F54-70 Large-caliber High-pressure BOP Group

Manufacturing standards: API 16A, GB/T 20174
Product Applicability: In high-yield oil and gas fields and ultra-deep well operations, where large-diameter wellbores and high formation pressures are required, corresponding large-diameter, ultra-high-pressure blowout preventers are required.

Product Features
Strong shearing ability: Single-stage hydraulic cylinder can achieve extremely strong shearing ability, can directly cut 5 7/8”, 23.4lb/ft, S-135 grade high-performance drill pipe, and can achieve reliable sealing of 70MPa rated working pressure after cutting Gate hanging ability: can achieve sealing of rated working pressure while hanging drilling tools, Suspension weight can reach 600000lbs (272t) Side door and hydraulic cylinder structure: The structural design is simple, reducing the strength and difficulty of replacing the gate Surface treatment: Different parts adopt corresponding advanced surface treatment to improve the corrosion resistance of the parts, and the reliability of the blowout preventer is high Can achieve air sealing

21 1/4″

Nominal diameter


10000psi

Rated pressure level


177℃

Maximum temperature level



Applied in Xinjiang, China, Southwest High Pressure Oil and Gas Field, Pakistan and other regions
Technical Specifications
Nominal diameter539.45mm (21 1/4″)
Fixed work stressDouble gate blowout preventer 69MPa (10000psi)

Annular blowout preventer 34.5MPa (5000psi)

Body hydrostatic test pressureDouble gate blowout preventer 103.5MPa (15000psi)

Annular blowout preventer 51.75MPa (7500psi)

Rated working pressure of hydraulic control system20.7MPa（3000psi）
Recommended operating pressure of hydraulic control system10.35MPa（1500psi）
Metal material temperature gradeRam BOP T-20/350; Annular BOP T-20/250
Temperature grades of non-metallic materialsThe maximum BFF of the gate blowout preventer; the maximum BBD of the annular blowout preventer
Sulfur resistance gradeCompliant with NACE MR0175
Product performance levelPR2

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