diff --git a/AsbCloudWebApi.Tests/ReflectionExtensions.cs b/AsbCloudWebApi.Tests/ReflectionExtensions.cs
new file mode 100644
index 00000000..e08a8e38
--- /dev/null
+++ b/AsbCloudWebApi.Tests/ReflectionExtensions.cs
@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AsbCloudWebApi.Tests
+{
+    public static class ReflectionExtensions
+    {
+        private static readonly Dictionary<Type, object> _commonTypeDictionary = new()
+        {
+            { typeof(int), default(int) },
+            { typeof(Guid), default(Guid) },
+            { typeof(DateOnly), default(DateOnly) },
+            { typeof(DateTime), default(DateTime) },
+            { typeof(DateTimeOffset), default(DateTimeOffset) },
+            { typeof(TimeOnly), default(TimeOnly) },
+            { typeof(long), default(long) },
+            { typeof(bool), default(bool) },
+            { typeof(double), default(double) },
+            { typeof(short), default(short) },
+            { typeof(float), default(float) },
+            { typeof(byte), default(byte) },
+            { typeof(char), default(char) },
+            { typeof(uint), default(uint) },
+            { typeof(ushort), default(ushort) },
+            { typeof(ulong), default(ulong) },
+            { typeof(sbyte), default(sbyte) }
+        };
+
+        public static object? GetDefaultValue(this Type type)
+        {
+            if (!type.IsValueType)
+            {
+                return null;
+            }
+
+            return _commonTypeDictionary.TryGetValue(type, out var value)
+                ? value
+                : Activator.CreateInstance(type);
+        }
+
+        public static bool IsDefaultValue(this Type type, object? value)
+            => (value?.Equals(type.GetDefaultValue()) != false);
+    }
+}
diff --git a/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs b/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs
index cdfd6cd8..dc000166 100644
--- a/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs
+++ b/AsbCloudWebApi.Tests/UnitTests/Services/WellOperationExport/WellOperationExportServiceTest.cs
@@ -8,11 +8,16 @@ using AsbCloudDb.Model;
 using AsbCloudInfrastructure.Services.WellOperationImport;
 using AsbCloudInfrastructure.Services.WellOperationImport.FileParser;
 using NSubstitute;
+using SignalRSwaggerGen.Enums;
 using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using Xunit;
+using Xunit.Abstractions;
 
 namespace AsbCloudWebApi.Tests.UnitTests.Services.WellOperationExport
 {
@@ -27,31 +32,36 @@ namespace AsbCloudWebApi.Tests.UnitTests.Services.WellOperationExport
         private WellOperationImportService wellOperationImportService;
         private IWellOperationExcelParser<WellOperationImportDefaultOptionsDto> wellOperationDefaultExcelParser;
 
-
         private readonly WellOperationDto[] operations = new WellOperationDto[2] {
                 new WellOperationDto() {
+                    Id = 5,
                     IdWell = idWell,
                     IdUser = 1,
                     IdType = 0,
                     IdWellSectionType = 1,
+                    WellSectionTypeName = "1",
                     IdCategory = 1,
-                    CategoryInfo = "1",
+                    CategoryName = "1",
+                    CategoryInfo = "CategoryInfo 1",
                     DepthStart = 10,
                     DepthEnd = 20,
-                    DateStart = getDate(days: 0),
+                    DateStart = GetDate(days: 0),
                     DurationHours = 10,
                     Comment = "Комментарий 1",
                 },
                new WellOperationDto() {
+                   Id = 6,
                     IdWell = idWell,
                     IdUser = 1,
                     IdType = 0,
                     IdWellSectionType = 2,
+                    WellSectionTypeName = "2",
                     IdCategory = 2,
-                    CategoryInfo = "2",
+                    CategoryName = "2",
+                    CategoryInfo = "CategoryInfo 2",
                     DepthStart = 20,
                     DepthEnd = 30,
-                    DateStart = getDate(days: 1),
+                    DateStart = GetDate(days: 1),
                     DurationHours = 20,
                     Comment = "Комментарий 2",
                 }
@@ -92,14 +102,15 @@ namespace AsbCloudWebApi.Tests.UnitTests.Services.WellOperationExport
                Name = "2"
             }
         };
+        private readonly ITestOutputHelper output;
 
-        private static DateTime getDate(int days)
+        private static DateTime GetDate(int days)
         {
             var date = DateTime.Now.AddDays(days);
             return new DateTime(date.Year, date.Month, date.Day, date.Hour, date.Minute, date.Second);
         }
 
-        public WellOperationExportServiceTest()
+        public WellOperationExportServiceTest(ITestOutputHelper output)
         {
             wellService = Substitute.For<IWellService>();
             wellOperationRepository = Substitute.For<IWellOperationRepository>();
@@ -108,6 +119,7 @@ namespace AsbCloudWebApi.Tests.UnitTests.Services.WellOperationExport
 
             wellOperationImportService = new WellOperationImportService(wellOperationRepository);
             wellOperationDefaultExcelParser = new WellOperationDefaultExcelParser();
+            this.output = output;
         }
 
         [Fact]
@@ -136,6 +148,53 @@ namespace AsbCloudWebApi.Tests.UnitTests.Services.WellOperationExport
 
             Assert.Equal(expected, actual);
         }
-    }
 
+        [Fact]
+        public void TestDataContainsNotDefaultProps()
+        {
+            var initOk = true;
+            for (int i = 0; i < operations.Length; i++)
+            {
+                var operation = operations[i];
+                var propsWithDefault = GetPropsWithDefaultValue(operation,
+                    nameof(WellOperationDto.Id),
+                    nameof(WellOperationDto.IdType),
+                    nameof(WellOperationDto.IdPlan),
+                    nameof(WellOperationDto.IdParentCategory),
+                    nameof(WellOperationDto.Day),
+                    nameof(WellOperationDto.NptHours),
+                    nameof(WellOperationDto.UserName),
+                    nameof(WellOperationDto.LastUpdateDate)
+                    )
+                    .ToArray();
+
+                if (propsWithDefault.Any())
+                {
+                    initOk = false;
+                    foreach (var propertyName in propsWithDefault)
+                        output.WriteLine($"{nameof(operations)}[{i}].{propertyName} is default");
+                }
+            }
+
+            Assert.True(initOk);
+        }
+
+        private static IEnumerable<string> GetPropsWithDefaultValue<T>(T dto, params string[] excludeProps)
+        {
+            IEnumerable<PropertyInfo> props = typeof(T).GetProperties(
+                BindingFlags.Public 
+                | BindingFlags.Instance);
+
+            props = props
+                .Where(prop=>prop.CanWrite)
+                .Where(prop => !excludeProps.Contains(prop.Name));
+
+            foreach (var prop in props)
+            {
+                var value = prop.GetValue(dto);
+                if (prop.PropertyType.IsDefaultValue(value))
+                    yield return prop.Name;
+            }
+        }
+    }
 }