include a contact zone that defines a range of about 90% to about 30% of the blade face surface area is disclosed. Additionally, drill bits comprising a sweep zone located at least partially within a gage region are disclosed. Also, methods of off-center drilling and methods of manufacturing drill bits are disclosed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully