diff --git a/DD.Persistence.API/Controllers/ChangeLogController.cs b/DD.Persistence.API/Controllers/ChangeLogController.cs
index 8b788c4..e4d1c09 100644
--- a/DD.Persistence.API/Controllers/ChangeLogController.cs
+++ b/DD.Persistence.API/Controllers/ChangeLogController.cs
@@ -24,7 +24,7 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     [ProducesResponseType(typeof(int), (int)HttpStatusCode.Created)]
     public async Task<IActionResult> Add(
         [FromRoute] Guid idDiscriminator,
-        [FromBody] DataWithWellDepthAndSectionDto dto,
+        [FromBody] ChangeLogValuesDto dto,
         CancellationToken token)
     {
         var userId = User.GetUserId<Guid>();
@@ -37,7 +37,7 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     [ProducesResponseType(typeof(int), (int)HttpStatusCode.Created)]
     public async Task<IActionResult> AddRange(
         [FromRoute] Guid idDiscriminator,
-        [FromBody] IEnumerable<DataWithWellDepthAndSectionDto> dtos,
+        [FromBody] IEnumerable<ChangeLogValuesDto> dtos,
         CancellationToken token)
     {
         var userId = User.GetUserId<Guid>();
@@ -70,7 +70,7 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     [ProducesResponseType(typeof(int), (int)HttpStatusCode.OK)]
     public async Task<IActionResult> ClearAndAddRange(
         [FromRoute] Guid idDiscriminator,
-        [FromBody] IEnumerable<DataWithWellDepthAndSectionDto> dtos,
+        [FromBody] IEnumerable<ChangeLogValuesDto> dtos,
         CancellationToken token)
     {
         var userId = User.GetUserId<Guid>();
@@ -81,7 +81,7 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     [HttpPut]
     [ProducesResponseType(typeof(int), (int)HttpStatusCode.OK)]
     public async Task<IActionResult> Update(
-        DataWithWellDepthAndSectionDto dto,
+        ChangeLogValuesDto dto,
         CancellationToken token)
     {
         var userId = User.GetUserId<Guid>();
@@ -93,7 +93,7 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     [HttpPut("range")]
     [ProducesResponseType(typeof(int), (int)HttpStatusCode.OK)]
     public async Task<IActionResult> UpdateRange(
-        IEnumerable<DataWithWellDepthAndSectionDto> dtos,
+        IEnumerable<ChangeLogValuesDto> dtos,
         CancellationToken token)
     {
         var userId = User.GetUserId<Guid>();
@@ -103,29 +103,27 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     }
 
     [HttpGet("{idDiscriminator}")]
-    [ProducesResponseType(typeof(PaginationContainer<DataWithWellDepthAndSectionDto>), (int)HttpStatusCode.OK)]
+    [ProducesResponseType(typeof(PaginationContainer<ChangeLogValuesDto>), (int)HttpStatusCode.OK)]
     public async Task<IActionResult> GetCurrent(
         [FromRoute] Guid idDiscriminator,
-        [FromQuery] SectionPartRequest filterRequest,
         [FromQuery] PaginationRequest paginationRequest,
         CancellationToken token)
     {
         var moment = new DateTimeOffset(3000, 1, 1, 0, 0, 0, TimeSpan.Zero);
-        var result = await repository.GetByDate(idDiscriminator, moment, filterRequest, paginationRequest, token);
+        var result = await repository.GetByDate(idDiscriminator, moment, paginationRequest, token);
 
         return Ok(result);
     }
 
     [HttpGet("moment/{idDiscriminator}")]
-    [ProducesResponseType(typeof(PaginationContainer<DataWithWellDepthAndSectionDto>), (int)HttpStatusCode.OK)]
+    [ProducesResponseType(typeof(PaginationContainer<ChangeLogValuesDto>), (int)HttpStatusCode.OK)]
     public async Task<IActionResult> GetByDate(
         [FromRoute] Guid idDiscriminator,
         DateTimeOffset moment,
-        [FromQuery] SectionPartRequest filterRequest,
         [FromQuery] PaginationRequest paginationRequest,
         CancellationToken token)
     {
-        var result = await repository.GetByDate(idDiscriminator, moment, filterRequest, paginationRequest, token);
+        var result = await repository.GetByDate(idDiscriminator, moment, paginationRequest, token);
 
         return Ok(result);
     }
@@ -155,9 +153,9 @@ public class ChangeLogController : ControllerBase, IChangeLogApi
     }
 
