Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2017-09-10 — TX
Operator
Mobil Corp
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)
$30,000
Incident datetime
2017-09-10 02:30
Report number
Location
TX
Narrative
The mr-5 pipeline was shut down on september 5, 2017 when empco learned of an overturned third-party track hoe in close proximity to emoc's mr-5 and mr-114 pipelines, this incident was associated with hurricane harvey related flooding. (src-20170128). During the process of flaring the product from the mr-5 pipeline the salt flat manual valve developed a seal/packing leak. Empco continued flaring the pipeline contents until the valve leak stopped. Empco replaced the older m&j valve with a new valve. Follow-up nrc report # - 1189965
Detailed record list
Report Received Date
2017-10-10 00:00:00
Iyear
2017
Report Number
20170332
Supplemental Number
30444
Report Type
Supplemental Final
Operator Id
12624
Name
Mobil Corp
Operator Street Address
22777 Springwoods Village Parkway
Operator City Name
Spring
Operator State Abbreviation
TX
Operator Postal Code
77389
Local Datetime
2017-09-10 02:30:00
Location Latitude
30.123524
Location Longitude
-94.437604
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Refinery Grade Propylene
Unintentional Release Bbls
20
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2017-09-10 02:30:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
No, This Pipeline Was Already Shut Down At The Time Of The Incident.
On Site Datetime
2017-09-10 02:30:00
Nrc Rpt Datetime
2017-09-10 04:04:00
Nrc Rpt Num
1189831
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Mr-5 10 Inch Ep Mix
Segment Name
Salt Flat Valve Site
Onshore State Abbreviation
Tx
Onshore Postal Code
77659
Onshore City Name
Sour Lake
Onshore County Name
Hardin
Designated Location
Milepost/valve Station
Designated Name
Salt Flat Vlv
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Gate
Valve Manufacturer
M&j
Installation Year
1968
Manufactured Year
1968
Material Involved
Material Other Than Carbon Steel
Material Details
Internal O-Ring Stack On Valve Stem
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
1250
Est Cost Prop Damage
30000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
31250
Accident Psig
155
Mop Psig
1433
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
109046
Internal Inspection Ind
Yes
Operation Complications 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
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
Pipeline was shut down at the time of the incident. Manual valve packing/valve seal began to leak when the valve was closed. Onsite personnel identified the release at the time that it occurred. See src 20170128.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Equipment Failure
Cause Details
Malfunction Of Control/relief Equipment
Eq Failure Type
Malfunction Of Control/relief Equipment
Block Valve Ind
Yes
Eq Additional Other Ind
Yes
Eq Additional Other Details
Valve Is Being Sent Out For Evaluation
Preparer Name
T*** M*********
Preparer Title
Pipeline Safety Advisor
Preparer Email
T**************@e*********.com
Preparer Telephone
8326247880
Prepared Date
2018-06-01 00:00:00
Authorizer Name
M** C******* B* H********
Authorizer Telephone
8326247920
Authorizer Title
Sshe Manager
Authorizer Email
C*******************@e*********.com
Narrative
The mr-5 pipeline was shut down on september 5, 2017 when empco learned of an overturned third-party track hoe in close proximity to emoc's mr-5 and mr-114 pipelines, this incident was associated with hurricane harvey related flooding. (src-20170128). During the process of flaring the product from the mr-5 pipeline the salt flat manual valve developed a seal/packing leak. Empco continued flaring the pipeline contents until the valve leak stopped. Empco replaced the older m&j valve with a new valve. Follow-up nrc report # - 1189965
| Report Received Date | 2017-10-10 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170332 |
| Supplemental Number | 30444 |
| Report Type | Supplemental Final |
| Operator Id | 12624 PHMSA Enforcement |
| Name | Mobil Corp |
| Operator Street Address | 22777 Springwoods Village Parkway |
| Operator City Name | Spring |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77389 |
| Local Datetime | 2017-09-10 02:30:00 |
| Location Latitude | 30.123524 Google Maps OpenStreetMap |
| Location Longitude | -94.437604 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 | Refinery Grade Propylene |
| Unintentional Release Bbls | 20 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2017-09-10 02:30:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | No, This Pipeline Was Already Shut Down At The Time Of The Incident. |
| On Site Datetime | 2017-09-10 02:30:00 |
| Nrc Rpt Datetime | 2017-09-10 04:04:00 |
| Nrc Rpt Num | 1189831 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Mr-5 10 Inch Ep Mix |
| Segment Name | Salt Flat Valve Site |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77659 |
| Onshore City Name | Sour Lake |
| Onshore County Name | Hardin |
| Designated Location | Milepost/valve Station |
| Designated Name | Salt Flat Vlv |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Valve |
| Valve Type | Mainline |
| Valve Mainline Type | Gate |
| Valve Manufacturer | M&j |
| Installation Year | 1968 |
| Manufactured Year | 1968 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Internal O-Ring Stack On Valve Stem |
| 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 | 1250 |
| Est Cost Prop Damage | 30000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 31250 |
| Accident Psig | 155 |
| Mop Psig | 1433 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 109046 |
| Internal Inspection Ind | Yes |
| Operation Complications 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 | 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 | Pipeline was shut down at the time of the incident. Manual valve packing/valve seal began to leak when the valve was closed. Onsite personnel identified the release at the time that it occurred. See src 20170128. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Equipment Failure |
| Cause Details | Malfunction Of Control/relief Equipment |
| Eq Failure Type | Malfunction Of Control/relief Equipment |
| Block Valve Ind | Yes |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Valve Is Being Sent Out For Evaluation |
| Preparer Name | T*** M********* |
| Preparer Title | Pipeline Safety Advisor |
| Preparer Email | T**************@e*********.com |
| Preparer Telephone | 8326247880 |
| Prepared Date | 2018-06-01 00:00:00 |
| Authorizer Name | M** C******* B* H******** |
| Authorizer Telephone | 8326247920 |
| Authorizer Title | Sshe Manager |
| Authorizer Email | C*******************@e*********.com |
| Narrative | The mr-5 pipeline was shut down on september 5, 2017 when empco learned of an overturned third-party track hoe in close proximity to emoc's mr-5 and mr-114 pipelines, this incident was associated with hurricane harvey related flooding. (src-20170128). During the process of flaring the product from the mr-5 pipeline the salt flat manual valve developed a seal/packing leak. Empco continued flaring the pipeline contents until the valve leak stopped. Empco replaced the older m&j valve with a new valve. Follow-up nrc report # - 1189965 |
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