Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2010-05-20 — TX
Operator
Chevron Pipe Line Co
Cause
Corrosion Failure
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)
$35,000
Incident datetime
2010-05-20 10:35
Report number
Location
TX
Narrative
At 1030 cdt on 20 may 10 cpl field personnel were performing row maintenance on the wtx lpg lone camp lateral in palo pinto county, tx. When they discovered a small diameter ice patch @ mp 2.57, 200' north of gibbs rd. Near gordon, tx. The line was shut down and isolated. After evacuating the product from the line, the crews purged the line with nitrogen until it could be safely excavated. The crew found a small pinhole leak in a pit to be the cause. They replaced the leaking section & brought the lateral back online @ 20:00 on 23 may 10.
Detailed record list
Report Received Date
2010-06-18 00:00:00
Iyear
2010
Report Number
20100118
Supplemental Number
15866
Report Type
Supplemental Final
Operator Id
2731
Name
Chevron Pipe Line Co
Operator Street Address
1400 Smith Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2010-05-20 10:30:00
Location Latitude
32.56184
Location Longitude
-98.350678
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
4.1
Intentional Release Bbls
115
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Ground Patrol By Operator Or Its Contractor
Operator Type
Operator Employee
Incident Identified Datetime
2010-05-20 10:35:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-05-20 10:40:00
Restart Datetime
2010-05-23 20:00:00
On Site Datetime
2010-05-20 10:40:00
Nrc Rpt Datetime
2010-05-20 11:48:00
Nrc Rpt Num
940995
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
West Texas Lpg
Segment Name
4" Lone Camp Lpg Lateral
Onshore State Abbreviation
Tx
Onshore Postal Code
76453
Onshore City Name
Gordon
Onshore County Name
Palo Pinto
Designated Location
Milepost/valve Station
Designated Name
M.p. 2.57
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
34
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
4.5
Pipe Wall Thickness
0.188
Pipe Smys
35000
Pipe Specification
Grade B
Pipe Seam Type
Seamless
Pipe Manufacturer
Textube
Pipe Coating Type
Composite
Installation Year
1976
Manufactured Year
1976
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
20000
Est Cost Prop Damage
35000
Est Cost Emergency
15000
Est Cost Environmental
0
Est Cost Other
0
Prpty
70000
Accident Psig
750
Mop Psig
1300
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
36960
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
Yes
Scada Conf Ind
Yes
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 very small volumes escaping through the pinhole, gave no indication of a pipeline leak.
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
Galvanic 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
2010
Prior Damage
No
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Axial Recent Year
2005
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
1976
Hydrtst Most Rcnt Pressure
2205
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
J* R* B****
Preparer Title
Dot Specialist
Preparer Email
R*****@c******.com
Preparer Telephone
713-432-3206
Preparer Fax
713-432-3477
Prepared Date
2011-06-20 00:00:00
Authorizer Name
J* R* B****
Authorizer Telephone
713-432-3206
Authorizer Title
Dot Specialist
Authorizer Email
R*****@c******.com
Narrative
A***************************************************************************************************************************************************************************************@ mp 2.57, 200' north of gibbs rd. Near gordon, tx. The line was shut down and isolated. After evacuating the product from the line, the crews purged the line with nitrogen until it could be safely excavated. The crew found a small pinhole leak in a pit to be the cause. ****************************************************************************************.
| Report Received Date | 2010-06-18 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100118 |
| Supplemental Number | 15866 |
| Report Type | Supplemental Final |
| Operator Id | 2731 PHMSA Enforcement |
| Name | Chevron Pipe Line Co |
| Operator Street Address | 1400 Smith Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2010-05-20 10:30:00 |
| Location Latitude | 32.56184 Google Maps OpenStreetMap |
| Location Longitude | -98.350678 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 4.1 |
| Intentional Release Bbls | 115 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Ground Patrol By Operator Or Its Contractor |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2010-05-20 10:35:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2010-05-20 10:40:00 |
| Restart Datetime | 2010-05-23 20:00:00 |
| On Site Datetime | 2010-05-20 10:40:00 |
| Nrc Rpt Datetime | 2010-05-20 11:48:00 |
| Nrc Rpt Num | 940995 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | West Texas Lpg |
| Segment Name | 4" Lone Camp Lpg Lateral |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 76453 |
| Onshore City Name | Gordon |
| Onshore County Name | Palo Pinto |
| Designated Location | Milepost/valve Station |
| Designated Name | M.p. 2.57 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 34 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 4.5 |
| Pipe Wall Thickness | 0.188 |
| Pipe Smys | 35000 |
| Pipe Specification | Grade B |
| Pipe Seam Type | Seamless |
| Pipe Manufacturer | Textube |
| Pipe Coating Type | Composite |
| Installation Year | 1976 |
| Manufactured Year | 1976 |
| 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 | 20000 |
| Est Cost Prop Damage | 35000 |
| Est Cost Emergency | 15000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 70000 |
| Accident Psig | 750 |
| Mop Psig | 1300 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 36960 |
| 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 | Yes |
| Scada Conf Ind | Yes |
| 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 very small volumes escaping through the pinhole, gave no indication of a pipeline leak. |
| 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 |
| Galvanic 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 | 2010 |
| Prior Damage | No |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Axial Recent Year | 2005 |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 1976 |
| Hydrtst Most Rcnt Pressure | 2205 |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | J* R* B**** |
| Preparer Title | Dot Specialist |
| Preparer Email | R*****@c******.com |
| Preparer Telephone | 713-432-3206 |
| Preparer Fax | 713-432-3477 |
| Prepared Date | 2011-06-20 00:00:00 |
| Authorizer Name | J* R* B**** |
| Authorizer Telephone | 713-432-3206 |
| Authorizer Title | Dot Specialist |
| Authorizer Email | R*****@c******.com |
| Narrative | A***************************************************************************************************************************************************************************************@ mp 2.57, 200' north of gibbs rd. Near gordon, tx. The line was shut down and isolated. After evacuating the product from the line, the crews purged the line with nitrogen until it could be safely excavated. The crew found a small pinhole leak in a pit to be the cause. ****************************************************************************************. |
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