Our welded API 5CT threaded stainless steel casing is designed to deliver performance equivalent to seamless stainless casing while lowering project costs. We apply full penetration welding with NDT inspection, full pipe acid pickling & passivation, and API 5B thread verification for reliable downhole service in water wells and geothermal wells.

Stainless steel is critical for filtration systems due to its corrosion resistance and durability.
As a specialist in stainless steel filtration piping, OASIS s

6" Galvanized Well Screen and 8" SS304 Well Screen are shipped to Indonesia
On October 9, 2025, OASIS successfully shipped a batch of galvanized well screens an

In May 2025, OASIS team were honored to participate in a key industry conference.
During the conference, our executive delivered an insightful interview detaili

Clarification letter

Recently, we discovered that someone had forged our seals to sign documents.
Forged seal as follows:

OASIS OIL TOOLS CO.,LTD declares tha

The base pipe screen produced by OASIS OIL TOOLS CO.,LTD is also called double-layer pipe, multi-layer pipe, which consists of base pipe, all-welded wire-wou

Pipe Based Well Screen