diff --git a/AsbCloudApp/Services/IRepositoryWellRelated.cs b/AsbCloudApp/Services/IRepositoryWellRelated.cs
index f608fd04..112cff89 100644
--- a/AsbCloudApp/Services/IRepositoryWellRelated.cs
+++ b/AsbCloudApp/Services/IRepositoryWellRelated.cs
@@ -20,7 +20,7 @@ namespace AsbCloudApp.Services
         /// <param name="idWell">id скважины</param>
         /// <param name="token"></param>
         /// <returns>emptyList if nothing found</returns>
-        Task<IEnumerable<Tdto>?> GetByIdWellAsync(int idWell, CancellationToken token);
+        Task<IEnumerable<Tdto>> GetByIdWellAsync(int idWell, CancellationToken token);
 
         /// <summary>
         /// Получение всех записей по нескольким скважинам
@@ -28,7 +28,7 @@ namespace AsbCloudApp.Services
         /// <param name="idsWells">id скважин</param>
         /// <param name="token"></param>
         /// <returns>emptyList if nothing found</returns>
-        Task<IEnumerable<Tdto>?> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token);
+        Task<IEnumerable<Tdto>> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token);
     }
 #nullable disable
 }
\ No newline at end of file
diff --git a/AsbCloudInfrastructure/Repository/CrudWellRelatedCacheRepositoryBase.cs b/AsbCloudInfrastructure/Repository/CrudWellRelatedCacheRepositoryBase.cs
index c392426f..1646cb51 100644
--- a/AsbCloudInfrastructure/Repository/CrudWellRelatedCacheRepositoryBase.cs
+++ b/AsbCloudInfrastructure/Repository/CrudWellRelatedCacheRepositoryBase.cs
@@ -21,7 +21,7 @@ namespace AsbCloudInfrastructure.Repository
         public CrudWellRelatedCacheRepositoryBase(IAsbCloudDbContext context, IMemoryCache memoryCache, Func<DbSet<TEntity>, IQueryable<TEntity>> makeQuery)
             : base(context, memoryCache, makeQuery) { }
 
-        public async Task<IEnumerable<TDto>?> GetByIdWellAsync(int idWell, CancellationToken token)
+        public async Task<IEnumerable<TDto>> GetByIdWellAsync(int idWell, CancellationToken token)
         {
             var cache = await GetCacheAsync(token);
 
@@ -32,7 +32,7 @@ namespace AsbCloudInfrastructure.Repository
             return dtos;
         }
 
-        public async Task<IEnumerable<TDto>?> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token)
+        public async Task<IEnumerable<TDto>> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token)
         {
             if (!idsWells.Any())
                 return Enumerable.Empty<TDto>();
diff --git a/AsbCloudInfrastructure/Repository/CrudWellRelatedRepositoryBase.cs b/AsbCloudInfrastructure/Repository/CrudWellRelatedRepositoryBase.cs
index 982d49e1..fa88b576 100644
--- a/AsbCloudInfrastructure/Repository/CrudWellRelatedRepositoryBase.cs
+++ b/AsbCloudInfrastructure/Repository/CrudWellRelatedRepositoryBase.cs
@@ -20,7 +20,7 @@ namespace AsbCloudInfrastructure.Repository
         public CrudWellRelatedRepositoryBase(IAsbCloudDbContext context, Func<DbSet<TEntity>, IQueryable<TEntity>> makeQuery)
             : base(context, makeQuery) { }
 
-        public async Task<IEnumerable<TDto>?> GetByIdWellAsync(int idWell, CancellationToken token)
+        public async Task<IEnumerable<TDto>> GetByIdWellAsync(int idWell, CancellationToken token)
         {
             var entities = await GetQuery()
                .Where(e => e.IdWell == idWell)
@@ -29,7 +29,7 @@ namespace AsbCloudInfrastructure.Repository
             return dtos;
         }
 
-        public async Task<IEnumerable<TDto>?> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token)
+        public async Task<IEnumerable<TDto>> GetByIdWellAsync(IEnumerable<int> idsWells, CancellationToken token)
         {
             if (!idsWells.Any())
                 return Enumerable.Empty<TDto>();