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US 8,261,830 B2Granted
Fishing tool and method
AssigneeBaker Hughes Incorporated
InventorRichard YingQing Xu
Life of this patent
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Abstract
A fishing tool includes a grapple and an exciter in vibration transmissive communication with the grapple and method.
Claims15
A fishing tool comprising:
- a grapple;
- an exciter having:
- a housing in vibration transmissive communication with the grapple;
- and
- a rod having an axis, the rod mounted in the housing with the axis of the rod transverse to an axis of the housing, the rod having a cross sectional shape that produces vortex shedding upon fluid flow thereacross.
2 more elements
Dependencies are inferred from the claim text.