Dahl Oilfield Services is a Norwegian companyestablished in 2007• Headquarter in Stavanger with continental office in Vienna• Our quality system is according to NS-EM ISO 9001: 2008• Core business: Drill Collars, HWDP, Drill Pipe, X-over’s, pup joints etc.• Tailor made containers/baskets for tanks, sand screens, drilling subs etc.• Test units for inside BOP and Kelly valves