| Feature | ArcVision* | EcoScope* | | | :--- | :--- | :--- | :--- | | Primary Use | Basic geosteering | Formation evaluation | Ultra-deep, high-res imaging | | Depth of Detection | ~5-7 ft | ~4-6 ft | ~18 ft | | Vertical Resolution | ~10-12 inches | ~6 inches | ~0.5 inches | | Anisotropy | Basic (Rh/Rv) | Advanced | Full 3D Tensor | | Look-Ahead | No | Limited | Yes (3-5 ft ahead of bit) |
Comparing NGI images with LithoScanner elemental yields for precise mineralogical identification. schlumberger ngi tool