# SOUTHERN STAR CENTRAL GAS PIPELINE, INC — Gas transmission and gathering — incident on 2014-12-16

**Citation:** PHMSA Report 20150004  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2014-12-16  
**Published:** 2015-01-14

Gas transmission and gathering incident in WAKITA, GRANT County, OK. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 12500 NATURAL GAS released, $0 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings. PHMSA trend classification: not significant, not serious.

## Document text

Gas transmission and gathering incident in WAKITA, GRANT County, OK. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 12500 NATURAL GAS released, $0 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20150004.

Operator ID: 31711.

Reported incident date: 12/16/2014 10:00.

Location detail: 150/10321+78

Cause detail: MALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Cause detail: AT 10:00 ON 12/16/2014 SSC GAS CONTROL RECEIVED A CALL FROM SSC FIELD OPERATIONS STATING THERE MAY BE AN ISSUE AT THE WAKITA STATION, POSSIBLE ESD. THE FIELD OPERATOR WAS NEAR BY AND GOING TO INVESTIGATE. AT 10:00 SSC GAS CONTROL LOST COMMUNICATIONS WITH WAKITA STATION AND BEGAN CONTACTING THE COMMUNICATIONS DEPARTMENT TO CORRECT THE ISSUE. AT 10:06 SSC GAS CONTROL BEGAN RECEIVING LOW ALARMS FOR THE BLACKWELL/GUYMON, LINE N. AT 10:08 THE LOCAL PSAP AND THE LOCAL OPERATOR WAS NOTIFIED OF THE ALARMS/ISSUE. AT 10:43 OPERATIONS WAS ON SITE AND WORKING ON A MAINLINE VALVE THAT WAS STUCK OPEN LEAVING THE ESD VALVE TO CONTINUE BLOWING MAINLINE GAS PRESSURE. AT 10:56 THE MAINLINE VALVE WAS CLOSED AND THE GAS HAD STOPPED BLOWING.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: EQUIPMENT FAILURE — MALFUNCTION OF CONTROL/RELIEF EQUIPMENT.

PHMSA indexed costs: $45,463 reported total cost, $31,283.971 in 1984 dollars, $38,975.888 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.

## Provenance

- Official: Yes
- Source: <https://data.transportation.gov/api/views/27nc-rsge/files/2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8?download=true&filename=Gas%20Transmission%20%26%20Gathering%20Incident%20Data%20-%20January%202010%20to%20present.zip>
- Source ID: `phmsa-pipeline-incidents`
- SHA-256: `8fd679ada370379d541edbd7fd6abc76300593c493e7fd51c949f1381fe460f6`
- Retrieved: 2026-08-20T03:30:32.010Z
- Exported: 2026-08-24T11:03:42.496Z
- Document slug: `phmsa-incident-07cafea529394bb1947c6ea7`

