It was important to detect the leaking of natural gas pipeline whether leakage happened, the comprehensive and comparative analysis of various methods of leak detection indicated that most common detection method which was difficult to identify and…
Well casing integrity is vital for the safe operations of oil wells, and also significant to detect well casing defects. Magnetic Flux Leakage (MFL) Detection Technology is widely-used in detecting the defects of various pipelines. Owing to the very…
With the increasing of fracturing scale and displacement, the risk of engineering operation is increased because the high friction of string. Therefore, it is very important to predict the friction in fracturing operation. Used the local…