HL incident on 2023-08-10 — TX

Operator
Mid - Valley Pipeline Co
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$70,000
Incident datetime
2023-08-10 00:00 UTC
Report number
Location
TX
Narrative
On 7/14/23 at 11:41, local operations discovered a leak at the sun terminal meter station manifold. The control room was contacted and shut down and isolated the facility. A fitting on the 16-inch pressure relief line was identified as the source of the leak. Approximately, 28 barrels of crude oil was released to soil and rock inside the station. Clean-up crews removed free product and contaminated soil/rock. The failed piping was cut out and replaced. The cause of the failure was determined to be internal corrosion.
Detailed record list
Report Received Date
2023-08-10 00:00:00
Iyear
2023
Report Number
20230185
Supplemental Number
38378
Report Type
Original Final
Operator Id
Name
Mid - Valley Pipeline Co
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Time Zone
Eastern
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Crude Oil
Unintentional Release Bbls
28
Recovered Bbls
28
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Nrc Rpt Num
Additional Nrc Report Numbers
1373202
Ignite Ind
No
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
Yes
Osro Arrived On Site Dt
7/14/2023 13:39
Num Pub Evacuated
0
Pipe Fac Name
Sun Terminal Meter Station
Segment Name
16-Inch Prl Toledo Delivery Line
Onshore State Abbreviation
Oh
Onshore Postal Code
43616
Onshore City Name
Oregon
Onshore County Name
Lucas
Designated Location
Milepost
Designated Name
76
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
24
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Relief Line And Relief Equipment
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
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
2100
Est Cost Prop Damage
70000
Est Cost Emergency
130000
Est Cost Environmental
55000
Est Cost Other
0
Prpty
257100
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
87
Mop Psig
960
Mop Cfr Section
Subpart E Pressure Test �195.406(A)(3)
Maop Established Date
1969-04-05 00:00:00
Maop Reversal Flow Ind
No
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
A review of the accident determined that there were no control room actions that contributed to the event.
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 Other Basis Ind
Yes
Int Corrosion Basis Details
Nde Scan
Int Low Point Pipe Loc Ind
Yes
Int Elbow 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
T*** N*******
Preparer Title
Director - Regulatory Compliance
Preparer Email
T************@e*************.com
Preparer Telephone
713-989-7126
Prepared Date
2023-08-10 00:00:00
Authorizer Name
T*** N*******
Authorizer Telephone
713-989-7126
Authorizer Title
Director - Regulatory Compliance
Authorizer Email
T************@e*************.com
Narrative
On 7/14/23 at 11:41, local operations discovered a leak at the sun terminal meter station manifold. The control room was contacted and shut down and isolated the facility. A fitting on the 16-inch pressure relief line was identified as the source of the leak. Approximately, 28 barrels of crude oil was released to soil and rock inside the station. Clean-up crews removed free product and contaminated soil/rock. The failed piping was cut out and replaced. The cause of the failure was determined to be internal corrosion.
Report Received Date 2023-08-10 00:00:00
Iyear 2023
Report Number 20230185
Supplemental Number 38378
Report Type Original Final
Operator Id 12470 PHMSA Enforcement
Name Mid - Valley Pipeline Co
Operator Street Address 1300 Main Street
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77002
Time Zone Eastern
Daylight Savings Ind Yes
Location Latitude 41.623703 Google Maps OpenStreetMap
Location Longitude -83.486666 Google Maps OpenStreetMap
Commodity Released Type Crude Oil
Unintentional Release Bbls 28
Recovered Bbls 28
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Local Operating Personnel, Including Contractors
Operator Type Operator Employee
System Part Involved Onshore Pump/meter Station Equipment And Piping
On Off Shore Onshore
Status When Identified Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind Yes
Communication State Fed Ind Yes
Party Initiated Communication Operator
Nrc Rpt Num 1373062 NRC Report How to search
Additional Nrc Report Numbers 1373202
Ignite Ind No
Notify Qualified Indiv Ind Yes
Oil Spill Removal Org Ind Yes
Osro Arrived On Site Dt 7/14/2023 13:39
Num Pub Evacuated 0
Pipe Fac Name Sun Terminal Meter Station
Segment Name 16-Inch Prl Toledo Delivery Line
Onshore State Abbreviation Oh
Onshore Postal Code 43616
Onshore City Name Oregon
Onshore County Name Lucas
Designated Location Milepost
Designated Name 76
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 24
Crossing No
Pipe Facility Type Interstate
Item Involved Relief Line And Relief Equipment
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
Wildlife Impact Ind No
Soil Contamination Yes
Long Term Assessment No
Remediation Ind Yes
Soil Remed Ind Yes
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 2100
Est Cost Prop Damage 70000
Est Cost Emergency 130000
Est Cost Environmental 55000
Est Cost Other 0
Prpty 257100
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 87
Mop Psig 960
Mop Cfr Section Subpart E Pressure Test �195.406(A)(3) View CFR 49 §192
Maop Established Date 1969-04-05 00:00:00
Maop Reversal Flow Ind No
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 A review of the accident determined that there were no control room actions that contributed to the event.
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 Other Basis Ind Yes
Int Corrosion Basis Details Nde Scan
Int Low Point Pipe Loc Ind Yes
Int Elbow 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 T*** N*******
Preparer Title Director - Regulatory Compliance
Preparer Email T************@e*************.com
Preparer Telephone 713-989-7126
Prepared Date 2023-08-10 00:00:00
Authorizer Name T*** N*******
Authorizer Telephone 713-989-7126
Authorizer Title Director - Regulatory Compliance
Authorizer Email T************@e*************.com
Narrative On 7/14/23 at 11:41, local operations discovered a leak at the sun terminal meter station manifold. The control room was contacted and shut down and isolated the facility. A fitting on the 16-inch pressure relief line was identified as the source of the leak. Approximately, 28 barrels of crude oil was released to soil and rock inside the station. Clean-up crews removed free product and contaminated soil/rock. The failed piping was cut out and replaced. The cause of the failure was determined to be internal corrosion.

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