在海洋地震勘探中用于拖拉式流船定位的螺纹曲线配套模型
Haonan Zhang1,2,3, Kaiwei Sang1, Baocai Yang1,2
1School of Geosciences and Info-Physics, Central South University, Changsha 410083, China.
Sensors (Basel, Switzerland)
|August 28, 2025
概括
一个新的spline曲线模型显著提高了海上地震勘探中的拖动流船定位精度. 这种提高的精度对于可靠的地震成像至关重要,
科学领域:
- 地质学
- 海洋地震勘探
- 数据采集
背景情况:
- 精确的流体定位对于海洋地震勘探的质量至关重要.
- 目前的多项式模型显示在流转过程中的不准确性.
- 可靠的地震成像取决于精确的流体形状和位置数据.
研究的目的:
- 开发一个更准确的定位模型.
- 在复杂场景中解决多项式曲线模型的局限性.
- 提高地震数据分析和解释的可靠性.
主要方法:
- 为流体形状构建一个曲线模型.
- 采用细分装配方法,并设置光滑度的限制.
- 导出参数和坐标的错误方程和计算过程.
主要成果:
- 线曲线模型显示了显著的定位准确性改善.
- 模拟显示使用6个流线器的精度增加了47.1%.
- 现场测试分别为6个和10个流体带来了20.0%和35.0%的精度增长.
结论:
- 与多项式模型相比,spline曲线模型有效地减少了建模错误.
- 这种模型在地震作业的高曲率条件下特别有利.
- 建议的方法提高了海洋地震成像的整体质量和可靠性.
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