var p = System.Diagnostics. Process.GetProcessesByName("w3wp").First();

List<System.Diagnostics.ProcessModule> modules = new List<System.Diagnostics.ProcessModule>();

foreach (ProcessModule element in p.Modules)

{

    modules.Add(element);

}

modules.Where(m => m.FileName.ToLower().Contains("oracle.dataaccess.dll")).Select(m => new { FileName = m.FileName, Version = m.FileVersionInfo.ProductVersion }).Dump();