Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2023-10-12 — LA
Operator
Cox Operating Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$282,362
Incident datetime
2023-10-12 00:00 UTC
Report number
Location
LA
Narrative
Operators noticed a sheen coming from smi-239d while pumping down stock tank. After investigating, it was found to be a pinhole on the riser of the 6' departing oil pipeline psn-9050 the pipeline was subsequently placed out of service. Since cox wanting to address all of the external corrosion in this area of the riser, cox decided to replace a spool piece in lieu of a clamp. Also bsee has issuing cox incs for clamps on a risers in the past which we wanted to avoid. The repair was completed on 10/09/2023. Yes, this area was identified for moderate corrosion during the last atmospheric inspection.
Detailed record list
Report Received Date
2023-10-12 00:00:00
Iyear
2023
Report Number
20230239
Supplemental Number
38722
Report Type
Supplemental Final
Operator Id
39498
Name
Cox Operating Llc
Operator Street Address
3838 N. Causeway Blvd Suite 2900
Operator City Name
Metairie
Operator State Abbreviation
LA
Operator Postal Code
70002
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
29.332222
Location Longitude
-91.870556
Commodity Released Type
Crude Oil
Unintentional Release Bbls
0.1
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Other
Accident Details
Platform Operator Saw Sheen On Water.
System Part Involved
Offshore Pipeline, Including Riser And Riser Bend
On Off Shore
Offshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Nrc Rpt Num
1378814
Additional Nrc Report Numbers
1378992; 1379442; 1379540
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Type Ind
Manual
Downstream Action Taken
Valve Closure
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Smi239 D Pipeline
Segment Name
9050
Off Water Depth
17
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Ocs Type
Ocs-Gulf Of Mexico
Off Ocs Area
South Marsh Island
Off Ocs Block
239 D
Off Area Accident Type
Portion Of Riser Outside Of Splash Zone, Including Riser Bend
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Puddle Weld Ind
No
Pipe Diameter
6
Pipe Wall Thickness
0.432
Pipe Smys
35000
Pipe Specification
Apl5-Grade B
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Epoxy Other Than Fbe
Coating Applied Ind
No
Installation Year
1990
Manufactured Year
Unknown
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
Yes
Ocean Seawater Ind
Yes
Amount Released
0.04
Rel Water Name
Gulf Of Mexico
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
4
Est Cost Prop Damage
282362
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
282366
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
80
Mop Psig
1440
Mop Cfr Section
Component Design Pressure �195.406(A)(2)
Maop Established Date
1990-08-21 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
40986
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Operation Complications Ind
No
Pipeline Function
=< 20% Smys Regulated Gathering
Scada In Place Ind
No
Cpm In Place Ind
No
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the accident
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
General Corrosion
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
T*** M******
Preparer Title
Pipeline Compliance
Preparer Email
T*******@c*****.com
Preparer Telephone
985-855-1236
Prepared Date
2023-10-30 00:00:00
Local Contact Name
T*** M******
Local Contact Email
T*******@c*****.com
Local Contact Telephone
985-855-1236
Authorizer Name
T*** M******
Authorizer Telephone
985-855-1236
Authorizer Title
Pipeline Compliance
Authorizer Email
T*******@c*****.com
Narrative
Operators noticed a sheen coming from smi-239d while pumping down stock tank. After investigating, it was found to be a pinhole on the riser of the 6' departing oil pipeline psn-9050 the pipeline was subsequently placed out of service. Since cox wanting to address all of the external corrosion in this area of the riser, cox decided to replace a spool piece in lieu of a clamp. Also bsee has issuing cox incs for clamps on a risers in the past which we wanted to avoid. The repair was completed on 10/09/2023. Yes, this area was identified for moderate corrosion during the last atmospheric inspection.
| Report Received Date | 2023-10-12 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230239 |
| Supplemental Number | 38722 |
| Report Type | Supplemental Final |
| Operator Id | 39498 PHMSA Enforcement |
| Name | Cox Operating Llc |
| Operator Street Address | 3838 N. Causeway Blvd Suite 2900 |
| Operator City Name | Metairie |
| Operator State Abbreviation | LA |
| Operator Postal Code | 70002 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 29.332222 Google Maps OpenStreetMap |
| Location Longitude | -91.870556 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 0.1 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Other |
| Accident Details | Platform Operator Saw Sheen On Water. |
| System Part Involved | Offshore Pipeline, Including Riser And Riser Bend |
| On Off Shore | Offshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1378814 NRC Report How to search |
| Additional Nrc Report Numbers | 1378992; 1379442; 1379540 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Type Ind | Manual |
| Downstream Action Taken | Valve Closure |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Smi239 D Pipeline |
| Segment Name | 9050 |
| Off Water Depth | 17 |
| Off Accident Origin | On The Outer Continental Shelf (Ocs) |
| Ocs Type | Ocs-Gulf Of Mexico |
| Off Ocs Area | South Marsh Island |
| Off Ocs Block | 239 D |
| Off Area Accident Type | Portion Of Riser Outside Of Splash Zone, Including Riser Bend |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Puddle Weld Ind | No |
| Pipe Diameter | 6 |
| Pipe Wall Thickness | 0.432 |
| Pipe Smys | 35000 |
| Pipe Specification | Apl5-Grade B |
| Pipe Seam Type | Seamless |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Epoxy Other Than Fbe |
| Coating Applied Ind | No |
| Installation Year | 1990 |
| Manufactured Year | Unknown |
| 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 | Yes |
| Ocean Seawater Ind | Yes |
| Amount Released | 0.04 |
| Rel Water Name | Gulf Of Mexico |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 4 |
| Est Cost Prop Damage | 282362 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 282366 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 80 |
| Mop Psig | 1440 |
| Mop Cfr Section | Component Design Pressure �195.406(A)(2) View CFR 49 §192 |
| Maop Established Date | 1990-08-21 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 40986 |
| Internal Inspection Ind | No |
| Tight Mitered Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | =< 20% Smys Regulated Gathering |
| Scada In Place Ind | No |
| Cpm In Place Ind | No |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the accident |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | General Corrosion |
| Atmosphere Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | No |
| Externally Coated | Yes |
| Prior Damage | Yes |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | T*** M****** |
| Preparer Title | Pipeline Compliance |
| Preparer Email | T*******@c*****.com |
| Preparer Telephone | 985-855-1236 |
| Prepared Date | 2023-10-30 00:00:00 |
| Local Contact Name | T*** M****** |
| Local Contact Email | T*******@c*****.com |
| Local Contact Telephone | 985-855-1236 |
| Authorizer Name | T*** M****** |
| Authorizer Telephone | 985-855-1236 |
| Authorizer Title | Pipeline Compliance |
| Authorizer Email | T*******@c*****.com |
| Narrative | Operators noticed a sheen coming from smi-239d while pumping down stock tank. After investigating, it was found to be a pinhole on the riser of the 6' departing oil pipeline psn-9050 the pipeline was subsequently placed out of service. Since cox wanting to address all of the external corrosion in this area of the riser, cox decided to replace a spool piece in lieu of a clamp. Also bsee has issuing cox incs for clamps on a risers in the past which we wanted to avoid. The repair was completed on 10/09/2023. Yes, this area was identified for moderate corrosion during the last atmospheric inspection. |
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