Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2015-07-28 — TX
Operator
Tesoro Logistics Operations Llc - Mountain Region
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$16,000
Incident datetime
2015-07-28 14:36
Report number
Location
TX
Narrative
A contractor working for tesoro observed a leak occurring on above ground piping at the remote tank farm on july 28, 2015. Tesoro pipeline personnel were notified and responded at 14:36. They found a pin-hole leak had developed on the bottom of a 2" line coming off the pig trap bypass line on a launcher/receiver skid. Approximately 3 barrels of crude had been released into containment with less than 1 gallon of spray on the gravel surrounding the equipment. A clamp was installed on the line, and it is scheduled for removal. Update: the pipe was cut out and visually inspected. Internal corrosion was evident at the pin hole location which was at the low spot of the pipe.
Detailed record list
Report Received Date
2015-08-27 00:00:00
Iyear
2015
Report Number
20150310
Supplemental Number
21203
Report Type
Supplemental Final
Operator Id
31583
Name
Tesoro Logistics Operations Llc - Mountain Region
Operator Street Address
19100 Ridgewood Parkway
Operator City Name
San Antonio
Operator State Abbreviation
TX
Operator Postal Code
78259
Local Datetime
2015-07-28 14:36:00
Location Latitude
40.804771
Location Longitude
-111.927762
Commodity Released Type
Crude Oil
Unintentional Release Bbls
3
Recovered Bbls
3
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2015-07-28 14:36:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Line Wasn't Operating At The Time Of The Leak.
On Site Datetime
2015-07-28 15:30:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Salt Lake City
Segment Name
8" Crude From Chevron To Rtf
Onshore State Abbreviation
Ut
Onshore Postal Code
84116
Onshore City Name
Salt Lake City
Onshore County Name
Salt Lake
Designated Location
Milepost/valve Station
Designated Name
Ne Corner Rtf
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Auxiliary Piping (E.g. Drain Lines)
Installation Year
1994
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
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
150
Est Cost Prop Damage
16000
Est Cost Emergency
1500
Est Cost Environmental
800
Est Cost Other
0
Prpty
18450
Accident Psig
17
Mop Psig
740
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 leak was not discovered by the control room. Also, no action was required by the control room as the line was not in operation at the time of the leak.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Water Acid Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
No
Corrosion Lining
No
Cleaning Dewatering
Not Applicable - Not Mainline Pipe
Corrosion Coupons
Not Applicable - Not Mainline Pipe
Preparer Name
A***** R********
Preparer Title
Senior Regulatory Compliance Specialist
Preparer Email
A***************@t******.com
Preparer Telephone
210-626-4262
Prepared Date
2016-03-08 00:00:00
Authorizer Name
A**** M*******
Authorizer Telephone
210-626-6343
Authorizer Title
Director Compliance-Logistics
Authorizer Email
A***************@t******.com
Narrative
A contractor working for tesoro observed a leak occurring on above ground piping at the remote tank farm on july 28, 2015. Tesoro pipeline personnel were notified and responded at 14:36. They found a pin-hole leak had developed on the bottom of a 2" line coming off the pig trap bypass line on a launcher/receiver skid. Approximately 3 barrels of crude had been released into containment with less than 1 gallon of spray on the gravel surrounding the equipment. A clamp was installed on the line, and it is scheduled for removal. Update: the pipe was cut out and visually inspected. Internal corrosion was evident at the pin hole location which was at the low spot of the pipe.
| Report Received Date | 2015-08-27 00:00:00 |
|---|---|
| Iyear | 2015 |
| Report Number | 20150310 |
| Supplemental Number | 21203 |
| Report Type | Supplemental Final |
| Operator Id | 31583 PHMSA Enforcement |
| Name | Tesoro Logistics Operations Llc - Mountain Region |
| Operator Street Address | 19100 Ridgewood Parkway |
| Operator City Name | San Antonio |
| Operator State Abbreviation | TX |
| Operator Postal Code | 78259 |
| Local Datetime | 2015-07-28 14:36:00 |
| Location Latitude | 40.804771 Google Maps OpenStreetMap |
| Location Longitude | -111.927762 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 3 |
| Recovered Bbls | 3 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2015-07-28 14:36:00 |
| System Part Involved | Onshore Terminal/tank Farm Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Line Wasn't Operating At The Time Of The Leak. |
| On Site Datetime | 2015-07-28 15:30:00 |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Salt Lake City |
| Segment Name | 8" Crude From Chevron To Rtf |
| Onshore State Abbreviation | Ut |
| Onshore Postal Code | 84116 |
| Onshore City Name | Salt Lake City |
| Onshore County Name | Salt Lake |
| Designated Location | Milepost/valve Station |
| Designated Name | Ne Corner Rtf |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Auxiliary Piping (E.g. Drain Lines) |
| Installation Year | 1994 |
| 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 | Yes |
| Commodity Reached Hca | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 150 |
| Est Cost Prop Damage | 16000 |
| Est Cost Emergency | 1500 |
| Est Cost Environmental | 800 |
| Est Cost Other | 0 |
| Prpty | 18450 |
| Accident Psig | 17 |
| Mop Psig | 740 |
| 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 leak was not discovered by the control room. Also, no action was required by the control room as the line was not in operation at the time of the leak. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | Internal Corrosion |
| Internal External | Internal Corrosion |
| Int Visual Exam Results | Localized Pitting |
| Int Water Acid Ind | Yes |
| Int Field Exam Basis Ind | Yes |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | No |
| Corrosion Lining | No |
| Cleaning Dewatering | Not Applicable - Not Mainline Pipe |
| Corrosion Coupons | Not Applicable - Not Mainline Pipe |
| Preparer Name | A***** R******** |
| Preparer Title | Senior Regulatory Compliance Specialist |
| Preparer Email | A***************@t******.com |
| Preparer Telephone | 210-626-4262 |
| Prepared Date | 2016-03-08 00:00:00 |
| Authorizer Name | A**** M******* |
| Authorizer Telephone | 210-626-6343 |
| Authorizer Title | Director Compliance-Logistics |
| Authorizer Email | A***************@t******.com |
| Narrative | A contractor working for tesoro observed a leak occurring on above ground piping at the remote tank farm on july 28, 2015. Tesoro pipeline personnel were notified and responded at 14:36. They found a pin-hole leak had developed on the bottom of a 2" line coming off the pig trap bypass line on a launcher/receiver skid. Approximately 3 barrels of crude had been released into containment with less than 1 gallon of spray on the gravel surrounding the equipment. A clamp was installed on the line, and it is scheduled for removal. Update: the pipe was cut out and visually inspected. Internal corrosion was evident at the pin hole location which was at the low spot of the pipe. |
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