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PIONEER ENERGY
54-70 Large bore size High-pressure BOP Stack
Manufacturing Standards:API 16A、GB/T 20174
Product Applicability: For high-yield oil and gas fields and superdeep well operations under high formation pressure that require drilling wellbore with large drift diameter, corresponding large-diameter and ultra-high-pressure BOPs shall be equipped.
Product Features

  • High level shearing capacity: Single cylinders have extremely high shearing capacity, and can directly cut off 5 7/8", 23.4lb/ft, S-135-grade high-performance drill pipes and achieve reliable sealing performance at a rated working pressure of 70MPa after the cutting 

  • Ram hang-on capacity: It can ensure sealing at the rated working pressure while hanging the drilling tool, and the hanging weight can reach up to 600000lbs (272t) 

  • Side door and cylinder structure: The simple structural design reduces the labor intensity and difficulty in ram replacement 

  • Surface treatment: Different parts are subject to corresponding advanced surface treatment to improve their anti-corrosion and the reliability of the BOP

  • Can realize the gas sealing

21 1/4″ 

Bore size

10000psi 

Rated working pressure

177℃ 

Max temperature level

Applicable example:Xinjiang and Southwest China, Pakistan
  • TECHNICAL PARAMETERS

 
Nominal diameter
 539.45mm (21 1/4″)
Rated working pressure: ram preventer
 Ram BOP 69MPa (10000psi)
Annular BOP 34.5MPa (5000psi)
Hydrostatic test pressure of the body
 ram preventer 103.5MPa (15000psi)
annular preventer 51.75MPa (7500psi)
Rated working pressure of hydraulic control system
 20.7MPa（3000psi）
Recommended operating pressure
 10.35Mpa（1500psi）
Temperature Ratings for Metallic Materials
 Ram BOP Highest T-20/350
Annular BOP Highest T-20/250
Temperature Ratings for Nonmetallic Sealing Materials
 Ram BOP Highest BFF
Annular BOP Highest BBD
Sulfur resistance level
 NACE MR0175
Performance Level
 PR2