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    • 2. 发明授权
    • Method and system for acquisition of 3-dimensional marine seismic data
    • 采集三维海洋地震资料的方法和系统
    • US5257241A
    • 1993-10-26
    • US697573
    • 1991-05-08
    • Gerald J. HendersonPeter C. JohnsonPeter G. RigsbyLawrence B. Sullivan
    • Gerald J. HendersonPeter C. JohnsonPeter G. RigsbyLawrence B. Sullivan
    • G01V1/20G01V1/38G01J1/38
    • G01V1/20G01V1/3808
    • A marine seismic surveying system and method are disclosed. A plurality of receiver arrays, each arranged as groups of receivers (hydrophones or geophones) mounted along a cable, extend from a central location thereamong, and are connected to a platform near the central location. Systems with single and multiple platforms and their associated arrays are disclosed. The arrays each extend from the central location in different directions, preferably in a symmetrical fashion, and have their terminal ends fixed in position by way of an anchor or dynamic positioning means. Position and depth indicating instruments are also preferably mounted in each array, and at other locations in the area so that the receivers may be accurately located. The survey is accomplished by a seismic source traveling along a path which intersects the lines defined by one or more of the seismic arrays at an angle, for example a 45.degree. angle for perpendicularly deployed arrays. As a result, seismic data is acquired which is uniform in fold, and which has distributed offset distances and azimuths for each bin, so that full 3-D surveys and VSP can be readily performed with high accuracy and efficiency.
    • 公开了海洋地震测量系统和方法。 多个接收器阵列,每个被布置为沿着电缆安装的接收器(水听器或地震检波器)组,其从中心位置延伸,并且连接到靠近中心位置的平台。 公开了具有单个和多个平台及其关联阵列的系统。 阵列各自从不同方向的中心位置延伸,优选地以对称的方式延伸,并且其终端通过锚或动态定位装置固定在适当位置。 位置和深度指示仪器也优选地安装在每个阵列中以及在该区域中的其他位置处,使得接收器可以被精确地定位。 勘测是通过一个沿着路径行进的地震源实现的,该路径与一个或多个地震阵列限定的线以一角度(例如45°角)垂直布置的阵列相交。 结果,获得了均匀折叠的地震数据,并且为每个仓分布了偏移距离和方位角,使得可以以高精度和高效率容易地执行完整的3-D勘测和VSP。
    • 5. 发明授权
    • Method for acquiring marine seismic data having statistically
distributed azimuths and offsets
    • 用于获取具有统计分布的方位角和偏移量的海洋地震数据的方法
    • US5430689A
    • 1995-07-04
    • US725832
    • 1991-07-03
    • Peter G. RigsbyGerald J. HendersonJames A. Musser
    • Peter G. RigsbyGerald J. HendersonJames A. Musser
    • G01V1/38
    • G01V1/3861
    • A method of performing a marine seismic survey is disclosed Seismic receivers, either hydrophones or geophones, are deployed in a set of parallel lines in the survey area. The acoustic energy is generated from a conventional marine seismic source towed by a vessel traveling in paths which are substantially perpendicular to the lines of receiver stations. The paths may pass over the lines of receiver stations, and may also pass outside of the receiver area. Alternative embodiments are disclosed which include sequencing of multiple sets of receiver station lines with one another, so that shots fired along different segments of the path correspond to the different sets of receiver stations. In addition, multiple sources may be towed and alternatively fired, to improve the survey efficiency.
    • 公开了执行海洋地震勘测的方法。在测量区域中,一组平行线路部署了地震接收机(水听器或地震检波器)。 声能源是由传统的海洋地震源产生的,该海洋地震源由大体上垂直于接收站线的路径行进的船只拖曳。 路径可以通过接收站的线路,也可以通过接收机区域的外部。 公开了替代实施例,其包括彼此对多组接收机站线进行排序,使得沿着路径的不同段发射的镜头对应于不同的接收机组集合。 此外,多个来源可能被拖曳并且可选择地发射,以提高调查效率。
    • 6. 发明授权
    • Method of simulating a seismic survey
    • 模拟地震勘测的方法
    • US5466157A
    • 1995-11-14
    • US384356
    • 1995-02-02
    • Gerald J. HendersonPeter C. JohnsonLawrence B. Sullivan
    • Gerald J. HendersonPeter C. JohnsonLawrence B. Sullivan
    • B29C67/00G01H1/08G01V1/28G09B23/40G01V1/00
    • B29C67/0081B29C67/0055G01H1/08G01V1/282G09B23/40G01V2210/66
    • A method of forming a scale model for simulation of a seismic survey is disclosed. The model includes layers which are formed by way of stereolithography or similar methods, from a CAD data base; the precision of the formation of the layers allows for construction of the model without adhesives between all layers for structural integrity of the model, although adhesive or a wetting agent may be used, depending upon the desired simulation experiment. The model also includes molded layers which are poured, injected, or otherwise introduced in liquid form. The liquid may then be solidified, or may remain in liquid form, depending upon the survey. These molded layers may be made into the prefabricated layers where appropriate, or during the process of constructing the model. Simulation of the survey may be made by imparting acoustic energy thereinto and detecting the same. The disclosed method allows for iteration of the simulation in an efficient manner, as certain of the layers may be removed and replaced with others, due to the precision of the prefabrication process. Further iteration may efficiently be made by reconstruction of the entire model, due to the efficiency of the formation of the various layers.
