Air-spring compensation in a piston-type marine vibrator
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United States of America Patent
Stats
-
Nov 26, 2019
Grant Date -
Sep 8, 2016
app pub date -
May 12, 2016
filing date -
Sep 20, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Embodiments relate to the restriction of gas flow in a piston-type marine vibrator to compensate for air-spring effects. An embodiment provides marine vibrator comprising: a containment housing; a piston plate; a fixture coupled to the containment housing; a mechanical spring element coupled to the piston plate and to the fixture; a driver coupled to the piston plate and to the fixture; and a variable gas flow restrictor disposed in an interior volume of the marine vibrator, wherein the marine vibrator has a resonance frequency selectable based at least in part on the variable gas flow restrictor.
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International Classification(s)
- 2016 Application Filing Year
- G01V Class
- 1604 Applications Filed
- 1227 Patents Issued To-Date
- 76.50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- G01V Class
- 0 % this patent is cited more than
- 6 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 26, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 26, 2031 |
