Oil casing is a steel pipe that used to
support the oil and gas well wall, to ensure that the drilling process and
after the completion of the normal operation of the entire oil well. Each well
according to different drilling depth and geological conditions, to use a few
layers of casing pipes. After the casing pipe well, it should be used with
cement, which is different from the tubing and drill pipe, and can not be used
repeatedly, which belongs to one time consuming material. Therefore, the consumption
of the casing pipe accounted for more than 70% of all.
没有评论:
发表评论