    • 公开了一种形成地震勘测模拟的尺度模型的方法。 该模型包括通过立体光刻法或类似方法由CAD数据库形成的层; 虽然可以使用粘合剂或润湿剂,但是取决于所需的模拟实验,层的形成的精度允许在所有层之间的结构上建立模型的结构完整性的模型。 该模型还包括浇注,注入或以其他方式以液体形式引入的模制层。 根据调查,液体可以固化,或者可以保持液体形式。 这些模塑层可以在适当的时候或在构建模型的过程中制成预制层。 可以通过将声能传递到其中并进行检测来进行该调查的模拟。 所公开的方法允许以有效的方式迭代模拟,因为由于预制处理的精度,某些层可能被移除并被其他层替代。 由于各层的形成的效率,可以通过重建整个模型来进行进一步的迭代。
    • 7. 发明授权
    • Method and system for geophysical and geologic modeling
    • 地球物理与地质建模方法与系统
    • US5451164A
    • 1995-09-19
    • US896047
    • 1992-06-09
    • Gerald J. HendersonPeter C. JohnsonLawrence B. Sullivan
    • Gerald J. HendersonPeter C. JohnsonLawrence B. Sullivan
    • B29C67/00G01H1/08G01V1/28G09B23/40G06F15/20
    • B29C67/0081G01H1/08G01V1/282G09B23/40G01V2210/66
    • A method and system for using sonography to image the internal structure of geophysical and geologic models are disclosed. The sonography system includes a wand having a plurality of piezoelectric elements at an active surface thereof, each coupled to driver/receiver circuitry. Certain of the piezoelectric elements are selected as ultrasonic sources and receivers; the source/receiver designation may vary over time, as each of the elements may either generate or receive acoustic energy. A computer system, connected to the wand, receives signals from the receivers corresponding to reflected and refracted ultrasonic energy, and generates a zero offset trace image therefrom. In the geophysical case, the scale model is formed of materials such as plastics and rubbers having the desired properties for simulating the response of a portion or layer in the earth to ultrasonic vibrations. Sonography serves to measure the actual structure of the geophysical model, so that the effectiveness of seismic survey designs and data processing techniques may be evaluated. In the geologic case, the model is formed of clays, and a force applied thereto from one side. Sonography allows for real-time visibility into the internal structure of the model during the application of the force, so that the internal dynamics can be monitored. Dry sand geologic models can utilize sonographic inspection via a metal plate on the bottom of the model, which provides coupling of the ultrasonic energy into the dry sand bed.
    • 公开了一种使用超声波图像对地球物理和地质模型内部结构进行成像的方法和系统。 超声波系统包括在其有效表面具有多个压电元件的魔杖,每个耦合到驱动器/接收器电路。 选择某些压电元件作为超声波源和接收器; 源/接收器指定可以随时间变化,因为每个元件可以生成或接收声能。 连接到魔杖的计算机系统从反射和折射的超声能量接收来自接收器的信号,并从其生成零偏移迹线图像。 在地球物理学的情况下,比例模型是由具有所需性质的塑料和橡胶等材料形成的,用于模拟地球中的一部分或多个层对超声波振动的响应。 超声波测绘可以测量地球物理模型的实际结构,从而可以评估地震勘测设计和数据处理技术的有效性。 在地质情况下,模型由粘土形成,并且从一侧施加到其上的力。 超声波图可以在施加力时实时观察模型的内部结构,从而可以监测内部动力学。 干砂地质模型可以通过模型底部的金属板进行超声波检测,从而提供超声能量耦合到干砂床中。