Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent
1982-01-21
1985-06-25
Moskowitz, Nelson
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
367144, 174 47, 1741015, 181110, 181120, G01V 138
Patent
active
045258139
ABSTRACT:
An armored umbilical and termination housing is disclosed for towing a sub-array of seismic air guns used in marine seismic surveying comprising a single air hose for supplying all the high pressure air to the individual air guns surrounded by all the electrical control cables needed to operate the air guns in the sub-array. Protective coatings are applied around the electrical control cables and stress members for carrying the laod of towing the sub-array are incorporated within the umbilical. A termination housing is provided on the end of the umbilical for terminating the single air hose and all the electrical control lines to common connectors so that individual electrical control lines and air hoses can run from the termination housing to each individual air gun in the sub-array. Air shut off valves are provided so that the high pressure air can be shut off to the individual air guns within the sub-array remotely from the survey vessel.
REFERENCES:
patent: 2416561 (1947-02-01), Albin
patent: 4038630 (1977-07-01), Chelminski
Lobo Ian
Moskowitz Nelson
Reiter Bernard A.
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