- EDFM for Fractures, Vugs and Karst Systems workshop is open for registration，the challenges and opportunities to improve static and dynamic characterization of carbonate reservoirs including non-matrix elements (vugs-karst systems) characterization will be addressed. The workshop will be held on June 11, 2021 at 8:30 AM – 1:30 PM (U.S. CDT | GMT -5) via Zoom & Teams meeting. Click here to register.