Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2020-12-05 — TX
Operator
Shell Pipeline Co., L.p.
Cause
Equipment Failure
Commodity
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$20,000
Incident datetime
2020-12-05 09:27
Report number
Location
TX
Narrative
Orange meter station tlds dow operations was working near out meter skid and notified control center that a valve was leaking. Meter skid was not in operation. Controller immediately closed all valves that were open at the skid. Operator was dispatched to the location. Notifications were made to console and field supervisor. Operator arrived on site and noted that valve #600a was forming ice from a leak. Mechanic was called to the site to repack the valve. Valve was repacked and re-pressured without issue. All other valves at the skid were repacked as a precaution. It is estimated that 2.2 bbl of ethylene was released to atmosphere.
Detailed record list
Report Received Date
2020-12-17 00:00:00
Iyear
2020
Report Number
20200332
Supplemental Number
34716
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
2020-12-05 09:27:00
Location Latitude
30.053792
Location Longitude
-93.772891
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Ethylene
Unintentional Release Bbls
2.2
Intentional Release Bbls
2.2
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2020-12-05 09:27:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2020-12-05 09:27:00
Restart Datetime
2020-12-05 14:25:00
On Site Datetime
2020-12-05 11:03:00
Nrc Rpt Num
Nrc Notification Not Required
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Orange Station
Segment Name
Hyw 1006
Onshore State Abbreviation
Tx
Onshore Postal Code
77630
Onshore City Name
Orange
Onshore County Name
Orange
Designated Location
Milepost/valve Station
Designated Name
Mile Post 73
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
Valve
Valve Type
Auxiliary Or Other Valve
Installation Year
2013
Material Involved
Carbon Steel
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
No
Est Cost Oper Paid
0
Est Cost Gas Released
50
Est Cost Prop Damage
20000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
20050
Accident Psig
1061
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
Yes
Cpm In Place Ind
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
Yes
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 leak was small and initially it was not detected by the cc prior to the isolation
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Non-Threaded Connection Failure
Eq Failure Type
Non-Threaded Connection Failure
Other Non Threaded Ind
Seal (Not Pump Seal) Or Packing
Eq Additional Other Ind
Yes
Eq Additional Other Details
Wear & Tear Of The Sealing Component
Preparer Name
S**** I****
Preparer Title
Intergrity Management And Regulatory Engineer
Preparer Email
S**********@s****.com
Preparer Telephone
832-762-2666
Prepared Date
2021-01-13 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
Orange meter station tlds dow operations was working near out meter skid and notified control center that a valve was leaking. Meter skid was not in operation. Controller immediately closed all valves that were open at the skid. Operator was dispatched to the location. Notifications were made to console and field supervisor. Operator arrived on site and noted that valve #600a was forming ice from a leak. Mechanic was called to the site to repack the valve. Valve was repacked and re-pressured without issue. All other valves at the skid were repacked as a precaution. It is estimated that 2.2 bbl of ethylene was released to atmosphere.
| Report Received Date | 2020-12-17 00:00:00 |
|---|---|
| Iyear | 2020 |
| Report Number | 20200332 |
| Supplemental Number | 34716 |
| 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 | 2020-12-05 09:27:00 |
| Location Latitude | 30.053792 Google Maps OpenStreetMap |
| Location Longitude | -93.772891 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Other Hvl |
| Commodity Details | Ethylene |
| Unintentional Release Bbls | 2.2 |
| Intentional Release Bbls | 2.2 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2020-12-05 09:27:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2020-12-05 09:27:00 |
| Restart Datetime | 2020-12-05 14:25:00 |
| On Site Datetime | 2020-12-05 11:03:00 |
| Nrc Rpt Num | Nrc Notification Not Required NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Orange Station |
| Segment Name | Hyw 1006 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77630 |
| Onshore City Name | Orange |
| Onshore County Name | Orange |
| Designated Location | Milepost/valve Station |
| Designated Name | Mile Post 73 |
| 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 | Valve |
| Valve Type | Auxiliary Or Other Valve |
| Installation Year | 2013 |
| Material Involved | Carbon Steel |
| 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 | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 50 |
| Est Cost Prop Damage | 20000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 20050 |
| Accident Psig | 1061 |
| 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 | Yes |
| Cpm In Place Ind | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf Ind | Yes |
| 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 leak was small and initially it was not detected by the cc prior to the isolation |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Non-Threaded Connection Failure |
| Eq Failure Type | Non-Threaded Connection Failure |
| Other Non Threaded Ind | Seal (Not Pump Seal) Or Packing |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Wear & Tear Of The Sealing Component |
| Preparer Name | S**** I**** |
| Preparer Title | Intergrity Management And Regulatory Engineer |
| Preparer Email | S**********@s****.com |
| Preparer Telephone | 832-762-2666 |
| Prepared Date | 2021-01-13 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 | Orange meter station tlds dow operations was working near out meter skid and notified control center that a valve was leaking. Meter skid was not in operation. Controller immediately closed all valves that were open at the skid. Operator was dispatched to the location. Notifications were made to console and field supervisor. Operator arrived on site and noted that valve #600a was forming ice from a leak. Mechanic was called to the site to repack the valve. Valve was repacked and re-pressured without issue. All other valves at the skid were repacked as a precaution. It is estimated that 2.2 bbl of ethylene was released to atmosphere. |
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