Bidirectional out-of-line rolling measuring seismic exploration and acquisition method
A technology of seismic exploration and acquisition method, which is applied to improve the deep excitation energy of seismic data in urban areas or obstacle areas, and in the field of seismic exploration and acquisition in urban areas or obstacle areas. Uneven distribution of points, etc., to avoid repeated construction, improve construction efficiency, and ensure the quality of data
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[0031] Embodiment: Take the two-way non-longitudinal rolling observation seismic exploration acquisition method as an example in the Xingang Phase II seismic exploration of Dagang Oilfield to further describe the present invention in detail.
[0032] 1. Main acquisition technical parameters
[0033] Observation system: 8 lines, 4 guns, 176 channels (8L4S176R)
[0034] Longitudinal observation system: 4375-25-50-25-4375m
[0035] Number of receiving lines: 8 Number of single-line receiving channels: 176
[0036] Line spacing: 200m Track spacing: 50m
[0037] Shot line distance: 200m Shot point distance: 50m
[0038] Covering times: 4 times horizontally × 22 times vertically
[0039] Panel size: 25×25m
[0040] Harness direction: 333°
[0041] Excitation method: vibrator, well shot
[0042] 2. The technical problems solved by the present invention
[0043] Xingang Phase II seismic exploration is mainly based on Tanggu City, mainly using a 23-ton vibroseis source for exci...
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