diff --git a/AsbCloudApp/Repositories/IWellOperationRepository.cs b/AsbCloudApp/Repositories/IWellOperationRepository.cs
index 0409969e..d37a1e90 100644
--- a/AsbCloudApp/Repositories/IWellOperationRepository.cs
+++ b/AsbCloudApp/Repositories/IWellOperationRepository.cs
@@ -54,7 +54,7 @@ namespace AsbCloudApp.Repositories
         /// <summary>
         /// Обновить существующую операцию
         /// </summary>
-        /// <param name="dto"></param>
+        /// <param name="dtos"></param>
         /// <param name="token"></param>
         /// <returns></returns>
         Task<int> UpdateRangeAsync(IEnumerable<WellOperationDto> dtos, CancellationToken token);
diff --git a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
index bdbd1f0c..9bcc718b 100644
--- a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
+++ b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
@@ -72,15 +72,15 @@ public class WellOperationRepository : CrudRepositoryBase<WellOperationDto, Well
 
     public async Task<IEnumerable<WellGroupOpertionDto>> GetGroupOperationsStatAsync(WellOperationRequest request, CancellationToken token)
     {
-        var query = BuildQuery(request, token);
-        var entities = (await query)
+        var query = BuildQuery(request);
+        var entities = await query
             .Select(o => new
             {
                 o.IdCategory,
                 DurationMinutes = o.DurationHours * 60,
                 DurationDepth = o.DepthEnd - o.DepthStart
             })
-            .ToArray();
+            .ToArrayAsync(token);
 
         var parentRelationDictionary = wellOperationCategoryRepository.Get(true)
             .ToDictionary(c => c.Id, c => new
@@ -220,38 +220,39 @@ public class WellOperationRepository : CrudRepositoryBase<WellOperationDto, Well
         return (result, count);
     }
 
-    private T FilterByRequest<T>(T entities, WellOperationRequest request)
-        where T : IQueryable<WellOperation>, IEnumerable<WellOperation>
+    private static IQueryable<WellOperation> FilterByRequest(IQueryable<WellOperation> entities, WellOperationRequest request)
     {
         if (request.OperationType.HasValue)
-            entities = (T)entities.Where(e => e.IdType == request.OperationType.Value);
+            entities = entities.Where(e => e.IdType == request.OperationType.Value);
         if (request.SectionTypeIds?.Any() is true)
-            entities = (T)entities.Where(e => request.SectionTypeIds.Contains(e.IdWellSectionType));
+            entities = entities.Where(e => request.SectionTypeIds.Contains(e.IdWellSectionType));
         if (request.OperationCategoryIds?.Any() is true)
-            entities = (T)entities.Where(e => request.OperationCategoryIds.Contains(e.IdCategory));
+            entities = entities.Where(e => request.OperationCategoryIds.Contains(e.IdCategory));
         if (request.GeDepth.HasValue)
-            entities = (T)entities.Where(e => e.DepthEnd >= request.GeDepth.Value);
+            entities = entities.Where(e => e.DepthEnd >= request.GeDepth.Value);
         if (request.LeDepth.HasValue)
-            entities = (T)entities.Where(e => e.DepthEnd <= request.LeDepth.Value);
+            entities = entities.Where(e => e.DepthEnd <= request.LeDepth.Value);
 
         if (request.GeDate.HasValue)
         {
             var geDateUtc = request.GeDate.Value.UtcDateTime;
-            entities = (T)entities.Where(e => e.DateStart >= geDateUtc);
+            entities = entities.Where(e => e.DateStart >= geDateUtc);
         }
 
         if (request.LeDate.HasValue)
         {
             var leDateUtc = request.LeDate.Value.UtcDateTime;
-            entities = (T)entities.Where(e => e.DateStart <= leDateUtc);
+            entities = entities.Where(e => e.DateStart <= leDateUtc);
         }
         if (request.SortFields?.Any() is true)
-            entities = (T)entities.AsQueryable().SortBy(request.SortFields);
+            entities = entities.AsQueryable().SortBy(request.SortFields);
+        else
+            entities = entities.AsQueryable().OrderBy(e => e.DateStart);
 
         return entities;
     }
 
-    private async Task<IQueryable<WellOperation>> BuildQuery(WellOperationRequest request, CancellationToken token)
+    private IQueryable<WellOperation> BuildQuery(WellOperationRequest request)
     {
         var query = GetQuery()
             .Where(e => request.IdsWell.Contains(e.IdWell))
@@ -328,7 +329,7 @@ public class WellOperationRepository : CrudRepositoryBase<WellOperationDto, Well
             return sections;
         });
 
-        return cache;
+        return cache!;
     }
 
     public async Task<DatesRangeDto?> GetDatesRangeAsync(int idWell, int idType, CancellationToken cancellationToken)
diff --git a/AsbCloudWebApi.IntegrationTests/Controllers/WellOperations/WellOperationControllerTest.cs b/AsbCloudWebApi.IntegrationTests/Controllers/WellOperations/WellOperationControllerTest.cs
index 006379d2..13ed2fbc 100644
--- a/AsbCloudWebApi.IntegrationTests/Controllers/WellOperations/WellOperationControllerTest.cs
+++ b/AsbCloudWebApi.IntegrationTests/Controllers/WellOperations/WellOperationControllerTest.cs
@@ -202,12 +202,12 @@ public class WellOperationControllerTest : BaseIntegrationTest
 
         var entity2 = entity1.Adapt<WellOperation>();
 		entity2.DateStart = entity2.DateStart.AddDays(1);
-		entity2.IdCategory = WellOperationCategory.IdNonProductiveTime;
+		entity2.IdCategory = WellOperationCategory.IdEquipmentDrillingRepair;
 		entity2.DurationHours = 2;
 
         var entity3 = entity2.Adapt<WellOperation>();
         entity3.DateStart = entity3.DateStart.AddDays(1);
-        entity3.IdCategory = WellOperationCategory.IdNonProductiveTime;
+        entity3.IdCategory = WellOperationCategory.IdEquipmentDrillingRepair;
         entity3.DurationHours = 3;
 
         dbContext.WellOperations.Add(entity1);
@@ -216,19 +216,19 @@ public class WellOperationControllerTest : BaseIntegrationTest
 
         await dbContext.SaveChangesAsync();
 
-
 		var request = new WellOperationRequestBase
 		{
 			OperationType = WellOperation.IdOperationTypePlan,
 			Skip = pageIndex,
 			Take = pageSize,
-		};
+            SortFields = [nameof(WellOperation.DateStart)]
+        };
 
 		//act
 		var response = await client.GetPageOperationsAsync(well.Id, request);
 
         //assert
-        Assert.Equal(response.StatusCode, HttpStatusCode.OK);
+        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
         Assert.NotNull(response.Content);
 
 		var items = response.Content.Items.ToArray();