Technical Parameters of the Ram Blowout Preventer
Item | Single Ram Blowout Preventer | Double Ram Blowout Preventer | ||
Specification | 11”-5,000psi BOP | 11”-5,000psi BOP | ||
Top Connection | Studded | Flanged | Studded | Flanged |
Bottom Connection | Flanged | Flanged | Flanged | Flanged |
Height H mm | 787 | 1230 | 1472 | |
Weight |
3779 ㎏
|
7050 ㎏
|
7296㎏
|
|
Bore Size | 279.4mm (11″) | |||
Hydrostatic test pressure | 52.5MPa (7500psi) | |||
Rated working pressure | 35 MPa (5,000psi) | |||
Hydraulic Control System Strength Test pressure | 31.5 MPa(4,500psi) | |||
Hydraulic Control System Rated Working Pressure | 21 MPa(3,000psi) | |||
Recommended Hydraulic Control Operating Pressure | 8.4~10 .5MPa(1,200~1,500psi) | |||
Opening chamber volume for one set of Ram | 27 L | |||
Closing chamber volume for one set of Ram | 26 L | |||
Thread of Hydraulic Port | NPT 1 | |||
Specification of the Side Outlet | 3 1/8″-5,000psi or according to the specific contract | |||
Temperature Grade | T20(-29~121℃) or according to the specific contract | |||
Closure Ratioλ | 1:11.79 | |||
Other Descriptions: The designing and the manufacturing of the blowout preventer are in accordance with the API Spec 16A norms. The resistance to the corrosive stress of hydrogen disulfide of the internal parts of the blowout preventer in contact with the well liquids conforms to the requirements specified in NACE MR-01-75. |
Table 5 Specifications of Available Rams
Blind Ram; 2 3/8″,2 7/8″,3”, 3 1/2″,4 1/2″,5″,5 1/2″,6 5/8″,7″,shear ram, 2 7/8″~5″, 2 3/8″~3 1/2″ |