USED | NATIONAL OILWELL VARCO 10005886-001 ELMAGCO DRILLERS'S CONTROL The NATIONAL OILWELL VARCO 10005886-001 ELMAGCO DRILLERS'S CONTROL is a high-quality industrial automation and motion control system designed for drilling operations in the United States. This controller, made by a reputable brand like NATIONAL OILWELL VARCO, ensures precise and efficient control of drilling machinery, making it a valuable asset for businesses in the oil and gas industry. With its reliability and origin in the United States, this product helps maintain a competitive edge in the market by providing top-notch control systems for drilling operations.