Casing is usually assembled to prevent well’s wall from caving in, separating different levels of water, oil and gas, preventing unstable flow in well, protecting installed equipments in borehole and also preventing entrance of sands from reservoir to the well and contamination of its flow.
Oil Exploration Operations Company has all required equipments and tools for casing running by the sizes of 5, 7, 9-5.8, 13-3.8, 18-5.8, 20 and etc. inches that the most important ones are as follows:
3-Hydraulic Power Unit
4-Computerized Torque Monitoring System