Sheet1step1Put Survey in Excel and then save as with prn formatDepthTVDINCLAZIM00000.150.150359.780.30.30.01359.550.460.460.01359.330.610.610.01359.110.760.760.01358.890.910.910.02358.661.071.070.02358.44step2load prn format in petrel as well logs(Ascll) filestep3turn on specify logs to be loaded and insert 3 rows for TVD, INCL & AZIM. MD is already on with number 1.STEP4export as las filestep5put tvd or incl or azim in the above window in front of Log and select all of them in the below window

Sheet2

Sheet3