Home > Knowledge > Content
What is oil oil bushing
- Sep 11, 2018 -

Oil Oil Bushing is used to support oil, gas well shaft lining of the steel pipe to ensure that the drilling process and completion of the entire well after the normal operation. Each well according to the different drilling depth and geological conditions, to use a few layers of casing. Casing Downhole After the use of cement cementing, it and tubing, drill pipe is different, can not be reused, belonging to a disposable consumption of materials.

Therefore, the casing consumption accounted for more than 70% of all oil well pipe. Casing according to use can be divided into: conduit, surface casing, technical casing and reservoir casing.