HL incident on 2023-07-06 — OK

Operator
Explorer Pipeline Co
Cause
Equipment Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities 0 injuries
Property damage (nominal)
$150
Incident datetime
2023-07-06 00:00 UTC
Report number
Location
OK
Narrative
On friday june 9, 2023, at 19:34 cst an explorer pipeline right of way specialist received a call directly from a landowner familiar with explorer personnel regarding a petroleum products odor around mile post 307 on the 28-inch pasadena, texas to greenville, texas line segment. Explorer personnel immediately notified the control center for a pipeline shutdown, and personnel were dispatched to mp 307. Explorer has a properly fenced outstation concrete vault equipped with a gravitometer and pipeline sphere detector called a pig sig. A pig sig is a component that is threaded into a tor and is utilized to send a notification when tripped that a cleaning pig or pipeline sphere is a predetermined volume upstream of the greenville tank farm. Five barrels of refined petroleum product were confirmed inside the concrete vault, and no product had been released outside the vault or off the fenced facility. The pig sig was submitted to the manufacturer who confirmed a failed viton o-ring inside the pig sig was the source of the release.
Detailed record list
Report Received Date
2023-07-06 00:00:00
Iyear
2023
Report Number
20230147
Supplemental Number
38787
Report Type
Supplemental Final
Operator Id
Name
Explorer Pipeline Co
Operator Street Address
Po Box 2650
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74101
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
Location Longitude
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Gasoline (Non-Ethanol)
Unintentional Release Bbls
5
Recovered Bbls
5
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
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
No
Shutdown Explain
Event Was During Normal Operation And Steady State.
Communication State Fed Ind
No
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Notify Qualified Indiv Ind
Yes
Oil Spill Removal Org Ind
Yes
Osro Arrived On Site Dt
6/9/2023 23:00
Num Pub Evacuated
0
Pipe Fac Name
Pasadena To Greenville
Segment Name
Pasadena To Greenville
Onshore State Abbreviation
Tx
Onshore Postal Code
75135
Onshore City Name
Caddo Mills
Onshore County Name
Hunt
Designated Location
Milepost
Designated Name
307
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
In Underground Enclosed Space (E.g. Vault)
Depth Of Cover
42
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.)
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Material Other Than Carbon Steel
Material Details
Viton
Release Type
Leak
Leak Type
Seal Or Packing
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
Other Pop Ind
Yes
Other Pop Yes No
Yes
Est Cost Oper Paid
0
Est Cost Gas Released
420
Est Cost Prop Damage
150
Est Cost Emergency
2000
Est Cost Environmental
0
Est Cost Other
0
Prpty
2570
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
45
Mop Psig
751
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
1971-01-21 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
The controllers actions or inactions did not cause or contribute to the event.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Threaded Fitting
Eq Additional Other Ind
Yes
Eq Additional Other Details
Seal From Threaded Fitting.
Preparer Name
K**** B****
Preparer Title
Manager Dot And Regulatory Compliance
Preparer Email
K*****@e***.com
Preparer Telephone
918-493-5104
Prepared Date
2023-11-10 00:00:00
Local Contact Name
C***** D*****
Local Contact Email
C******@e***.com
Local Contact Telephone
918-591-3142
Authorizer Name
L***** S******
Authorizer Telephone
918-359-5471
Authorizer Title
Vice President Hsse
Authorizer Email
L*******@e***.com
Narrative
On friday june 9, 2023, at 19:34 cst an explorer pipeline right of way specialist received a call directly from a landowner familiar with explorer personnel regarding a petroleum products odor around mile post 307 on the 28-inch pasadena, texas to greenville, texas line segment. Explorer personnel immediately notified the control center for a pipeline shutdown, and personnel were dispatched to mp 307. Explorer has a properly fenced outstation concrete vault equipped with a gravitometer and pipeline sphere detector called a pig sig. A pig sig is a component that is threaded into a tor and is utilized to send a notification when tripped that a cleaning pig or pipeline sphere is a predetermined volume upstream of the greenville tank farm. Five barrels of refined petroleum product were confirmed inside the concrete vault, and no product had been released outside the vault or off the fenced facility. The pig sig was submitted to the manufacturer who confirmed a failed viton o-ring inside the pig sig was the source of the release.
