Downhole severing tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 22, 2015
Grant Date -
Oct 31, 2013
app pub date -
May 13, 2013
filing date -
Jun 8, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
The pipe cutting capacity of an explosive pipe cutter may be improved by directing colliding shock fronts from opposite axial directions against a disc of metal having a shock impedance substantially corresponding to the shock impedance capacity of the explosive material.
First Claim
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International Classification(s)
- 2013 Application Filing Year
- E21B Class
- 3688 Applications Filed
- 3292 Patents Issued To-Date
- 89.27 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 3 Citation Count
- E21B Class
- 6.40 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 22, 2027 |
