... into drill string type and near bit type. At present, we developed HF3000 and HF5000 type stabilizer, which ... abrasive resistant materials on the working surface of stabilizer: Insert tungsten carbide buttons, insert diamond compound ... Integral Straight Blade Stabilizer: Integral 3-straight rib stabilizer, integral 4-straight rib stabilizer, and Integral multistraightRib stabilizer, which working ...