Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2011-06-14 — TX
Operator
Chevron Pipe Line Co
Cause
Equipment 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)
$40,903
Incident datetime
2011-06-14 12:16
Report number
Location
TX
Narrative
Cpl employees were putting a stopple in place to make repairs to valves. During the removing of the segment bolt on the completion plug, the screw came out, causing the leak. Employees were on site at the time of the leak. The leak was isolated with main line block valves mp39 and mp52. Volume was vented to atmosphere at the hobbs station and nitrogen displacement back into the pipeline. The line was displaced with nitrogen, and the stopple fitting was removed.
Detailed record list
Report Received Date
2011-07-13 00:00:00
Iyear
2011
Report Number
20110243
Supplemental Number
15931
Report Type
Original 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
2011-06-14 12:16:00
Location Latitude
32.777568
Location Longitude
-102.950783
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
33
Intentional Release Bbls
1014
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Other
Accident Details
Cpl Employees Were Working On The Component When The Leak Occurred
Incident Identified Datetime
2011-06-14 12:16:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
On Site Datetime
2011-06-14 12:16:00
Nrc Rpt Datetime
2011-06-14 13:54:00
Nrc Rpt Num
979652
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 System
Segment Name
Hobbs To San Andres Jct.
Onshore State Abbreviation
Tx
Onshore Postal Code
79360
Onshore City Name
Seminole
Onshore County Name
Gaines
Designated Location
Milepost/valve Station
Designated Name
51.7
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Exposed Due To Excavation
Depth Of Cover
38
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.)
Installation Year
1986
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Stopple Fit. Lug Bolt Failed
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
64929
Est Cost Prop Damage
40903
Est Cost Emergency
3000
Est Cost Environmental
0
Est Cost Other
0
Prpty
108832
Accident Psig
1072
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
68640
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
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
Employees working at the site immediately notified control center to shut down
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Stopple Control Fitting Ind
Yes
Additional Defect Ind
Yes
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
2011-07-13 00:00:00
Authorizer Name
J* R* B****
Authorizer Telephone
713-432-3206
Authorizer Title
Dot Specialist
Authorizer Email
R*****@c******.com
Narrative
Cpl employees were putting a stopple in place to make repairs to valves. During the removing of the segment bolt on the completion plug, the screw came out, causing the leak. Employees were on site at the time of the leak. The leak was isolated with main line block valves mp39 and mp52. Volume was vented to atmosphere at the hobbs station and nitrogen displacement back into the pipeline. The line was displaced with nitrogen, and the stopple fitting was removed.
| Report Received Date | 2011-07-13 00:00:00 |
|---|---|
| Iyear | 2011 |
| Report Number | 20110243 |
| Supplemental Number | 15931 |
| Report Type | Original 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 | 2011-06-14 12:16:00 |
| Location Latitude | 32.777568 Google Maps OpenStreetMap |
| Location Longitude | -102.950783 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 | 33 |
| Intentional Release Bbls | 1014 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Other |
| Accident Details | Cpl Employees Were Working On The Component When The Leak Occurred |
| Incident Identified Datetime | 2011-06-14 12:16:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| On Site Datetime | 2011-06-14 12:16:00 |
| Nrc Rpt Datetime | 2011-06-14 13:54:00 |
| Nrc Rpt Num | 979652 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 System |
| Segment Name | Hobbs To San Andres Jct. |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79360 |
| Onshore City Name | Seminole |
| Onshore County Name | Gaines |
| Designated Location | Milepost/valve Station |
| Designated Name | 51.7 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Exposed Due To Excavation |
| Depth Of Cover | 38 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.) |
| Installation Year | 1986 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Stopple Fit. Lug Bolt Failed |
| 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 | 64929 |
| Est Cost Prop Damage | 40903 |
| Est Cost Emergency | 3000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 108832 |
| Accident Psig | 1072 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 68640 |
| 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 | 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 | Employees working at the site immediately notified control center to shut down |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Malfunction Of Control/relief Equipment |
| Eq Failure Type | Malfunction Of Control/relief Equipment |
| Stopple Control Fitting Ind | Yes |
| Additional Defect Ind | Yes |
| 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 | 2011-07-13 00:00:00 |
| Authorizer Name | J* R* B**** |
| Authorizer Telephone | 713-432-3206 |
| Authorizer Title | Dot Specialist |
| Authorizer Email | R*****@c******.com |
| Narrative | Cpl employees were putting a stopple in place to make repairs to valves. During the removing of the segment bolt on the completion plug, the screw came out, causing the leak. Employees were on site at the time of the leak. The leak was isolated with main line block valves mp39 and mp52. Volume was vented to atmosphere at the hobbs station and nitrogen displacement back into the pipeline. The line was displaced with nitrogen, and the stopple fitting was removed. |
External Resources
PHMSA pipeline safety insights.
Product
Features
Company
All rights reserved. Copyright © by ClearPHMSA