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CONTROL SYSTEM FOR SURFACE MOUNTED BOP STACKS

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CONTROL SYSTEM FOR SURFACE MOUNTED BOP STACKS

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Category： Drilling accessory equipment

Key words：Drilling accessory equipmentCONTROL SYSTEM FOR SURFACE MOUNTED BOP STACKS

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CONTROL SYSTEM FOR SURFACE MOUNTED BOP STACKS

The control system for surface mounted BOP stacks is critical for well control. The system is integrated with mechanical, electrical, hydraulic, pneumatic, information technology. The products not only meet the requirements of domestic standards，but also has got the certification of API Spec. 16D. BPM is the first one in China, the ninth in the world to acquire the certificate.

The BPM control system for surface mounted BOP stacks is characterized with following features:

The system is equipped with two pump groups. Electric pump with different flow rate and air-operated oil pump which ensures the system to work normally in case of power failure.

The design of accumulator unit meets the requirement of closing all BOP stacks and opening hydraulic valve. If any accumulator bottle failed, the total liquid loss will not exceed 25%. BPM can offer the accumulator with ASME mark that complies with the requirements of API Spec. 16D.

The pressure of annular preventer circuit in control system may be adjusted by remote air-operated regulation. In case of sudden failure of air supply, the pressure can be reset to the initial set value automatically. The control manifold of the remote control panel is equipped with an orifice as an inlet of the pressure source. For example, the nitrogen backup system offered by BPM provides emergent auxiliary energy. If the accumulator and/or the pump cannot provide the control manifold with enough power fluid, the nitrogen backup system may be used to provide high- pressure air to close the preventer. The nitrogen backup system may provide emergency air supply for the driller's panel and the auxiliary control panel.

The system may be provided with an alarm device. It monitors the accumulator pressure, air supply pressure and the liquid level in oil tank. When the above parameters exceed the alarm limits, the signal of sound and light will be given.

The system can be equipped with auxiliary control panel. Air-operated control is adopted in the auxiliary control panel. The system may be operated by driller panel and/or auxiliary control panel may control the remote control panel.

The system can also be equipped with electric heating device of oil tank and air cable. The system may also be equipped with housing with air-conditioner, explosion-proof electrical heating board and explosion-proof air-conditioner.

Besides the products listed in the table, we can design tailor-made special models according to the customer's requirements.

SPECIFICATIONS FOR BOP CONTROL SYSTEM

Model Illustrations: FK Q 400 - 5 B

Improvement code

Objects control

Total volume of accumulators (L)

Type of driller panel

Q: air control

DQ: electric/air control

QY: electric/hydraulic control

omitted: without driller panel

SPECIFICATIONS FOR BOP CONTROL SYSTEM

model	control object				accumulator bank			oil tank efficiency	motor's power（kW）	the flow capacity of pump system
	annular	pipe ram	blow off	backup	total volume	usable liquid	usable liquid			electric operated pump L/min	air operated pump	hand operated pump
FKQ1440-14	1	4	7	2	60X24	720	post position	2300	18.5x2	46x2	60X4
FKQ1280-8	1	3	2	1	80X16	640	side position	1650	18.5x2	46x2	60x2
FKQ960-8	1	3	3	1	60X16	480	side position	1650	18.5x2	46x2	60x2
FKQ840-8	1	3	3	1	60X14	420	side position	1650	18.5	46	60x2
FKQ800-7D	1	3	2	1	40X20	400	side position	1500	18.5	46	60X2
FKQ800-7	1	3	2	1	80X10	400	side position	1600	18.5	46	60X2
FKQ800-7B	1	3	2	1	40X20	400	side position	1600	18.5	46	60X2
FKQ640-7	1	3	2	1	80X8	320	side position	1600	18.5	46	60X2
FKQ800-6N	1	3	2	-	40X20	400	side position	1600	18.5	46	60X2
FKQ640-6N	1	3	2	-	40X16	320	side position	1600	18.5	46	60X2
FKQ800-6F	1	3	2	-	80X10	400	side position	1600	18.5	46	60X2
FKQ720-6	1	3	2	-	60X12	360	side position	1290	18.5	46	60X2

FKQ640-6G	1	3	2	-	40X16	320	side position	1290	18.5	46	60X2
FKQ640-6E	1	3	2	-	80X8	320	side position	1300	18.5	46	60X2
FKQ640-6	1	3	2	-	40X16	320	post position	1120	18.5	46	60X2
FKQ480-5C	1	3	1	-	40X12	200	side position	1100	18.5	35	60X2
FKQ400-5B	1	3	1	-	40X10	200	side position	1100	18.5	35	60X2
FKQ320-4E	1	2	1	-	40X8	160	post position	790	18.5	46	60X1
FKQ320-4G	1	2	1	-	40X8	160	side position	790	11	20	60X1
FKQ320-3	1	2	1	-	40X8	160	post position	790	18.5	46	60X1
FKQ160-4W	-	2	2	-	40X4	120	post position	720	11	20	60X1
FKQ320-4	1	2	1	-	40X8	160	side position	790	11	20	60X1	14/28
FKQ250-4	-	2	1	-	25X10	125	side position	630	11	20		14/28
FKQ240-4	-	2	1	-	40X6	120	post position	630	15	31		14/28
FKQ100-4	-	2	1	-	40X6	120	post position	630	11	20		14/28
FK240-3D	1	2	-	-	40X6	120	post position	500	11	20	60X2

FK2403	1	2	-	-	40X6	120	side position	456	11	20		14/28
FK125-3	-	3	-	-	25X5	62.5	post position	440	11	20		14/28
FK125-3B	1	2	-	-	25X5	62.5	post position	440	11	20		14/28
FK125-2D	-	1	1	1	25X5	62.5	post position	440	15	31		14/28
FK50-1	-	1	-	-	25X2	25	post position	98	3	7		14/28
FKQ640-6M	1	3	2	-	40X16	320	post position	1120	18.5	46	60X2
FKQ800-7F	1	3	2	1	40X20	400	post position	1280	18.5	46	60X2
FKQ400-5	1	3	1	-	40X10	200	post position	1120	18.5	35	60X2
FKQ480-5E	1	3	1	-	40X12	240	post position	1120	18.5	35	60X2