Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2018-05-21 — TX
Operator
Enterprise Products Operating Llc
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)
$50,000
Incident datetime
2018-05-21 15:40
Report number
Location
TX
Narrative
On 5/21/2018 at 15:40 hours, a pipeline technician noticed a frost ball on mov-1004 on line 428. In reference to a14a, line 428 was not shut down due to the accident because it was not operating at the time the leak was discovered. The pipeline was manually isolated. Approximately 1 gallon of isobutane was released. Technicians were unsuccessful in repairing the valve in place. At 20:05 hours, it was determined that the cost of repair would exceed $50,000 resulting in an nrc reportable accident. On 5/21/2018 the nrc was notified at 20:56 hrs. Nrc case #1212866. On 5/23/2018 at 07:55 hrs a 48 hr. Update was provided to the nrc. No changes reported. New case #1212993. On 5/26/2018 a replacement valve was installed. The pipeline was ready for service once there was an operational need, refer to a14b. No downtime was incurred as a result of this accident.
Detailed record list
Report Received Date
2018-08-19 00:00:00
Iyear
2018
Report Number
20180245
Supplemental Number
32314
Report Type
Supplemental Final
Operator Id
31618
Name
Enterprise Products Operating Llc
Operator Street Address
1100 Louisiana Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2018-05-21 15:40:00
Location Latitude
44.0143
Location Longitude
-94.1749
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Other Hvl
Commodity Details
Isobutane
Unintentional Release Bbls
0.1
Intentional Release Bbls
5
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
2018-05-21 15:40:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Pipeline Was Not In Service At The Time Of The Leak.
On Site Datetime
2018-05-21 15:40:00
Nrc Rpt Datetime
2018-05-21 20:56:00
Nrc Rpt Num
1212866
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Mankato Station
Segment Name
West Leg Loop 8", Conway To Pine Bend/line 428
Onshore State Abbreviation
Mn
Onshore Postal Code
56034
Onshore City Name
Not Within A Municipality
Onshore County Name
Blue Earth
Designated Location
Milepost/valve Station
Designated Name
Am 455.3
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
Mainline
Valve Mainline Type
Gate
Valve Manufacturer
Unknown
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Material Other Than Carbon Steel
Material Details
Gasket Material.
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
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
26
Est Cost Prop Damage
50000
Est Cost Emergency
1000
Est Cost Environmental
0
Est Cost Other
0
Prpty
51026
Accident Psig
540
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
25
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
Yes
Cpm Operating Ind
Yes
Cpm Functional Ind
Yes
Cpm Detection Ind
No
Cpm Conf Ind
No
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Invest No Controller Ind
Yes
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
Failed O-Ring Material.
Preparer Name
T****** A* G********
Preparer Title
Senior Staff Pipeline Compliance Engineer
Preparer Email
T**********@e****.com
Preparer Telephone
713-381-6433
Prepared Date
2019-06-19 00:00:00
Authorizer Name
T****** A* G********
Authorizer Telephone
713-381-6433
Authorizer Title
Senior Staff Pipeline Compliance Engineer
Authorizer Email
T**********@e****.com
Narrative
On 5/21/2018 at 15:40 hours, a pipeline technician noticed a frost ball on mov-1004 on line 428. In reference to a14a, line 428 was not shut down due to the accident because it was not operating at the time the leak was discovered. The pipeline was manually isolated. Approximately 1 gallon of isobutane was released. Technicians were unsuccessful in repairing the valve in place. At 20:05 hours, it was determined that the cost of repair would exceed $50,000 resulting in an nrc reportable accident. On 5/21/2018 the nrc was notified at 20:56 hrs. Nrc case #1212866. On 5/23/2018 at 07:55 hrs a 48 hr. Update was provided to the nrc. No changes reported. New case #1212993. On 5/26/2018 a replacement valve was installed. The pipeline was ready for service once there was an operational need, refer to a14b. No downtime was incurred as a result of this accident.
| Report Received Date | 2018-08-19 00:00:00 |
|---|---|
| Iyear | 2018 |
| Report Number | 20180245 |
| Supplemental Number | 32314 |
| Report Type | Supplemental Final |
| Operator Id | 31618 PHMSA Enforcement |
| Name | Enterprise Products Operating Llc |
| Operator Street Address | 1100 Louisiana Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2018-05-21 15:40:00 |
| Location Latitude | 44.0143 Google Maps OpenStreetMap |
| Location Longitude | -94.1749 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 | Isobutane |
| Unintentional Release Bbls | 0.1 |
| Intentional Release Bbls | 5 |
| 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 | 2018-05-21 15:40:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Pipeline Was Not In Service At The Time Of The Leak. |
| On Site Datetime | 2018-05-21 15:40:00 |
| Nrc Rpt Datetime | 2018-05-21 20:56:00 |
| Nrc Rpt Num | 1212866 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 | Mankato Station |
| Segment Name | West Leg Loop 8", Conway To Pine Bend/line 428 |
| Onshore State Abbreviation | Mn |
| Onshore Postal Code | 56034 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Blue Earth |
| Designated Location | Milepost/valve Station |
| Designated Name | Am 455.3 |
| 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 | Mainline |
| Valve Mainline Type | Gate |
| Valve Manufacturer | Unknown |
| Installation Year | Unknown |
| Manufactured Year | Unknown |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Gasket Material. |
| 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 | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 26 |
| Est Cost Prop Damage | 50000 |
| Est Cost Emergency | 1000 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 51026 |
| Accident Psig | 540 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 25 |
| 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 | Yes |
| Cpm Operating Ind | Yes |
| Cpm Functional Ind | Yes |
| Cpm Detection Ind | No |
| Cpm Conf Ind | No |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Invest No Controller Ind | Yes |
| 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 | Failed O-Ring Material. |
| Preparer Name | T****** A* G******** |
| Preparer Title | Senior Staff Pipeline Compliance Engineer |
| Preparer Email | T**********@e****.com |
| Preparer Telephone | 713-381-6433 |
| Prepared Date | 2019-06-19 00:00:00 |
| Authorizer Name | T****** A* G******** |
| Authorizer Telephone | 713-381-6433 |
| Authorizer Title | Senior Staff Pipeline Compliance Engineer |
| Authorizer Email | T**********@e****.com |
| Narrative | On 5/21/2018 at 15:40 hours, a pipeline technician noticed a frost ball on mov-1004 on line 428. In reference to a14a, line 428 was not shut down due to the accident because it was not operating at the time the leak was discovered. The pipeline was manually isolated. Approximately 1 gallon of isobutane was released. Technicians were unsuccessful in repairing the valve in place. At 20:05 hours, it was determined that the cost of repair would exceed $50,000 resulting in an nrc reportable accident. On 5/21/2018 the nrc was notified at 20:56 hrs. Nrc case #1212866. On 5/23/2018 at 07:55 hrs a 48 hr. Update was provided to the nrc. No changes reported. New case #1212993. On 5/26/2018 a replacement valve was installed. The pipeline was ready for service once there was an operational need, refer to a14b. No downtime was incurred as a result of this accident. |
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