Profile: Nan Gall Energy Systems Limited designs edge downhole and surface data acquisition equipment for the oil & gas industry. We offer memory gauges, production logging tools, triggering devices and permenant gauges. Our depth logger is used to monitor the tension on the slickline and identify potential downhole problems. We represent companies such as Baker Atlas, Baker Oil Tools, Expro Group, Halliburton, Maritime Well Services, READ Well Services, Schlumberger and Weatherford.