Logging While Drilling (LWD) is a technique used in the oil and gas industry to gather geological data during the drilling process. This method involves using specialized tools that are integrated into the drill string, allowing for real-time measurements of rock properties, fluid characteristics, and other important information. The data collected through LWD helps geologists and engineers make informed decisions about drilling operations, such as adjusting the drilling path or identifying potential hydrocarbon zones. By obtaining this information on-the-fly, companies can enhance efficiency and reduce costs associated with exploration and production.