ERW, SSAW, LSAW Welded Steel Pipe
ERW steel pipe: high-frequency straight seam resistance welded pipe, using hot-rolled wide coil as the material, through pre-bending, continuous forming, welding, heat treatment, sizing, straightening...
The Role of Oil Casing Pipe and Oil Drill Pipe
The casing pipe is used to strengthen the well wall, and the inner and outer diameters are much larger than the drill rod; the drill rod is used to connect the drill collar and the drill bit, and the ...
Reasons for Customers to Choose ERW Steel Pipe
ERW steel pipe is a general name for resistance welded steel pipe. High frequency resistance welding (Electric Resistance Welding, ERW for short) is the first letter of the corresponding English word....
What is oil well casing gas?
The oil well casing gas is the oil separation gas that is led to the surface through the casing. The oil well is pided into two parts: the tubing and the casing. The tubing is the flow channel that th...
Precautions for Storage of ERW Straight Seam Steel Pipes
First of all, the place or warehouse where ERW steel pipes are stored should be selected in a clean and well-drained place, away from factories and mines that produce harmful gases or dust. On the sit...
Three Methods for Laying Subsea Pipelines
Marine natural gas must be transported by offshore pipelines, and crude oil produced in shallow water can be directly loaded into tankers by production platforms. However, the crude oil produced in th...
