Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2011-11-29 — TX
Operator
Enterprise Crude Pipeline Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$3,500
Incident datetime
2011-11-29 18:15
Report number
Location
TX
Narrative
At 17:15 hrs pilot called enterprise employee from the air to notify of a possible leak. At 17:30 hrs supervisor was notified at 18:05 hrs pilot gave employee with lat and long of possible leak site. At 18:15 hrs leak site was found and confirmed. The site was hydrovac and found pinhole leak at the 5 o'clock position. It appeared to be external corrosion and possibly stray current since other pipelines was within 8 foot of the leak site. A b sleeve repair was made on the pipe and is back in service. 8/22/2012 soil remediation to continue for another 2-3 months. Long-term ground water remediation could continue another 2+ years. Remediation was completed. 12/2014
Detailed record list
Report Received Date
2011-12-15 00:00:00
Iyear
2011
Report Number
20110451
Supplemental Number
19968
Report Type
Supplemental Final
Operator Id
30829
Name
Enterprise Crude Pipeline Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2011-11-29 18:15:00
Location Latitude
29.724843
Location Longitude
-95.884289
Commodity Released Type
Crude Oil
Unintentional Release Bbls
100
Intentional Release Bbls
0
Recovered Bbls
100
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Air Patrol
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2011-11-29 18:15:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
On Site Datetime
2011-11-29 18:15:00
Nrc Rpt Datetime
2011-11-29 19:50:00
Nrc Rpt Num
996771
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Automatic
Downstream Valve Type Ind
Manual
Pipe Fac Name
S1
Segment Name
Seaway Pipeline
Onshore State Abbreviation
Tx
Onshore Postal Code
77441
Onshore City Name
Fulshear
Onshore County Name
Fort Bend
Designated Location
Survey Station No.
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
30
Pipe Wall Thickness
0.312
Pipe Smys
70000
Pipe Specification
Api 5l
Pipe Seam Type
Dsaw
Pipe Manufacturer
Armco
Pipe Coating Type
Other
Installation Year
1976
Manufactured Year
1976
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
Yes
Remediation Ind
Yes
Groundwater Remed Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
10000
Est Cost Prop Damage
3500
Est Cost Emergency
0
Est Cost Environmental
5900000
Est Cost Other
0
Prpty
5913500
Accident Psig
100
Mop Psig
899
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Transmission
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
No
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
The line was down at the time of the accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Stray Current Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
Yes
Cathodic Pro Start Year
1976
Shielding Evident
No
Cathodic Survey Type
Yes
Cp Annual Survey Ind
Yes
Cp Annual Survey Year
2011
Prior Damage
No
Preparer Name
S**** D****
Preparer Title
Senior Pipeline Compliance Engineer
Preparer Email
S******@e****.com
Preparer Telephone
713.381.6487
Prepared Date
2014-12-12 00:00:00
Authorizer Name
S**** D****
Authorizer Telephone
713.381.6487
Authorizer Title
Senior Pipeline Compliance Engineer
Authorizer Email
S******@e****.com
Narrative
At 17:15 hrs pilot called enterprise employee from the air to notify of a possible leak. At 17:30 hrs supervisor was notified at 18:05 hrs pilot gave employee with lat and long of possible leak site. At 18:15 hrs leak site was found and confirmed. The site was hydrovac and found pinhole leak at the 5 o'clock position. It appeared to be external corrosion and possibly stray current since other pipelines was within 8 foot of the leak site. A b sleeve repair was made on the pipe and is back in service. 8/22/2012 soil remediation to continue for another 2-3 months. Long-term ground water remediation could continue another 2+ years. Remediation was completed. 12/2014
| Report Received Date | 2011-12-15 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110451 |
| Supplemental Number | 19968 |
| Report Type | Supplemental Final |
| Operator Id | 30829 PHMSA Enforcement |
| Name | Enterprise Crude Pipeline Llc |
| Operator Street Address | 1100 Louisiana Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2011-11-29 18:15:00 |
| Location Latitude | 29.724843 Google Maps OpenStreetMap |
| Location Longitude | -95.884289 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 100 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 100 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Air Patrol |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2011-11-29 18:15:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| On Site Datetime | 2011-11-29 18:15:00 |
| Nrc Rpt Datetime | 2011-11-29 19:50:00 |
| Nrc Rpt Num | 996771 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Automatic |
| Downstream Valve Type Ind | Manual |
| Pipe Fac Name | S1 |
| Segment Name | Seaway Pipeline |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77441 |
| Onshore City Name | Fulshear |
| Onshore County Name | Fort Bend |
| Designated Location | Survey Station No. |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 30 |
| Pipe Wall Thickness | 0.312 |
| Pipe Smys | 70000 |
| Pipe Specification | Api 5l |
| Pipe Seam Type | Dsaw |
| Pipe Manufacturer | Armco |
| Pipe Coating Type | Other |
| Installation Year | 1976 |
| Manufactured Year | 1976 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | Yes |
| Remediation Ind | Yes |
| Groundwater Remed Ind | Yes |
| Soil Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 10000 |
| Est Cost Prop Damage | 3500 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 5900000 |
| Est Cost Other | 0 |
| Prpty | 5913500 |
| Accident Psig | 100 |
| Mop Psig | 899 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Pipeline Function | > 20% Smys Regulated Transmission |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Cpm In Place Ind | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf Ind | No |
| 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 | The line was down at the time of the accident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | Localized Pitting |
| Stray Current Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | Yes |
| Under Cathodic Protection Ind | Yes |
| Cathodic Pro Start Year | 1976 |
| Shielding Evident | No |
| Cathodic Survey Type | Yes |
| Cp Annual Survey Ind | Yes |
| Cp Annual Survey Year | 2011 |
| Prior Damage | No |
| Preparer Name | S**** D**** |
| Preparer Title | Senior Pipeline Compliance Engineer |
| Preparer Email | S******@e****.com |
| Preparer Telephone | 713.381.6487 |
| Prepared Date | 2014-12-12 00:00:00 |
| Authorizer Name | S**** D**** |
| Authorizer Telephone | 713.381.6487 |
| Authorizer Title | Senior Pipeline Compliance Engineer |
| Authorizer Email | S******@e****.com |
| Narrative | At 17:15 hrs pilot called enterprise employee from the air to notify of a possible leak. At 17:30 hrs supervisor was notified at 18:05 hrs pilot gave employee with lat and long of possible leak site. At 18:15 hrs leak site was found and confirmed. The site was hydrovac and found pinhole leak at the 5 o'clock position. It appeared to be external corrosion and possibly stray current since other pipelines was within 8 foot of the leak site. A b sleeve repair was made on the pipe and is back in service. 8/22/2012 soil remediation to continue for another 2-3 months. Long-term ground water remediation could continue another 2+ years. Remediation was completed. 12/2014 |
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