Continuous Oil Tubing 2-7 8 - Quality Guaranteed Continuous

Continuous Oil Tubing 2-7/8" - Quality Guaranteed Continuous Oil Tubing - Tianjin Grand Victory Petroleum Equipment Co,.ltd. Petroleum Tools Processing

Technical Casing: It is mainly used in the drilling process of complex formations. When encountering complex sections such as caving zones, oil-bearing zones, gas-bearing zones, water-bearing zones, lost circulation zones, and salt-gypsum zones, it is necessary to run technical casing to consolidate these sections; otherwise, drilling cannot proceed. Some wells have deep and complex formations with drilling depths reaching thousands of meters. These deep wells require multiple layers of technical casing. The requirements for mechanical properties and sealing performance are very high, and the steel grades used are also higher. In addition to K55, more commonly used are N80 and P110 steel grades. Some deep wells also use Q125 and even higher non-API steel grades such as V150. Specifications include: 339.73mm (13-3/8in), 273.05mm (10-3/4in), 244.48mm (9-5/8in), 219.08mm (8-5/8in), 193.68mm (7-5/8in), 177.8mm (7in), etc. Continuous Oil Tubing 2-7/8" - Quality Guaranteed Continuous Oil Tubing - Tianjin Grand Victory Petroleum Equipment Co,.ltd. Petroleum Tools Processing

Production Casing: When drilling reaches the target formation (oil- or gas-bearing strata), production casing is required to seal off the oil- or gas-bearing strata and the overlying formations. The interior of the production casing is the oil layer. Among all types of casing, production casing has the greatest depth of insertion into the well, and the requirements for its mechanical properties and sealing performance are also very high. The steel grades used include K55, N80, P110, Q125, V150, etc. Production casing specifications include: 177.8mm (7in), 168.28mm (6-5/8in), 139.7mm (5-1/2in), 127mm (5in), etc.

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