Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2019-04-21 — TX
Operator
Shell Pipeline Co., L.p.
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$75,000
Incident datetime
2019-04-21 13:32
Report number
Location
TX
Narrative
While performing rounds the houma dock operator discovered a release of crude oil to the ground in the manifold area at houma station. Upon discovery, all lines were shutdown immediately until an assessment could be made. Once the assessment was complete all lines were started back up, except the 18". Cleanup and repair plans were executed. It is estimated that approximately 14 bbls of crude were released and is contained within the station. There were no injuries and no impact to areas outside the station.
Detailed record list
Report Received Date
2019-05-01 00:00:00
Iyear
2019
Report Number
20190141
Supplemental Number
33665
Report Type
Supplemental Final
Operator Id
31174
Name
Shell Pipeline Co., L.p.
Operator Street Address
150 North Dairy Ashford Road Wck Bldg. A
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77079
Local Datetime
2019-04-21 13:32:00
Location Latitude
29.622572
Location Longitude
-90.689097
Commodity Released Type
Crude Oil
Unintentional Release Bbls
14.1
Recovered Bbls
14.1
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2019-04-21 13:32:00
System Part Involved
Onshore Terminal/tank Farm Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2019-04-21 13:32:00
Restart Datetime
2019-04-24 22:30:00
On Site Datetime
2019-04-21 13:32:00
Nrc Rpt Datetime
2019-04-21 13:55:00
Nrc Rpt Num
1243337
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Houma Tank Terminal
Segment Name
Tank Manifold
Onshore State Abbreviation
La
Onshore Postal Code
70364
Onshore City Name
Houma
Onshore County Name
Terrebonne
Designated Location
Milepost/valve Station
Designated Name
Terminal
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
24
Pipe Wall Thickness
0.375
Pipe Smys
35000
Pipe Specification
Grade B
Pipe Seam Type
Dsaw
Pipe Manufacturer
Unknown
Pipe Coating Type
Paint
Installation Year
1960
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
No
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
700
Est Cost Prop Damage
75000
Est Cost Emergency
44246
Est Cost Environmental
9065
Est Cost Other
0
Prpty
129011
Accident Psig
55
Mop Psig
720
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
> 20% Smys Regulated Gathering
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
Leak signature was not identified based on small leak
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 Other Corrosion Ind
Yes
Int Corrosion Type Details
Associated With Dead Leg And Water Drop Out
Int Field Exam 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
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
S**** I****
Preparer Title
Intergrity Management And Regulatory Engineer
Preparer Email
S**********@s****.com
Preparer Telephone
832-762-2666
Prepared Date
2020-04-28 00:00:00
Authorizer Name
D****** P****
Authorizer Telephone
832-762-2553
Authorizer Title
Integrity And Regulatory Services Manager
Authorizer Email
D************@s****.com
Narrative
While performing rounds the houma dock operator discovered a release of crude oil to the ground in the manifold area at houma station. Upon discovery, all lines were shutdown immediately until an assessment could be made. Once the assessment was complete all lines were started back up, except the 18". Cleanup and repair plans were executed. It is estimated that approximately 14 bbls of crude were released and is contained within the station. There were no injuries and no impact to areas outside the station.
| Report Received Date | 2019-05-01 00:00:00 |
|---|---|
| Iyear | 2019 |
| Report Number | 20190141 |
| Supplemental Number | 33665 |
| Report Type | Supplemental Final |
| Operator Id | 31174 PHMSA Enforcement |
| Name | Shell Pipeline Co., L.p. |
| Operator Street Address | 150 North Dairy Ashford Road Wck Bldg. A |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77079 |
| Local Datetime | 2019-04-21 13:32:00 |
| Location Latitude | 29.622572 Google Maps OpenStreetMap |
| Location Longitude | -90.689097 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 14.1 |
| Recovered Bbls | 14.1 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2019-04-21 13:32:00 |
| System Part Involved | Onshore Terminal/tank Farm Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2019-04-21 13:32:00 |
| Restart Datetime | 2019-04-24 22:30:00 |
| On Site Datetime | 2019-04-21 13:32:00 |
| Nrc Rpt Datetime | 2019-04-21 13:55:00 |
| Nrc Rpt Num | 1243337 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Houma Tank Terminal |
| Segment Name | Tank Manifold |
| Onshore State Abbreviation | La |
| Onshore Postal Code | 70364 |
| Onshore City Name | Houma |
| Onshore County Name | Terrebonne |
| Designated Location | Milepost/valve Station |
| Designated Name | Terminal |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 24 |
| Pipe Wall Thickness | 0.375 |
| Pipe Smys | 35000 |
| Pipe Specification | Grade B |
| Pipe Seam Type | Dsaw |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Paint |
| Installation Year | 1960 |
| 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 | No |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 700 |
| Est Cost Prop Damage | 75000 |
| Est Cost Emergency | 44246 |
| Est Cost Environmental | 9065 |
| Est Cost Other | 0 |
| Prpty | 129011 |
| Accident Psig | 55 |
| Mop Psig | 720 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Pipeline Function | > 20% Smys Regulated Gathering |
| 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 | Leak signature was not identified based on small leak |
| 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 Other Corrosion Ind | Yes |
| Int Corrosion Type Details | Associated With Dead Leg And Water Drop Out |
| Int Field Exam 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 |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | S**** I**** |
| Preparer Title | Intergrity Management And Regulatory Engineer |
| Preparer Email | S**********@s****.com |
| Preparer Telephone | 832-762-2666 |
| Prepared Date | 2020-04-28 00:00:00 |
| Authorizer Name | D****** P**** |
| Authorizer Telephone | 832-762-2553 |
| Authorizer Title | Integrity And Regulatory Services Manager |
| Authorizer Email | D************@s****.com |
| Narrative | While performing rounds the houma dock operator discovered a release of crude oil to the ground in the manifold area at houma station. Upon discovery, all lines were shutdown immediately until an assessment could be made. Once the assessment was complete all lines were started back up, except the 18". Cleanup and repair plans were executed. It is estimated that approximately 14 bbls of crude were released and is contained within the station. There were no injuries and no impact to areas outside the station. |
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