     [HttpGet("part/{idDiscriminator}")]
-    [ProducesResponseType(typeof(IEnumerable<DataWithWellDepthAndSectionDto>), (int)HttpStatusCode.OK)]
+    [ProducesResponseType(typeof(IEnumerable<ChangeLogValuesDto>), (int)HttpStatusCode.OK)]
     [ProducesResponseType((int)HttpStatusCode.NoContent)]
-    public async Task<ActionResult<IEnumerable<DataWithWellDepthAndSectionDto>>> GetPart([FromRoute] Guid idDiscriminator, DateTimeOffset dateBegin, int take = 86400, CancellationToken token = default)
+    public async Task<ActionResult<IEnumerable<ChangeLogValuesDto>>> GetPart([FromRoute] Guid idDiscriminator, DateTimeOffset dateBegin, int take = 86400, CancellationToken token = default)
     {
         var result = await repository.GetGtDate(idDiscriminator, dateBegin, token);
 
diff --git a/DD.Persistence.Client/Clients/ChangeLogClient.cs b/DD.Persistence.Client/Clients/ChangeLogClient.cs
index e4f5904..fa73ba9 100644
--- a/DD.Persistence.Client/Clients/ChangeLogClient.cs
+++ b/DD.Persistence.Client/Clients/ChangeLogClient.cs
@@ -7,16 +7,19 @@ using DD.Persistence.Client.Clients.Interfaces.Refit;
 using DD.Persistence.Models.Common;
 
 namespace DD.Persistence.Client.Clients;
+/// <inheritdoc/>
 public class ChangeLogClient : BaseClient, IChangeLogClient
 {
 	private readonly IRefitChangeLogClient refitChangeLogClient;
 
+    /// <inheritdoc/>
     public ChangeLogClient(IRefitClientFactory<IRefitChangeLogClient> refitClientFactory, ILogger<ChangeLogClient> logger) : base(logger)
 	{
 		this.refitChangeLogClient = refitClientFactory.Create();
     }
 
-	public async Task<int> ClearAndAddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token)
+    /// <inheritdoc/>
+	public async Task<int> ClearAndAddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token)
 	{
 		var result = await ExecuteGetResponse(
 			async () => await refitChangeLogClient.ClearAndAddRange(idDiscriminator, dtos, token), token);
@@ -24,15 +27,17 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
-	public async Task<PaginationContainer<DataWithWellDepthAndSectionDto>> GetByDate(Guid idDiscriminator, DateTimeOffset moment,
-		SectionPartRequest filterRequest, PaginationRequest paginationRequest, CancellationToken token)
+    /// <inheritdoc/>
+	public async Task<PaginationContainer<ChangeLogValuesDto>> GetByDate(Guid idDiscriminator, DateTimeOffset moment,
+		PaginationRequest paginationRequest, CancellationToken token)
 	{
 		var result = await ExecuteGetResponse(
-			async () => await refitChangeLogClient.GetByDate(idDiscriminator, moment, filterRequest, paginationRequest, token), token);
+			async () => await refitChangeLogClient.GetByDate(idDiscriminator, moment, paginationRequest, token), token);
 
-		return result;
+		return result!;
 	}
 
+    /// <inheritdoc/>
 	public async Task<IEnumerable<ChangeLogDto>> GetChangeLogForInterval(Guid idDiscriminator, DateTimeOffset dateBegin, DateTimeOffset dateEnd, CancellationToken token)
 	{
 		var result = await ExecuteGetResponse(
@@ -41,7 +46,8 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result!;
 	}
 
-	public async Task<int> Add(Guid idDiscriminator, DataWithWellDepthAndSectionDto dto, CancellationToken token)
+    /// <inheritdoc/>
+	public async Task<int> Add(Guid idDiscriminator, ChangeLogValuesDto dto, CancellationToken token)
 	{
 		var result = await ExecutePostResponse(
 			async () => await refitChangeLogClient.Add(idDiscriminator, dto, token), token);
@@ -49,7 +55,8 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
-	public async Task<int> AddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token)
+    /// <inheritdoc/>
+	public async Task<int> AddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token)
 	{
 		var result = await ExecutePostResponse(
 			async () => await refitChangeLogClient.AddRange(idDiscriminator, dtos, token), token);
@@ -57,7 +64,8 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
-	public async Task<int> Update(DataWithWellDepthAndSectionDto dto, CancellationToken token)
+    /// <inheritdoc/>
+	public async Task<int> Update(ChangeLogValuesDto dto, CancellationToken token)
 	{
 		var result = await ExecutePostResponse(
 			async () => await refitChangeLogClient.Update(dto, token), token);
@@ -65,7 +73,8 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
-	public async Task<int> UpdateRange(IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token)
+    /// <inheritdoc/>
+	public async Task<int> UpdateRange(IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token)
 	{
 		var result = await ExecutePostResponse(
 			async () => await refitChangeLogClient.UpdateRange(dtos, token), token);
@@ -73,6 +82,7 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
+    /// <inheritdoc/>
 	public async Task<int> Delete(Guid id, CancellationToken token)
 	{
 		var result = await ExecutePostResponse(
@@ -81,6 +91,7 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
+    /// <inheritdoc/>
 	public async Task<int> DeleteRange(IEnumerable<Guid> ids, CancellationToken token)
 	{
 		var result = await ExecutePostResponse(
@@ -89,6 +100,7 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
+    /// <inheritdoc/>
 	public async Task<DatesRangeDto?> GetDatesRange(Guid idDiscriminator, CancellationToken token)
 	{
 		var result = await ExecuteGetResponse(
@@ -97,6 +109,7 @@ public class ChangeLogClient : BaseClient, IChangeLogClient
 		return result;
 	}
 
