# WIA-SOC-011: Gas Supply Standard
## PHASE 4: WIA Integration Specification

**Version:** 1.0  
**Status:** Complete  
**Last Updated:** 2025-12-26

---

## 1. Overview

Phase 4 defines integration patterns for WIA-SOC-011 compliant systems with each other and with other WIA standards, creating a comprehensive smart infrastructure ecosystem.

---

## 2. Inter-Operator Pipeline Integration

### 2.1 Nomination and Scheduling

**Data Exchange Format**:
```json
{
  "nominationId": "NOM-2025-001",
  "effectiveDate": "2025-12-27",
  "deliveryPoint": "INTERCONNECT-KR-JP-001",
  "shipper": "Korea Gas Corporation",
  "receiver": "Tokyo Gas",
  "quantity_m3_day": 5000000,
  "pressure_bar": 70,
  "qualitySpec": {
    "wobbeIndex_min": 49.0,
    "wobbeIndex_max": 52.0,
    "heatingValue_min_MJ_m3": 37.0
  },
  "status": "confirmed"
}
```

### 2.2 Balancing at Interconnects

Real-time balancing data exchange:
- Frequency: Every 5 minutes
- Parameters: Flow rate, pressure, temperature, composition
- Reconciliation: Hourly totals with ±2% tolerance

---

## 3. LNG Terminal Integration

### 3.1 Ship Schedule Integration

```json
{
  "vesselArrivalId": "VESSEL-2025-001",
  "vessel": {
    "name": "LNG Carrier Alpha",
    "imo": "IMO1234567",
    "capacity_m3": 174000
  },
  "arrival": {
    "eta": "2025-12-28T06:00:00Z",
    "berthAssignment": "BERTH-1",
    "cargoVolume_m3": 165000
  },
  "regasificationPlan": {
    "startTime": "2025-12-28T12:00:00Z",
    "duration_hours": 48,
    "sendoutRate_m3_h": 3500
  },
  "pipelineAllocation": [
    {"pipelineId": "PL-KR-001-2025", "allocation_percent": 60},
    {"pipelineId": "PL-KR-002-2025", "allocation_percent": 40}
  ]
}
```

### 3.2 Storage Management

Integration with pipeline demand forecasting:
- Minimum storage level: 20% capacity
- Maximum fill rate: 5000 m³/hour
- Regasification capacity: 15 MTPA

---

## 4. Smart Meter Integration (AMI)

### 4.1 Meter Data Collection

**Collection Frequency**:
- Residential: Hourly
- Commercial: 15-minute intervals
- Industrial: Real-time (1-minute)

**Data Format**:
```json
{
  "meterId": "GM-2025-KR-001234",
  "readings": [
    {
      "timestamp": "2025-12-26T14:00:00Z",
      "volume_m3": 2547.35,
      "flow_m3_h": 1.2,
      "pressure_bar": 0.025,
      "temperature_C": 15.3
    }
  ],
  "events": [
    {"type": "low_pressure", "timestamp": "2025-12-26T13:45:00Z"}
  ]
}
```

### 4.2 Leak Detection from Consumption Patterns

Machine learning models analyze consumption patterns:
- Baseline consumption profiles
- Anomaly detection algorithms
- Automated leak notifications
- Integration with field crews

---

## 5. Renewable Gas Interconnection

### 5.1 Biomethane Injection

**Interconnection Agreement Data**:
```json
{
  "interconnectionId": "INTERCONN-BIO-001",
  "producer": "Green Energy Farm",
  "location": {"pipelineId": "PL-KR-005-2025", "kilometer": 23.5},
  "capacity": {
    "max_m3_h": 500,
    "annual_m3": 4000000
  },
  "qualityRequirements": {
    "methane_min_percent": 95,
    "CO2_max_percent": 3,
    "H2S_max_ppm": 5,
    "moisture_max_mg_m3": 50
  },
  "meteringStandard": "WIA-SOC-011",
  "dataExchangeProtocol": "MQTT"
}
```

### 5.2 Hydrogen Blending Coordination

**Blending Control**:
- Real-time composition monitoring
- Maximum H2 concentration: 20% by volume
- Automatic injection rate adjustment
- End-user equipment compatibility tracking

