Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2025-10-19 — TX
Operator
Sea Robin Pipeline Co
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$350,000
Incident datetime
2025-10-19 09:15
Report number
Location
TX
Narrative
An overflight was conducted at 9:15am on 10-19-2025, and bubbles were spotted near the sea robin 716-10-1 lateral in eugene island 331 (ei 331). Nrc# 1445816 was called reporting the bubbles in ei 331. The leak was confirmed to be sea robin and the 48hr update (1445940) was made. The dsv was deployed on 10-19-2025. The leak was located at the 6 o�clock position and a clamp installed on 10-20-2025 at 7:00am.
Detailed record list
Report Received Date
2025-11-11 00:00:00
Iyear
2025
Report Number
20250125
Supplemental Number
41567
Report Type
Original Final
Operator Id
18152
Name
Sea Robin Pipeline Co
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2025-10-19 09:15:00
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
28.24621
Location Longitude
-91.70461
Nrc Rpt Num
1445816
Nrc Rpt Datetime
2025-10-19 09:45:00
Additional Nrc Report Numbers
1445940
Commodity Released Type
Natural Gas
Unintentional Release
93467
Intentional Release
27882
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Post-Maintenance/repair
Communication State Fed Ind
Yes
Party Initiated Communication
Operator
Initial Responder Com Datetime
2025-10-19 09:45:00
Ignite Ind
No
Upstream Action Taken
Valve Closure
Upstream Valve Close Datetime
2025-10-19 09:15:00
Downstream Action Taken
Valve Closure
Downstream Vlv Close Datetime
2025-10-19 09:15:00
Num Pub Evacuated
0
Incident Identified Datetime
2025-10-19 09:15:00
On Site Datetime
2025-10-19 14:45:00
Confirmed Discovery Datetime
2025-10-19 18:30:00
On Off Shore
Offshore
Pipe Fac Name
Sea Robin
Segment Name
Line 716-10-1
Off Water Depth
260
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Ocs Type
Ocs-Gulf Of America
Off Ocs Area
Eugene Island
Off Ocs Block
331
Off Area Accident Type
Below Water, Pipe Buried Or Jetted Below Seabed
Pipe Facility Type
Interstate
System Part Involved
Offshore Pipeline, Including Riser And Riser Bend
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8.625
Puddle Weld Ind
No
Pipe Wall Thickness
0.41
Pipe Smys
24000
Pipe Specification
Api 5l X-52
Pipe Seam Type
Other
Pipe Seam Details
Unknown
Pipe Manufacturer
Unknown
Pipe Coating Type
Other
Pipe Coating Details
Mastic & Concrete
Coating Applied Ind
Unknown
Installation Year
1973
Manufactured Year
1973
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
215
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
313114
Est Cost Intentional Release
93405
Est Cost Prop Damage
350000
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
3.35
Prpty
756519
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
670
Gas Flow In Pipe In Mcf
0
Mop Psig
1306
Mop Cfr Section
192.619(A)(1)
Maop Established Date
1977-01-01 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
31680
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Operation Complications Ind
Yes
Low Flow Ind
Yes
Pipeline Function
Transmission System
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
No
Scada Conf Ind
No
Accident Identifier
Air Patrol
Operator Type
Operator Employee
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
Leak was too small for scada to detect
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
Not Cut Open
Int Corrosive Commodity Ind
Yes
Int Field Exam Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
No
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
G***** A******
Preparer Title
Sr. Compliance Specialist
Preparer Email
G*************@e*************.com
Preparer Telephone
3379362880
Local Contact Name
G***** A******
Local Contact Email
G*************@e*************.com
Local Contact Telephone
3379362880
Authorizer Name
P**** W***
Authorizer Title
Manager Dot Compliance
Authorizer Telephone
4092023088
Authorizer Email
P*********@e*************.com
Narrative
An overflight was conducted at 9:15am on 10-19-2025, and bubbles were spotted near the sea robin 716-10-1 lateral in eugene island 331 (ei 331). Nrc# 1445816 was called reporting the bubbles in ei 331. The leak was confirmed to be sea robin and the 48hr update (1445940) was made. The dsv was deployed on 10-19-2025. The leak was located at the 6 o�clock position and a clamp installed on 10-20-2025 at 7:00am.
