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    • 26. 发明授权
    • Converted wave energy removal from seismic data
    • 地震数据转换波能量消除
    • US07433265B2
    • 2008-10-07
    • US11243136
    • 2005-10-04
    • Kenneth L. CraftBryan C. Keller
    • Kenneth L. CraftBryan C. Keller
    • G01V1/36
    • G01V1/36G01V2210/32G01V2210/52
    • Coherent wave noise energy is removed from seismic data by modeling both the P-wave primary energy and the coherent wave noise energy. The P-wave primary energy is modeled first and then subtracted from the input data. The data with the P-wave primary energy removed is used as the input for coherent wave energy removal. The coherent wave energy is modeled and subtracted from the original input data, i.e. the data input into P-wave primary removal. This leaves a dataset with P-wave primary energy and noise energy not related to coherent waves. This method can be utilized to remove all types of coherent noise with a velocity difference to the desired P-wave primary energy or with a different type of moveout (change of time of arrival with source-receiver distance) such as, for example, linear moveout.
    • 通过对P波一次能量和相干波噪声能量进行建模,从地震数据中去除相干波噪声能量。 首先对P波一次能量进行建模,然后从输入数据中减去。 将P波一次能量去除的数据用作相干波能量去除的输入。 相干波能量被建模并从原始输入数据中减去,即输入到P波初级去除中的数据。 这使得具有与相干波无关的P波初级能量和噪声能量的数据集。 该方法可用于以所需的P波一次能量或具有不同类型的移出(具有源 - 接收器距离的到达时间的改变)的速度差来去除所有类型的相干噪声,例如线性 搬出去。
    • 28. 发明授权
    • High resolution, marine seismic stratigraphic system
    • 高分辨率,海洋地震地层系统
    • US4353121A
    • 1982-10-05
    • US179283
    • 1980-07-24
    • Clifford H. RayNeil A. Moore
    • Clifford H. RayNeil A. Moore
    • G01V1/38G01V1/36
    • G01V1/3808
    • High resolution, high penetration marine seismic stratigraphic system wherein a slanted cable comprising spaced-apart hydrophone arrays gather seismic reflections so that the corresponding primary and ghost reflections from a common interface gradually are spaced apart. The primary reflections are time aligned and stacked. The ghost reflections are phase reversed, time shifted and time aligned to coincide with the time aligned primary stack and then stacked to give a combined primary and ghost stack, which effectively includes almost twice the information as from the primary stack alone. No inverse notch filters are needed to correct for the ghost phenomenon. Focused noise out of the vertical plane is also virtually eliminated.
    • PCT No.PCT / US80 / 00925 Sec。 371日期1980年7月24日 102(e)日期1980年7月24日PCT提交1980年7月24日PCT公布。 公开号WO82 / 00365 日期:1982年2月4日。高分辨率,高渗透度的海洋地震地层系统,其中包括间隔开的水听器阵列的倾斜电缆收集地震反射,使得来自公共界面的对应的主要和重影反射逐渐间隔开。 主要反射是时间对齐和堆叠的。 幽灵反射相位反转,时间偏移和时间对齐,与原始堆叠的时间对齐,然后堆叠,以提供组合的主要和重叠堆叠,其有效地包含从单个堆叠的几乎两倍的信息。 不需要反向陷波滤波器来纠正重影现象。 从垂直平面出来的聚焦噪声也几乎消除了。
    • 29. 发明授权
    • Radio frequency seismic gathering system employing an airborne blimp
    • 使用空中飞行的射频地震采集系统
    • US4236234A
    • 1980-11-25
    • US60625
    • 1979-07-25
    • William T. McDavidJames M. McKeeverRoger A. Imm
    • William T. McDavidJames M. McKeeverRoger A. Imm
    • G01V1/22
    • G01V1/223
    • The central station of a radio-connected seismic surveying system uses a tethered blimp carrying an antenna and an electronics package including a dc voltage/rf decoupler, a variable dc controlled preamplifier, a P-I-N diode switch for changing the antenna from receive to transmit operation, a transmitter and modulator and a battery. An rf coaxial cable to ground provides means for controlling the preamplifier gain and for switching the central station to the transmit mode by using appropriate dc signals. In the receive mode, the cable carries detected field unit seismic signals, which are detected by the blimp-carried antenna and preamplified by the blimp preamplifier, to the ground for suitable recording and further processing in the ground portion of the central station. An audio channel can also be modulated onto the transmit carrier of approximately 70 MHz to provide voice communications via the blimp electronics, if desired. Both the ground portion and the blimp portion of the central station are packaged for helicopter transporting.
    • 无线电连接的地震测量系统的中心站使用带有天线的束缚式飞艇和包括直流电压/射频去耦器,可变直流控制前置放大器,PIN二极管开关的电子封装,用于将天线从接收改变为发射操作, 发射机和调制器以及电池。 同轴电缆到地面提供了控制前置放大器增益的手段,并通过使用适当的直流信号将中心站切换到发射模式。 在接收模式下,电缆将检测到的天线单元地震信号传送到地面,以便在中心站的地面部分进行适当的记录和进一步处理,这些地震信号由飞轮携带的天线检测并由前置放大器进行前置放大。 如果需要,也可以将音频信道调制到大约70MHz的发射载波上,以经由飞轮电子设备提供语音通信。 中央车站的地面部分和飞艇部分均包装在直升机运输中。