 | |  Solid Expandable Casing |  | | Freet Petroleum Researching Institute manufactured ERW Solid Expandable Casing with oilfield Institutes. The large scale and series production in Solid Expandable Casing will be formed step by step. And company established an On-site Engineering Service Team to supply customers well for products and technical service. Solid Expandable Casing are used in repairing,side drilling to old wells and wells build up.
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 | | Special connection casing | | | Company got Tubing and Casing’s FLUSH MAX Threading Authorization from Metal One (Japan).Company owns professional technicians and NC from MORI SEIKI (Japan) which guarantees the product quality and batch production of Special Connection casing. Special Connection Casing is used wildly by its well seal ability,stable connection and easily operation performance. Compare with common casing, Special Connection Casing could gain more working spaces under the precondition of assurance of the strength of tube pillar, and it also could decrease the number of casing layers and reduce oil production cost. Company is cooperating with other companies to develop special connection products. | |
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 | | Gost certificate casing | | | | Company was the first company in China who got Russian GOST Certificate which performed GOST 632-80 Standard in 2008. Besides all API standards, the Russian standards also includes Ф146.1mm、Ф323.9mm、Ф351.0 mm、Ф377.0 mm、Ф426.0 mm and some special specifications. GOST Casing is complementarities to API Casing and supply multi- choices to oil well structures. | |
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 | | Large size casing | | | | Company has the ability to manufacture large size casing and coupling, such asΦ406.4mm, Φ473.08mm, Φ508.00mm and company equips full length hydraulic pressure tester to perfect the Test methods. | |
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 | | Cross over | | | | Crossover of casing and tubing is mainly used in conventional and thermal oil extraction work to conncct tube or facilitics of different diameter and thread, Company can meanufacture Tubing Crossover of different specification and types asper SY/T 5988-94 Standard and can also design, manufacture Tubing and Casing Crossover in accordance with customer’s request. | |
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