Invention Grant
US07755970B2 Methods for controlling marine seismic equipment orientation during acquisition of marine seismic data 失效
海洋地震资料获取期间控制海洋地震设备取向的方法

Methods for controlling marine seismic equipment orientation during acquisition of marine seismic data
Abstract:
Methods are described for actively steering a towed marine seismic component using one or more actively controllable control members; reducing the actively steering of the control members during duration of a time window of recording seismic reflections from a sub-surface geological feature of interest; and resuming the actively steering of the control members after the time window. The marine seismic component may be a streamer, a source, or both. Other methods allow measuring initial orientation of a streamer based on measuring static control surface angle of a control surface of an inline steerable bird. This abstract is provided to comply with the rules requiring an abstract, and allow a reader to ascertain the subject matter of the technical disclosure. It will not be used to interpret or limit the scope or meaning of the claims.
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