| SERCEL, INC. Patent applications |
| Patent application number | Title | Published |
| 20120092955 | System and Method for Reducing the Effects of Ghosts From the Air-Water Interface in Marine Seismic Exploration - A system mechanically alters the geometry of the surface of the water by breaking the water surface with a mechanical device. The mechanical device may comprise a plurality of propellers, a plurality of aquafoils in the shape of plows, a wire whip, or other mechanical device to reduce the coefficient of reflectivity of the air-water interface. | 04-19-2012 |
| 20110310698 | Dual Axis Geophones For Pressure/Velocity Sensing Streamers Forming a Triple Component Streamer - A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in opposing pairs in the channels; a pair of orthogonally oriented acoustic particle motion sensors; and a tilt sensor adjacent or associated with the particle motion sensors. The streamer has a plurality of hydrophones, as previously described, aligned with a plurality of accelerometers which detect movement of the streamer in the horizontal and vertical directions, all coupled with a tilt sensor, so that the marine seismic system can detect whether a detected seismic signal is a reflection from a geologic structure beneath the streamer or a downward traveling reflection from the air/seawater interface. | 12-22-2011 |