+    /// <inheritdoc/>
 	public void Dispose()
 	{
 		refitChangeLogClient.Dispose();
diff --git a/DD.Persistence.Client/Clients/Interfaces/IChangeLogClient.cs b/DD.Persistence.Client/Clients/Interfaces/IChangeLogClient.cs
index f81ac8d..16a491c 100644
--- a/DD.Persistence.Client/Clients/Interfaces/IChangeLogClient.cs
+++ b/DD.Persistence.Client/Clients/Interfaces/IChangeLogClient.cs
@@ -16,7 +16,7 @@ public interface IChangeLogClient : IDisposable
 	/// <param name="dto"></param>
 	/// <param name="token"></param>
 	/// <returns></returns>
-	Task<int> Add(Guid idDiscriminator, DataWithWellDepthAndSectionDto dto, CancellationToken token);
+	Task<int> Add(Guid idDiscriminator, ChangeLogValuesDto dto, CancellationToken token);
 
 	/// <summary>
 	/// Добавить несколько записей
@@ -25,7 +25,7 @@ public interface IChangeLogClient : IDisposable
 	/// <param name="dtos"></param>
 	/// <param name="token"></param>
 	/// <returns></returns>
-	Task<int> AddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+	Task<int> AddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
 	/// <summary>
 	/// Импорт с заменой: удаление старых строк и добавление новых
@@ -34,7 +34,7 @@ public interface IChangeLogClient : IDisposable
 	/// <param name="dtos"></param>
 	/// <param name="token"></param>
 	/// <returns></returns>
-	Task<int> ClearAndAddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+	Task<int> ClearAndAddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
 	/// <summary>
 	/// Удалить одну запись
@@ -57,11 +57,10 @@ public interface IChangeLogClient : IDisposable
 	/// </summary>
 	/// <param name="idDiscriminator"></param>
 	/// <param name="moment"></param>
-	/// <param name="filterRequest"></param>
 	/// <param name="paginationRequest"></param>
 	/// <param name="token"></param>
 	/// <returns></returns>
-	Task<PaginationContainer<DataWithWellDepthAndSectionDto>> GetByDate(Guid idDiscriminator, DateTimeOffset moment, SectionPartRequest filterRequest, PaginationRequest paginationRequest, CancellationToken token);
+	Task<PaginationContainer<ChangeLogValuesDto>> GetByDate(Guid idDiscriminator, DateTimeOffset moment, PaginationRequest paginationRequest, CancellationToken token);
 
 	/// <summary>
 	/// Получение исторических данных за определенный период времени
@@ -87,7 +86,7 @@ public interface IChangeLogClient : IDisposable
 	/// <param name="dto"></param>
 	/// <param name="token"></param>
 	/// <returns></returns>
-	Task<int> Update(DataWithWellDepthAndSectionDto dto, CancellationToken token);
+	Task<int> Update(ChangeLogValuesDto dto, CancellationToken token);
 
 	/// <summary>
 	/// Обновить несколько записей
@@ -95,5 +94,5 @@ public interface IChangeLogClient : IDisposable
 	/// <param name="dtos"></param>
 	/// <param name="token"></param>
 	/// <returns></returns>
-	Task<int> UpdateRange(IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+	Task<int> UpdateRange(IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 }
\ No newline at end of file
diff --git a/DD.Persistence.Client/Clients/Interfaces/Refit/IRefitChangeLogClient.cs b/DD.Persistence.Client/Clients/Interfaces/Refit/IRefitChangeLogClient.cs
index 8e35b4e..a07fac3 100644
--- a/DD.Persistence.Client/Clients/Interfaces/Refit/IRefitChangeLogClient.cs
+++ b/DD.Persistence.Client/Clients/Interfaces/Refit/IRefitChangeLogClient.cs
@@ -5,42 +5,74 @@ using Refit;
 
 namespace DD.Persistence.Client.Clients.Interfaces.Refit;
 
+/// <summary>
+/// Refit интерфейс для IRefitChangeLogClient
+/// </summary>
 public interface IRefitChangeLogClient : IRefitClient, IDisposable
 {
     private const string BaseRoute = "/api/ChangeLog";
 
+    /// <summary>
+    /// Импорт с заменой: удаление старых строк и добавление новых
+    /// </summary>
     [Post($"{BaseRoute}/replace/{{idDiscriminator}}")]
-    Task<IApiResponse<int>> ClearAndAddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<IApiResponse<int>> ClearAndAddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
+    /// <summary>
+    /// Получение актуальных данных на определенную дату (с пагинацией)
+    /// </summary>
     [Get($"{BaseRoute}/moment/{{idDiscriminator}}")]
-    Task<IApiResponse<PaginationContainer<DataWithWellDepthAndSectionDto>>> GetByDate(
+    Task<IApiResponse<PaginationContainer<ChangeLogValuesDto>>> GetByDate(
 		Guid idDiscriminator,
         DateTimeOffset moment,
-        [Query] SectionPartRequest filterRequest,
         [Query] PaginationRequest paginationRequest, 
         CancellationToken token);
 
+    /// <summary>
+    /// Получение исторических данных за определенный период времени
+    /// </summary>
     [Get($"{BaseRoute}/history/{{idDiscriminator}}")]
     Task<IApiResponse<IEnumerable<ChangeLogDto>>> GetChangeLogForInterval(Guid idDiscriminator, DateTimeOffset dateBegin, DateTimeOffset dateEnd, CancellationToken token);
 
