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公开(公告)号：US20210223429A1
公开(公告)日：2021-07-22
申请号：US17157835
申请日：2021-01-25
Applicant: REFLECTION MARINE NORGE AS
IPC: G01V1/38
Abstract: Marine seismic surveys, including ocean bottom surveys, utilizing marine vibrator arrays that are capable of being driven in anti-phase to produce a directional source gradient. Marine seismic surveys may include activating the vibrator array to emit a plurality of radiation patterns with at least a first radiation pattern that has a first notch at a take-off angle that is not close to vertical. Some marine seismic surveys included emitting directive wavefields from two or more simultaneous seismic source arrays, where the two or more seismic source arrays have a phase that changes from shot-to-shot to allow simultaneous source separation of the directive wavefields.
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公开(公告)号：US11774618B2
公开(公告)日：2023-10-03
申请号：US17157835
申请日：2021-01-25
Applicant: REFLECTION MARINE NORGE AS
IPC: G01V1/38
CPC classification number: G01V1/3861 , G01V1/3808 , G01V2210/127
Abstract: Marine seismic surveys, including ocean bottom surveys, utilizing marine vibrator arrays that are capable of being driven in anti-phase to produce a directional source gradient. Marine seismic surveys may include activating the vibrator array to emit a plurality of radiation patterns with at least a first radiation pattern that has a first notch at a take-off angle that is not dose to vertical. Some marine seismic surveys included emitting directive wavefields from two or more simultaneous seismic source arrays, where the two or more seismic source arrays have a phase that changes from shot-to-shot to allow simultaneous source separation of the directive wavefields.
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公开(公告)号：US20230408719A1
公开(公告)日：2023-12-21
申请号：US18240547
申请日：2023-08-31
Applicant: Reflection Marine Norge AS
IPC: G01V1/38
CPC classification number: G01V1/3861 , G01V1/3808 , G01V2210/127
Abstract: Marine seismic surveys, including ocean bottom surveys, utilizing marine vibrator arrays that are capable of being driven in anti-phase to produce a directional source gradient. Marine seismic surveys may include activating the vibrator array to emit a plurality of radiation patterns with at least a first radiation pattern that has a first notch at a take-off angle that is not close to vertical. Some marine seismic surveys included emitting directive wavefields from two or more simultaneous seismic source arrays, where the two or more seismic source arrays have a phase that changes from shot-to-shot to allow simultaneous source separation of the directive wavefields.
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公开(公告)号：US10928535B2
公开(公告)日：2021-02-23
申请号：US15571029
申请日：2016-05-02
Applicant: Reflection Marine Norge AS
IPC: G01V1/38
Abstract: Marine seismic surveys, including ocean bottom surveys, utilizing marine vibrator arrays that are capable of being driven in anti-phase to produce a directional source gradient. Marine seismic surveys may include activating the vibrator array to emit a plurality of radiation patterns with at least a first radiation pattern that has a first notch at a take-off angle that is not close to vertical. Some marine seismic surveys includes emitting directive wavefields from two or more simultaneous seismic source arrays, where the two or more seismic source arrays have a phase that changes from shot-to-shot to allow simultaneous source separation of the directive wavefields.
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