diff --git a/app/models/access_log.rb b/app/models/access_log.rb
index 85cd4c3..0dceb7d 100644
--- a/app/models/access_log.rb
+++ b/app/models/access_log.rb
@@ -1,4 +1,9 @@
 # frozen_string_literal: true
 
 class AccessLog < ApplicationRecord
+  # Las peticiones completas son las que terminaron bien y se
+  # respondieron con 200 OK o 304 Not Modified
+  #
+  # @see {https://en.wikipedia.org/wiki/List_of_HTTP_status_codes}
+  scope :completed_requests, -> { where(request_method: 'GET', request_completion: 'OK', status: [200, 304]) }
 end