In this work, the 3D seismic velocity approach is successfully used in the characterization of the Sisseb-El Alem basin structural framework. It has highlighted the utility of using seismic velocity data in the interpretation of the deep geological basin structure. A high concordance between the geologic and seismic velocity interpretations of seismic data is highlighted. Representation of tomography velocity in 3D model, using Voxler software, allows locating and characterizing buried faults and geologic structures. The interpretation of the seismic data in 2D and 3D shows an asymmetric distribution of the deposits along the different basin structures. It is controlled by faults of submeridian and E-W direction associated with the ascension of Triassic evaporates. The results highlight the presence of four buried structures; the Sisseb, Sbikha, and El Ktifa uplifts and El Alem-Bled Saadia depression. These new seismic images of the Sisseb-El Alem basin have implications for evaluating the potential reserve in the Sisseb-El Alem basin.

在这项工作中，3D 地震速度方法成功地用于表征 Sisseb-El Alem 盆地结构框架。它突出了使用地震速度数据解释深部地质盆地结构的实用性。强调了地震数据的地质和地震速度解释之间的高度一致性。使用 Voxler 软件在 3D 模型中表示断层扫描速度，可以定位和表征埋藏断层和地质结构。对 2D 和 3D 地震数据的解释表明，沿不同盆地结构的沉积物分布不对称。它受与三叠纪上升蒸发有关的亚子午线和东西向断层控制。结果突出显示了四个掩埋结构的存在；Sisseb, Sbikha, El Ktifa 隆起和 El Alem-Bled Saadia 凹陷。Sisseb-El Alem 盆地的这些新地震图像对评估 Sisseb-El Alem 盆地的潜在储量具有重要意义。