Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2015-10-30 — TX
Operator
Enterprise Products Operating Llc
Cause
Other Incident Cause
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$616,000
Incident datetime
2015-10-30 08:05
Report number
Location
TX
Narrative
At 08:05 am on 10/30/2015, operations discovered a minor natural gas leak on line 9a at the navigation street crossing in corpus christi. The leak was discovered while conducting an annual gas leakage survey; product was detected venting from the casing vent pipe. Enterprise determined at 09:50 am on 10/30/2015 that the leak was reportable based on the expected cost to repair or replace the segment of pipeline. Operations isolated the pipeline segment and purged the pipeline at 11:07 am on 10/30/2015. Supplemental: the leaking segment was purged, cut and capped on both sides of the crossing. A new hdd was installed and the pipeline was returned to service on 12/21/2015. The old segment could not be exposed to confirm the cause of the release due to location of the crossing at navigation street.
Detailed record list
Report Received Date
2015-11-18 00:00:00
Iyear
2015
Report Number
20150137
Supplemental Number
17000
Report Type
Supplemental Final
Operator Id
31618
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2015-10-30 09:50:00
Location Latitude
27.801572
Location Longitude
-97.452747
Nrc Rpt Num
1132105
Nrc Rpt Datetime
2015-10-30 10:20:00
Commodity Released Type
Natural Gas
Unintentional Release
0.1
Intentional Release
1930
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-10-30 11:07:00
Restart Datetime
2015-12-21 15:59:00
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2015-10-30 08:05:00
On Site Datetime
2015-10-30 08:05:00
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
78408
Onshore City Name
Corpus Christi
Onshore County Name
Nueces
Designated Location
Survey Station No.
Designated Name
361+24
Pipe Fac Name
Clarkwood Lateral #1
Segment Name
9a
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Pavement
Depth Of Cover
60
Crossing
Yes
Road Crossing Ind
Yes
Road Type
Cased
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
16
Pipe Wall Thickness
0.219
Pipe Smys
52000
Pipe Specification
Api-5l X52
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Installation Year
1973
Manufactured Year
1973
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Unknown
Class Location Type
Class 4 Location
Could Be Hca
Yes
Determination Method
Method2
Pir Radius
289
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
1
Est Cost Intentional Release
4900
Est Cost Prop Damage
616000
Est Cost Emergency
0
Est Cost Other
0
Prpty
620901
Accident Psig
590
Mop Psig
685
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
40187
Internal Inspection Ind
Yes
Operation Complications Ind
No
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Ground Patrol By Operator Or Its Contractor
Operator Type
Operator Employee
Investigation Status
No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate)
Investigation Status Details
There were no scada alarms to indicate to the controller that a leak had occurred.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Incident Cause
Cause Details
Unknown
Other Type
Unknown
Unknown Subtype
Investigation Complete, Cause Of Incident Unknown
Preparer Name
M****** D* S****
Preparer Title
Compliance Specialist
Preparer Email
M******@e****.com
Preparer Telephone
713-381-5650
Authorizer Name
M****** D* S****
Authorizer Title
Compliance Specialist
Authorizer Telephone
713-381-5650
Authorizer Email
M******@e****.com
Narrative
At 08:05 am on 10/30/2015, operations discovered a minor natural gas leak on line 9a at the navigation street crossing in corpus christi. The leak was discovered while conducting an annual gas leakage survey; product was detected venting from the casing vent pipe. Enterprise determined at 09:50 am on 10/30/2015 that the leak was reportable based on the expected cost to repair or replace the segment of pipeline. Operations isolated the pipeline segment and purged the pipeline at 11:07 am on 10/30/2015. Supplemental: the leaking segment was purged, cut and capped on both sides of the crossing. A new hdd was installed and the pipeline was returned to service on 12/21/2015. The old segment could not be exposed to confirm the cause of the release due to location of the crossing at navigation street.
| Report Received Date | 2015-11-18 00:00:00 |
|---|---|
| Iyear | 2015 |
| Report Number | 20150137 |
| Supplemental Number | 17000 |
| Report Type | Supplemental Final |
| Operator Id | 31618 PHMSA Enforcement |
| Name | Enterprise Products Operating Llc |
| Operator Street Address | 1100 Louisiana Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2015-10-30 09:50:00 |
| Location Latitude | 27.801572 Google Maps OpenStreetMap |
| Location Longitude | -97.452747 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1132105 NRC Report How to search |
| Nrc Rpt Datetime | 2015-10-30 10:20:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 0.1 |
| Intentional Release | 1930 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2015-10-30 11:07:00 |
| Restart Datetime | 2015-12-21 15:59:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2015-10-30 08:05:00 |
| On Site Datetime | 2015-10-30 08:05:00 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 78408 |
| Onshore City Name | Corpus Christi |
| Onshore County Name | Nueces |
| Designated Location | Survey Station No. |
| Designated Name | 361+24 |
| Pipe Fac Name | Clarkwood Lateral #1 |
| Segment Name | 9a |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Pavement |
| Depth Of Cover | 60 |
| Crossing | Yes |
| Road Crossing Ind | Yes |
| Road Type | Cased |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 16 |
| Pipe Wall Thickness | 0.219 |
| Pipe Smys | 52000 |
| Pipe Specification | Api-5l X52 |
| Pipe Seam Type | Longitudinal Erw - Unknown Frequency |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1973 |
| Manufactured Year | 1973 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Unknown |
| Class Location Type | Class 4 Location |
| Could Be Hca | Yes |
| Determination Method | Method2 |
| Pir Radius | 289 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 1 |
| Est Cost Intentional Release | 4900 |
| Est Cost Prop Damage | 616000 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Prpty | 620901 |
| Accident Psig | 590 |
| Mop Psig | 685 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 40187 |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Transmission System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Accident Identifier | Ground Patrol By Operator Or Its Contractor |
| Operator Type | Operator Employee |
| Investigation Status | No, the operator did not find that an investigation of the controller(s) actions or control room issues was necessary due to: (provide an explanation for why the operator did not investigate) |
| Investigation Status Details | There were no scada alarms to indicate to the controller that a leak had occurred. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Incident Cause |
| Cause Details | Unknown |
| Other Type | Unknown |
| Unknown Subtype | Investigation Complete, Cause Of Incident Unknown |
| Preparer Name | M****** D* S**** |
| Preparer Title | Compliance Specialist |
| Preparer Email | M******@e****.com |
| Preparer Telephone | 713-381-5650 |
| Authorizer Name | M****** D* S**** |
| Authorizer Title | Compliance Specialist |
| Authorizer Telephone | 713-381-5650 |
| Authorizer Email | M******@e****.com |
| Narrative | At 08:05 am on 10/30/2015, operations discovered a minor natural gas leak on line 9a at the navigation street crossing in corpus christi. The leak was discovered while conducting an annual gas leakage survey; product was detected venting from the casing vent pipe. Enterprise determined at 09:50 am on 10/30/2015 that the leak was reportable based on the expected cost to repair or replace the segment of pipeline. Operations isolated the pipeline segment and purged the pipeline at 11:07 am on 10/30/2015. Supplemental: the leaking segment was purged, cut and capped on both sides of the crossing. A new hdd was installed and the pipeline was returned to service on 12/21/2015. The old segment could not be exposed to confirm the cause of the release due to location of the crossing at navigation street. |
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