Report Received Date 2023-07-06 00:00:00
Iyear 2023
Report Number 20230147
Supplemental Number 38787
Report Type Supplemental Final
Operator Id 4805 PHMSA Enforcement
Name Explorer Pipeline Co
Operator Street Address Po Box 2650
Operator City Name Tulsa
Operator State Abbreviation OK
Operator Postal Code 74101
Time Zone Central
Daylight Savings Ind Yes
Location Latitude 32.983557 Google Maps OpenStreetMap
Location Longitude -96.191194 Google Maps OpenStreetMap
Commodity Released Type Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype Gasoline (Non-Ethanol)
Unintentional Release Bbls 5
Recovered Bbls 5
Fatality Ind No
Fatal 0
Injury Ind No
Injure 0
Accident Identifier Notification From Public
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 No
Shutdown Explain Event Was During Normal Operation And Steady State.
Communication State Fed Ind No
Nrc Rpt Num Nrc Notification Not Required NRC Report How to search
Ignite Ind No
Notify Qualified Indiv Ind Yes
Oil Spill Removal Org Ind Yes
Osro Arrived On Site Dt 6/9/2023 23:00
Num Pub Evacuated 0
Pipe Fac Name Pasadena To Greenville
Segment Name Pasadena To Greenville
Onshore State Abbreviation Tx
Onshore Postal Code 75135
Onshore City Name Caddo Mills
Onshore County Name Hunt
Designated Location Milepost
Designated Name 307
Federal No
Location Type Totally Contained On Operator-Controlled Property
Incident Area Type Underground
Incident Area Subtype In Underground Enclosed Space (E.g. Vault)
Depth Of Cover 42
Crossing No
Pipe Facility Type Interstate
Item Involved Tap Fitting(Stopple, Thread-O-Ring, Weld-O-Let, Etc.)
Installation Year Unknown
Manufactured Year Unknown
Material Involved Material Other Than Carbon Steel
Material Details Viton
Release Type Leak
Leak Type Seal Or Packing
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
Other Pop Ind Yes
Other Pop Yes No Yes
Est Cost Oper Paid 0
Est Cost Gas Released 420
Est Cost Prop Damage 150
Est Cost Emergency 2000
Est Cost Environmental 0
Est Cost Other 0
Prpty 2570
Num Persons Hosp Not Ovnght 0
Num Injured Treated By Emt 0
Num Resident Building Affctd 0
Num Business Building Affctd 0
Accident Psig 45
Mop Psig 751
Mop Cfr Section Component Design Pressure �195.406(A)(2) View CFR 49 §192
Maop Established Date 1971-01-21 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 The controllers actions or inactions did not cause or contribute to the event.
Employee Drug Test Ind No
Contractor Drug Test Ind No
Cause Equipment Failure
Cause Details Threaded Connection/coupling Failure
Eq Failure Type Threaded Connection/coupling Failure
Other Stripped Ind Threaded Fitting
Eq Additional Other Ind Yes
Eq Additional Other Details Seal From Threaded Fitting.
Preparer Name K**** B****
Preparer Title Manager Dot And Regulatory Compliance
Preparer Email K*****@e***.com
Preparer Telephone 918-493-5104
Prepared Date 2023-11-10 00:00:00
Local Contact Name C***** D*****
Local Contact Email C******@e***.com
Local Contact Telephone 918-591-3142
Authorizer Name L***** S******
Authorizer Telephone 918-359-5471
Authorizer Title Vice President Hsse
Authorizer Email L*******@e***.com
Narrative On friday june 9, 2023, at 19:34 cst an explorer pipeline right of way specialist received a call directly from a landowner familiar with explorer personnel regarding a petroleum products odor around mile post 307 on the 28-inch pasadena, texas to greenville, texas line segment. Explorer personnel immediately notified the control center for a pipeline shutdown, and personnel were dispatched to mp 307. Explorer has a properly fenced outstation concrete vault equipped with a gravitometer and pipeline sphere detector called a pig sig. A pig sig is a component that is threaded into a tor and is utilized to send a notification when tripped that a cleaning pig or pipeline sphere is a predetermined volume upstream of the greenville tank farm. Five barrels of refined petroleum product were confirmed inside the concrete vault, and no product had been released outside the vault or off the fenced facility. The pig sig was submitted to the manufacturer who confirmed a failed viton o-ring inside the pig sig was the source of the release.

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