MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS
    1.
    发明申请
    MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS 有权
    海洋地震调查在水或阻塞水中

    公开(公告)号:US20140102347A1

    公开(公告)日:2014-04-17

    申请号:US14054116

    申请日:2013-10-15

    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.

    Abstract translation: 一根skeg从拖船的船尾安装,并延伸到水线以下。 skeg中的通道可以保护用于蒸笼的电缆和从容器部署的地震系统的源。 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,以避免浮冰。 拖缆可以在其上部署车辆以控制拖缆上的位置。 为了便于定位拖缆,拖缆上的这些车辆可以在没有浮冰的情况下被带到地面上,从而可以获得GPS读数并传送给控制系统。 获得读数后,车辆可以浮在表面下方。 在冰冷地区的表面部署,使用和检索系统帐户。 此外,处理地震记录可以解决冰影响事件产生的噪音。

    MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS

    公开(公告)号:US20190389540A1

    公开(公告)日:2019-12-26

    申请号:US16360656

    申请日:2019-03-21

    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
    3.
    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

    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 in icy or obstructed waters

    公开(公告)号:US10286981B2

    公开(公告)日:2019-05-14

    申请号:US14054098

    申请日:2013-10-15

    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.

    Arctic seismic surveying operations

    公开(公告)号:US09933536B2

    公开(公告)日:2018-04-03

    申请号:US14216935

    申请日:2014-03-17

    CPC classification number: G01V1/3808 G01V1/38

    Abstract: A marine seismic survey is performed in icy waters by initially planning a survey track traversing a survey area. The initial track is planned based on initial ice conditions in the survey area having the icy waters. After preparing the system, a seismic system is deployed into the water from a survey vessel at the survey area. This is typically done in an area relatively free of ice. At least one escort vessel escorts the survey vessel as it traverses the survey track and obtains seismic data. The survey vessel tows the seismic system under the surface of the icy water to avoid the ice. All the while, systems and operators monitor the survey area along the survey track for actual ice conditions. In this way, the escort vessel can handling the actual ice conditions along the survey track so the survey vessel does not need to halt.

    Marine Seismic Surveying with Towed Components Below Water Surface
    8.
    发明申请
    Marine Seismic Surveying with Towed Components Below Water Surface 有权
    水面以下牵引构件的海洋地震测量

    公开(公告)号:US20130182531A1

    公开(公告)日:2013-07-18

    申请号:US13793544

    申请日:2013-03-11

    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。

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