### Source metadata

```json
{
  "recordKind": "pipeline_incident",
  "datasetType": "gas_transmission_gathering",
  "datasetLabel": "Gas transmission and gathering",
  "datasetPeriod": "January 2010 to present",
  "report": {
    "number": "20150004",
    "supplementalNumber": "16836",
    "type": "SUPPLEMENTAL FINAL",
    "receivedDate": "2015-01-14",
    "receivedDateRaw": "1/14/2015"
  },
  "operator": {
    "id": "31711",
    "name": "SOUTHERN STAR CENTRAL GAS PIPELINE, INC"
  },
  "incident": {
    "date": "2014-12-16",
    "dateRaw": "12/16/2014 10:00"
  },
  "location": {
    "city": "WAKITA",
    "county": "GRANT",
    "state": "OK",
    "postalCode": "73771",
    "latitude": 36.86650467,
    "longitude": -97.93076161,
    "type": "OPERATOR-CONTROLLED PROPERTY",
    "details": {
      "DESIGNATED_NAME": "150/10321+78"
    },
    "facilityName": "WAKITA STATION - LINE N"
  },
  "cause": {
    "category": "EQUIPMENT FAILURE",
    "details": {
      "CAUSE_DETAILS": "MALFUNCTION OF CONTROL/RELIEF EQUIPMENT",
      "NARRATIVE": "AT 10:00 ON 12/16/2014 SSC GAS CONTROL RECEIVED A CALL FROM SSC FIELD OPERATIONS STATING THERE MAY BE AN ISSUE AT THE WAKITA STATION, POSSIBLE ESD. THE FIELD OPERATOR WAS NEAR BY AND GOING TO INVESTIGATE. AT 10:00 SSC GAS CONTROL LOST COMMUNICATIONS WITH WAKITA STATION AND BEGAN CONTACTING THE COMMUNICATIONS DEPARTMENT TO CORRECT THE ISSUE. AT 10:06 SSC GAS CONTROL BEGAN RECEIVING LOW ALARMS FOR THE BLACKWELL/GUYMON, LINE N. AT 10:08 THE LOCAL PSAP AND THE LOCAL OPERATOR WAS NOTIFIED OF THE ALARMS/ISSUE. AT 10:43 OPERATIONS WAS ON SITE AND WORKING ON A MAINLINE VALVE THAT WAS STUCK OPEN LEAVING THE ESD VALVE TO CONTINUE BLOWING MAINLINE GAS PRESSURE. AT 10:56 THE MAINLINE VALVE WAS CLOSED AND THE GAS HAD STOPPED BLOWING."
    }
  },
  "consequences": {
    "fatalities": 0,
    "injuries": 0,
    "commodity": "NATURAL GAS",
    "release": "12500",
    "propertyDamage": 0,
    "estimatedOperatorCost": 0,
    "estimatedEmergencyCost": 900,
    "estimatedEnvironmentalCost": null,
    "ignition": "NO",
    "explosion": "NO",
    "evacuated": 0,
    "raw": {
      "FATAL": "0",
      "INJURE": "0",
      "UNINTENTIONAL_RELEASE": "12500",
      "EST_COST_PROP_DAMAGE": "0",
      "PRPTY": "45463"
    }
  },
  "provenance": {
    "viewId": "27nc-rsge",
    "viewUrl": "https://data.transportation.gov/api/views/27nc-rsge",
    "assetId": "2b05c2d8-d14a-4c56-ac1c-7d23a4bc31c8",
    "archiveFilename": "Gas Transmission & Gathering Incident Data - January 2010 to present.zip",
    "archiveSha256": "fe0b136ca4b00ac987a8bc2e195098accf910d97512c5fc3b59e62d9da5f674e",
    "memberPath": "incident_gas_transmission_gathering_jan2010_present.txt",
    "memberSha256": "b435f2a25718cf54c54e00294e6788c4f9c6860e02fb86355e75d294c243c4dd",
    "rowNumber": 1389,
    "rowSha256": "8a091823b1b3bad7d94b2af61e55c65e131a528ddddc5f422c955ad01d33084c"
  },
  "caveat": "Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.",
  "operatorReported": true,
  "finalAgencyFinding": false,
  "flaggedAnalysis": {
    "dataAsOf": "2026-07-31",
    "flags": {
      "fireFirst": null,
      "significant": false,
      "serious": false
    },
    "standardizedCause": {
      "sevenCategory": "MATERIAL/WELD/EQUIP FAILURE",
      "sevenSubcategory": "MALFUNCTION OF CONTROL/RELIEF EQUIPMENT",
      "eightCategory": "EQUIPMENT FAILURE",
      "eightSubcategory": "MALFUNCTION OF CONTROL/RELIEF EQUIPMENT"
    },
    "costs": {
      "reported": 45463,
      "in1984Dollars": 31283.970521243533,
      "currentYearDollars": 38975.887855197754
    },
    "caveat": "PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.",
    "provenance": {
      "sourceUrl": "https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/data_statistics/pipeline/PHMSA_Pipeline_Safety_Flagged_Incidents.zip",
      "landingPageUrl": "https://www.phmsa.dot.gov/data-and-statistics/pipeline/pipeline-incident-flagged-files",
      "catalogUrl": "https://data.transportation.gov/Pipelines-and-Hazmat/Pipeline-Incident-Flagged-Files/qdme-9bbm",
      "retrievalMode": "official_live",
      "archivedAt": null,
      "archiveSha256": "317e6a3e16d60b9b677efe391dc40258b5dd7ead83fb8bea74cb553cedfbbdec",
      "workbook": "gtggungs2010toPresent.xlsx",
      "sheet": "gtggungs2010toPresent",
      "rowNumber": 605,
      "rowSha256": "81b3515079f4a0ba22ce72b964a51136d7f8b08dbe7db87ceb6bc11de795bf23"
    }
  },
  "jurisdiction": "US",
  "operatorName": "SOUTHERN STAR CENTRAL GAS PIPELINE, INC"
}
```