Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2011-11-08 — TX
Operator
Chevron Petrochemical Pipeline Llc
Cause
Material Failure Of Pipe Or Weld
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$517,016
Incident datetime
2011-11-08 10:00
Report number
Location
TX
Narrative
Local land owner called in to the company control center and reported dead vegetation approximately 4-feet in diameter on company right-of-way. Operation personnel was immediatly dispatched to reported site and the pipeline was immediatly shut down. The leak was so small that an instrumented combustiblbe gas indicator ad to be used to confirm leak. Root cause: material failure of original manufacturing-related (erw longitudinal seam "cold weld" lack of fusion), not a girth weld or other welds formed in the field. A "cold weld" was found in longitudinal erw-lf pipe seam, that could have been caused by dirt, grease, scale or other oxide films, or loss of electrical current, resulting in isolated non-bonding of the pipe weld seam. Metallurgical analysis concluded that the cold weld, where the pinhole leak was found, to be an original manufacturing defect. Solution: cut out the joint of pipe containting the leak and replaced with new pipe.
Detailed record list
Report Received Date
2011-12-08 00:00:00
Iyear
2011
Report Number
20110441
Supplemental Number
16715
Report Type
Supplemental Final
Operator Id
31554
Name
Chevron Petrochemical Pipeline Llc
Operator Street Address
9 Greenway Plaza
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77046
Local Datetime
2011-11-08 10:00:00
Location Latitude
30.355333
Location Longitude
-92.708299
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Ethylene
Unintentional Release Bbls
0.23
Intentional Release Bbls
500
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
Incident Identified Datetime
2011-11-08 10:00:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2011-11-08 10:30:00
Restart Datetime
2011-11-18 18:30:00
On Site Datetime
2011-11-08 10:00:00
Nrc Rpt Datetime
2011-11-08 10:50:00
Nrc Rpt Num
994910
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Evangeline Ethylene Pipeline System
Segment Name
Mile Post 81
Onshore State Abbreviation
La
Onshore Postal Code
70546
Onshore City Name
Jennings
Onshore County Name
Jefferson Davis
Designated Location
Milepost/valve Station
Designated Name
Mp 81
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
39
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Seam
Pipe Diameter
16
Pipe Wall Thickness
0.312
Pipe Smys
52000
Pipe Specification
Api 5 Lx
Pipe Seam Type
Erw - Low Frequency
Pipe Manufacturer
Youngstown Sheet And Tube Company. Ny
Pipe Coating Type
Coal Tar
Installation Year
1954
Manufactured Year
1953
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
No
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
35296
Est Cost Prop Damage
517016
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Est Cost Other Details
Pinhole Leak In Line Pipe
Prpty
552312
Accident Psig
1100
Mop Psig
1336
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
103784
Internal Inspection Ind
Yes
Operation Complications 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
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 leak was so small that it was not detedctable via scada
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Material Failure Of Pipe Or Weld
Cause Details
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Metallurgical Ind
Yes
Failure Type
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Other Factor
Yes
Other Factor Details
Defective Longitudinal Weld
Additional Lack Fusion Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Geometry Deformation Ind
Yes
Axial Recent Year
2007
Geometry Recent Year
2007
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
2001
Hydrtst Most Rcnt Pressure
1670
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
H**** L* L****
Preparer Title
Dot Pipeline Safety Specialist
Preparer Email
H*********@c******.com
Preparer Telephone
(337) 654-8915
Preparer Fax
(337) 572-3720
Prepared Date
2012-06-20 00:00:00
Authorizer Name
H**** L* L****
Authorizer Telephone
(337) 654-8915
Authorizer Title
Dot Pipeline Safety Specialist
Authorizer Email
H*********@c******.com
Narrative
Local land owner called in to the company control center and reported dead vegetation approximately 4-feet in diameter on company right-of-way. Operation personnel was immediatly dispatched to reported site and the pipeline was immediatly shut down. The leak was so small that an instrumented combustiblbe gas indicator ad to be used to confirm leak. Root cause: material failure of original manufacturing-related (erw longitudinal seam "cold weld" lack of fusion), not a girth weld or other welds formed in the field. A "cold weld" was found in longitudinal erw-lf pipe seam, that could have been caused by dirt, grease, scale or other oxide films, or loss of electrical current, resulting in isolated non-bonding of the pipe weld seam. Metallurgical analysis concluded that the cold weld, where the pinhole leak was found, to be an original manufacturing defect. Solution: cut out the joint of pipe containting the leak and replaced with new pipe.
