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    Marine Seismic Surveying with Towed Components Below Water's Surface
    21.
    发明申请
    Marine Seismic Surveying with Towed Components Below Water's Surface 审中-公开

    公开(公告)号：US20200073003A1

    公开(公告)日：2020-03-05

    申请号：US16566632

    申请日：2019-09-10

    Applicant: ION Geophysical Corporation

    Inventor： Curt Schneider ,  Timothy A. Dudley

    IPC: G01V1/38 ,  B63B21/66 ,  B63B3/38

    Abstract: A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed from the vessel. Tow points on the skeg lie below the water's surface and connect to towlines to support the steamers and the source. A floatation device supports the source and tows below the water's surface to avoid ice floes or other issues encountered at the water's surface. Seismic streamers have head floats supporting the streamers. Each of the floats has adjustable buoyancy preconfigured to counterbalance the weight in water of the towed component that the float supports. Acoustic signals from a transceiver at the vessel find locations of the towed components. A towed fish at a lower level than the towed components also uses acoustic signals with a transceiver to further refine the locations of the towed components.

    MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS
    23.
    发明申请
    MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS 审中-公开

    公开(公告)号：US20190389540A1

    公开(公告)日：2019-12-26

    申请号：US16360656

    申请日：2019-03-21

    Applicant: ION Geophysical Corporation

    Inventor： Joseph R. Gagliardi ,  Shawn Rice ,  Curt Schneider ,  Jeffrey W. Cunkelman ,  Timothy A. Dudley ,  Dale Lambert ,  Mike Burnham

    IPC: B63B3/38 ,  G01V1/38 ,  B63B3/14 ,  B63B21/66 ,  B63B35/08

    Abstract: A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source of a seismic system deployed from the vessel. Tow points on the skeg lie below the water's surface and connect to towlines to support the steamers and source. A floatation device supports the source and tows below the water's surface to avoid ice floes. The streamers can have vehicles deployed thereon for controlling a position on the streamer. To facilitate locating the streamers, these vehicles on the streamers can be brought to the surface when clear of ice floes so that GPS readings can be obtained and communicated to a control system. After obtaining readings, the vehicles can be floated back under the surface. Deploying, using, and retrieving the system accounts for ice at the surface in icy regions. In addition, handling the seismic record can account for noise generated by ice impact events.

    Marine seismic surveying with towed components below water surface
    26.
    发明授权
    Marine seismic surveying with towed components below water surface 有权
    水面以下的拖曳部件的海洋地震勘测

    公开(公告)号：US09535182B2

    公开(公告)日：2017-01-03

    申请号：US13793544

    申请日：2013-03-11

    Applicant: ION Geophysical Corporation

    Inventor： Joseph R. Gagliardi ,  Shawn Rice ,  Timothy A. Dudley ,  Curt Schneider

    IPC: G01V1/38 ,  G01V1/16

    CPC classification number: G01V1/3835 ,  G01S5/18 ,  G01S11/14 ,  G01V1/16 ,  G01V1/3826

    Abstract: A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed from the vessel. Tow points on the skeg lie below the water's surface and connect to towlines to support the steamers and the source. A floatation device supports the source and tows below the water's surface to avoid ice floes or other issues encountered at the water's surface. The floatation device has a depth controlled float and one or more adjustable buoyancy floats. The controlled float has its buoyancy controlled with pressurized gas used for the air gun source and actively controls the depth of air gun source in the water. Each of the adjustable float connects in line with the controlled float with flexible connections. Each adjustable float has its buoyancy preconfigured to counterbalance the weight in water of the air gun or portion of the source that the float supports.

    Abstract translation: 一根skeg从拖船的船尾安装，并延伸到水线以下。 skeg中的通道保护用于蒸笼的电缆和从容器部署的地震系统的源（例如，气枪阵列）。 skeg上的牵引点位于水面以下，并连接到拖车以支撑蒸笼和水源。 漂浮装置支撑水面下面的水源和水道，以避免在水面遇到冰川或其他问题。 漂浮装置具有深度控制的浮子和一个或多个可调节的浮力浮子。 受控浮子的浮力由用于气枪源的加压气体控制，并主动控制水中气枪源的深度。 每个可调节浮子都与可控制的浮子连接，具有灵活的连接。 每个可调节的浮子具有预先配置的浮力，以平衡气枪的水中的重量或浮子支撑的源的部分。

    Marine Seismic Surveying with Towed Components Below Water's Surface
    27.
    发明申请
    Marine Seismic Surveying with Towed Components Below Water's Surface 有权

    公开(公告)号：US20160025882A1

    公开(公告)日：2016-01-28

    申请号：US14339726

    申请日：2014-07-24

    Applicant: ION Geophysical Corporation

    Inventor： Curt Schneider ,  Timothy A. Dudley

    IPC: G01V1/38 ,  G01V1/16

    CPC classification number: G01V1/3835 ,  G01S5/18 ,  G01S11/14 ,  G01V1/16 ,  G01V1/3826

    Abstract: A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed from the vessel. Tow points on the skeg lie below the water's surface and connect to towlines to support the steamers and the source. A floatation device supports the source and tows below the water's surface to avoid ice floes or other issues encountered at the water's surface. Seismic streamers have head floats supporting the streamers. Each of the floats has adjustable buoyancy preconfigured to counterbalance the weight in water of the towed component that the float supports. Acoustic signals from a transceiver at the vessel find locations of the towed components. A towed fish at a lower level than the towed components also uses acoustic signals with a transceiver to further refine the locations of the towed components.

    Marine Seismic Surveying with Towed Components Below Water's Surface
    28.
    发明申请
    Marine Seismic Surveying with Towed Components Below Water's Surface 有权
    水面以下牵引构件的海洋地震测量

    公开(公告)号：US20150101420A1

    公开(公告)日：2015-04-16

    申请号：US14339736

    申请日：2014-07-24

    Applicant: ION Geophysical Corporation

    Inventor： Curt Schneider ,  Timothy A. Dudley

    IPC: G01V1/38 ,  B63G8/00 ,  G01L5/13 ,  B63G8/42 ,  G01L1/24 ,  B63B3/38 ,  B63G8/14

    CPC classification number: G01V1/3843 ,  B63B3/38 ,  B63B2701/20 ,  B63G8/001 ,  B63G8/14 ,  B63G8/42 ,  G01L1/247 ,  G01L5/136

    Abstract: A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source (e.g., air gun array) of a seismic system deployed from the vessel. Tow points on the skeg lie below the water's surface and connect to towlines to support the steamers and the source. A floatation device supports the source and tows below the water's surface to avoid ice floes or other issues encountered at the water's surface. Seismic streamers have head floats supporting the streamers. Each of the floats has adjustable buoyancy preconfigured to counterbalance the weight in water of the towed component that the float supports. Acoustic signals from a transceiver at the vessel find locations of the towed components. A towed fish at a lower level than the towed components also uses acoustic signals with a transceiver to further refine the locations of the towed components.

    Abstract translation: 一根skeg从拖船的船尾安装，并延伸到水线以下。 skeg中的通道保护用于蒸笼的电缆和从容器部署的地震系统的源（例如，气枪阵列）。 skeg上的牵引点位于水面以下，并连接到拖车以支撑蒸笼和水源。 漂浮装置支撑水面下面的水源和水道，以避免在水面遇到冰川或其他问题。 地震拖缆具有支撑拖缆的头部浮子。 每个浮子具有预先配置的可调节浮力，以抵消浮子支撑的拖曳部件的水中的重量。 来自船只收发器的声音信号找到拖曳部件的位置。 与被拖曳的部件相比较低的拖曳的鱼也使用具有收发器的声学信号来进一步改善拖曳部件的位置。

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