diff --git a/AsbCloudApp/Data/ClusterDto.cs b/AsbCloudApp/Data/ClusterDto.cs
index 683cd445..800d61a6 100644
--- a/AsbCloudApp/Data/ClusterDto.cs
+++ b/AsbCloudApp/Data/ClusterDto.cs
@@ -34,6 +34,6 @@ namespace AsbCloudApp.Data
         /// <summary>
         /// Список скважин куста
         /// </summary>
-        public IEnumerable<WellMapInfoDto> Wells { get; set; } = Enumerable.Empty<WellMapInfoDto>();
+        public IEnumerable<WellMapInfoWithTelemetryStat> Wells { get; set; } = Enumerable.Empty<WellMapInfoWithTelemetryStat>();
     }
 }
diff --git a/AsbCloudDb/Model/IAsbCloudDbContext.cs b/AsbCloudDb/Model/IAsbCloudDbContext.cs
index 82e87c7a..a839a43c 100644
--- a/AsbCloudDb/Model/IAsbCloudDbContext.cs
+++ b/AsbCloudDb/Model/IAsbCloudDbContext.cs
@@ -2,6 +2,7 @@
 using AsbCloudDb.Model.Subsystems;
 using AsbCloudDb.Model.WITS;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.ChangeTracking;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using System;
 using System.Threading;
@@ -73,7 +74,10 @@ namespace AsbCloudDb.Model
         Task<int> RefreshMaterializedViewAsync<TEntity>(CancellationToken token) where TEntity : class;
         int SaveChanges();
         int SaveChanges(bool acceptAllChangesOnSuccess);
-        Task<int> SaveChangesAsync(CancellationToken cancellationToken);        
-        DbSet<TEntity> Set<TEntity>() where TEntity : class;        
+        Task<int> SaveChangesAsync(CancellationToken cancellationToken);
+        DbSet<TEntity> Set<TEntity>() where TEntity : class;
+
+        EntityEntry<TEntity> Entry<TEntity>(TEntity entity)
+            where TEntity : class;
     }
 }
\ No newline at end of file
diff --git a/AsbCloudInfrastructure/DateTimeExtentions.cs b/AsbCloudInfrastructure/DateTimeExtensions.cs
similarity index 97%
rename from AsbCloudInfrastructure/DateTimeExtentions.cs
rename to AsbCloudInfrastructure/DateTimeExtensions.cs
index 0beb0b3e..2e355356 100644
--- a/AsbCloudInfrastructure/DateTimeExtentions.cs
+++ b/AsbCloudInfrastructure/DateTimeExtensions.cs
@@ -1,9 +1,10 @@
-using System;
+// Ignore Spelling: Linq
+
+using System;
 
 namespace AsbCloudInfrastructure
 {
-
-    public static class DateTimeExtentions
+    public static class DateTimeExtensions
     {
         /// <summary>
         /// Приветсти к UTC из времени куста
@@ -78,5 +79,4 @@ namespace AsbCloudInfrastructure
                 return indexOfMiddle;
         }
     }
-
 }
diff --git a/AsbCloudInfrastructure/Services/SAUB/TelemetryService.cs b/AsbCloudInfrastructure/Services/SAUB/TelemetryService.cs
index 811f9beb..7aa4f6c5 100644
--- a/AsbCloudInfrastructure/Services/SAUB/TelemetryService.cs
+++ b/AsbCloudInfrastructure/Services/SAUB/TelemetryService.cs
@@ -95,7 +95,8 @@ namespace AsbCloudInfrastructure.Services.SAUB
         {
             var entity = GetTelemetryCache()
                 .FirstOrDefault(t => t.Well?.Id == idWell);
-            if (entity.Well?.Timezone is not null && entity.TimeZone.Hours != entity.Well.Timezone.Hours)
+
+            if (entity?.Well?.Timezone is not null && entity.TimeZone.Hours != entity.Well.Timezone.Hours)
             {
                 entity.TimeZone = entity.Well.Timezone;
                 //TODO: выдаем предупреждение!
diff --git a/AsbCloudInfrastructure/Services/WellInfoService.cs b/AsbCloudInfrastructure/Services/WellInfoService.cs
index 7a99a767..5032d474 100644
--- a/AsbCloudInfrastructure/Services/WellInfoService.cs
+++ b/AsbCloudInfrastructure/Services/WellInfoService.cs
@@ -34,20 +34,22 @@ namespace AsbCloudInfrastructure.Services
         private readonly TelemetryDataCache<TelemetryDataSpinDto> telemetryDataSpinCache;
         private readonly IWitsRecordRepository<Record7Dto> witsRecord7Repository;
         private readonly IWitsRecordRepository<Record1Dto> witsRecord1Repository;
-
+        private readonly IGtrRepository gtrRepository;
         private static IEnumerable<WellMapInfoWithComanies> WellMapInfo = Enumerable.Empty<WellMapInfoWithComanies>();
         