+    /// <summary>
+    /// Добавить одну запись
+    /// </summary>
     [Post($"{BaseRoute}/{{idDiscriminator}}")]
-    Task<IApiResponse<int>> Add(Guid idDiscriminator, DataWithWellDepthAndSectionDto dto, CancellationToken token);
+    Task<IApiResponse<int>> Add(Guid idDiscriminator, ChangeLogValuesDto dto, CancellationToken token);
 
+    /// <summary>
+    /// Добавить несколько записей
+    /// </summary>
     [Post($"{BaseRoute}/range/{{idDiscriminator}}")]
-    Task<IApiResponse<int>> AddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<IApiResponse<int>> AddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
+    /// <summary>
+    /// Обновить одну запись
+    /// </summary>
     [Put($"{BaseRoute}")]
-    Task<IApiResponse<int>> Update(DataWithWellDepthAndSectionDto dto, CancellationToken token);
+    Task<IApiResponse<int>> Update(ChangeLogValuesDto dto, CancellationToken token);
 
+    /// <summary>
+    /// Обновить несколько записей
+    /// </summary>
     [Put($"{BaseRoute}/range")]
-    Task<IApiResponse<int>> UpdateRange(IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<IApiResponse<int>> UpdateRange(IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
+    /// <summary>
+    /// Удалить одну запись
+    /// </summary>
     [Delete($"{BaseRoute}")]
     Task<IApiResponse<int>> Delete(Guid id, CancellationToken token);
 
+    /// <summary>
+    /// Удалить несколько записей
+    /// </summary>
     [Delete($"{BaseRoute}/range")]
     Task<IApiResponse<int>> DeleteRange([Body] IEnumerable<Guid> ids, CancellationToken token);
 
+    /// <summary>
+    /// Получение списка дат, в которые происходили изменения (день, месяц, год, без времени)
+    /// </summary>
     [Get($"{BaseRoute}/datesRange/{{idDiscriminator}}")]
     Task<IApiResponse<DatesRangeDto?>> GetDatesRange(Guid idDiscriminator, CancellationToken token);
 
diff --git a/DD.Persistence.Database/Entity/ChangeLog.cs b/DD.Persistence.Database/Entity/ChangeLog.cs
index d874ea2..7b489ea 100644
--- a/DD.Persistence.Database/Entity/ChangeLog.cs
+++ b/DD.Persistence.Database/Entity/ChangeLog.cs
@@ -10,7 +10,7 @@ namespace DD.Persistence.Database.Model;
 /// <summary>
 /// Часть записи, описывающая изменение
 /// </summary>
-public class ChangeLog : IChangeLog, IWithSectionPart
+public class ChangeLog : IChangeLog
 {
     [Key, Comment("Ключ записи")]
     public Guid Id { get; set; }
@@ -33,15 +33,6 @@ public class ChangeLog : IChangeLog, IWithSectionPart
     [Comment("Id заменяющей записи")]
     public Guid? IdNext { get; set; }
 
-    [Comment("Глубина забоя на дату начала интервала")]
-    public double DepthStart { get; set; }
-
-    [Comment("Глубина забоя на дату окончания интервала")]
-    public double DepthEnd { get; set; }
-
-    [Comment("Ключ секции")]
-    public Guid IdSection { get; set; }
-
     [Column(TypeName = "jsonb"), Comment("Значение")]
     public required IDictionary<string, object> Value { get; set; }
 }
diff --git a/DD.Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs b/DD.Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs
index 64419e7..947a196 100644
--- a/DD.Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs
+++ b/DD.Persistence.IntegrationTests/Controllers/ChangeLogControllerTest.cs
@@ -52,7 +52,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         var insertedCount = 10;
         var createdResult = CreateChangeLogItems(insertedCount, (-15, 15));
         var idDiscriminator = createdResult.Item1;
-        var dtos = createdResult.Item2.Select(e => e.Adapt<DataWithWellDepthAndSectionDto>());
+        var dtos = createdResult.Item2.Select(e => e.Adapt<ChangeLogValuesDto>());
 
         // act
         var result = await client.ClearAndAddRange(idDiscriminator, dtos, new CancellationToken());
@@ -106,8 +106,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         var entity = dbContext.ChangeLog
             .Where(x => x.IdDiscriminator == idDiscriminator)
             .FirstOrDefault();
-        dto = entity.Adapt<DataWithWellDepthAndSectionDto>();
-        dto.DepthEnd += 10;
+        dto = entity.Adapt<ChangeLogValuesDto>();
 
         // act
         result = await client.Update(dto, new CancellationToken());
@@ -149,12 +148,9 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         dbContext.ChangeLog.AddRange(entities);
         dbContext.SaveChanges();
 
-        dtos = entities.Select(c => new DataWithWellDepthAndSectionDto()
+        dtos = entities.Select(c => new ChangeLogValuesDto()
         {
-            DepthEnd = c.DepthEnd + 10,
-            DepthStart = c.DepthStart + 10,
             Id = c.Id,
-            IdSection = c.IdSection,
             Value = c.Value
         }).ToArray();
 
@@ -245,12 +241,6 @@ public class ChangeLogControllerTest : BaseIntegrationTest
 
         var deletedCount = await client.DeleteRange(idsToDelete, new CancellationToken());
 
