diff --git a/AsbCloudApp/Data/DailyReport/ItemInfoDto.cs b/AsbCloudApp/Data/DailyReport/ItemInfoDto.cs
index ac27a385..7cfaeed0 100644
--- a/AsbCloudApp/Data/DailyReport/ItemInfoDto.cs
+++ b/AsbCloudApp/Data/DailyReport/ItemInfoDto.cs
@@ -3,7 +3,8 @@
 namespace AsbCloudApp.Data.DailyReport
 {
     /// <summary>
-    /// хранение дополнительной информации о записи
+    /// хранение дополнительной информации о записи 
+    /// автоматическое формирование данных на серверной стороне
     /// </summary>
     public class ItemInfoDto
     {
diff --git a/AsbCloudApp/Data/DailyReport/TimeBalanceDto.cs b/AsbCloudApp/Data/DailyReport/TimeBalanceDto.cs
index 55db7850..efed1ea4 100644
--- a/AsbCloudApp/Data/DailyReport/TimeBalanceDto.cs
+++ b/AsbCloudApp/Data/DailyReport/TimeBalanceDto.cs
@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Linq;
 
 namespace AsbCloudApp.Data.DailyReport
 {
@@ -11,7 +12,7 @@ namespace AsbCloudApp.Data.DailyReport
         /// <summary>
         /// Статистика по операциям
         /// </summary>
-        public IEnumerable<OperationStatDto>? OperationsStat { get; set; }
+        public IEnumerable<OperationStatDto> OperationsStat { get; set; } = Enumerable.Empty<OperationStatDto>();
     }
 }
 
diff --git a/AsbCloudApp/Services/IDailyReportService.cs b/AsbCloudApp/Services/IDailyReportService.cs
index 3943e86c..574a04bf 100644
--- a/AsbCloudApp/Services/IDailyReportService.cs
+++ b/AsbCloudApp/Services/IDailyReportService.cs
@@ -32,16 +32,6 @@ namespace AsbCloudApp.Services
         /// <returns></returns>
         Task<int> AddAsync(int idWell, DateTime startDate, int idUser, CancellationToken token = default);
         