         public WellInfoService(
             TelemetryDataCache<TelemetryDataSaubDto> telemetryDataSaubCache,
             TelemetryDataCache<TelemetryDataSpinDto> telemetryDataSpinCache,
             IWitsRecordRepository<Record7Dto> witsRecord7Repository,
-            IWitsRecordRepository<Record1Dto> witsRecord1Repository)
+            IWitsRecordRepository<Record1Dto> witsRecord1Repository,
+            IGtrRepository gtrRepository)
         {
             this.telemetryDataSaubCache = telemetryDataSaubCache;
             this.telemetryDataSpinCache = telemetryDataSpinCache;
 
             this.witsRecord7Repository = witsRecord7Repository;
             this.witsRecord1Repository = witsRecord1Repository;
+            this.gtrRepository = gtrRepository;
         }
 
         public static WorkPeriodic MakeWork()
@@ -173,10 +175,12 @@ namespace AsbCloudInfrastructure.Services
             var result = wellInfo.Adapt<WellMapInfoWithTelemetryStat>();
             if (wellInfo.IdTelemetry.HasValue)
             {
-                result.LastDataSaub = telemetryDataSaubCache.GetLastOrDefault(wellInfo.IdTelemetry.Value);
-                result.LastDataSpin = telemetryDataSpinCache.GetLastOrDefault(wellInfo.IdTelemetry.Value);
-                result.LastDataDdsDate = GetLastOrDefaultDdsTelemetry(wellInfo.IdTelemetry.Value);
-                result.LastDataGtrDate = null;
+                var idTelemetry = wellInfo.IdTelemetry.Value;
+                result.LastDataSaub = telemetryDataSaubCache.GetLastOrDefault(idTelemetry);
+                result.LastDataSpin = telemetryDataSpinCache.GetLastOrDefault(idTelemetry);
+                result.LastDataDdsDate = GetLastOrDefaultDdsTelemetry(idTelemetry);
+                result.LastDataGtrDate = gtrRepository.GetLastData(wellInfo.Id)
+                    .MaxOrDefault(item => item.Date);
                 result.LastDataDpcsDate = null;
                 result.LastDataDpcsDate = null;
             }
diff --git a/AsbCloudWebApi/Rest/Gtr.http b/AsbCloudWebApi/Rest/Gtr.http
index 32f6a474..6658edb2 100644
--- a/AsbCloudWebApi/Rest/Gtr.http
+++ b/AsbCloudWebApi/Rest/Gtr.http
@@ -2,7 +2,7 @@
 @contentType = application/json
 @auth = Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImN0eSI6IkpXVCJ9.eyJpZCI6IjEiLCJodHRwOi8vc2NoZW1hcy54bWxzb2FwLm9yZy93cy8yMDA1LzA1L2lkZW50aXR5L2NsYWltcy9uYW1lIjoiZGV2IiwiaWRDb21wYW55IjoiMSIsImh0dHA6Ly9zY2hlbWFzLm1pY3Jvc29mdC5jb20vd3MvMjAwOC8wNi9pZGVudGl0eS9jbGFpbXMvcm9sZSI6InJvb3QiLCJuYmYiOjE2NjI1NDgxNjIsImV4cCI6MTY5NDEwNTc2MiwiaXNzIjoiYSIsImF1ZCI6ImEifQ.OEAlNzxi7Jat6pzDBTAjTbChskc-tdJthJexyWwwUKE
 
-@uid = 20210910_012752700
+@uid = 20210101_000000000
 @idCluster = 1
 @idWell = 1 
 
@@ -20,7 +20,7 @@ Content-Type: {{contentType}}
 accept: */*
 Authorization: {{auth}}
 