-        var filterRequest = new SectionPartRequest()
-        {
-            DepthStart = 0,
-            DepthEnd = 1000,
-        };
-
         var paginationRequest = new PaginationRequest()
         {
             Skip = 0,
@@ -259,7 +249,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         };
 
         var moment = DateTimeOffset.UtcNow.AddDays(16);
-        var result = await client.GetByDate(idDiscriminator, moment, filterRequest, paginationRequest, new CancellationToken());
+        var result = await client.GetByDate(idDiscriminator, moment, paginationRequest, new CancellationToken());
 
         Assert.NotNull(result);
 
@@ -292,11 +282,7 @@ public class ChangeLogControllerTest : BaseIntegrationTest
         var idDiscriminator = changeLogItems.Item1;
         var entities = changeLogItems.Item2;
 
-        foreach (var entity in entities)
-        {
-            entity.DepthEnd += 10;
-        }
-        var dtos = entities.Select(e => e.Adapt<DataWithWellDepthAndSectionDto>()).ToArray();
+        var dtos = entities.Select(e => e.Adapt<ChangeLogValuesDto>()).ToArray();
         await client.UpdateRange(dtos, new CancellationToken());
 
         //act
@@ -310,19 +296,16 @@ public class ChangeLogControllerTest : BaseIntegrationTest
     }
 
 
-    private static IEnumerable<DataWithWellDepthAndSectionDto> Generate(int count)
+    private static IEnumerable<ChangeLogValuesDto> Generate(int count)
     {
         for (int i = 0; i < count; i++)
-            yield return new DataWithWellDepthAndSectionDto()
+            yield return new ChangeLogValuesDto()
             {
                 Value = new Dictionary<string, object>()
                 {
                     { "Key", 1 }
                 },
-                DepthStart = generatorRandomDigits.Next(1, 5),
-                DepthEnd = generatorRandomDigits.Next(5, 15),
-                Id = Guid.NewGuid(),
-                IdSection = Guid.NewGuid()
+                Id = Guid.NewGuid()
             };
 
     }
diff --git a/DD.Persistence.Models/ChangeLogDto.cs b/DD.Persistence.Models/ChangeLogDto.cs
index 8f2725b..d277bd8 100644
--- a/DD.Persistence.Models/ChangeLogDto.cs
+++ b/DD.Persistence.Models/ChangeLogDto.cs
@@ -38,5 +38,5 @@ public class ChangeLogDto
     /// <summary>
     /// Объект записи
     /// </summary>
-    public DataWithWellDepthAndSectionDto Value { get; set; } = default!;
+    public ChangeLogValuesDto Value { get; set; } = default!;
 }
diff --git a/DD.Persistence.Models/ChangeLogValuesDto.cs b/DD.Persistence.Models/ChangeLogValuesDto.cs
new file mode 100644
index 0000000..548a7ba
--- /dev/null
+++ b/DD.Persistence.Models/ChangeLogValuesDto.cs
@@ -0,0 +1,17 @@
+namespace DD.Persistence.Models;
+
+/// <summary>
+/// Dto для хранения записей, содержащих начальную и конечную глубину забоя, а также секцию
+/// </summary>
+public class ChangeLogValuesDto
+{
+    /// <summary>
+    /// Ключ записи
+    /// </summary>
+    public Guid Id { get; set; }
+
+    /// <summary>
+    /// Объект записи
+    /// </summary>
+    public required IDictionary<string, object> Value { get; set; }
+}
diff --git a/DD.Persistence.Models/DataWithWellDepthAndSectionDto.cs b/DD.Persistence.Models/DataWithWellDepthAndSectionDto.cs
deleted file mode 100644
index 7644229..0000000
--- a/DD.Persistence.Models/DataWithWellDepthAndSectionDto.cs
+++ /dev/null
@@ -1,32 +0,0 @@
-namespace DD.Persistence.Models;
-
-/// <summary>
-/// Dto для хранения записей, содержащих начальную и конечную глубину забоя, а также секцию
-/// </summary>
-public class DataWithWellDepthAndSectionDto
-{
-    /// <summary>
-    /// Ключ записи
-    /// </summary>
-    public Guid Id { get; set; }
-
-    /// <summary>
-    /// Глубина забоя на дату начала интервала
-    /// </summary>
-    public double DepthStart { get; set; }
-
-    /// <summary>
-    /// Глубина забоя на дату окончания интервала
-    /// </summary>
-    public double DepthEnd { get; set; }
-
-    /// <summary>
-    /// Ключ секции
-    /// </summary>
-    public Guid IdSection { get; set; }
-
-    /// <summary>
-    /// Объект записи
-    /// </summary>
-    public required IDictionary<string, object> Value { get; set; }
-}
diff --git a/DD.Persistence.Models/IWithSectionPart.cs b/DD.Persistence.Models/IWithSectionPart.cs
deleted file mode 100644
index 0d3ff1f..0000000
--- a/DD.Persistence.Models/IWithSectionPart.cs
+++ /dev/null
@@ -1,9 +0,0 @@
-namespace DD.Persistence.ModelsAbstractions;
-public interface IWithSectionPart
-{
-    public double DepthStart { get; set; }
-
-    public double DepthEnd { get; set; }
-
-    public Guid IdSection { get; set; }
-}
diff --git a/DD.Persistence.Models/Requests/SectionPartRequest.cs b/DD.Persistence.Models/Requests/SectionPartRequest.cs
deleted file mode 100644
index 73319c6..0000000
--- a/DD.Persistence.Models/Requests/SectionPartRequest.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-namespace DD.Persistence.Models.Requests;
-
-/// <summary>
-/// Запрос для фильтрации данных по секции и глубине
-/// </summary>
-public class SectionPartRequest
-{
-    /// <summary>
-    /// Глубина забоя на дату начала интервала
-    /// </summary>
-    public double? DepthStart { get; set; }
-
-    /// <summary>
-    /// Глубина забоя на дату окончания интервала
-    /// </summary>
-    public double? DepthEnd { get; set; }
-
-    /// <summary>
-    /// Ключ секции
-    /// </summary>
-    public Guid? IdSection { get; set; }
-}
diff --git a/DD.Persistence.Repository/DependencyInjection.cs b/DD.Persistence.Repository/DependencyInjection.cs
index d0a5d37..1424d37 100644
--- a/DD.Persistence.Repository/DependencyInjection.cs
+++ b/DD.Persistence.Repository/DependencyInjection.cs
@@ -18,11 +18,8 @@ public static class DependencyInjection
             .Ignore(dest => dest.System, dest => dest.SystemId);
 
