diff --git a/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs b/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
index a4c3c8b0..357f5612 100644
--- a/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
+++ b/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
@@ -12,6 +12,7 @@ using System.Threading;
 using System.Threading.Tasks;
 using AsbCloudApp.Data.WellOperation;
 using AsbCloudInfrastructure.Services.DetectOperations.Detectors;
+using AsbCloudInfrastructure.Services.SAUB;
 
 namespace AsbCloudInfrastructure.Services.DetectOperations;
 
@@ -155,6 +156,8 @@ public class DetectedOperationService : IDetectedOperationService
 
             var detectableTelemetries = (await telemetryDataSaubService.GetByTelemetryAsync(idTelemetry, request, token))
                 .Where(t => t.BlockPosition >= 0)
+                .Select(t => t as TelemetryNewDataSaubDto)
+                .Where (t => t is not null)
                 .Select(t => new DetectableTelemetry
                 {
                     DateTime = t.DateTime,
@@ -192,7 +195,9 @@ public class DetectedOperationService : IDetectedOperationService
                 positionBegin += 1;
             }
 
-            beginDate = isDetected ? lastDetectedOperation!.DateEnd : detectableTelemetries[positionEnd].DateTime;
+            beginDate = isDetected 
+                ? lastDetectedOperation!.DateEnd
+                : detectableTelemetries[positionEnd].DateTime;
         }
 
         return detectedOperations;
diff --git a/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs b/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs
index c15c00aa..152039a4 100644
--- a/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs
+++ b/AsbCloudInfrastructure/Services/ProcessMaps/Report/ProcessMapReportDrillingService.cs
@@ -64,6 +64,11 @@ public class ProcessMapReportDrillingService : IProcessMapReportDrillingService
         };
         var wellOperations = await wellOperationRepository
             .GetAsync(requestWellOperationFact, token);
+
+        var orderedWellOperations = wellOperations
+            .OrderBy(operation => operation.DateStart)
+            .ToArray();
+
         if (!wellOperations.Any())
             return Enumerable.Empty<ProcessMapReportDataSaubStatDto>();
 
@@ -76,13 +81,14 @@ public class ProcessMapReportDrillingService : IProcessMapReportDrillingService
             return Enumerable.Empty<ProcessMapReportDataSaubStatDto>();
 
         var wellOperationCategories = wellOperationCategoryRepository.Get(false);
+
         var wellSectionTypes = wellOperationRepository.GetSectionTypes();
 
         var result = CalcByIntervals(
             request, 
             processMapPlanWellDrillings, 
-            dataSaubStats, 
-            wellOperations, 
+            dataSaubStats,
+            orderedWellOperations, 
             wellOperationCategories,
             wellSectionTypes);
 
@@ -101,8 +107,23 @@ public class ProcessMapReportDrillingService : IProcessMapReportDrillingService
         var list = new List<ProcessMapReportDataSaubStatDto>();
         var firstElemInInterval = dataSaubStats[0];
 
-        int GetSection(DataSaubStatDto data) 
-            => wellOperations.MinBy(o => data.DateStart - o.DateStart)!.IdWellSectionType;
+        var orderedWellOperations = wellOperations
+            .OrderBy(o => o.DateStart)
+            .ToArray();
+
+        var lastFoundIndex = 1;
+
+        int GetSection(DataSaubStatDto data)
+        {
+            if(lastFoundIndex < orderedWellOperations.Length - 1)
+            {
+                lastFoundIndex = Array.FindIndex(orderedWellOperations, lastFoundIndex, o => o.DateStart > data.DateStart) - 1;
+                lastFoundIndex = lastFoundIndex < 0 ? orderedWellOperations.Length - 1 : lastFoundIndex;
+            }
+            
+            var operation = orderedWellOperations[lastFoundIndex];
+            return operation.IdWellSectionType;
+        }            
 
         ProcessMapPlanDrillingDto? GetProcessMapPlan(int idWellSectionType, DataSaubStatDto data) 
             => processMapPlanWellDrillings
@@ -145,6 +166,7 @@ public class ProcessMapReportDrillingService : IProcessMapReportDrillingService
                     .First();
 
                 var elem = CalcStat(processMapPlan, span, wellOperationCategoryName, wellSectionType);
+
                 if (elem is not null)
                     list.Add(elem);                    
             }
diff --git a/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs b/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs
index 92db8e4d..e6fb372b 100644
--- a/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs
+++ b/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs
@@ -16,6 +16,11 @@ using System.Threading.Tasks;
 
 namespace AsbCloudInfrastructure.Services.SAUB;
 
+class TelemetryNewDataSaubDto : TelemetryDataSaubDto
+{
+    public new DateTimeOffset DateTime { get; set; }
+}
+
 public class TelemetryDataSaubService : TelemetryDataBaseService<TelemetryDataSaubDto, TelemetryDataSaub>, ITelemetryDataSaubService
 {
     private readonly ITelemetryUserService telemetryUserService;
@@ -124,10 +129,10 @@ public class TelemetryDataSaubService : TelemetryDataBaseService<TelemetryDataSa
 
     protected override TelemetryDataSaubDto Convert(TelemetryDataSaub src, double timezoneOffset)
     {
-        var dto = src.Adapt<TelemetryDataSaubDto>();
+        var dto = src.Adapt<TelemetryNewDataSaubDto>();
         var telemetryUser = telemetryUserService.GetOrDefault(src.IdTelemetry, src.IdUser ?? int.MinValue);
         dto.User = telemetryUser?.MakeDisplayName();
-        dto.DateTime = src.DateTime.ToRemoteDateTime(timezoneOffset);
+        dto.DateTime = src.DateTime.ToOffset(TimeSpan.FromHours(timezoneOffset)); // src.DateTime.ToRemoteDateTime(timezoneOffset);
         dto.BitDepth = src.BitDepth <= src.WellDepth
             ? src.BitDepth
             : src.WellDepth;