| Report Received Date | 2011-12-08 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110441 |
| Supplemental Number | 16715 |
| Report Type | Supplemental Final |
| Operator Id | 31554 PHMSA Enforcement |
| Name | Chevron Petrochemical Pipeline Llc |
| Operator Street Address | 9 Greenway Plaza |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77046 |
| Local Datetime | 2011-11-08 10:00:00 |
| Location Latitude | 30.355333 Google Maps OpenStreetMap |
| Location Longitude | -92.708299 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Other Hvl |
| Commodity Details | Ethylene |
| Unintentional Release Bbls | 0.23 |
| Intentional Release Bbls | 500 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Public |
| Incident Identified Datetime | 2011-11-08 10:00:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2011-11-08 10:30:00 |
| Restart Datetime | 2011-11-18 18:30:00 |
| On Site Datetime | 2011-11-08 10:00:00 |
| Nrc Rpt Datetime | 2011-11-08 10:50:00 |
| Nrc Rpt Num | 994910 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Remotely Controlled |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Evangeline Ethylene Pipeline System |
| Segment Name | Mile Post 81 |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 70546 |
| Onshore City Name | Jennings |
| Onshore County Name | Jefferson Davis |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 81 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 39 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Seam |
| Pipe Diameter | 16 |
| Pipe Wall Thickness | 0.312 |
| Pipe Smys | 52000 |
| Pipe Specification | Api 5 Lx |
| Pipe Seam Type | Erw - Low Frequency |
| Pipe Manufacturer | Youngstown Sheet And Tube Company. Ny |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1954 |
| Manufactured Year | 1953 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | No |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 35296 |
| Est Cost Prop Damage | 517016 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Est Cost Other Details | Pinhole Leak In Line Pipe |
| Prpty | 552312 |
| Accident Psig | 1100 |
| Mop Psig | 1336 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 103784 |
| Internal Inspection Ind | Yes |
| Operation Complications 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 | 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 leak was so small that it was not detedctable via scada |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Material Failure Of Pipe Or Weld |
| Cause Details | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Metallurgical Ind | Yes |
| Failure Type | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Other Factor | Yes |
| Other Factor Details | Defective Longitudinal Weld |
| Additional Lack Fusion Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Geometry Deformation Ind | Yes |
| Axial Recent Year | 2007 |
| Geometry Recent Year | 2007 |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 2001 |
| Hydrtst Most Rcnt Pressure | 1670 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | H**** L* L**** |
| Preparer Title | Dot Pipeline Safety Specialist |
| Preparer Email | H*********@c******.com |
| Preparer Telephone | (337) 654-8915 |
| Preparer Fax | (337) 572-3720 |
| Prepared Date | 2012-06-20 00:00:00 |
| Authorizer Name | H**** L* L**** |
| Authorizer Telephone | (337) 654-8915 |
| Authorizer Title | Dot Pipeline Safety Specialist |
| Authorizer Email | H*********@c******.com |
| Narrative | Local land owner called in to the company control center and reported dead vegetation approximately 4-feet in diameter on company right-of-way. Operation personnel was immediatly dispatched to reported site and the pipeline was immediatly shut down. The leak was so small that an instrumented combustiblbe gas indicator ad to be used to confirm leak. Root cause: material failure of original manufacturing-related (erw longitudinal seam "cold weld" lack of fusion), not a girth weld or other welds formed in the field. A "cold weld" was found in longitudinal erw-lf pipe seam, that could have been caused by dirt, grease, scale or other oxide films, or loss of electrical current, resulting in isolated non-bonding of the pipe weld seam. Metallurgical analysis concluded that the cold weld, where the pinhole leak was found, to be an original manufacturing defect. Solution: cut out the joint of pipe containting the leak and replaced with new pipe. |
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