         TypeAdapterConfig<ChangeLog, ChangeLogDto>.NewConfig()
-           .Map(dest => dest.Value, src => new DataWithWellDepthAndSectionDto()
+           .Map(dest => dest.Value, src => new ChangeLogValuesDto()
            {
-               DepthEnd = src.DepthEnd,
-               DepthStart = src.DepthStart,
-               IdSection = src.IdSection,
                Value = src.Value,
                Id = src.Id
            });
diff --git a/DD.Persistence.Repository/QueryBuilders.cs b/DD.Persistence.Repository/QueryBuilders.cs
index 53e72a4..52b6429 100644
--- a/DD.Persistence.Repository/QueryBuilders.cs
+++ b/DD.Persistence.Repository/QueryBuilders.cs
@@ -12,25 +12,6 @@ namespace DD.Persistence.Repository;
 /// </summary>
 public static class QueryBuilders
 {
-    public static IQueryable<TEntity> Apply<TEntity>(this IQueryable<TEntity> query, SectionPartRequest request)
-        where TEntity : class, IWithSectionPart
-    {
-        if (request.IdSection.HasValue)
-        {
-            query = query.Where(e => e.IdSection == request.IdSection);
-        }
-        if (request.DepthStart.HasValue)
-        {
-            query = query.Where(e => e.DepthStart >= request.DepthStart);
-        }
-        if (request.DepthEnd.HasValue)
-        {
-            query = query.Where(e => e.DepthEnd <= request.DepthEnd);
-        }
-
-        return query;
-    }
-
     public static IQueryable<TEntity> Apply<TEntity>(this IQueryable<TEntity> query, DateTimeOffset momentUtc)
     where TEntity : class, IChangeLog
     {
@@ -49,17 +30,10 @@ public static class QueryBuilders
         PaginationRequest request,
         Func<TEntity, TDto> Convert,
         CancellationToken token)
-       where TEntity : class, IWithSectionPart
+       where TEntity : class
        where TDto : class
     {
-        if (String.IsNullOrEmpty(request.SortSettings))
-        {
-            query = query
-               .OrderBy(e => e.IdSection)
-               .ThenBy(e => e.DepthStart)
-               .ThenBy(e => e.DepthEnd);
-        }
-        else
+        if (!String.IsNullOrEmpty(request.SortSettings))
         {
             query = query.SortBy(request.SortSettings);
         }
diff --git a/DD.Persistence.Repository/Repositories/ChangeLogRepository.cs b/DD.Persistence.Repository/Repositories/ChangeLogRepository.cs
index 60fe08e..ebb3859 100644
--- a/DD.Persistence.Repository/Repositories/ChangeLogRepository.cs
+++ b/DD.Persistence.Repository/Repositories/ChangeLogRepository.cs
@@ -17,7 +17,7 @@ public class ChangeLogRepository : IChangeLogRepository
         this.db = db;
     }
 
-    public async Task<int> AddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token)
+    public async Task<int> AddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token)
     {
         var entities = new List<ChangeLog>();
         foreach (var dto in dtos)
@@ -76,7 +76,7 @@ public class ChangeLogRepository : IChangeLogRepository
         return await db.SaveChangesAsync(token);
     }
 
-    public async Task<int> ClearAndAddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token)
+    public async Task<int> ClearAndAddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token)
     {
         var result = 0;
 
@@ -91,7 +91,7 @@ public class ChangeLogRepository : IChangeLogRepository
         return result;
     }
 
-    public async Task<int> UpdateRange(Guid idEditor, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token)
+    public async Task<int> UpdateRange(Guid idEditor, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token)
     {
         var dbSet = db.Set<ChangeLog>();
 