-        /// <summary>
-        /// изменить данные для суточного рапорта
-        /// </summary>
-        /// <param name="idWell"></param>
-        /// <param name="date"></param>
-        /// <param name="dto"></param>
-        /// <param name="token"></param>
-        /// <returns></returns>
-        Task<int> UpdateAsync(int idWell, DateTime date, DailyReportDto dto, CancellationToken token = default);
-
         /// <summary>
         /// Сформировать файл рапорта
         /// </summary>
diff --git a/AsbCloudDb/Model/DailyReport/DailyReportInfo.cs b/AsbCloudDb/Model/DailyReport/DailyReportInfo.cs
index ea8fafe0..d5a7bfd6 100644
--- a/AsbCloudDb/Model/DailyReport/DailyReportInfo.cs
+++ b/AsbCloudDb/Model/DailyReport/DailyReportInfo.cs
@@ -7,7 +7,6 @@ namespace AsbCloudDb.Model
         public Head Head { get; set; } = null!;
         public Bha Bha { get; set; } = new();
         public NoDrilling NoDrilling { get; set; } = new();
-        public TimeBalance TimeBalance { get; set; } = new();
         public Saub Saub { get; set; } = new();
         public Sign Sign { get; set; } = new();
     }
diff --git a/AsbCloudDb/Model/DailyReport/ItemInfo.cs b/AsbCloudDb/Model/DailyReport/ItemInfo.cs
index bf579080..3d7e6793 100644
--- a/AsbCloudDb/Model/DailyReport/ItemInfo.cs
+++ b/AsbCloudDb/Model/DailyReport/ItemInfo.cs
@@ -12,6 +12,6 @@ namespace AsbCloudDb.Model
         /// <summary>
         /// дата последнего обновления блока
         /// </summary>
-        public DateTimeOffset? LastUpdateDate { get; set; }
+        public DateTimeOffset LastUpdateDate { get; set; } = DateTimeOffset.Now;
     }
 }
diff --git a/AsbCloudDb/Model/DailyReport/TimeBalance.cs b/AsbCloudDb/Model/DailyReport/TimeBalance.cs
deleted file mode 100644
index db9a9ffc..00000000
--- a/AsbCloudDb/Model/DailyReport/TimeBalance.cs
+++ /dev/null
@@ -1,96 +0,0 @@
-namespace AsbCloudDb.Model.DailyReport
-{
-    public class TimeBalance : ItemInfo
-    {
-        /// <summary>
-        /// Бурение
-        /// </summary>
-        public string Drilling { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Промывка
-        /// </summary>
-        public string Flushing { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Наращивание
-        /// </summary>
-        public string Building { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Проработка
-        /// </summary>
-        public string Elaboration { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Расширка
-        /// </summary>
-        public string Extension { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Ремонт
-        /// </summary>
-        public string Repair { get; set; } = string.Empty;
-
-        /// <summary>
-        /// КНБК
-        /// </summary>
-        public string Knbk { get; set; } = string.Empty;
-
-        /// <summary>
-        /// СПО
-        /// </summary>
-        public string Spo { get; set; } = string.Empty;
-
-        /// <summary>
-        /// ПЗР
-        /// </summary>
-        public string Pzr { get; set; } = string.Empty;
-
-        /// <summary>
-        /// ПВО
-        /// </summary>
-        public string Pvo { get; set; } = string.Empty;
-
-        /// <summary>
-        /// ПГР
-        /// </summary>
-        public string Pgr { get; set; } = string.Empty;
-
-        /// <summary>
-        /// ГИС
-        /// </summary>
-        public string Gis { get; set; } = string.Empty;
-
-        /// <summary>
-        /// ОЗЦ
-        /// </summary>
-        public string Ozc { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Тех. работы
-        /// </summary>
-        public string EngineeringWorks { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Снятие замера
-        /// </summary>
-        public string TakingMeasure { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Цементирование
-        /// </summary>
-        public string Cementing { get; set; } = string.Empty;
-
-        /// <summary>
-        /// Простой
-        /// </summary>
-        public string Simple { get; set; } = string.Empty;
-
-        /// <summary>
-        /// НПВ
-        /// </summary>
-        public string Npv { get; set; } = string.Empty;
-    }
-}
-
diff --git a/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs b/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs
index 1cc5f2b7..5a814373 100644
--- a/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs
+++ b/AsbCloudInfrastructure/Services/DailyReport/DailyReportService.cs
@@ -47,52 +47,41 @@ namespace AsbCloudInfrastructure.Services.DailyReport
 
             var query = db.DailyReports.Where(r => r.IdWell == idWell);
 
-            DateOnly ExtractDate(DateTime dateTime)
-            {
-                var dateTimeOffset = dateTime.ToUtcDateTimeOffset(well!.Timezone.Hours);
-                var date = new DateOnly(dateTimeOffset.Year, dateTimeOffset.Month, dateTimeOffset.Day);
-                return date;
-            }
-
             if (begin is not null)
             {
-                var beginDateOnly = ExtractDate(begin.Value);
+                var beginDateOnly = ExtractDate(begin.Value, well);
                 query = query.Where(d => d.StartDate >= beginDateOnly);
             }
 
             if (end is not null)
             {
-                var endDateOnly = ExtractDate(end.Value);
+                var endDateOnly = ExtractDate(end.Value, well);
                 query = query.Where(d => d.StartDate <= endDateOnly);
             }
 
-            var entities = await query.OrderByDescending(e => e.StartDate).ToListAsync(token);
+            var entities = await query.OrderByDescending(e => e.StartDate)
+                .AsNoTracking()
+                .ToArrayAsync(token)
+                .ConfigureAwait(false);
 
-            var dtos = entities.Select(Convert).ToList();
+            var factOperationsForDtos = await GetFactOperationsForDailyReportAsync(idWell, token);
 
