Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2010-10-23 — TX
Operator
Chevron Pipe Line Co
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)
$0
Incident datetime
2010-10-23 01:00
Report number
Location
TX
Narrative
Cpl field personnel responded to a report of a possible release on the wtx lpg 14 in. Line near mp 52 in palo pinto county, tx. After examining the area, cpl field personnel discovered a small patch of dead grass approximately 25 feet off the 14in. Pipeline. A maintenance crew was called out to excavate the location and after reaching the pipeline, a small pinhole leak was discovered. The line was isolated and monitored until morning, when the pipeline was safely repaired.
Detailed record list
Report Received Date
2010-11-22 00:00:00
Iyear
2010
Report Number
20100252
Supplemental Number
15697
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
2010-10-23 01:00:00
Location Latitude
32.6075
Location Longitude
-98.1
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
6.2
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
Incident Identified Datetime
2010-10-23 01:00:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
On Site Datetime
2010-10-23 01:20:00
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
14" Ranger To Weatherford
Onshore State Abbreviation
Tx
Onshore Postal Code
76472
Onshore City Name
Santo
Onshore County Name
Palo Pinto
Designated Location
Milepost/valve Station
Designated Name
52
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
56
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
14
Pipe Wall Thickness
0.219
Pipe Smys
52000
Pipe Specification
X-52
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Installation Year
1967
Manufactured Year
1967
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
150
Est Cost Prop Damage
0
Est Cost Emergency
5000
Est Cost Environmental
0
Est Cost Other
24000
Est Cost Other Details
Pipeline Repair
Prpty
29150
Accident Psig
425
Mop Psig
863
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
61221
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 extremely low volume released through the pinhole, could not have been detected by the controller.
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)
Field Exam Ind
Yes
Failure Type
Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field)
Other Factor
Yes
Other Factor Details
A Pinhole Developed In The Wall Of What Appears To Be Sound Pipe
Pwf Additional Other Ind
Yes
Collected Data Ind
Yes
Axial Magnetic Flx Lkg Ind
Yes
Axial Recent Year
2005
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
1967
Hydrtst Most Rcnt Pressure
1244
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
2011-03-22 00:00:00
Authorizer Name
J* R* B****
Authorizer Telephone
713-432-3206
Authorizer Title
Dot Specialist
Authorizer Email
R*****@c******.com
Narrative
Cpl field personnel responded to a report of a possible release on the wtx lpg 14 in. Line near mp 52 in palo pinto county, tx. After examining the area, cpl field personnel discovered a small patch of dead grass approximately 25 feet off the 14in. Pipeline. A maintenance crew was called out to excavate the location and after reaching the pipeline, a small pinhole leak was discovered. The line was isolated and monitored until morning, when the pipeline was safely repaired.
| Report Received Date | 2010-11-22 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100252 |
| Supplemental Number | 15697 |
| 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 | 2010-10-23 01:00:00 |
| Location Latitude | 32.6075 Google Maps OpenStreetMap |
| Location Longitude | -98.1 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 | 6.2 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Public |
| Incident Identified Datetime | 2010-10-23 01:00:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| On Site Datetime | 2010-10-23 01:20:00 |
| 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 | 14" Ranger To Weatherford |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 76472 |
| Onshore City Name | Santo |
| Onshore County Name | Palo Pinto |
| Designated Location | Milepost/valve Station |
| Designated Name | 52 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 56 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 14 |
| Pipe Wall Thickness | 0.219 |
| Pipe Smys | 52000 |
| Pipe Specification | X-52 |
| Pipe Seam Type | Seamless |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1967 |
| Manufactured Year | 1967 |
| 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 | 150 |
| Est Cost Prop Damage | 0 |
| Est Cost Emergency | 5000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 24000 |
| Est Cost Other Details | Pipeline Repair |
| Prpty | 29150 |
| Accident Psig | 425 |
| Mop Psig | 863 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 61221 |
| 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 extremely low volume released through the pinhole, could not have been detected by the controller. |
| 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) |
| Field Exam Ind | Yes |
| Failure Type | Original Manufacturing-Related (Not Girth Weld Or Other Welds Formed In The Field) |
| Other Factor | Yes |
| Other Factor Details | A Pinhole Developed In The Wall Of What Appears To Be Sound Pipe |
| Pwf Additional Other Ind | Yes |
| Collected Data Ind | Yes |
| Axial Magnetic Flx Lkg Ind | Yes |
| Axial Recent Year | 2005 |
| Has Hydrtst Conduc Before Ind | Yes |
| Hydrtst Most Rcnt Year | 1967 |
| Hydrtst Most Rcnt Pressure | 1244 |
| 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 | 2011-03-22 00:00:00 |
| Authorizer Name | J* R* B**** |
| Authorizer Telephone | 713-432-3206 |
| Authorizer Title | Dot Specialist |
| Authorizer Email | R*****@c******.com |
| Narrative | Cpl field personnel responded to a report of a possible release on the wtx lpg 14 in. Line near mp 52 in palo pinto county, tx. After examining the area, cpl field personnel discovered a small patch of dead grass approximately 25 feet off the 14in. Pipeline. A maintenance crew was called out to excavate the location and after reaching the pipeline, a small pinhole leak was discovered. The line was isolated and monitored until morning, when the pipeline was safely repaired. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA