Wellbore milling tools and inserts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 6, 1997
Grant Date -
N/A
app pub date -
Sep 22, 1995
filing date -
Sep 22, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A cutting insert for wellbore milling operations is disclosed which, in certain embodiments, has two or more top milling surfaces on an insert body with the surfaces at different heights above a bottom of the insert body. In certain embodiments three top surfaces are used stair-stepped, with a central lower surface, or with a central higher surface. In one aspect all cutting surfaces have an array of chipbreaking indentations. Tools and methods are disclosed which use such inserts.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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