diff --git a/AsbCloudApp/Services/IWellCompositeService.cs b/AsbCloudApp/Services/IWellCompositeService.cs
new file mode 100644
index 00000000..16132642
--- /dev/null
+++ b/AsbCloudApp/Services/IWellCompositeService.cs
@@ -0,0 +1,16 @@
+using AsbCloudApp.Data;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace AsbCloudApp.Services
+{
+    public interface IWellCompositeService
+    {
+        Task<IEnumerable<WellCompositeDto>> GetAsync(int idWell, CancellationToken cancellationToken);
+        Task<int> SaveAsync(int idWell, IEnumerable<WellCompositeDto> wellComposites, CancellationToken token);
+    }
+}
diff --git a/AsbCloudDb/Model/AsbCloudDbContext.cs b/AsbCloudDb/Model/AsbCloudDbContext.cs
index de3c3473..b8fdb54a 100644
--- a/AsbCloudDb/Model/AsbCloudDbContext.cs
+++ b/AsbCloudDb/Model/AsbCloudDbContext.cs
@@ -14,7 +14,6 @@ namespace AsbCloudDb.Model
     {
         public virtual DbSet<Cluster> Clusters { get; set; }
         public virtual DbSet<Company> Companies { get; set; }
-        public virtual DbSet<WellComposite> WellComposites { get; set; }
         public virtual DbSet<Deposit> Deposits { get; set; }
         public virtual DbSet<FileCategory> FileCategories { get; set; }
         public virtual DbSet<FileInfo> Files { get; set; }
@@ -31,6 +30,7 @@ namespace AsbCloudDb.Model
         public virtual DbSet<User> Users { get; set; }
         public virtual DbSet<UserRole> UserRoles { get; set; }
         public virtual DbSet<Well> Wells { get; set; }
+        public virtual DbSet<WellComposite> WellComposites { get; set; }
         public virtual DbSet<WellOperation> WellOperations { get; set; }
         public virtual DbSet<WellOperationCategory> WellOperationCategories { get; set; }
         public virtual DbSet<WellSectionType> WellSectionTypes { get; set; }
diff --git a/AsbCloudDb/Model/IAsbCloudDbContext.cs b/AsbCloudDb/Model/IAsbCloudDbContext.cs
index 7184c3e0..565fb4c9 100644
--- a/AsbCloudDb/Model/IAsbCloudDbContext.cs
+++ b/AsbCloudDb/Model/IAsbCloudDbContext.cs
@@ -26,6 +26,7 @@ namespace AsbCloudDb.Model
         DbSet<WellOperationCategory> WellOperationCategories { get; set; }
         DbSet<TelemetryAnalysis> TelemetryAnalysis { get; set; }
         DbSet<Well> Wells { get; set; }
+        DbSet<WellComposite> WellComposites { get; set; }
         DbSet<WellSectionType> WellSectionTypes { get; set; }
         DbSet<WellOperation> WellOperations { get; set; }
         DbSet<WellType> WellTypes { get; set; }
diff --git a/AsbCloudInfrastructure/Services/WellCompositeService.cs b/AsbCloudInfrastructure/Services/WellCompositeService.cs
new file mode 100644
index 00000000..e00a89d7
--- /dev/null
+++ b/AsbCloudInfrastructure/Services/WellCompositeService.cs
@@ -0,0 +1,44 @@
+using AsbCloudApp.Data;
+using AsbCloudApp.Services;
+using AsbCloudDb.Model;
+using Mapster;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace AsbCloudInfrastructure.Services
+{
+    public class WellCompositeService : IWellCompositeService
+    {
+        private readonly IAsbCloudDbContext context;
+
+        public WellCompositeService(IAsbCloudDbContext context)
+        {
+            this.context = context;
+        }
+
+        public async Task<IEnumerable<WellCompositeDto>> GetAsync(int idWell, CancellationToken token)
+        {
+            var entities = await context.WellComposites
+                .Where(c => c.IdWell == idWell)
+                .AsNoTracking()
+                .ToListAsync(token)
+                .ConfigureAwait(false);
+            return entities.Adapt<WellCompositeDto>();
+        }
+
+        public Task<int> SaveAsync(int idWell, IEnumerable<WellCompositeDto> wellComposites, CancellationToken token)
+        {
+            context.WellComposites.RemoveRange(context.WellComposites
+                .Where(c => c.IdWell == idWell));
+            var entities = wellComposites
+                .Adapt<WellComposite>(s => s.IdWell = idWell);
+            context.WellComposites.AddRange(entities);
+            return context.SaveChangesAsync(token);
+        }
+    }
+}
diff --git a/AsbCloudWebApi/Controllers/WellCompositeController.cs b/AsbCloudWebApi/Controllers/WellCompositeController.cs
new file mode 100644
index 00000000..5db2d4fd
--- /dev/null
+++ b/AsbCloudWebApi/Controllers/WellCompositeController.cs
@@ -0,0 +1,66 @@
+using AsbCloudApp.Data;
+using AsbCloudApp.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace AsbCloudWebApi.Controllers
+{
+    [Route("api/well/{idWell}/composite")]
+    [ApiController]
+    [Authorize]
+    public class WellCompositeController : ControllerBase
+    {
+        private readonly IWellCompositeService service;
+        private readonly IWellService wellService;
+
+        public WellCompositeController(IWellCompositeService service, IWellService wellService)
+        {
+            this.service = service;
+            this.wellService = wellService;
+        }
+
+        /// <summary>
+        /// Получает композитную скважину для скважины
+        /// </summary>
+        /// <param name="idWell">id скважины для которой собрана композитная скважина</param>
+        /// <param name="token"></param>
+        /// <returns></returns>
+        [HttpGet]
+        [ProducesResponseType(typeof(IEnumerable<WellCompositeDto>), (int)System.Net.HttpStatusCode.OK)]
+        public async Task<IActionResult> GetAsync(int idWell, CancellationToken token = default)
+        {
+            if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))
+                return Forbid();
+
+            var result = await service.GetAsync(idWell, token).ConfigureAwait(false);
+            return Ok(result);
+        }
+
+        /// <summary>
+        /// Создает или заменяет композитную скважину для скважины с idWell
+        /// </summary>
+        /// <param name="idWell">id скважины для которой собрана композитная скважина</param>
+        /// <param name="wellComposites">Секции композитной скважины</param>
+        /// <param name="token"></param>
+        /// <returns></returns>
+        [HttpPost]
+        public async Task<IActionResult> SaveAsync(int idWell, IEnumerable<WellCompositeDto> wellComposites, CancellationToken token = default)
+        {
+            if (!await CanUserAccessToWellAsync(idWell, token).ConfigureAwait(false))
+                return Forbid();
+
+            var result = await service.SaveAsync(idWell, wellComposites, token).ConfigureAwait(false);
+            return Ok(result);
+        }
+
+        private async Task<bool> CanUserAccessToWellAsync(int idWell, CancellationToken token = default)
+        {
+            int? idCompany = User.GetCompanyId();
+            return idCompany is not null && await wellService.IsCompanyInvolvedInWellAsync((int)idCompany,
+                idWell, token).ConfigureAwait(false);
+        }
+    }
+}