diff --git a/app/DAL/Studies.php b/app/DAL/Studies.php
index 5ba6751..6db1ca5 100644
--- a/app/DAL/Studies.php
+++ b/app/DAL/Studies.php
@@ -2,12 +2,8 @@
 
 namespace App\DAL;
 
-use App\Models\Enums\ReportStatus;
-use App\Models\Study;
 use Cache;
 use DB;
-use Illuminate\Contracts\Pagination\LengthAwarePaginator;
-use Illuminate\Database\Query\Builder;
 
 final readonly class Studies
 {
@@ -19,70 +15,4 @@ public static function getStudyIdByOrthancUuid(string $orthanc_uuid): ?int
                 ->where('orthanc_uuid', strtolower($orthanc_uuid))
                 ->value('id'));
     }
-
-    private static function assignedStudiesQuery(?int $user_id = null): Builder
-    {
-        $user_id = (int) ($user_id ?? auth()->id());
-
-        return Study::active()
-            ->where('assigned_physician_id', $user_id)
-            ->orderBy('study_priority', 'desc')
-            ->orderBy('received_at', 'asc');
-    }
-
-    public static function getAllAssignedStudies(?int $user_id = null): LengthAwarePaginator
-    {
-        return self::assignedStudiesQuery($user_id)
-            ->paginate(user_per_page());
-    }
-
-    public static function getPendingAssignedStudies(?int $user_id = null): LengthAwarePaginator
-    {
-        return self::assignedStudiesQuery($user_id)
-            ->where('report_status', '<', ReportStatus::Finalized->value)
-            ->paginate(user_per_page());
-    }
-
-    public static function getCompletedAssignedStudies(?int $user_id = null): LengthAwarePaginator
-    {
-        return self::assignedStudiesQuery($user_id)
-            ->where('report_status', '=', ReportStatus::Signed->value)
-            ->paginate(user_per_page());
-    }
-
-    private static function institutedStudiesQuery(): Builder
-    {
-        $query = Study::active();
-        $facility_id = auth()->user()->facility_id;
-        if ($facility_id) {
-            $query = $query->where('facility_id', $facility_id);
-        } else {
-            $institute_id = auth()->user()->institute_id;
-            $query = $query->where('institute_id', $institute_id);
-        }
-
-        return $query
-            ->orderBy('study_priority', 'desc')
-            ->orderBy('received_at', 'asc');
-    }
-
-    public static function getAllInstituteStudies(?int $user_id = null): LengthAwarePaginator
-    {
-        return self::institutedStudiesQuery($user_id)
-            ->paginate(user_per_page());
-    }
-
-    public static function getPendingInstituteStudies(?int $user_id = null): LengthAwarePaginator
-    {
-        return self::institutedStudiesQuery($user_id)
-            ->where('report_status', '<', ReportStatus::Finalized->value)
-            ->paginate(user_per_page());
-    }
-
-    public static function getCompletedInstituteStudies(?int $user_id = null): LengthAwarePaginator
-    {
-        return self::institutedStudiesQuery($user_id)
-            ->where('report_status', '=', ReportStatus::Signed->value)
-            ->paginate(user_per_page());
-    }
 }
diff --git a/app/DAL/UserStudies.php b/app/DAL/UserStudies.php
new file mode 100644
index 0000000..ea7f03e
--- /dev/null
+++ b/app/DAL/UserStudies.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace App\DAL;
+
+use App\Models\Enums\ReportStatus;
+use App\Models\Study;
+use Illuminate\Contracts\Pagination\LengthAwarePaginator;
+use Illuminate\Database\Query\Builder;
+
+final readonly class UserStudies
+{
+    private static function assignedStudiesQuery(?int $user_id = null): Builder
+    {
+        $user_id = (int) ($user_id ?? auth()->id());
+
+        return self::defaultSortQuery(
+            Study::active()->where('assigned_physician_id', $user_id)
+        );
+    }
+
+    public static function assignedAll(?int $user_id = null): LengthAwarePaginator
+    {
+        return self::assignedStudiesQuery($user_id)
+            ->paginate(user_per_page());
+    }
+
+    private static function reportCompleteQuery(Builder $query): Builder
+    {
+        return $query->where('report_status', '=', ReportStatus::Signed->value);
+    }
+
+    private static function defaultSortQuery(Builder $query): Builder
+    {
+        return $query
+            ->orderBy('study_priority', 'desc')
+            ->orderBy('received_at', 'asc');
+    }
+
+    private static function reportPendingQuery(Builder $query): Builder
+    {
+        return $query->where('report_status', '<', ReportStatus::Finalized->value);
+    }
+
+    public static function assignedPending(?int $user_id = null): LengthAwarePaginator
+    {
+        return self::reportPendingQuery(self::assignedStudiesQuery($user_id))
+            ->paginate(user_per_page());
+    }
+
+    public static function assignedCompleted(?int $user_id = null): LengthAwarePaginator
+    {
+        return self::reportCompleteQuery(self::assignedStudiesQuery($user_id))
+            ->paginate(user_per_page());
+    }
+
+    private static function institutedStudiesQuery(): Builder
+    {
+        $query = Study::active();
+        $facility_id = auth()->user()->facility_id;
+        if ($facility_id) {
+            $query = $query->where('facility_id', $facility_id);
+        } else {
+            $institute_id = auth()->user()->institute_id;
+            $query = $query->where('institute_id', $institute_id);
+        }
+
+        return self::defaultSortQuery($query);
+    }
+
+    public static function technicianAll(): LengthAwarePaginator
+    {
+        return self::institutedStudiesQuery()
+            ->paginate(user_per_page());
+    }
+
+    public static function technicianPending(): LengthAwarePaginator
+    {
+        return self::reportPendingQuery(self::institutedStudiesQuery())
+            ->paginate(user_per_page());
+    }
+
+    public static function technicianCompleted(): LengthAwarePaginator
+    {
+        return self::reportCompleteQuery(self::institutedStudiesQuery())
+            ->paginate(user_per_page());
+    }
+
+    public static function adminAll(): LengthAwarePaginator
+    {
+        return self::defaultSortQuery(Study::active())
+            ->paginate(user_per_page());
+    }
+
+    public static function adminPending(): LengthAwarePaginator
+    {
+        return self::reportPendingQuery(Study::active())
+            ->paginate(user_per_page());
+    }
+
+    public static function adminCompleted(): LengthAwarePaginator
+    {
+        return self::reportCompleteQuery(Study::active())
+            ->paginate(user_per_page());
+    }
+}