Rotary BOP
Rotary BOP
13 5/8” – 1500psi/3000psi rotary BOP is a type of well control equipment used in underbalanced drilling.
The major parts include: shell, locking assembly, rotary assembly and drill pipe actuator assembly. They fall into two types: BOPs with single packing unit and double packing unit respectively.
Structural characters:
It adopts double packing unit or single packing unit
The rotary dynamic sealing part adopts quick stripper cases
Bearing are lubricated by force.
The cooling system realizes circular cooling to the upper dynamic parts
It adopts modular designs
Specification:
Maximum static seal pressure |
21mpa(3000psi) |
Maximum dynamic seal pressure |
10.5mpa(1500psi) |
Maximum rotational speed |
120rpm |
Base pipe bore size |
Φ179.4mm(7 1/16”) |
Outer diameter of rotary assemble |
Φ456mm(17 19/20”) |
Maximum seal size |
5 1/4”hexagonal drilling pipe+ 5” drill pipe(with 18°/35°joint) |
Work medium |
Drilling fluid, crude oil, natural gas |
Temperature rating for metallic material |
To(-18°~121°) |
Bottom connection |
13 5/8”-5000psi 6b bx160flanged |
Side outlet connection |
7 1/16”-5000psi 6b r46 flanged 21/16”-5000psi 6b r24flanged |
Lubrication system maximum working pressure |
16mpa(2300psi) |
Locking system rated working pressure |
4mpa(580psi) |
Cooling circulation system working pressure |
0.8mpa(110psi) |
Power |
380v/50hz |
Note:
All BOPs are designed and manufactured in accordance with SY/T6730.
The resistance to stress corrosion by Hydrogen Sulphide at BOP positions in contact with fluide in the well meets relevant requirements as specified in NACE MR-0175.
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