QLM Gains $14.5M in Financing, Launches Collaboration with Schlumberger . CARDIFF, Wales, Aug. 5, 2022 — Lidar imaging company QLM Technology closed a ?12 million ($14.5 million) series A financing round and signed a collaboration agreement with Schlumberger, an oilfield services company. QLM’s lidar camera is able to monitor, detect, locate, and quantify greenhouse gas emissions. A related version of the product enables remote quantification. The technology is inheren...