Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Reexamination Certificate
2008-07-22
2008-07-22
Hellner, Mark (Department: 3663)
Communications, electrical: acoustic wave systems and devices
Seismic prospecting
Offshore prospecting
C114S245000
Reexamination Certificate
active
07403448
ABSTRACT:
Apparatus and methods for enhancing knowledge of the angle of attack of a streamer steering device are described, one apparatus comprising a seismic streamer having an orientation member including a body and at least one control surface; a sensor of the body adapted to measure a parameter indicative of angle of attack of the body; and a controller for adjusting the control surface based on at least the measured parameter. It is emphasized that this abstract is provided to comply with the rules requiring an abstract, which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
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UK Search Report dated Sep. 12, 2006, Application No. GB 0610412.9.
Toennessen Rune
Vigen Erik
Welker Kenneth E.
Grriffin Jeffrey E.
Hellner Mark
Wendt Jeffrey L.
WesternGeco L.L.C.
Ye Liangang (Mark)
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