Pneumatic-Liquid Type Control System for Surface BOP
Reliable ? Safe ? API 16D Compliant ? Engineered for Surface Drilling Operations
1. Product Overview
The Pneumatic-Liquid Type Control System for Surface BOP by CAMTOP SHANGHAI MACHINERY EQUIPMENT CO.,LTD is a rugged dual-medium control unit using compressed air as pilot signal and hydraulic oil as actuating medium ??purpose-built for land rigs, platform rigs, and shallow-water installations.
- Dual-medium design: pneumatic pilot + hydraulic actuation
- Compact skid-mounted or cabinet-mounted configurations
- Remote control panel included as standard
- Accumulator bank for power-off emergency operation
- Full API 16D compliance; optional ATEX / IECEx certification
3. Technical Specifications
Hydraulic System
| Parameter | Standard Value | Notes |
|---|---|---|
| Rated Working Pressure | 21 MPa (3,000 PSI) | 10.5 MPa available |
| Total Accumulator Volume | 120 L (31.7 gal) | 60 L / 200 L / custom |
| Pump Flow Rate | 15 L/min at 21 MPa | Dual-pump redundant |
| Electric Motor Rating | 7.5 kW, 380 V / 50 Hz | Ex-proof option |
| Pilot Air Supply | 0.5 ??0.8 MPa | Instrument air or dry N??/td> |
| Operating Temperature | -20?C to +55?C | Arctic seals available |
| BOP Functions | 8 standard | Up to 16 functions |
| Response Time (rams) | < 15 seconds | Per API 16D ?7.4 |
5. Features & Benefits
Fast Response
Annular BOP closure <30s; ram preventers <15s ??meeting API 16D requirements.
Intrinsically Safe
All-pneumatic pilot circuit eliminates electrical ignition sources. ATEX Zone 1/2 certified.
Emergency Backup
Pre-charged accumulator + air-driven backup pump ensures operation during power failure.
Dual-Panel Control
Driller’s panel + remote panel provide redundant independent control points.
Low Maintenance
Robust pneumatic components with long service life. Modular design for easy field replacement.
API 16D Compliant
Full conformance with API Spec 16D, 2nd Edition. Factory Acceptance Test reports included.
6. Applications
- Land drilling rigs and workover rigs
- Fixed offshore platforms (shallow water)
- Sour-service wells (H??) ??NACE MR0175 compliant materials
- HPHT wells ??15,000 PSI configuration available
- IWCF / IADC well control training centres
10. Frequently Asked Questions
11. Contact CAMTOP SHANGHAI MACHINERY EQUIPMENT CO.,LTD
Company
CAMTOP SHANGHAI MACHINERY EQUIPMENT CO.,LTD
Location
Shanghai, China
Website
www.cposl.com
Standards
API 16D ? ISO 9001 ? ATEX / IECEx ? NACE MR0175