Fiber optic strain gauge and cable strain monitoring system...

Details Fiber optic strain gauge and cable strain monitoring system... Fiber optic strain gauge and cable strain monitoring system...

2007-05-22

2007-05-22

Hellner, Mark (Department: 3663)

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Offshore prospecting

C181S110000

Reexamination Certificate

active

11349752

ABSTRACT:
A method for operating a marine seismic survey system includes deploying from a seismic vessel at least two lead-in cables each functionally coupled at one end thereof proximate a respective paravane. The lead-in cables have at least one spreader cable functionally coupled between the paravanes. Strain is measured at least one position along each lead in cable; and a length of each cable is adjusted such that the measured strains are substantially equal.

REFERENCES:
patent: 5913280 (1999-06-01), Nielsen et al.
patent: 6018534 (2000-01-01), Pan et al.
patent: 6256090 (2001-07-01), Chen et al.
patent: 6343515 (2002-02-01), Dodson
patent: 6504792 (2003-01-01), Barker
patent: 6885785 (2005-04-01), Dunphy et al.

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