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    • 1. 发明申请
    • MARINE MECHANICAL SEISMIC SOURCE
    • 海洋机械地震源
    • WO2011156482A3
    • 2012-05-10
    • PCT/US2011039619
    • 2011-06-08
    • BP CORP NORTH AMERICA INCHARPER MARKTHOMPSON MARTINMOORE STUART
    • HARPER MARKTHOMPSON MARTINMOORE STUART
    • G01V1/145
    • G01V1/145
    • A marine seismic source comprises a housing having a central axis, an open end, and a closed end opposite the open end, in addition, the source comprises a piston coaxially disposed within the housing, In addition, the source comprises a flywheel disposed within the housing and axially positioned between the closed end and the piston. The flywheel is configured to rotate about a rotational axis. Further, the source comprises a connecting rod moveably coupling the piston to the flywheel. The connecting rod has a first end pivotally coupled to the piston and a second end pivotally coupled to the flywheel. The second end of the connecting rod has a first position at a first distance measured radially from the rotational axis, and a second position at a second distance measured radially from the rotational axis. The first distance is less than the second distance.
    • 海洋地震源包括具有中心轴线,敞开端和与开口端相对的封闭端的壳体,此外,源包括同轴地设置在壳体内的活塞。另外,源包括设置在该壳体内的飞轮 壳体并且轴向定位在封闭端和活塞之间。 飞轮被配置为围绕旋转轴线旋转。 此外,源包括将活塞可动地联接到飞轮的连杆。 连杆具有枢转地联接到活塞的第一端和枢转地联接到飞轮的第二端。 连杆的第二端具有从旋转轴线径向测量的第一距离的第一位置和从旋转轴线径向测量的第二距离的第二位置。 第一距离小于第二距离。