geosteering
Geosteering is the real-time adjustment of a wellbore trajectory during drilling to keep the bore within a target geological zone. It combines directional drilling with continuous subsurface measurements and geological interpretation to place wells optimally in three dimensions relative to reservoir features such as pay zones, faults, and stratigraphic boundaries.
The practice relies on measurement-while-drilling (MWD) and logging-while-drilling (LWD) tools that provide gamma ray, resistivity, density,
Geosteering is widely used in directional and horizontal wells, particularly in unconventional shale plays, complex carbonate
Challenges include data noise, measurement latency, tool failures, and interpretation uncertainty in heterogeneous formations. Advances in