diff --git a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
index d1c47800..ba5ffba5 100644
--- a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
+++ b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
@@ -109,71 +109,64 @@ public class WellOperationRepository : CrudRepositoryBase<WellOperationBaseDto,
 
     public async Task<IEnumerable<SectionByOperationsDto>> GetSectionsAsync(IEnumerable<int> idsWells, CancellationToken token)
     {
-        var keyCacheSections = $"OperationsBySectionSummaries_{string.Join('_', idsWells.OrderBy(x => x))}";
+        const string keyCacheTemplate = "OperationsBySectionSummaries_{0}";
 
-        var cache = await memoryCache.GetOrCreateAsync(keyCacheSections, async (entry) =>
+        var result = new List<SectionByOperationsDto>();
+
+        foreach (var idWell in idsWells)
         {
-            entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(30);
+            var sections = await memoryCache.GetOrCreateAsync(string.Format(keyCacheTemplate, idWell), async (entry) =>
+            {
+                entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromMinutes(30);
 
-            var query = dbContext.Set<WellOperation>()
-                .GroupBy(operation => new
-                {
-                    operation.IdWell,
-                    operation.IdType,
-                    operation.IdWellSectionType,
-                    operation.WellSectionType.Caption,
-                })
-                .Select(group => new
-                {
-                    group.Key.IdWell,
-                    group.Key.IdType,
-                    group.Key.IdWellSectionType,
-                    group.Key.Caption,
+                var query = dbContext.Set<WellOperation>()
+                    .Where(x => x.IdWell == idWell)
+                    .GroupBy(operation => new
+                    {
+                        operation.IdType, operation.IdWellSectionType, operation.WellSectionType.Caption,
+                    })
+                    .Select(group => new
+                    {
+                        group.Key.IdType,
+                        group.Key.IdWellSectionType,
+                        group.Key.Caption,
+                        First = group
+                            .OrderBy(operation => operation.DateStart)
+                            .Select(operation => new { operation.DateStart, operation.DepthStart, })
+                            .First(),
+                        Last = group
+                            .OrderByDescending(operation => operation.DateStart)
+                            .Select(operation => new
+                            {
+                                operation.DateStart, operation.DurationHours, operation.DepthEnd,
+                            })
+                            .First(),
+                    });
 
-                    First = group
-                        .OrderBy(operation => operation.DateStart)
-                        .Select(operation => new
-                        {
-                            operation.DateStart,
-                            operation.DepthStart,
-                        })
-                        .First(),
+                var dbData = await query.ToArrayAsync(token);
 
-                    Last = group
-                        .OrderByDescending(operation => operation.DateStart)
-                        .Select(operation => new
-                        {
-                            operation.DateStart,
-                            operation.DurationHours,
-                            operation.DepthEnd,
-                        })
-                        .First(),
-                })
-                .Where(s => idsWells.Contains(s.IdWell));
-            var dbData = await query.ToArrayAsync(token);
-            var sections = dbData.Select(
+                var sections = dbData.Select(
                     item => new SectionByOperationsDto
                     {
-                        IdWell = item.IdWell,
+                        IdWell = idWell,
                         IdType = item.IdType,
                         IdWellSectionType = item.IdWellSectionType,
-
                         Caption = item.Caption,
-
                         DateStart = item.First.DateStart,
                         DepthStart = item.First.DepthStart,
-
                         DateEnd = item.Last.DateStart.AddHours(item.Last.DurationHours),
                         DepthEnd = item.Last.DepthEnd,
-                    })
-                .ToArray()
-                .AsEnumerable();
+                    });
 
-            entry.Value = sections;
-            return sections;
-        });
 
-        return cache!;
+                entry.Value = sections;
+                return sections;
+            });
+
+            result.AddRange(sections!);
+        }
+
+        return result;
     }
 
     public async Task<DatesRangeDto?> GetDatesRangeAsync(int idWell, int idType, CancellationToken cancellationToken)