Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-11-21 — OK
Operator
Magellan Pipeline Company, Lp
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$12,000
Incident datetime
2018-11-21 10:23
Report number
Location
OK
Narrative
During a facility inspection, a technician observed product on the ground near the mainline scraper trap. Operations control was notified and pipeline shutdown procedures were implemented. Cleanup activities were initiated. Impacted soil was removed and properly disposed of. Investigation determined the leak originated from the dra injection line. A faulty check valve on the injection line allowed crude from the mainline to flow into the injection line to the release point. A mixture of dra and crude was released. The dra injection line was isolated from the mainline. The affected section of the line was removed and sent in for failure analysis. Above-grade piping was installed to allow dra operations to resume. Results of the metallurgical analysis indicate the leak was attributed to internal microbiologically-influenced corrosion (mic). The formation of acid-producing bacteria (apb) increased while in contact with the carbon steel pipe and resulted in the pitting attack and eventual perforation of the steel wall. Stainless steel pipe was used for the above-ground replacement section and the faulty check valve was replaced with two check valves to provide redundancy. 48-hr nrc update: #1231304, 11:43 11/26/18 supplemental/final (04/30/2019): part g1 and part h
Detailed record list
Report Received Date
2018-12-20 00:00:00
Iyear
2018
Report Number
20180395
Supplemental Number
32043
Report Type
Supplemental Final
Operator Id
22610
Name
Magellan Pipeline Company, Lp
Operator Street Address
100 West 5th Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103
Local Datetime
2018-11-21 10:23:00
Location Latitude
40.200319
Location Longitude
-104.607818
Commodity Released Type
Crude Oil
Unintentional Release Bbls
23.8
Recovered Bbls
23.8
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2018-11-21 10:23:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2018-11-21 10:24:00
Restart Datetime
2018-11-21 17:55:00
On Site Datetime
2018-11-21 10:23:00
Nrc Rpt Datetime
2018-11-21 11:27:00
Nrc Rpt Num
1230990
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Platteville
Segment Name
: Sta. No. 880
Onshore State Abbreviation
Co
Onshore Postal Code
80642
Onshore City Name
Not Within A Municipality
Onshore County Name
Weld
Designated Location
Milepost/valve Station
Designated Name
0
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Auxiliary Piping (E.g. Drain Lines)
Installation Year
2016
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
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
5000
Est Cost Prop Damage
12000
Est Cost Emergency
50000
Est Cost Environmental
0
Est Cost Other
0
Prpty
67000
Accident Psig
920
Mop Psig
1440
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
There were no indications in scada or on the cpm system that would have alerted the controller of the accident. The controller reacted appropriately upon receiving word of the accident from the field.
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 Microbiological Ind
Yes
Int Metallurgical 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
S****** L******
Preparer Title
Ai Analyst
Preparer Email
S**************@m*********.com
Preparer Telephone
918-574-7327
Preparer Fax
918-574-7376
Prepared Date
2019-04-30 00:00:00
Authorizer Name
M*** M******
Authorizer Telephone
918-574-7073
Authorizer Title
Mgr Integrity Mgmt And Regulatory Compliance
Authorizer Email
M***********@m*********.com
Narrative
During a facility inspection, a technician observed product on the ground near the mainline scraper trap. Operations control was notified and pipeline shutdown procedures were implemented. Cleanup activities were initiated. Impacted soil was removed and properly disposed of. Investigation determined the leak originated from the dra injection line. A faulty check valve on the injection line allowed crude from the mainline to flow into the injection line to the release point. A mixture of dra and crude was released. The dra injection line was isolated from the mainline. The affected section of the line was removed and sent in for failure analysis. Above-grade piping was installed to allow dra operations to resume. Results of the metallurgical analysis indicate the leak was attributed to internal microbiologically-influenced corrosion (mic). The formation of acid-producing bacteria (apb) increased while in contact with the carbon steel pipe and resulted in the pitting attack and eventual perforation of the steel wall. Stainless steel pipe was used for the above-ground replacement section and the faulty check valve was replaced with two check valves to provide redundancy. 48-hr nrc update: #1231304, 11:43 11/26/18 supplemental/final (04/30/2019): part g1 and part h
| Report Received Date | 2018-12-20 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180395 |
| Supplemental Number | 32043 |
| Report Type | Supplemental Final |
| Operator Id | 22610 PHMSA Enforcement |
| Name | Magellan Pipeline Company, Lp |
| Operator Street Address | 100 West 5th Street |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74103 |
| Local Datetime | 2018-11-21 10:23:00 |
| Location Latitude | 40.200319 Google Maps OpenStreetMap |
| Location Longitude | -104.607818 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 23.8 |
| Recovered Bbls | 23.8 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2018-11-21 10:23:00 |
| System Part Involved | Onshore Terminal/tank Farm Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2018-11-21 10:24:00 |
| Restart Datetime | 2018-11-21 17:55:00 |
| On Site Datetime | 2018-11-21 10:23:00 |
| Nrc Rpt Datetime | 2018-11-21 11:27:00 |
| Nrc Rpt Num | 1230990 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Platteville |
| Segment Name | : Sta. No. 880 |
| Onshore State Abbreviation | Co |
| Onshore Postal Code | 80642 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Weld |
| Designated Location | Milepost/valve Station |
| Designated Name | 0 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Auxiliary Piping (E.g. Drain Lines) |
| Installation Year | 2016 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| 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 | 5000 |
| Est Cost Prop Damage | 12000 |
| Est Cost Emergency | 50000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 67000 |
| Accident Psig | 920 |
| Mop Psig | 1440 |
| 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 | There were no indications in scada or on the cpm system that would have alerted the controller of the accident. The controller reacted appropriately upon receiving word of the accident from the field. |
| 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 Microbiological Ind | Yes |
| Int Metallurgical 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 | S****** L****** |
| Preparer Title | Ai Analyst |
| Preparer Email | S**************@m*********.com |
| Preparer Telephone | 918-574-7327 |
| Preparer Fax | 918-574-7376 |
| Prepared Date | 2019-04-30 00:00:00 |
| Authorizer Name | M*** M****** |
| Authorizer Telephone | 918-574-7073 |
| Authorizer Title | Mgr Integrity Mgmt And Regulatory Compliance |
| Authorizer Email | M***********@m*********.com |
| Narrative | During a facility inspection, a technician observed product on the ground near the mainline scraper trap. Operations control was notified and pipeline shutdown procedures were implemented. Cleanup activities were initiated. Impacted soil was removed and properly disposed of. Investigation determined the leak originated from the dra injection line. A faulty check valve on the injection line allowed crude from the mainline to flow into the injection line to the release point. A mixture of dra and crude was released. The dra injection line was isolated from the mainline. The affected section of the line was removed and sent in for failure analysis. Above-grade piping was installed to allow dra operations to resume. Results of the metallurgical analysis indicate the leak was attributed to internal microbiologically-influenced corrosion (mic). The formation of acid-producing bacteria (apb) increased while in contact with the carbon steel pipe and resulted in the pitting attack and eventual perforation of the steel wall. Stainless steel pipe was used for the above-ground replacement section and the faulty check valve was replaced with two check valves to provide redundancy. 48-hr nrc update: #1231304, 11:43 11/26/18 supplemental/final (04/30/2019): part g1 and part h |
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