Deep Well Casing

As oil and gas exploration goes with deeper and deeper wells, working environment of Casing is getting more and more complex. OAK-V series products designed for deep and complex well service are remarkable for their high yield and tensile strengths while maintaining good ductility and fracture.

Over the past few years, OAK products have been used by dozens of users. From 2022, OAK has developed a series of non-standard  steel grades for high strength oil casing with premium connections according to the special geological conditions of oilficlds. Many problems of drilling and well cementing had been solved by using OAK products.

Specially designed deep well casing of OAK-V series (incomplete statistic)

OAK-V series products provide remarkable advantages to casing string design of ultra-deep wells.
OAK-140V ф273.05x13.84mm casing with OAK's connections had been used as intermediate casing in extra-deep well of Tarim Oilfield.