@@ -127,16 +127,14 @@ public class ChangeLogRepository : IChangeLogRepository
 
     }
 
-    public async Task<PaginationContainer<DataWithWellDepthAndSectionDto>> GetByDate(
+    public async Task<PaginationContainer<ChangeLogValuesDto>> GetByDate(
        Guid idDiscriminator,
        DateTimeOffset momentUtc,
-       SectionPartRequest filterRequest,
        PaginationRequest paginationRequest,
        CancellationToken token)
     {
         var query = CreateQuery(idDiscriminator);
         query = query.Apply(momentUtc);
-        query = query.Apply(filterRequest);
 
         var result = await query.ApplyPagination(paginationRequest, Convert, token);
 
@@ -196,7 +194,7 @@ public class ChangeLogRepository : IChangeLogRepository
         return datesOnly;
     }
 
-    private static ChangeLog CreateEntityFromDto(Guid idAuthor, Guid idDiscriminator, DataWithWellDepthAndSectionDto dto)
+    private static ChangeLog CreateEntityFromDto(Guid idAuthor, Guid idDiscriminator, ChangeLogValuesDto dto)
     {
         var entity = new ChangeLog()
         {
@@ -206,16 +204,13 @@ public class ChangeLogRepository : IChangeLogRepository
             IdDiscriminator = idDiscriminator,
             IdEditor = idAuthor,
 
-            Value = dto.Value,
-            IdSection = dto.IdSection,
-            DepthStart = dto.DepthStart,
-            DepthEnd = dto.DepthEnd,
+            Value = dto.Value
         };
 
         return entity;
     }
 
-    public async Task<IEnumerable<DataWithWellDepthAndSectionDto>> GetGtDate(Guid idDiscriminator, DateTimeOffset dateBegin, CancellationToken token)
+    public async Task<IEnumerable<ChangeLogValuesDto>> GetGtDate(Guid idDiscriminator, DateTimeOffset dateBegin, CancellationToken token)
     {
         var date = dateBegin.ToUniversalTime();
         var query = this.db.Set<ChangeLog>()
@@ -256,5 +251,5 @@ public class ChangeLogRepository : IChangeLogRepository
         };
     }
 
-    private DataWithWellDepthAndSectionDto Convert(ChangeLog entity) => entity.Adapt<DataWithWellDepthAndSectionDto>();
+    private ChangeLogValuesDto Convert(ChangeLog entity) => entity.Adapt<ChangeLogValuesDto>();
 }
diff --git a/DD.Persistence.Test/TimestampedValuesServiceShould.cs b/DD.Persistence.Test/TimestampedValuesServiceShould.cs
index 5f3e65b..0acb6de 100644
--- a/DD.Persistence.Test/TimestampedValuesServiceShould.cs
+++ b/DD.Persistence.Test/TimestampedValuesServiceShould.cs
@@ -18,11 +18,14 @@ public class TimestampedValuesServiceShould
     [Fact]
     public async Task TestServiceEfficiency()
     {
-        var discriminatorId = Guid.NewGuid();
+        var discriminatorIds = new[] { Guid.NewGuid(), Guid.NewGuid() };
         const int count = 10;
         var dtos = Generate(count, DateTimeOffset.UtcNow);
         var addRangeResult = await timestampedValuesService
-            .AddRange(discriminatorId, dtos, CancellationToken.None);
+            .AddRange(discriminatorIds.First(), dtos, CancellationToken.None);
+        Assert.Equal(0, addRangeResult);
+        addRangeResult = await timestampedValuesService
+            .AddRange(discriminatorIds.Last(), dtos, CancellationToken.None);
         Assert.Equal(0, addRangeResult);
 
         var columnNames = new[] { "A", "B", "C", "D" };
@@ -30,7 +33,7 @@ public class TimestampedValuesServiceShould
             .AddHours(-1)
             .ToUniversalTime();
         var getResult = await timestampedValuesService
-            .Get(discriminatorId, geTimestamp, columnNames, 0, count, CancellationToken.None);
+            .Get(discriminatorIds, geTimestamp, columnNames, 0, count, CancellationToken.None);
         Assert.NotNull(getResult);
         Assert.Empty(getResult);
     }
diff --git a/DD.Persistence/API/IChangeLogApi.cs b/DD.Persistence/API/IChangeLogApi.cs
index e865894..5389ba2 100644
--- a/DD.Persistence/API/IChangeLogApi.cs
+++ b/DD.Persistence/API/IChangeLogApi.cs
@@ -7,7 +7,7 @@ namespace DD.Persistence.API;
 /// <summary>
 /// Интерфейс для работы с API журнала изменений
 /// </summary>
-public interface IChangeLogApi : ISyncWithDiscriminatorApi<DataWithWellDepthAndSectionDto>
+public interface IChangeLogApi : ISyncWithDiscriminatorApi<ChangeLogValuesDto>
 {
     /// <summary>
     /// Импорт с заменой: удаление старых строк и добавление новых
@@ -16,28 +16,26 @@ public interface IChangeLogApi : ISyncWithDiscriminatorApi<DataWithWellDepthAndS
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> ClearAndAddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<IActionResult> ClearAndAddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
     /// <summary>
     /// Получение данных на текущую дату (с пагинацией)
     /// </summary>
     /// <param name="idDiscriminator"></param>
-    /// <param name="filterRequest">параметры запроса фильтрации</param>
     /// <param name="paginationRequest">параметры запроса пагинации</param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> GetCurrent(Guid idDiscriminator, SectionPartRequest filterRequest, PaginationRequest paginationRequest, CancellationToken token);
+    Task<IActionResult> GetCurrent(Guid idDiscriminator, PaginationRequest paginationRequest, CancellationToken token);
 
