Emergency Shutdown Control Panel (ESD)

The CDI’s Emergency Shutdown Control Panel serves as the primary proactive safety barrier for oil and gas well sites. Featuring a compact design, it is specifically engineered to rapidly close Surface Safety Valves (SSV) or Emergency Shutdown Valves (ESDV) during fire, pipeline overpressure, physical rupture, or remote command triggers. The core logic prioritizes the “Fail-safe” principle, automatically initiating shutdown procedures upon loss of power or detection of hazard signals to isolate wellhead pressure and prevent escalation.

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System Configuration

Compact Control Cabinet: Constructed from SS304 or SS316 with IP65 protection; small footprint ideal for single-well or skid-mounted deployment.
Emergency Trigger Module: Integrated local manual emergency shutdown button (Push-to-Close) and support for fusible plug fire detection inputs.
High/Low Pressure Pilot Logic: Equipped with precision pressure pilots or switches for real-time monitoring of pipeline fluctuations.
Power Output Unit: High-pressure hydraulic or pneumatic output, adaptable to various actuator specifications.
Remote Interface: Pre-installed solenoid valve interfaces to receive shutdown signals from the control room (DCS).

Key Features

Rapid Response: Pure pneumatic or hydraulic logic control ensures second-level shutdown without electronic delay during emergencies.
Highly Portable & Flexible: Portable structure designed for single-well applications; fast installation, ideal for well testing and temporary production monitoring.
Intrinsically Safe: Full mechanical logic versions contain no electrical components, completely eliminating spark hazards in hazardous zones.
User-Friendly Operation: Clear panel layout with distinct pressure status indicators and manual triggers, allowing rapid operation even by non-technical personnel during emergencies.

Technical Specifications

Item	Specifications
Model	CDI-WCP-ESD Series
Control Capacity	Single-Well / Multi-Well (Customizable)
Power Supply	Pneumatic, Hydraulic, Electric, Solar, or Manual
Max. Output Pressure	Up to 140 MPa (20,000 psi)
Pilot Pressure Range	0.35 – 1.0 MPa (50 – 145 psi)
Control Objects	SCSSV, SSV, WV, ESDV, GVV
Protection Level	IP54 / IP65
Ex-proof Rating	Class I Div I / II, ATEX/IECEx certified
Operating Temperature	-35°C to +65°C (Extended to -45°C for Arctic)
Materials	SS304 / SS316 Cabinet & Tubing

Note: The system can be custom-engineered based on specific wellhead layouts and user requirements (e.g., explosion-proof ratings and extreme cold environment adaptation).

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