-            var factOperationsForDtos = await getFactOperationsForDailyReportAsync(idWell, token);
-
-            foreach (var dto in dtos)
+            var dtos = new List<DailyReportDto>(entities.Length);
+            foreach (var entity in entities)
             {
-                dto.TimeBalance.OperationsStat = (factOperationsForDtos
-                    .Where(o => DateOnly.FromDateTime(o.DateStart) == dto.StartDate)
-                    .GroupBy(o => o.IdCategory)
-                    .Select(g => new OperationStatDto() { Depth = g.Sum(o => o.DepthEnd - o.DepthStart) }));
-
-                await SetUserNamesToDailyReportDtoAsync(dto, token);
-            }
-
-
+                var dto = await Convert(entity, factOperationsForDtos, token);
+                dtos.Add(dto);
+            }         
             return dtos;
         }
 
         /// <summary>
-        /// получение фактических операций для суточного рапорта
+        /// Получение фактических операций для суточного рапорта
         /// </summary>
         /// <param name="idWell"></param>
         /// <param name="token"></param>
         /// <returns></returns>
-        private async Task<IEnumerable<WellOperationDto>> getFactOperationsForDailyReportAsync(int idWell, CancellationToken token)
+        private async Task<IEnumerable<WellOperationDto>> GetFactOperationsForDailyReportAsync(int idWell, CancellationToken token)
         {
             var request = new WellOperationRequest()
             {
@@ -126,9 +115,7 @@ namespace AsbCloudInfrastructure.Services.DailyReport
                 if (block.IdUser is not null)
                 {
                     var user = await userRepository.GetOrDefaultAsync(block.IdUser.Value, token);
-                    block.UserName = user is not null
-                        ? string.Format("{0} {1} {2}", user.Surname, user.Name, user.Patronymic)
-                        : String.Empty;
+                    block.UserName = user is not null ? user.MakeDisplayName() : $"userId:{block.IdUser.Value}";
                 }
             }
 
@@ -138,35 +125,23 @@ namespace AsbCloudInfrastructure.Services.DailyReport
         public async Task<int> AddAsync(int idWell, DateTime startDate, int idUser, CancellationToken token = default)
         {
             var well = wellService.GetOrDefault(idWell);
-            if (well is null || well.Timezone is null)
+            if (well is null)
                 throw new ArgumentInvalidException("idWell doesn`t exist", nameof(idWell));
 
-            var startDateOnly = DateOnly.FromDateTime(startDate);
+            var startDateOnly = ExtractDate(startDate, well);
 
-            var entity = await db.DailyReports
-                .FirstOrDefaultAsync(r => r.IdWell == idWell && r.StartDate == startDateOnly, token);
-            if (entity is not null)
-                throw new Exception($"daily report on {startDateOnly} already exists");
+            var hasEntity = await db.DailyReports
+                .AnyAsync(r => r.IdWell == idWell && r.StartDate == startDateOnly, token);
+            if (hasEntity)
+                throw new ArgumentInvalidException($"daily report on {startDateOnly} already exists", nameof(startDateOnly));
 
-            var customer = well.Companies.FirstOrDefault(company => company.IdCompanyType == 1);
-            var contractor = well.Companies.FirstOrDefault(company => company.IdCompanyType == 2);
-
-            entity = new AsbCloudDb.Model.DailyReport.DailyReport
+            var entity = new AsbCloudDb.Model.DailyReport.DailyReport
             {
                 IdWell = idWell,
                 StartDate = startDateOnly,
                 Info = new DailyReportInfo()
                 {
-                    Head = new Head()
-                    {
-                        ReportDate = startDate.Date,
-                        WellName = well.Caption,
-                        ClusterName = well?.Cluster ?? String.Empty,
-                        Customer = customer?.Caption ?? String.Empty,
-                        Contractor = contractor?.Caption ?? String.Empty,
-                        IdUser = idUser,
-                        LastUpdateDate = DateTimeOffset.Now,
-                    }
+                    Head = CreateHeadDailyReportBlock(well, startDate, idUser)
                 }
             };
             db.DailyReports.Add(entity);
@@ -174,31 +149,17 @@ namespace AsbCloudInfrastructure.Services.DailyReport
             return result;
         }
 
