diff --git a/AsbCloudApp/Data/MinMaxDto.cs b/AsbCloudApp/Data/MinMaxDto.cs
index f3c076d4..ac2a2aa1 100644
--- a/AsbCloudApp/Data/MinMaxDto.cs
+++ b/AsbCloudApp/Data/MinMaxDto.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AsbCloudApp.Data
+namespace AsbCloudApp.Data
 {
     /// <summary>
     /// Минимальное и максимальное значение
diff --git a/AsbCloudApp/Data/MinMaxExtendedViewDto.cs b/AsbCloudApp/Data/MinMaxExtendedViewDto.cs
index 4b4df0fc..9b1b07b5 100644
--- a/AsbCloudApp/Data/MinMaxExtendedViewDto.cs
+++ b/AsbCloudApp/Data/MinMaxExtendedViewDto.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AsbCloudApp.Data
+namespace AsbCloudApp.Data
 {
     /// <summary>
     /// Расширение для класса MinMaxDto
diff --git a/AsbCloudApp/Data/PlanFactDto.cs b/AsbCloudApp/Data/PlanFactDto.cs
index ce6a8d61..670ecbcb 100644
--- a/AsbCloudApp/Data/PlanFactDto.cs
+++ b/AsbCloudApp/Data/PlanFactDto.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace AsbCloudApp.Data
+namespace AsbCloudApp.Data
 {
     /// <summary>
     /// Плановое и фактическое значения
diff --git a/AsbCloudApp/Data/TrajectoryVisualizationDto.cs b/AsbCloudApp/Data/TrajectoryVisualizationDto.cs
index 1deb4fbd..8e47ccd5 100644
--- a/AsbCloudApp/Data/TrajectoryVisualizationDto.cs
+++ b/AsbCloudApp/Data/TrajectoryVisualizationDto.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Визуализация траектории 3D
     /// </summary>
diff --git a/AsbCloudApp/Data/UserDto.cs b/AsbCloudApp/Data/UserDto.cs
index 455e6110..e988f7e4 100644
--- a/AsbCloudApp/Data/UserDto.cs
+++ b/AsbCloudApp/Data/UserDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO пользователя платформы
     /// </summary>
diff --git a/AsbCloudApp/Data/UserExtendedDto.cs b/AsbCloudApp/Data/UserExtendedDto.cs
index 80361a45..8585532c 100644
--- a/AsbCloudApp/Data/UserExtendedDto.cs
+++ b/AsbCloudApp/Data/UserExtendedDto.cs
@@ -3,7 +3,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <inheritdoc/>
     public class UserExtendedDto : UserDto
     {
diff --git a/AsbCloudApp/Data/UserRegistrationDto.cs b/AsbCloudApp/Data/UserRegistrationDto.cs
index cf68b147..b919f9cf 100644
--- a/AsbCloudApp/Data/UserRegistrationDto.cs
+++ b/AsbCloudApp/Data/UserRegistrationDto.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <inheritdoc/>
     public class UserRegistrationDto : UserDto
     {
diff --git a/AsbCloudApp/Data/UserRoleDto.cs b/AsbCloudApp/Data/UserRoleDto.cs
index 3d0816bf..069db593 100644
--- a/AsbCloudApp/Data/UserRoleDto.cs
+++ b/AsbCloudApp/Data/UserRoleDto.cs
@@ -4,7 +4,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Роль пользователя платформы
     /// </summary>
diff --git a/AsbCloudApp/Data/UserTokenDto.cs b/AsbCloudApp/Data/UserTokenDto.cs
index d63436a1..06016008 100644
--- a/AsbCloudApp/Data/UserTokenDto.cs
+++ b/AsbCloudApp/Data/UserTokenDto.cs
@@ -3,7 +3,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <inheritdoc/>
     public class UserTokenDto : UserExtendedDto
     {
diff --git a/AsbCloudApp/Data/WITS/RecordBaseDto.cs b/AsbCloudApp/Data/WITS/RecordBaseDto.cs
index e5daede1..03d77f47 100644
--- a/AsbCloudApp/Data/WITS/RecordBaseDto.cs
+++ b/AsbCloudApp/Data/WITS/RecordBaseDto.cs
@@ -34,7 +34,7 @@ namespace AsbCloudApp.Data.WITS
         /// ValueType = "A"
         /// </summary>
 
-        public string Wellid { get; set; }
+        public string Wellid { get; set; } = string.Empty;
 
