18 JULY 2026 WorldWide Drilling Resource® www.starironworks.com 257 Caroline Street Punxsutawney, PA 15767 800-927-0560 • 814-427-2555 Fax: 814-427-5164 Serving the Water Well Industry Booth 1712 Air Compressors and Groundwater Adapted from Information by Atlas Copco In South Korea, securing reliable groundwater has become a growing priority for communities and industries, especially where demand for domestic and agricultural supply continues to rise. Known for its mountainous terrain and hard rock layers, Yeosu is a geologically challenging environment. Yeosu Jonghap Jihasu, a local water well specialist, faced increased pressure to drill deeper wells more efficiently. To meet these demands, a portable air compressor was needed, enabling rapid drilling beyond 980 feet. Water well depths in Yeosu commonly range from 164 to 492 feet, but growing groundwater demand has pushed contractors to drill deeper, often through some of the hardest rock formations in South Korea. The company previously operated a 362 psi, 900 cubic feet per minute compressor, but lost pressure drilling hard rock which caused slowed progress and extended project timelines. To improve efficiency without raising operating costs, the company turned to a 435 psi portable air compressor designed specifically to maintain stable airflow in deep and demanding applications. The higher pressure made for deeper, faster rock penetration. Drilling sites around Yeosu are often located on slopes, narrow access roads, or agricultural plots, making the compact, lightweight design easier to maneuver where space is limited. With these features, drilling 328 feet now takes 2.5-3 hours, compared to the previous five hours. This efficiency allows the company to complete deep‑well projects within tighter schedules without increasing hourly operating costs. By upgrading the air compressor, Yeosu Jonghap Jihasu strengthened its capability to deliver reliable groundwater development across South Korea’s southern regions. Its high‑pressure output, compact mobility, and intelligent control system enable contractors to work faster and with greater confidence even when drilling through some of the toughest rock formations in the country. Moosun Park, Business Line Manager of Atlas Copco Korea & Japan said, “Contractors depend on equipment that performs reliably in the field. Our goal is to support companies like Yeosu Jonghap Jihasu with solutions that operate efficiently from one project to the next.” Atlas Copco X28 portable air compressor drilling a deep water well in Yeosu, South Korea. WTR
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