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    • 5. 发明申请
    • SEISMIC TRUE ESTIMATED WAVELET
    • 地震真正的估计小波
    • WO2012158545A3
    • 2013-07-18
    • PCT/US2012037600
    • 2012-05-11
    • CONOCOPHILLIPS COEICK PETER MBREWER JOEL D
    • EICK PETER MBREWER JOEL D
    • G01V1/37
    • G01V1/37G01V2210/127G01V2210/58
    • The invention relates to processing seismic data that includes signals from at least two sources (15,16,17) and typically three or four sources where source separation is necessary for geophysical analysis. Specifically, the present invention is a process for correcting data prior to inversion where the correction is provided to correct for the filtering effect of the earth. The earth is a non-homogenous seismic propagator that causes distortions of wavelets of seismic energy related to the source and receiver azimuth and offset that makes the identification of source specific data within the composite data harder to identify. Computing an earth response and correcting for the effects of the earth on the wavelets provides for more resolution and more clarity in the resulting data and better geophysical interpretation.
    • 本发明涉及处理地震数据,其包括来自至少两个源(15,16,17)和通常三个或四个源的信号,其中源分离对于地球物理分析是必需的。 具体地说,本发明是一种用于在反转之前对数据进行校正的处理,其中提供校正以校正地球的滤波效果。 地球是一种不均匀的地震传播器,其导致与源和接收机方位角和偏移量相关的地震能量小波的变形,这使得复合数据内的源特定数据的识别难以识别。 计算地球反应并纠正地球对小波的影响提供了更多的分辨率和更清晰的结果数据和更好的地球物理解释。
    • 6. 发明申请
    • ACTIVE STEERING CURVED AND FLARED SEISMIC STREAMERS
    • 主动转向弯曲和地震地震行星
    • WO2012061735A3
    • 2013-01-17
    • PCT/US2011059376
    • 2011-11-04
    • CONOCOPHILLIPS COEICK PETER MBREWER JOEL D
    • EICK PETER MBREWER JOEL D
    • G01V1/38
    • G01V1/3817
    • The invention relates to seismic data acquisition in a marine environment with long streamers of hydrophone receivers towed by a boat. In a conventional acquisition program, the streamers follow straight behind the boat and when the boat has completed a pass and needs to turn to make another pass, the boat turns a very large radius turn to keep the streamers from tangling with one another. In the present invention, the streamers are steered to follow a course that is related to the navigated path of the boat. In this arrangement, the hydrophones at the far ends of the long streamers maintain a course that is related to the position of the boat as much as ten kilometers earlier even though the boat has made a significant turn. Thus, the birds that guide the streamers are arranged to counteract the pulling forces that the boat would otherwise impose on the streamers drawing the streamers off the navigated path. Using this invention, active seismic acquisition is practical even while turning and, to the extent that the boat must proceed out of the survey area, should be able to spend less time outside the survey area by making tighter turns to get back on productive seismic data acquisition.
    • 本发明涉及在海洋环境中的地震数据采集,其中船拖着水拖音接收器的长拖缆。 在传统的采集程序中,拖船沿着船后直接行进,当船完成通行证并需要转向另一个通行证时,船转弯非常大的半径,以防止拖缆彼此缠结。 在本发明中,拖缆被转向以跟随与船的导航路径有关的路线。 在这种布置中,长拖缆远端的水听器保持了与多达十公里以前的船的位置有关的航程,即使船已经转弯了。 因此,引导拖缆的鸟被布置成抵消船将另外施加在拖缆上的牵引力,从而将拖缆拉离导航路径。 使用本发明,即使在转弯时,主动地震采集也是实用的,并且在船舶必须走出测量区域的范围内,应该能够通过更紧密的转弯来回收生产性地震数据,从而在测量区域之外花更少的时间 收购。