---

## 6. Cross-Standard WIA Integration

### 6.1 Electric Power Integration (WIA-ENE-001)

**Combined Heat and Power (CHP)**:
```json
{
  "integrationPoint": "CHP-PLANT-001",
  "gasSupply": {
    "standard": "WIA-SOC-011",
    "pipelineId": "PL-KR-001-2025",
    "flowRate_m3_h": 2500
  },
  "powerOutput": {
    "standard": "WIA-ENE-001",
    "gridConnection": "GC-KR-SEOUL-01",
    "capacity_MW": 25
  },
  "efficiency": {
    "electrical": 0.38,
    "thermal": 0.45,
    "combined": 0.83
  }
}
```

### 6.2 Water Infrastructure (WIA-SOC-010)

LNG terminal cooling water integration:
- Water consumption: 150 m³/hour
- Return water temperature: +8°C delta
- Water quality monitoring
- Environmental compliance reporting

### 6.3 Smart City Integration (WIA-CITY-001)

**Infrastructure Coordination**:
- Joint excavation planning
- Utility corridor sharing
- Emergency response coordination
- Shared digital twin platform

---

## 7. Emergency Response Integration

### 7.1 Multi-Agency Coordination

```json
{
  "incidentId": "INC-2025-001",
  "type": "pipeline_leak",
  "severity": "high",
  "location": {
    "pipelineId": "PL-KR-001-2025",
    "gps": [37.5665, 126.9780],
    "address": "123 Main Street, Seoul"
  },
  "notifications": [
    {"agency": "fire_department", "notified": "2025-12-26T14:00:00Z"},
    {"agency": "police", "notified": "2025-12-26T14:00:05Z"},
    {"agency": "gas_emergency", "notified": "2025-12-26T14:00:01Z"}
  ],
  "actions": [
    {"action": "isolate_section", "status": "completed", "timestamp": "2025-12-26T14:02:00Z"},
    {"action": "evacuate_radius_100m", "status": "in_progress"}
  ]
}
```

---

## 8. Digital Twin Integration

### 8.1 Real-time System Modeling

**Data Synchronization**:
- Physical measurements → Digital twin: Real-time
- Digital twin simulations → Operations: On-demand
- Model calibration: Daily
- Scenario planning: Continuous

**Applications**:
- Hydraulic modeling and optimization
- Predictive maintenance scheduling
- Emergency scenario simulation
- Capacity planning

---

## 9. Blockchain for Gas Trading

### 9.1 Smart Contracts

**Use Cases**:
- Automated nominations and confirmations
- Real-time balancing settlements
- Renewable gas certificate trading
- Carbon credit tracking

**Integration Points**:
- Meter data → Blockchain: Automated
- Nominations → Smart contracts: API
- Settlements → Financial systems: Batch daily

---

## 10. Legacy System Integration

### 10.1 Protocol Translation Gateways

**Gateway Architecture**:
```
Legacy SCADA (proprietary) 
    ↔ 
Protocol Gateway (translation)
    ↔ 
WIA-SOC-011 Standard Interface
```

**Supported Legacy Protocols**:
- Proprietary SCADA protocols
- Old Modbus RTU (serial)
- Legacy database formats
- Custom CSV exports

---

## 11. Certification Requirements

### 11.1 Integration Certification

**Test Scenarios**:
1. Inter-operator data exchange
2. LNG terminal coordination
3. Smart meter aggregation
4. Renewable gas interconnection
5. Emergency response coordination

**Certification Criteria**:
- 100% data format compliance
- <5s latency for critical operations
- 99.9% message delivery success
- Security assessment passed
- Interoperability with 3+ certified systems

---

## 12. Migration Strategies

### 12.1 Phased Rollout

**Phase 1**: Data format standardization (6 months)
**Phase 2**: API implementation (6 months)
**Phase 3**: Protocol migration (12 months)
**Phase 4**: Full integration (6 months)

Total timeline: 30 months for complete migration

---

**Document Control**
- Version: 1.0
- Integration Patterns: https://github.com/WIA-Official/wia-standards/tree/main/gas-supply/integration
- Contact: standards@wiastandards.com

© 2025 World Certification Industry Association | MIT License