API 16D BOP closing unit

Control Type: Electro- Pneumatic Control(Electronic Pushbutton Type,for CNOOC)
Accumulator QTY and type: 24 PCS / 11GAL or 17PCS/15GAL
Control Object: 7 Stations
Electric Pump QTY and Type : 18.5kW -2 set, 42L /min/set
Pneumatic Pump QTY and Type : 3~4 sets, 18.5L/min/set

Description

 

   API 16D BOP closing unit

 

The control systems for surface-mounted BOP stacks are used to open and close Blowout Preventer and Choke Valve while drilling oil and gas well.

Its main function is to prevent blowout accidents in drilling operation, so it is an indispensable equipment to ensure safe operation in oil fields.

The control system for surface-mounted BOP stacks mainly consists of Remote Control Panel, Driller Control Panel, Air Cable, Pipe Racks High-pressure Pipe and Protection House. Its design and manufacture follows SY/T5053.2 standard, and refers to API Spec 16D specifications.

Specification:

1, The Remote Control panel is equipped with both electric pneumatic power, as well as a stand-by inlet for pressing oil to ensure the system working regularly even under unexpected situations.

2, The power system is equipped with automatic control system and double protective device against overload pressure for hydraulic system. The operation is easy, safe and reliable.

3, With four sets of accumulators, the system can work regularly with the rest 75% volume when one of them goes wrong. A special valve equipped with the accumulator but also makes it easy for the installation and maintenance of them.

NAME Parameter
1.1 Working pressure 21 MPa (3000psi)
1.2 Controlled object quantity one ring style, two half sealed style, one sealed style, one discharge nozzle, one standby
1.3 Remote control console (sundries house in the corrugated iron house with interlayer) 12000mm(L)×3000mm(W)×2610mm(H)
Weight14t
1.4 oil tank effective volume 2000L528gal
1.5 electric pump output, pressure, dynamo power 42L(11gal)/min×2 at 21MPa(3000psi)18.5KW
1.6 gas-operated pump output × pressure× quantity 8L(2.1gal)/min at 10.5MPa(1500psi)×3
1.7 gas-operated pump air source pressure (maxim air consumption) 0.53~0.8MPa(77~116psi) (4.5m3/min)
1.8 accumulator volume and structure 80L(21gal)×16, Structured in both sides or rear side
1.9 accumulator nitrogen charging pressure 7±0.7 MPa(1015±102psi)
1.1 ram- type preventer control main fold manual pressure reducing overflow valve 0~14 MPa(2000psi), by pass valve start 21 MPa(3000psi)
1.11 ring preventer control main fold 0~18 MPa(0~2610psi)
1.12 electric pump automatic switch control <18.9 MPa(2700psi)Start 21 MPa(3000psi)Stop
1.13 gas-operated pump automatic switch control <18 MPa(2600psi) Start 21 MPa(3000psi) Stop
1.14 pressure display, delivery three shock proof pressure meter, three gas-operated shock proof pressure sensor
25MPa3625psi×1
40MPa5800psi×2
1.15 hydraulic pressure output interface, input interface Output:NPT 1″X14 Input:NPT1″X1, can choose either inside or outside screw thread
2.1 appearance and weight of drillers console 800L×450W×1800HWeight0.15t
2.2 control function by pass control 1, pressure reducing valve control 1, three-position four-way turning valve 7
2.3 display function air source pressure 1, long distance liquid pressure 3, BOP switch position 7
2.4 air source pressure 0.6MPa~0.8 MPa(87~116psi)
2.5 control lag time less than 2 seconds
2.6 remote control pipe cable 23×4×50m,0.8Mpa(116psi),-20°c~50°c
3.1 appearance and weight of assistant drill controller 750mmL×450mmW×1280mmH
Weight0.12t
3.2 control function BOP switch position 7
3.3 display function air source pressure 1, long distance liquid pressure 3
3.4 air source pressure 0.6MPa0.8 MPa(87~116psi)
3.5 remote control pipe cable ≤2Sed
3.6 remote control pipe cable 23×4×50m,0.8Mpa(116psi),-20°c

 

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