-        public async Task<int> UpdateAsync(int idWell, DateTime date, DailyReportDto dto, CancellationToken token)
-        {
-            var dateOffset = date.Date;
-            var entity = await db.DailyReports
-                .FirstOrDefaultAsync(r => r.IdWell == idWell &&
-                    r.StartDate.Year == dateOffset.Year &&
-                    r.StartDate.DayOfYear == dateOffset.DayOfYear
-                    , token);
-
-            if (entity is null)
-                return 0;
-
-            entity.Info = Convert(dto);
-            db.DailyReports.Update(entity);
-            var result = await db.SaveChangesAsync(token);
-            return result;
-        }
-
         public async Task<int> UpdateBlockAsync(int idWell, DateTime startDate, ItemInfoDto dto, CancellationToken token)
         {
+            var well = wellService.GetOrDefault(idWell);
+            if (well is null)
+                throw new ArgumentInvalidException("idWell doesn`t exist", nameof(idWell));
+
             var startDateOnly = DateOnly.FromDateTime(startDate);
             var entity = await db.DailyReports.FirstOrDefaultAsync(r => r.IdWell == idWell && r.StartDate == startDateOnly, token);
 
             if (entity is null)
-                return 0;
+                throw new ArgumentInvalidException("Daily report doesn`t exist", nameof(startDate));
 
             dto.LastUpdateDate = DateTimeOffset.Now;
             if (dto is HeadDto headDto)
@@ -207,8 +168,6 @@ namespace AsbCloudInfrastructure.Services.DailyReport
                 entity.Info.Bha = bhaDto.Adapt<Bha>();
             if (dto is NoDrillingDto noDrillingDto)
                 entity.Info.NoDrilling = noDrillingDto.Adapt<NoDrilling>();
-            if (dto is TimeBalanceDto timeBalanceDto)
-                entity.Info.TimeBalance = timeBalanceDto.Adapt<TimeBalance>();
             if (dto is SaubDto saubDto)
                 entity.Info.Saub = saubDto.Adapt<Saub>();
             if (dto is SignDto signDto)
@@ -239,23 +198,73 @@ namespace AsbCloudInfrastructure.Services.DailyReport
                     , token);
 
             if (entity is null)
-                return null;
-            var dto = Convert(entity);
+                throw new ArgumentInvalidException("Daily report doesn`t exist", nameof(date));
+
+            var factOperationsForDtos = await GetFactOperationsForDailyReportAsync(idWell, token);
+            var dto = await Convert(entity, factOperationsForDtos, token);
             return dto;
         }
 
-        private static DailyReportDto Convert(AsbCloudDb.Model.DailyReport.DailyReport entity)
+        /// <summary>
+        /// конвертация данных из модели базы данных в dto
+        /// </summary>
+        /// <param name="entity">модель базы данных</param>
+        /// <param name="factOperationsForDtos">список фактичских операций для формирования суточного рапорта</param>
+        /// <param name="token"></param>
+        /// <returns></returns>
+        private async Task<DailyReportDto> Convert(
+            AsbCloudDb.Model.DailyReport.DailyReport entity, 
+            IEnumerable<WellOperationDto> factOperationsForDtos,
+            CancellationToken token)
         {
             var dto = entity.Info.Adapt<DailyReportDto>();
             dto.StartDate = entity.StartDate;
+
+            dto.TimeBalance.OperationsStat = (factOperationsForDtos
+               .Where(o => DateOnly.FromDateTime(o.DateStart) == dto.StartDate)
+               .GroupBy(o => o.IdCategory)
+               .Select(g => new OperationStatDto() { Depth = g.Sum(o => o.DepthEnd - o.DepthStart) }));
+
+            await SetUserNamesToDailyReportDtoAsync(dto, token);
+
             return dto;
         }
 
