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| Number | Title | Issue Date |
| 8328467 | Powered sheave for node deployment and retrieval A method and apparatus for deploying a plurality of seismic sensor units into a water column is provided. In one embodiment, a marine vessel is provided. The marine vessel includes a node storage and handling system disposed on a deck of the vessel. The node storage... | 12/11/2012 |
| 8310899 | Multiple receiver line deployment and recovery Embodiments described herein relate to an apparatus and method of transferring seismic equipment to and from a marine vessel and subsurface location. In one embodiment, the method includes deploying at least one remotely operated vehicle from a vessel operating in a... | 11/13/2012 |
| 8296068 | Method for transmission of seismic data The transmission method utilizes multiple seismic acquisition units within an array as intermediate short range radio receivers/transmitters to pass collected seismic data in relay fashion back to a control station. Any one seismic unit in the array is capable of tr... | 10/23/2012 |
| 8228761 | Ocean bottom seismometer package A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings, An external bumper is provided to promote ocean bottom coupling and prevent fishing net entrapment. Pods are teth... | 07/24/2012 |
| 8228759 | System for transmission of seismic data The transmission system combines a self-contained, wireless seismic acquisition unit and a wireless, line of site, communications unit to form a plurality of individual short-range transmission networks and also a mid-range, line of sight transmission network. Each ... | 07/24/2012 |
| 8226328 | Seismic cable with adjustable buoyancy A method and apparatus for a seismic cable is described. In one embodiment, the seismic cable includes a first cable segment and a second cable segment coupled together by a connector. Each cable segment includes an inner jacket defining a hollow core, a braided str... | 07/24/2012 |
| 8172480 | Node storage, deployment and retrieval system A marine vessel is provided. The marine vessel comprises a cable handling system disposed on the marine vessel between a leading end and a trailing end of the vessel. The cable handling system comprises a cable handler positioned proximate the trailing end and a cab... | 05/08/2012 |
| 8127706 | Deck configuration for ocean bottom seismometer launch platforms A configuration for the deck of a marine vessel, wherein parallel and perpendicular travel paths, for movement of individual OBS unit storage baskets, are formed along a deck utilizing, in part, the storage baskets themselves. A portion of the deck is divided into a... | 03/06/2012 |
| 8087848 | Powered sheave for node deployment and retrieval A method and apparatus for deploying a plurality of seismic sensor units into a water column is described. The method includes providing a length of flexible cable from a cable storage device disposed on a vessel to a powered sheave, the cable having a plurality of ... | 01/03/2012 |
| 8075226 | Method and apparatus for deployment of ocean bottom seismometers A deployment and retrieval apparatus for ocean bottom seismic receivers, the apparatus being a remotely operated vehicle (ROV) having a carrier attached thereto and carrying a plurality of receivers. The carrier includes a frame in which is mounted a structure for s... | 12/13/2011 |
| 8050140 | Storage system and method for seismic data acquisition units A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote ocean bottom coupling and prevent fishing net entrapment. Pods are teth... | 11/01/2011 |
| 7990803 | Deployment and retrieval method for shallow water ocean bottom seismometers The deployment method for deploying seismic data acquisition units into shallow water from the deck of a vessel provides for deploying a cable into the water. Seismic data acquisition units are moved from a storage location on the vessel to a position adjacent the c... | 08/02/2011 |
| 7986589 | Apparatus for seismic data acquisition A seismic exploration method and unit comprised of continuous recording, self-contained wireless seismometer units or pods. The self-contained unit may include a tilt meter, a compass and a mechanically gimbaled clock platform. Upon retrieval, seismic data recorded ... | 07/26/2011 |
| 7953556 | Geophone noise attenuation and wavefield separation using a multi-dimensional decomposition technique Methods and apparatus for processing dual sensor (e.g., hydrophone and vertical geophone) data that includes intrinsic removal of noise as well as enhancing the wavefield separation are provided. The methods disclosed herein are based on a decomposition of data simu... | 05/31/2011 |
| 7933165 | Connector for seismic cable A method and apparatus for a seismic cable is described. The apparatus includes a plurality of cable segments comprising at least a first cable segment and a second cable segment coupled by a connector. The connector comprises a cylindrical body having a first diame... | 04/26/2011 |
| 7883292 | Node storage, deployment and retrieval system A method and apparatus for storing, deploying and retrieving a plurality of seismic devices is described. The apparatus includes a ramp device coupled to a portion of a trailing end of a vessel, a cable handling device positioned between the ramp device and a leadin... | 02/08/2011 |
| 7804737 | Marine vessel working deck for handling of shallow water ocean bottom seismometers A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote ocean bottom coupling and prevent fishing net entrapment. Pods are teth... | 09/28/2010 |
| 7765947 | Deck configuration for ocean bottom seismometer launch platforms A configuration for the deck of a marine vessel, wherein parallel and perpendicular travel paths, for movement of individual OBS unit storage baskets, are formed along a deck utilizing, in part, the storage baskets themselves. A portion of the deck is divided into a... | 08/03/2010 |
| 7639564 | 3-D TAU-P interpolation Methods and apparatus for removing noise from signal traces collected during a seismic gather, particularly removing the aliased energy in the time-slowness (tau-P) domain so that aliasing noise does not lead to high noise levels in the inverse transformed data are ... | 12/29/2009 |
| 7630276 | Method for determination of differential transfer function between two closely spaced hydrophones Methods and apparatus for determining an accurate differential transfer function (DTF) between two closely spaced hydrophones in a dual-hydrophone configuration such that the wavefield may be properly separated into up- and down-going components are provided. The me... | 12/08/2009 |
| 7310287 | Method and apparatus for seismic data acquisition A marine seismic exploration method and system comprised of continuous recording, self-contained ocean bottom pods characterized by low profile casings. An external bumper is provided to promote ocean bottom coupling and prevent fishing net entrapment. Pods are teth... | 12/18/2007 |
