Activated reverse-out valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 10, 2015
Grant Date -
Jul 30, 2015
app pub date -
Nov 1, 2013
filing date -
Nov 1, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Disclosed is a reverse-out valve that minimizes swabbing of subterranean formations. One reverse-out valve includes a first mandrel, a second mandrel movable with respect to the first mandrel, a collet arranged about the first mandrel and having a cover portion and a plurality of fingers that extend axially from the cover portion, wherein each finger provides a collet protrusion defined thereon, a plurality of dogs movably arranged within a corresponding plurality of windows defined in the first mandrel, and a reverse activated plug device movable between an open position, where the plurality of dogs are disposed within a groove defined in the second mandrel and a reverse-circulation fluid is able to bypass the reverse activated plug device, and a closed position, where the plurality of dogs are moved out of the groove and the reverse-circulation fluid is prevented from bypassing the reverse activated plug device.
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