Tandem sub for self-orienting perforating system
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United States of America Patent
Stats
-
Apr 16, 2024
Grant Date -
Aug 24, 2023
app pub date -
May 1, 2023
filing date -
Jan 21, 2022
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and apparatus for using a tandem sub to connect one or more perforating gun assemblies, having a rotational bearing mechanism lining the inner diameter in both ends to allow the charge tube assembly to rotate within the gun body.
First Claim
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International Classification(s)
- 2023 Application Filing Year
- E21B Class
- 2594 Applications Filed
- 983 Patents Issued To-Date
- 37.90 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- E21B Class
- 94.65 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Oct 16, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 16, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 16, 2035 |
