diff --git a/AsbCloudApp/Requests/TelemetryRequest.cs b/AsbCloudApp/Requests/TelemetryRequest.cs
index e8f88a90..04d4ffb4 100644
--- a/AsbCloudApp/Requests/TelemetryRequest.cs
+++ b/AsbCloudApp/Requests/TelemetryRequest.cs
@@ -55,14 +55,4 @@ public class TelemetryDataRequest
     /// </summary>
     [Range(1, MaxTake)]
     public int Take { get; set; } = 1024;
-
-    /// <summary>
-    /// Больше или равно высоте талевого блока
-    /// </summary>
-    public double? GeBlockPosition { get; set; }
-    
-    /// <summary>
-    /// Меньше или равно высоте талевого блока
-    /// </summary>
-    public double? LeBlockPosition { get; set; }
 }
diff --git a/AsbCloudInfrastructure/Repository/DetectedOperationRepository.cs b/AsbCloudInfrastructure/Repository/DetectedOperationRepository.cs
index 2dfd0eac..7d664066 100644
--- a/AsbCloudInfrastructure/Repository/DetectedOperationRepository.cs
+++ b/AsbCloudInfrastructure/Repository/DetectedOperationRepository.cs
@@ -36,15 +36,10 @@ public class DetectedOperationRepository
                 IdTelemetry = g.Key,
                 LastDetectedOperation = g.OrderBy(o => o.DateEnd).Last()
             })
-            .ToDictionaryAsync(x => x.IdTelemetry, x => x.LastDetectedOperation, token);
+            .ToArrayAsync(token);
 
-        var dtos = entities.ToDictionary(x => x.Key, x =>
-        {
-            if (x.Value == null)
-                throw new ArgumentNullException(nameof(x.Value), "The value of the last detected operation cannot be null");
-
-            return Convert(x.Value);
-        });
+        var dtos = entities.ToDictionary(x => x.IdTelemetry,
+            x => Convert(x.LastDetectedOperation));
 
         return dtos;
     }
diff --git a/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs b/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
index 30d83ecd..4b21ca96 100644
--- a/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
+++ b/AsbCloudInfrastructure/Services/DetectOperations/DetectedOperationService.cs
@@ -204,19 +204,21 @@ public class DetectedOperationService : IDetectedOperationService
 
         var detectedOperations = new List<DetectedOperationDto>();
 
-        var detectableTelemetries = telemetries.Select(t => new DetectableTelemetry
-        {
-            DateTime = new DateTimeOffset(t.DateTime, timezone.Offset),
-            IdUser = t.IdUser,
-            Mode = t.Mode,
-            WellDepth = t.WellDepth,
-            Pressure = t.Pressure,
-            HookWeight = t.HookWeight,
-            BlockPosition = t.BlockPosition,
-            BitDepth = t.BitDepth,
-            RotorSpeed = t.RotorSpeed,
-            AxialLoad = t.AxialLoad,
-        }).ToArray();
+        var detectableTelemetries = telemetries
+            .Where(t => t.BlockPosition >= 0)
+            .Select(t => new DetectableTelemetry
+            {
+                DateTime = new DateTimeOffset(t.DateTime, timezone.Offset),
+                IdUser = t.IdUser,
+                Mode = t.Mode,
+                WellDepth = t.WellDepth,
+                Pressure = t.Pressure,
+                HookWeight = t.HookWeight,
+                BlockPosition = t.BlockPosition,
+                BitDepth = t.BitDepth,
+                RotorSpeed = t.RotorSpeed,
+                AxialLoad = t.AxialLoad,
+            }).ToArray();
 
         var positionBegin = 0;
         var positionEnd = detectableTelemetries.Length - gap;
diff --git a/AsbCloudInfrastructure/Services/DetectOperations/WorkOperationDetection.cs b/AsbCloudInfrastructure/Services/DetectOperations/WorkOperationDetection.cs
index d00be734..e4ae3eb4 100644
--- a/AsbCloudInfrastructure/Services/DetectOperations/WorkOperationDetection.cs
+++ b/AsbCloudInfrastructure/Services/DetectOperations/WorkOperationDetection.cs
@@ -74,8 +74,7 @@ public class WorkOperationDetection : Work
 				{
 					GeDate = dateBegin,
 					Take = pointsCount,
-					Order = 0,
-					GeBlockPosition = 0
+					Order = 0
 				};
 
 				var detectedOperations =
diff --git a/AsbCloudInfrastructure/Services/SAUB/TelemetryDataBaseService.cs b/AsbCloudInfrastructure/Services/SAUB/TelemetryDataBaseService.cs
index 8d2b369c..3dbb2e58 100644
--- a/AsbCloudInfrastructure/Services/SAUB/TelemetryDataBaseService.cs
+++ b/AsbCloudInfrastructure/Services/SAUB/TelemetryDataBaseService.cs
@@ -176,7 +176,7 @@ namespace AsbCloudInfrastructure.Services.SAUB
             return dtos;
         }
 
-        protected virtual IQueryable<TEntity> BuildQuery(int idTelemetry, TelemetryDataRequest request)
+        private IQueryable<TEntity> BuildQuery(int idTelemetry, TelemetryDataRequest request)
         {
             var dbSet = db.Set<TEntity>();
 
diff --git a/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs b/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs
index 8541caee..2516bd65 100644
--- a/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs
+++ b/AsbCloudInfrastructure/Services/SAUB/TelemetryDataSaubService.cs
@@ -176,17 +176,4 @@ public class TelemetryDataSaubService : TelemetryDataBaseService<TelemetryDataSa
         outStream.Seek(0, SeekOrigin.Begin);
         return outStream;
     }
-
-    protected override IQueryable<TelemetryDataSaub> BuildQuery(int idTelemetry, TelemetryDataRequest request)
-    {
-        var query = base.BuildQuery(idTelemetry, request);
-
-        if (request.GeBlockPosition.HasValue)
-            query = query.Where(e => e.BlockPosition >= request.GeBlockPosition);
-
-        if (request.LeBlockPosition.HasValue)
-            query = query.Where(e => e.BlockPosition <= request.LeBlockPosition);
-
-        return query;
-    }
-}
+}
\ No newline at end of file