RockySea Petro, as the Professional OCTG Tubing & Casing manufacturer, established OCTG Tubing & Casing production line in 1994 and the first EUE OCTG Tubing & Casing production line in China in 2000, as well as obtained API 5CT Certificate in the same year. Drilling Well Company special OCTG Tubing & Casing can effectively solve the difficult problems in oil recovery such as corrosion and wear of oil tubing, scaling of water injection well, heat preservation in steam injection, which also have the best price/performance ratio in China.
2024-04
API T95 is a controlled yield strength steel grade specified by the American Petroleum Institute (API) for use in sour service applications, which are characterized by the presence of hydrogen sulfide (H2S). This grade is designed to offer superior resist
2024-04
API Q125 is a high-strength steel grade designated by the American Petroleum Institute (API) for use in deep well service. It is specifically designed to provide the necessary mechanical properties to withstand the extreme pressures and loads encountered
2024-04
USS C90 is a proprietary restricted yield strength steel grade developed by U.S. Steel for specialized use in sour condensate wells. This high-strength steel is designed to provide exceptional resistance to sulfide stress cracking (SSCC), making it an ide
2024-04
Q125 HC is a high-strength steel grade designed for applications within the oil and gas industry where enhanced collapse resistance is required. Manufactured to meet the stringent API 5CT specifications, Q125 HC offers superior performance characteristics
2024-04
Q125 HP is a high-performance steel grade manufactured to meet the rigorous demands of the oil and gas industry, particularly for applications requiring exceptional collapse resistance. This product is designed to exceed the minimum internal yield pressur
2024-04
USS HCK55 is an Electric Resistance Welded (ERW) hot-finished proprietary steel casing grade developed by U.S. Steel for "High Collapse" K55 applications. This advanced steel grade is engineered to provide exceptional strength and resistance to collapse,
2024-04
USS SC90 is a proprietary restricted yield strength steel grade developed by U.S. Steel for use in sour condensate wells. This grade is specifically designed to offer enhanced properties for applications where the resistance to sulfide stress cracking (SS
2024-04
USS GT80S is a proprietary controlled yield strength steel grade, specifically engineered for use in severe sour service wells where the resistance to sulfide stress cracking (SSC) is paramount. This high-performance steel grade is manufactured to stringe