To facilitate an installation operation of a streamer cable for a ship when a three-dimensional investigation of a seabed stratum is performed by a reflection seismic survey of a streamer cable towage type.SOLUTION: In a process of throwing, into an ocean 51, a plurality of streamer cables 101 including a plurality of hydrophones 102, connecting them to a ship 201, and towing them in parallel, an elastic wave travelling toward the seabed is generated by a boomer 241, and a reflection wave reflected on the bottom surface or a stratum surface can be observed by the hydrophones 102. An information recording device 111 disposed in the streamer cable 101 records, in a storage medium, receiving data based on the output signal of each hydrophone 102 in response to the time. Information processing devices 211 and 261 mounted in the ship 201 record the position coordinates of all hydrophones 102 and a position coordinate of the boomer 241 every time.SELECTED DRAWING: Figure 1

    【課題】ストリーマケーブル曳航方式の反射法地震探査による海底地層の三次元調査を行うに際して、船舶に対するストリーマケーブルの設置作業の容易化を図ること。【解決手段】複数個のハイドロフォン102を有する複数本のストリーマケーブル101を海洋51に投じ、船舶201につないで並列に曳航する過程で、ブーマー241によって海底に向かう弾性波を生じさせ、地底面や地層面を反射した反射波をハイドロフォン102で観察可能とする。ストリーマケーブル101に設けられた情報記録装置111は、個々のハイドロフォン102の出力信号に基づく受振データを時刻と対応づけて記憶媒体に記録する。船舶201に搭載された情報処理装置211,261は、すべてのハイドロフォン102の位置座標とブーマー241の位置座標とを時刻毎に記録する。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    REFLECTION SEISMIC SURVEY METHOD AND REFLECTION SEISMIC SURVEY SYSTEM


    Additional title:

    反射法地震探査方法及び反射法地震探査システム


    Contributors:

    Publication date :

    2019-01-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01V Geophysik , GEOPHYSICS / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



    Seismic reflection technology

    Rees, A.I. | Tema Archive | 1995


    Seismic survey

    Scanlan, H. | Engineering Index Backfile | 1964


    Seismic survey

    WEST PAUL / HIBBEN TERENCE | European Patent Office | 2022

    Free access

    SEISMIC SURVEY

    WEST PAUL / HIBBEN TERENCE | European Patent Office | 2021

    Free access

    SEISMIC SURVEY COMPLEX

    SEMENOV VYACHESLAV BORISOVICH / TOROPOV EVGENIJ EVGENEVICH | European Patent Office | 2020

    Free access