-{
+[{
     "id":1,
     "date": "2023-04-18T08:41:49.332Z",
     "items": {
@@ -28,4 +28,4 @@ Authorization: {{auth}}
         "2": 1.1,
         "3": "string1"
     }
-}
\ No newline at end of file
+}]
\ No newline at end of file
diff --git a/AsbCloudWebApi/Rest/TelemetryDataSaub.http b/AsbCloudWebApi/Rest/TelemetryDataSaub.http
index 54786c9e..1d90787f 100644
--- a/AsbCloudWebApi/Rest/TelemetryDataSaub.http
+++ b/AsbCloudWebApi/Rest/TelemetryDataSaub.http
@@ -2,7 +2,7 @@
 @contentType = application/json
 @auth = Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImN0eSI6IkpXVCJ9.eyJpZCI6IjEiLCJodHRwOi8vc2NoZW1hcy54bWxzb2FwLm9yZy93cy8yMDA1LzA1L2lkZW50aXR5L2NsYWltcy9uYW1lIjoiZGV2IiwiaWRDb21wYW55IjoiMSIsImh0dHA6Ly9zY2hlbWFzLm1pY3Jvc29mdC5jb20vd3MvMjAwOC8wNi9pZGVudGl0eS9jbGFpbXMvcm9sZSI6InJvb3QiLCJuYmYiOjE2NjI1NDgxNjIsImV4cCI6MTY5NDEwNTc2MiwiaXNzIjoiYSIsImF1ZCI6ImEifQ.OEAlNzxi7Jat6pzDBTAjTbChskc-tdJthJexyWwwUKE
 
-@uid = 20210917_165407777
+@uid = 20210101_000000000
 
 # https://marketplace.visualstudio.com/items?itemName=humao.rest-client
 
diff --git a/AsbCloudWebApi/Rest/Wits.http b/AsbCloudWebApi/Rest/Wits.http
new file mode 100644
index 00000000..83813e07
--- /dev/null
+++ b/AsbCloudWebApi/Rest/Wits.http
@@ -0,0 +1,66 @@
+@baseUrl = http://127.0.0.1:5000
+@contentType = application/json
+@auth = Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImN0eSI6IkpXVCJ9.eyJpZCI6IjEiLCJodHRwOi8vc2NoZW1hcy54bWxzb2FwLm9yZy93cy8yMDA1LzA1L2lkZW50aXR5L2NsYWltcy9uYW1lIjoiZGV2IiwiaWRDb21wYW55IjoiMSIsImh0dHA6Ly9zY2hlbWFzLm1pY3Jvc29mdC5jb20vd3MvMjAwOC8wNi9pZGVudGl0eS9jbGFpbXMvcm9sZSI6InJvb3QiLCJuYmYiOjE2NjI1NDgxNjIsImV4cCI6MTY5NDEwNTc2MiwiaXNzIjoiYSIsImF1ZCI6ImEifQ.OEAlNzxi7Jat6pzDBTAjTbChskc-tdJthJexyWwwUKE
+
+@uid = 20210101_000000000
+
+# https://marketplace.visualstudio.com/items?itemName=humao.rest-client
+
+### 
+POST {{baseUrl}}/api/WitsRecord1/{{uid}}
+Content-Type: {{contentType}}
+accept: */*
+
+[
+  {
+    "id": 0,
+    "idTelemetry": 0,
+    "dateTime": "2023-06-30T05:05:05.000Z",
+    "timeStamp": 0,
+    "wellid": "string",
+    "stknum": 0,
+    "recid": 0,
+    "seqid": 0,
+    "date_": 0,
+    "time": 0,
+    "actcod": 0,
+    "deptbitm": 0,
+    "deptbitv": 0,
+    "deptmeas": 0,
+    "deptvert": 0,
+    "blkpos": 0,
+    "ropa": 0,
+    "hkla": 0,
+    "hklx": 0,
+    "woba": 0,
+    "wobx": 0,
+    "torqa": 0,
+    "torqx": 0,
+    "rpma": 0,
+    "sppa": 0,
+    "chkp": 0,
+    "spm1": 0,
+    "spm2": 0,
+    "spm3": 0,
+    "tvolact": 0,
+    "tvolcact": 0,
+    "mfop": 0,
+    "mfoa": 0,
+    "mfia": 0,
+    "mdoa": 0,
+    "mdia": 0,
+    "mtoa": 0,
+    "mtia": 0,
+    "mcoa": 0,
+    "mcia": 0,
+    "stkc": 0,
+    "lagstks": 0,
+    "deptretm": 0,
+    "gasa": 0,
+    "spare1": 0,
+    "spare2": 0,
+    "spare3": 0,
+    "spare4": 0,
+    "spare5": 0
+  }
+]
\ No newline at end of file