-        private static DailyReportInfo Convert(DailyReportDto dto)
+        /// <summary>
+        /// Приведение данных к формату DateOnly с учетом часового пояса скважины 
+        /// </summary>
+        /// <param name="dateTime"></param>
+        /// <param name="well"></param>
+        /// <returns></returns>
+        private DateOnly ExtractDate(DateTime dateTime, WellDto well)
         {
-            var entity = dto.Adapt<DailyReportInfo>();
-            entity.Head.ReportDate = dto.Head.ReportDate.Date.Date;
-            return entity;
+            var dateTimeOffset = dateTime.ToUtcDateTimeOffset(well!.Timezone.Hours);
+            var date = new DateOnly(dateTimeOffset.Year, dateTimeOffset.Month, dateTimeOffset.Day);
+            return date;
+        }
+
+        /// <summary>
+        /// Создание блока "Заголовок" по умолчанию
+        /// </summary>
+        /// <param name="well"></param>
+        /// <param name="startDate"></param>
+        /// <param name="idUser"></param>
+        /// <returns></returns>
+        private Head CreateHeadDailyReportBlock(WellDto well, DateTime startDate, int idUser)
+        {
+            var customer = well.Companies.FirstOrDefault(company => company.IdCompanyType == 1);
+            var contractor = well.Companies.FirstOrDefault(company => company.IdCompanyType == 2);
+
+            return new Head()
+            {
+                ReportDate = startDate.Date,
+                WellName = well.Caption,
+                ClusterName = well?.Cluster ?? string.Empty,
+                Customer = customer?.Caption ?? string.Empty,
+                Contractor = contractor?.Caption ?? string.Empty,
+                IdUser = idUser,
+                LastUpdateDate = DateTimeOffset.Now,
+            };
         }
     }
 #nullable disable
diff --git a/AsbCloudWebApi/Controllers/DailyReportController.cs b/AsbCloudWebApi/Controllers/DailyReportController.cs
index bc44a4e1..0c5cfc38 100644
--- a/AsbCloudWebApi/Controllers/DailyReportController.cs
+++ b/AsbCloudWebApi/Controllers/DailyReportController.cs
@@ -1,4 +1,5 @@
 using AsbCloudApp.Data.DailyReport;
+using AsbCloudApp.Exceptions;
 using AsbCloudApp.Repositories;
 using AsbCloudApp.Services;
 using Microsoft.AspNetCore.Authorization;
@@ -71,19 +72,17 @@ namespace AsbCloudWebApi.Controllers
                 var result = await dailyReportService.AddAsync(idWell, startDate, (int)idUser, token);
                 return Ok(result);
             }
-            catch (Exception ex)
+            catch (ArgumentInvalidException ex)
             {
                 return BadRequest(ex.Message);
             }
         }
 
-
-
         /// <summary>
         /// Сохранение изменений набора данных для формирования рапорта (заголовок)
         /// </summary>
         /// <param name="idWell"></param>
-        /// <param name="date"></param>
+        /// <param name="date">Дата без учета времени</param>
         /// <param name="dto"></param>
         /// <param name="token"></param>
         /// <returns></returns>
@@ -91,18 +90,14 @@ namespace AsbCloudWebApi.Controllers
         [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> UpdateHeadAsync(int idWell, [Required] DateTime date, [Required] HeadDto dto, CancellationToken token = default)
         {
-            if (!setEditorIdToDailyReportBlock(dto))
-                return Forbid();
-
-            var result = await dailyReportService.UpdateBlockAsync(idWell, date, dto, token);
-            return Ok(result);
+            return await UpdateReportBlockAsync(idWell, date, dto, token);
         }
 
         /// <summary>
         /// Сохранение изменений набора данных для формирования рапорта (блок КНБК)
         /// </summary>
         /// <param name="idWell"></param>
-        /// <param name="date"></param>
+        /// <param name="date">Дата без учета времени</param>
         /// <param name="dto"></param>
         /// <param name="token"></param>
         /// <returns></returns>
@@ -110,18 +105,14 @@ namespace AsbCloudWebApi.Controllers
         [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> UpdateBhaAsync(int idWell, [Required] DateTime date, [Required] BhaDto dto, CancellationToken token = default)
         {
-            if (!setEditorIdToDailyReportBlock(dto))
-                return Forbid();
-
-            var result = await dailyReportService.UpdateBlockAsync(idWell, date, dto, token);
-            return Ok(result);
+            return await UpdateReportBlockAsync(idWell, date, dto, token);
         }
 
