Cangzhou Ruitai Petroleum Machinery Co., Ltd
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Premium Casing
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Perforated casing is manufacturing with API casing joints with size up to diameter 20". Every joints perforated is deburred internal and external. Upon request,we can drill standard or customized hole size in any number and any patten.
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Premium Casing & Tubing RTN-60X
RTN-60X adopts an advanced thread geometry design to reduce thread galling: pitch change on coupling thread while pin thread maintain unchanged. This design concept avoids the high initial thread loads experieneed by conventional constant pitch threads.
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Premium Casing & Tubing RTH-8T
The unique combination of a metal-to-metal seal and a special relief groove in coupling provides pressure integrity for both internal and external pressure in moderate to heavy wall tubular applications.
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