Limited entry matrix acidizing assembly is one of the most successful technologies which has opened access to several major carbonate reservoirs. It is designed to enhance controlled acid jetting into target sections. It includes multiple jets in one selected interval flanked by isolation packers in an open hole multi-stage completion. This paper presents an overview of the various methodologies used to stimulate moderate to high flow capacity carbonate reservoirs in Saudi Arabia and the results obtained. An example of a limited entry matrix acidizing completion is presented and the results are discussed.