供应Integral blade/welding/sleeve stabilizer(Size:3 7/8″~36″OD,HF1000-HF6000 Type)Integral blade stabilizer is an important tool in the drilling process to control the well deviation. It can stabilize the
供应QYZ type hydraulic drilling jar (Size:4 3/4″~9 1/2″OD)In normal drilling operation, downhole drilling tools assembly was stuck sometimes due to many kinds reason, and drilling jar is an effective tool