| Report Received Date | 2025-11-11 00:00:00 |
|---|---|
| Iyear | 2025 |
| Report Number | 20250125 |
| Supplemental Number | 41567 |
| Report Type | Original Final |
| Operator Id | 18152 PHMSA Enforcement |
| Name | Sea Robin Pipeline Co |
| Operator Street Address | 1300 Main Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2025-10-19 09:15:00 |
| Time Zone | Central |
| Daylight Savings Ind | No |
| Location Latitude | 28.24621 Google Maps OpenStreetMap |
| Location Longitude | -91.70461 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1445816 NRC Report How to search |
| Nrc Rpt Datetime | 2025-10-19 09:45:00 |
| Additional Nrc Report Numbers | 1445940 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 93467 |
| Intentional Release | 27882 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Post-Maintenance/repair |
| Communication State Fed Ind | Yes |
| Party Initiated Communication | Operator |
| Initial Responder Com Datetime | 2025-10-19 09:45:00 |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Upstream Valve Close Datetime | 2025-10-19 09:15:00 |
| Downstream Action Taken | Valve Closure |
| Downstream Vlv Close Datetime | 2025-10-19 09:15:00 |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2025-10-19 09:15:00 |
| On Site Datetime | 2025-10-19 14:45:00 |
| Confirmed Discovery Datetime | 2025-10-19 18:30:00 |
| On Off Shore | Offshore |
| Pipe Fac Name | Sea Robin |
| Segment Name | Line 716-10-1 |
| Off Water Depth | 260 |
| Off Accident Origin | On The Outer Continental Shelf (Ocs) |
| Ocs Type | Ocs-Gulf Of America |
| Off Ocs Area | Eugene Island |
| Off Ocs Block | 331 |
| Off Area Accident Type | Below Water, Pipe Buried Or Jetted Below Seabed |
| Pipe Facility Type | Interstate |
| System Part Involved | Offshore Pipeline, Including Riser And Riser Bend |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 8.625 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.41 |
| Pipe Smys | 24000 |
| Pipe Specification | Api 5l X-52 |
| Pipe Seam Type | Other |
| Pipe Seam Details | Unknown |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Other |
| Pipe Coating Details | Mastic & Concrete |
| Coating Applied Ind | Unknown |
| Installation Year | 1973 |
| Manufactured Year | 1973 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 215 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 313114 |
| Est Cost Intentional Release | 93405 |
| Est Cost Prop Damage | 350000 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 3.35 |
| Prpty | 756519 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 670 |
| Gas Flow In Pipe In Mcf | 0 |
| Mop Psig | 1306 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Maop Established Date | 1977-01-01 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 31680 |
| Internal Inspection Ind | No |
| Tight Mitered Ind | Yes |
| Operation Complications Ind | Yes |
| Low Flow Ind | Yes |
| Pipeline Function | Transmission System |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | No |
| Scada Conf Ind | No |
| Accident Identifier | Air Patrol |
| Operator Type | Operator Employee |
| 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 | Leak was too small for scada to detect |
| 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 | Not Cut Open |
| Int Corrosive Commodity Ind | Yes |
| Int Field Exam Basis Ind | Yes |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | No |
| Corrosion Lining | No |
| Cleaning Dewatering | No |
| Corrosion Coupons | Yes |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | G***** A****** |
| Preparer Title | Sr. Compliance Specialist |
| Preparer Email | G*************@e*************.com |
| Preparer Telephone | 3379362880 |
| Local Contact Name | G***** A****** |
| Local Contact Email | G*************@e*************.com |
| Local Contact Telephone | 3379362880 |
| Authorizer Name | P**** W*** |
| Authorizer Title | Manager Dot Compliance |
| Authorizer Telephone | 4092023088 |
| Authorizer Email | P*********@e*************.com |
| Narrative | An overflight was conducted at 9:15am on 10-19-2025, and bubbles were spotted near the sea robin 716-10-1 lateral in eugene island 331 (ei 331). Nrc# 1445816 was called reporting the bubbles in ei 331. The leak was confirmed to be sea robin and the 48hr update (1445940) was made. The dsv was deployed on 10-19-2025. The leak was located at the 6 o�clock position and a clamp installed on 10-20-2025 at 7:00am. |
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