         /// <summary>
         /// RecordId = 1,
diff --git a/AsbCloudApp/Data/WellCaseDto.cs b/AsbCloudApp/Data/WellCaseDto.cs
index a572c2f2..046cd0d5 100644
--- a/AsbCloudApp/Data/WellCaseDto.cs
+++ b/AsbCloudApp/Data/WellCaseDto.cs
@@ -1,12 +1,8 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Дела скважины
     /// </summary>
diff --git a/AsbCloudApp/Data/WellDto.cs b/AsbCloudApp/Data/WellDto.cs
index 95fb2e82..b5b1ac64 100644
--- a/AsbCloudApp/Data/WellDto.cs
+++ b/AsbCloudApp/Data/WellDto.cs
@@ -5,7 +5,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Скважина
     /// </summary>
diff --git a/AsbCloudApp/Data/WellFinalDocumentDBDto.cs b/AsbCloudApp/Data/WellFinalDocumentDBDto.cs
index 778aa69d..db229147 100644
--- a/AsbCloudApp/Data/WellFinalDocumentDBDto.cs
+++ b/AsbCloudApp/Data/WellFinalDocumentDBDto.cs
@@ -1,6 +1,5 @@
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO Дело скважины
     /// </summary>
@@ -21,5 +20,4 @@
         /// </summary>
         public int IdCategory { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/WellFinalDocumentDto.cs b/AsbCloudApp/Data/WellFinalDocumentDto.cs
index 6c9df1f5..6fd72407 100644
--- a/AsbCloudApp/Data/WellFinalDocumentDto.cs
+++ b/AsbCloudApp/Data/WellFinalDocumentDto.cs
@@ -3,7 +3,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO Документ дела скважины
     /// </summary>
@@ -39,5 +38,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public FileInfoDto? File { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/WellFinalDocumentInputDto.cs b/AsbCloudApp/Data/WellFinalDocumentInputDto.cs
index 967d2540..80052e5c 100644
--- a/AsbCloudApp/Data/WellFinalDocumentInputDto.cs
+++ b/AsbCloudApp/Data/WellFinalDocumentInputDto.cs
@@ -3,7 +3,6 @@ using System.Linq;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO Для сохранения категорий дела скважины
     /// </summary>
@@ -19,5 +18,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public IEnumerable<int> IdsPublishers { get; set; } = Enumerable.Empty<int>();
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/WellFinalDocumentsHistoryDto.cs b/AsbCloudApp/Data/WellFinalDocumentsHistoryDto.cs
index f7887b25..789dc9c0 100644
--- a/AsbCloudApp/Data/WellFinalDocumentsHistoryDto.cs
+++ b/AsbCloudApp/Data/WellFinalDocumentsHistoryDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO Дело скважины, история файлов
     /// </summary>
@@ -23,5 +22,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public IEnumerable<FileInfoDto> Files { get; set; } = null!;
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/WellGroupOpertionDto.cs b/AsbCloudApp/Data/WellGroupOpertionDto.cs
index 9100a21b..582d03ec 100644
--- a/AsbCloudApp/Data/WellGroupOpertionDto.cs
+++ b/AsbCloudApp/Data/WellGroupOpertionDto.cs
@@ -2,7 +2,6 @@
 using System.Text.Json.Serialization;
 
 namespace AsbCloudApp.Data;
-#nullable enable
 /// <summary>
 /// Модель группированных операций по скважине
 /// </summary>
diff --git a/AsbCloudApp/Data/WellInfoDto.cs b/AsbCloudApp/Data/WellInfoDto.cs
index ff245604..bb1128b2 100644
--- a/AsbCloudApp/Data/WellInfoDto.cs
+++ b/AsbCloudApp/Data/WellInfoDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// базовая информация о скважине
     /// </summary>
diff --git a/AsbCloudApp/Data/WellMapInfoDto.cs b/AsbCloudApp/Data/WellMapInfoDto.cs
index 392d1877..aead2677 100644
--- a/AsbCloudApp/Data/WellMapInfoDto.cs
+++ b/AsbCloudApp/Data/WellMapInfoDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Инфо о скважине для отображения на карте
     /// </summary>
@@ -50,5 +49,4 @@ namespace AsbCloudApp.Data
         /// </summary>
         public double SpinUsage { get; set; }
     }
-#nullable disable
 }
diff --git a/AsbCloudApp/Data/WellOperationCategoryDto.cs b/AsbCloudApp/Data/WellOperationCategoryDto.cs
index fe8212bc..37a5178b 100644
--- a/AsbCloudApp/Data/WellOperationCategoryDto.cs
+++ b/AsbCloudApp/Data/WellOperationCategoryDto.cs
@@ -2,7 +2,6 @@
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// DTO категория операции
     /// </summary>
diff --git a/AsbCloudApp/Data/WellOperationDto.cs b/AsbCloudApp/Data/WellOperationDto.cs
index 4bed0b54..de3ee4de 100644
--- a/AsbCloudApp/Data/WellOperationDto.cs
+++ b/AsbCloudApp/Data/WellOperationDto.cs
@@ -3,7 +3,6 @@ using System.ComponentModel.DataAnnotations;
 
 namespace AsbCloudApp.Data
 {
-#nullable enable
     /// <summary>
     /// Операции на скважине (заведенные пользователем)
     /// </summary>
@@ -94,5 +93,4 @@ namespace AsbCloudApp.Data
         [StringLength(8192)]
         public string? Comment { get; set; }
     }
-#nullable disable
 }