diff --git a/AsbCloudApp/Data/WellOperationPlanDto.cs b/AsbCloudApp/Data/WellOperationPlanDto.cs
index c9a12292..7041b493 100644
--- a/AsbCloudApp/Data/WellOperationPlanDto.cs
+++ b/AsbCloudApp/Data/WellOperationPlanDto.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 
 namespace AsbCloudApp.Data
 {
@@ -7,18 +8,18 @@ namespace AsbCloudApp.Data
     /// класс, который хранит список плановых операций для сопоставления 
     /// и даты последней сопоставленной плановой операции
     /// </summary>
-#nullable disable
+#nullable enable
     public class WellOperationPlanDto
     {
         /// <summary>
         /// коллекция плановых операций
         /// </summary>
-        public IEnumerable<WellOperationDto> WellOperationsPlan { get; set; }
+        public IEnumerable<WellOperationDto> WellOperationsPlan { get; set; } = Enumerable.Empty<WellOperationDto>();
 
         /// <summary>
         /// дата последней сопоставленной плановой операции
         /// </summary>
-        public DateTime DateLastAssosiatedPlanOperation { get; set; }
+        public DateTime? DateLastAssosiatedPlanOperation { get; set; }
 
     }
 #nullable disable
diff --git a/AsbCloudApp/Repositories/IWellOperationRepository.cs b/AsbCloudApp/Repositories/IWellOperationRepository.cs
index 6904ae43..03aedb33 100644
--- a/AsbCloudApp/Repositories/IWellOperationRepository.cs
+++ b/AsbCloudApp/Repositories/IWellOperationRepository.cs
@@ -32,7 +32,7 @@ namespace AsbCloudApp.Repositories
         /// <param name="token"></param>
         /// </summary>
         /// <returns></returns>
-        Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTime currentDate, CancellationToken token);
+        Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTime? currentDate, CancellationToken token);
 
         /// <summary>
         /// дата/время первой операции по скважине
diff --git a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
index 3e444a61..2467e470 100644
--- a/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
+++ b/AsbCloudInfrastructure/Repository/WellOperationRepository.cs
@@ -63,56 +63,59 @@ namespace AsbCloudInfrastructure.Repository
             .GetOrCreateBasic<WellSectionType>(db)
             .ToDictionary(s => s.Id, s => s.Caption);
 
-        public async Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTime currentDate, CancellationToken token)
+        public async Task<WellOperationPlanDto> GetOperationsPlanAsync(int idWell, DateTime? currentDate, CancellationToken token)
         {
             var timezone = wellService.GetTimezone(idWell);
-            var currentDateOffset = currentDate.ToUtcDateTimeOffset(timezone.Hours);
-            var timeZoneOffset = TimeSpan.FromHours(timezone.Hours);
+            var request = new WellOperationRequest()
+            {
+                IdWell = idWell
+            };
 
-            var lastFactOperation = await db.WellOperations
-                 .Where(x => x.IdType == WellOperation.IdOperationTypeFact)
-                 .Where(x => x.IdPlan != null)
-                 .Where(x => x.DateStart < currentDateOffset)
-                 .Include(x => x.OperationPlan)
-                 .OrderByDescending(x => x.DateStart)
-                 .FirstOrDefaultAsync(token)
-                 .ConfigureAwait(false);
+            var entities = await BuildQuery(request)
+                .Where(x => x.IdType == WellOperation.IdOperationTypePlan)
+                .AsNoTracking()
+                .ToArrayAsync(token)
+                .ConfigureAwait(false);
 
+            var dateLastAssosiatedPlanOperation = await getDateLastAssosiatedPlanOperation(idWell, currentDate, timezone.Hours, token);
 
-            var query = await db.WellOperations
-                 .Include(x => x.OperationCategory)
-                 .Include(x => x.WellSectionType)
-                 .Where(x => x.IdWell == idWell)
-                 .Where(x => x.IdType == WellOperation.IdOperationTypePlan)
-                 .AsNoTracking()
-                 .ToArrayAsync(token)
-                 .ConfigureAwait(false);
-
-           
             var result = new WellOperationPlanDto()
             {
-                WellOperationsPlan = query
-                    .Select(o => new WellOperationDto()
-                    {
-                        IdWell = o.IdWell,
-                        CategoryName = o.OperationCategory.Name,
-                        IdCategory = o.IdCategory,
-                        IdPlan = o.IdPlan,
-                        DepthStart = o.DepthStart,
-                        DateStart = DateTime.SpecifyKind(o.DateStart.UtcDateTime + timeZoneOffset, DateTimeKind.Unspecified),
-                        Id = o.Id,
-                        IdWellSectionType = o.IdWellSectionType,
-                        WellSectionTypeName = o.WellSectionType?.Caption ?? string.Empty,
-                    }),
-
-                DateLastAssosiatedPlanOperation = lastFactOperation?.OperationPlan.DateStart is not null
-                    ? DateTime.SpecifyKind(lastFactOperation.OperationPlan.DateStart.UtcDateTime + timeZoneOffset, DateTimeKind.Unspecified)
-                    : DateTime.MinValue
+                WellOperationsPlan = entities,
+                DateLastAssosiatedPlanOperation = dateLastAssosiatedPlanOperation
             };
 
             return result;
         }
 
+        private async Task<DateTime?> getDateLastAssosiatedPlanOperation(
+            int idWell, 
+            DateTime? currentDate, 
+            double timeZoneHours, 
+            CancellationToken token)
+        {
+            if (currentDate is not null)
+            {
+                var currentDateOffset = currentDate.Value.ToUtcDateTimeOffset(timeZoneHours);
+                var timeZoneOffset = TimeSpan.FromHours(timeZoneHours);
+
+                var lastFactOperation = await db.WellOperations
+                    .Where(x => x.IdWell == idWell)
+                    .Where(x => x.IdType == WellOperation.IdOperationTypeFact)
+                    .Where(x => x.IdPlan != null)
+                    .Where(x => x.DateStart < currentDateOffset)
+                    .Include(x => x.OperationPlan)
+                    .OrderByDescending(x => x.DateStart)
+                    .FirstOrDefaultAsync(token)
+                    .ConfigureAwait(false);
+
+                if (lastFactOperation is not null)
+                    return DateTime.SpecifyKind(lastFactOperation.OperationPlan.DateStart.UtcDateTime + timeZoneOffset, DateTimeKind.Unspecified);
+
+            }
+            return null;
+        }
+
         /// <inheritdoc/>
         public DateTimeOffset? FirstOperationDate(int idWell)
         {
@@ -373,6 +376,7 @@ namespace AsbCloudInfrastructure.Repository
                          .Where(subOp => subOp.DateStart <= o.DateStart)
                          .Min(subOp => subOp.DateStart))
                          .TotalDays,
+                
             });
 
             if (request.SortFields?.Any() == true)