1220 E. Manse Pahrump, NV 89048 (775) 727.4462 office@greatbasindrilling.com 💦Service calls are welcome during daylight hours. Our Service Technicians work 7 days a week, at no additional charge; because we know well problems don't just happen during business hours. 💦 Office hours are 8:00am-4:00pm Mon-Thu, 8:00am-Noon Fri. Quotes, billing, intent to drill, and all other services are available during office hours.