Oil screen is made of high quality stainless steel material, the base tube, multi-layer sand control filter and outer protective structure from the inside out of mutual cooperation.

Oil casing anticorrosion measures: 1, first of all, pays special attention to the water quality standards, strict ...

The use of the slotted tube makes drilling engineering raised a lot of work efficiency. Laser cutting technology...

Slotted tube with laser cutting technique has achieved good effect, especially for some high-end's rigid demand is...