Readme.txt Oil and Gas Resources of the West Siberian Basin, Russia - Data Diskette The file on this disk named WS_DATA.EXE is a self-expanding, compressed file. Copy WS_DATA.EXE to your hard drive and execute the file. It expands into WS_DATA.XLS, an EXCEL spreadsheet file. The Workbook contains a Sheet for each Region of the West Siberian Basin with the data that were used to estimate the ultimate recovery for each reservoir that was reported as productive in the oil and gas fields. The Worksheets for each Regions are: NP = Nadym-Pur PT = Pur-Taz YA = Yamal GY = Gydan FR = Frolov UR = Near Urals VA = Vasyugan KA = Kaymysov PA = Paydugin OB = Middle Ob UNK = Unknown location