     /// <summary>
     /// Получение данных на определенную дату (с пагинацией)
     /// </summary>
     /// <param name="idDiscriminator"></param>
     /// <param name="moment"></param>
-    /// <param name="filterRequest">параметры запроса фильтрации</param>
     /// <param name="paginationRequest">параметры запроса пагинации</param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> GetByDate(Guid idDiscriminator, DateTimeOffset moment, SectionPartRequest filterRequest, PaginationRequest paginationRequest, CancellationToken token);
+    Task<IActionResult> GetByDate(Guid idDiscriminator, DateTimeOffset moment, PaginationRequest paginationRequest, CancellationToken token);
 
     /// <summary>
     /// Получение исторических данных за определенный период времени
@@ -56,7 +54,7 @@ public interface IChangeLogApi : ISyncWithDiscriminatorApi<DataWithWellDepthAndS
     /// <param name="dto"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> Add(Guid idDiscriminator, DataWithWellDepthAndSectionDto dto, CancellationToken token);
+    Task<IActionResult> Add(Guid idDiscriminator, ChangeLogValuesDto dto, CancellationToken token);
 
     /// <summary>
     /// Добавить несколько записей
@@ -65,7 +63,7 @@ public interface IChangeLogApi : ISyncWithDiscriminatorApi<DataWithWellDepthAndS
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> AddRange(Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<IActionResult> AddRange(Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
     /// <summary>
     /// Обновить одну запись
@@ -73,7 +71,7 @@ public interface IChangeLogApi : ISyncWithDiscriminatorApi<DataWithWellDepthAndS
     /// <param name="dto"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> Update(DataWithWellDepthAndSectionDto dto, CancellationToken token);
+    Task<IActionResult> Update(ChangeLogValuesDto dto, CancellationToken token);
 
     /// <summary>
     /// Обновить несколько записей
@@ -81,7 +79,7 @@ public interface IChangeLogApi : ISyncWithDiscriminatorApi<DataWithWellDepthAndS
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<IActionResult> UpdateRange(IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<IActionResult> UpdateRange(IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
     /// <summary>
     /// Удалить одну запись
diff --git a/DD.Persistence/Repositories/IChangeLogRepository.cs b/DD.Persistence/Repositories/IChangeLogRepository.cs
index 6c39e24..3305e65 100644
--- a/DD.Persistence/Repositories/IChangeLogRepository.cs
+++ b/DD.Persistence/Repositories/IChangeLogRepository.cs
@@ -8,7 +8,7 @@ namespace DD.Persistence.Repositories;
 /// Интерфейс для работы с историческими данными
 /// </summary>
 /// <typeparam name="TDto"></typeparam>
-public interface IChangeLogRepository : ISyncWithDiscriminatorRepository<DataWithWellDepthAndSectionDto>
+public interface IChangeLogRepository : ISyncWithDiscriminatorRepository<ChangeLogValuesDto>
 {
     /// <summary>
     /// Добавление записей
@@ -18,7 +18,7 @@ public interface IChangeLogRepository : ISyncWithDiscriminatorRepository<DataWit
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<int> AddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<int> AddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
     /// <summary>
     /// Пометить записи как удаленные
@@ -46,7 +46,7 @@ public interface IChangeLogRepository : ISyncWithDiscriminatorRepository<DataWit
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<int> ClearAndAddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<int> ClearAndAddRange(Guid idAuthor, Guid idDiscriminator, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
     /// <summary>
     /// Редактирование записей
@@ -55,18 +55,17 @@ public interface IChangeLogRepository : ISyncWithDiscriminatorRepository<DataWit
     /// <param name="dtos"></param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<int> UpdateRange(Guid idEditor, IEnumerable<DataWithWellDepthAndSectionDto> dtos, CancellationToken token);
+    Task<int> UpdateRange(Guid idEditor, IEnumerable<ChangeLogValuesDto> dtos, CancellationToken token);
 
     /// <summary>
     /// Получение актуальных записей на определенный момент времени (с пагинацией)
     /// </summary>
     /// <param name="idDiscriminator"></param>
     /// <param name="moment">текущий момент времени</param>
-    /// <param name="filterRequest">параметры запроса фильтрации</param>
     /// <param name="paginationRequest">параметры запроса пагинации</param>
     /// <param name="token"></param>
     /// <returns></returns>
-    Task<PaginationContainer<DataWithWellDepthAndSectionDto>> GetByDate(Guid idDiscriminator, DateTimeOffset moment, SectionPartRequest filterRequest, PaginationRequest paginationRequest, CancellationToken token);
+    Task<PaginationContainer<ChangeLogValuesDto>> GetByDate(Guid idDiscriminator, DateTimeOffset moment, PaginationRequest paginationRequest, CancellationToken token);
 
     /// <summary>
     /// Получение измененных записей за период времени