         /// <summary>
         /// Сохранение изменений набора данных для формирования рапорта (безметражные работы)
         /// </summary>
         /// <param name="idWell"></param>
-        /// <param name="date"></param>
+        /// <param name="date">Дата без учета времени</param>
         /// <param name="dto"></param>
         /// <param name="token"></param>
         /// <returns></returns>
@@ -129,18 +120,14 @@ namespace AsbCloudWebApi.Controllers
         [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> UpdateNoDrillingAsync(int idWell, [Required] DateTime date, [Required] NoDrillingDto dto, CancellationToken token = default)
         {
-            if (!setEditorIdToDailyReportBlock(dto))
-                return Forbid();
-
-            var result = await dailyReportService.UpdateBlockAsync(idWell, date, dto, token);
-            return Ok(result);
+            return await UpdateReportBlockAsync(idWell, date, dto, token);
         }
 
         /// <summary>
         /// Сохранение изменений набора данных для формирования рапорта (САУБ)
         /// </summary>
         /// <param name="idWell"></param>
-        /// <param name="date"></param>
+        /// <param name="date">Дата без учета времени</param>
         /// <param name="dto"></param>
         /// <param name="token"></param>
         /// <returns></returns>
@@ -148,18 +135,14 @@ namespace AsbCloudWebApi.Controllers
         [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> UpdateSaubAsync(int idWell, [Required] DateTime date, [Required] SaubDto dto, CancellationToken token = default)
         {
-            if (!setEditorIdToDailyReportBlock(dto))
-                return Forbid();
-
-            var result = await dailyReportService.UpdateBlockAsync(idWell, date, dto, token);
-            return Ok(result);
+            return await UpdateReportBlockAsync(idWell, date, dto, token);
         }
 
         /// <summary>
         /// Сохранение изменений набора данных для формирования рапорта (подпись)
         /// </summary>
         /// <param name="idWell"></param>
-        /// <param name="date"></param>
+        /// <param name="date">Дата без учета времени</param>
         /// <param name="dto"></param>
         /// <param name="token"></param>
         /// <returns></returns>
@@ -167,7 +150,20 @@ namespace AsbCloudWebApi.Controllers
         [ProducesResponseType(typeof(int), (int)System.Net.HttpStatusCode.OK)]
         public async Task<IActionResult> UpdateSignAsync(int idWell, [Required] DateTime date, [Required] SignDto dto, CancellationToken token = default)
         {
-            if (!setEditorIdToDailyReportBlock(dto))
+            return await UpdateReportBlockAsync(idWell, date, dto, token);
+        }
+
+        /// <summary>
+        /// Обновление блока суточного рапорта
+        /// </summary>
+        /// <param name="idWell">ключ скважины</param>
+        /// <param name="date">дата суточного рапорта</param>
+        /// <param name="dto"></param>
+        /// <param name="token"></param>
+        /// <returns></returns>
+        private async Task<IActionResult> UpdateReportBlockAsync(int idWell, DateTime date, ItemInfoDto dto, CancellationToken token)
+        {
+            if (!SetEditorIdToDailyReportBlock(dto))
                 return Forbid();
 
             var result = await dailyReportService.UpdateBlockAsync(idWell, date, dto, token);
@@ -175,11 +171,11 @@ namespace AsbCloudWebApi.Controllers
         }
 
         /// <summary>
-        /// записать ключ пользователя, вносящего изменения в блок суточного рапорта
+        /// Записать ключ пользователя, вносящего изменения в блок суточного рапорта
         /// </summary>
         /// <param name="dto"></param>
         /// <returns></returns>
-        private bool setEditorIdToDailyReportBlock(ItemInfoDto dto)
+        private bool SetEditorIdToDailyReportBlock(ItemInfoDto dto)
         {
             var idUser = User.GetUserId();
             if (idUser is null)