Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2017-04-11 — 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)
$15,000
Incident datetime
2017-04-11 08:15
Report number
Location
TX
Narrative
At 08:15 on 4/11/2017 and enterprise employee was performing DOT inspections and noticed a small leak on the bonnet of a valve. Technicians monitored the valve daily until the valve was temporarily repaired. The valve was repaired with a temporary clamp and the nrc was notified on 4/11 when it was determined the permanent repair cost would exceed $50,000. Approximately 1 gallon of y-grade was released. Note: per part e.5a, b, and c, valves upstream and downstream were not closed because the leak was barely noticeable and did not impact the safe operation of the pipeline. 3/1/2018: updated local time of the accident and time of initial telephonic report to the nrc per instructions from brian pierzina.
Detailed record list
Report Received Date
2017-05-03 00:00:00
Iyear
2017
Report Number
20170145
Supplemental Number
23196
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
2017-04-11 08:15:00
Location Latitude
38.9319
Location Longitude
-109.4413
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
0.1
Intentional Release Bbls
0
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Ground Patrol By Operator Or Its Contractor
Operator Type
Operator Employee
Incident Identified Datetime
2017-04-11 08:15:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
The Leak Was Very Minor And Was Inspected Daily Until Temporarily Repaired
On Site Datetime
2017-04-11 08:15:00
Nrc Rpt Datetime
2017-04-11 18:09:00
Nrc Rpt Num
1175460
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Four Corners Lateral Loop
Segment Name
701
Onshore State Abbreviation
Ut
Onshore Postal Code
84540
Onshore City Name
Cisco
Onshore County Name
Grand
Designated Location
Milepost/valve Station
Designated Name
Mp 653.5
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
Interstate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Gate
Valve Manufacturer
Adamson Chronister
Installation Year
1980
Manufactured Year
1980
Material Involved
Material Other Than Carbon Steel
Material Details
Rubber
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
25
Est Cost Prop Damage
15000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
15025
Accident Psig
1186
Mop Psig
1650
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
90944
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
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 controller was not a contributing factor to the accident.
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
Wear And Tear On O-Ring
Preparer Name
R****** S* R*****
Preparer Title
Sr. Pipeline Compliance Engineer
Preparer Email
R*******@e****.com
Preparer Telephone
713-381-6841
Prepared Date
2018-03-01 00:00:00
Authorizer Name
R****** S* R*****
Authorizer Telephone
713-381-6841
Authorizer Title
Sr. Pipeline Compliance Engineer
Authorizer Email
R*******@e****.com
Narrative
At 08:15 on 4/11/2017 and enterprise employee was performing DOT inspections and noticed a small leak on the bonnet of a valve. Technicians monitored the valve daily until the valve was temporarily repaired. The valve was repaired with a temporary clamp and the nrc was notified on 4/11 when it was determined the permanent repair cost would exceed $50,000. Approximately 1 gallon of y-grade was released. Note: per part e.5a, b, and c, valves upstream and downstream were not closed because the leak was barely noticeable and did not impact the safe operation of the pipeline. 3/1/2018: updated local time of the accident and time of initial telephonic report to the nrc per instructions from brian pierzina.
| Report Received Date | 2017-05-03 00:00:00 |
|---|---|
| Iyear | 2017 |
| Report Number | 20170145 |
| Supplemental Number | 23196 |
| 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 | 2017-04-11 08:15:00 |
| Location Latitude | 38.9319 Google Maps OpenStreetMap |
| Location Longitude | -109.4413 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 0.1 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Ground Patrol By Operator Or Its Contractor |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2017-04-11 08:15:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | The Leak Was Very Minor And Was Inspected Daily Until Temporarily Repaired |
| On Site Datetime | 2017-04-11 08:15:00 |
| Nrc Rpt Datetime | 2017-04-11 18:09:00 |
| Nrc Rpt Num | 1175460 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 | Four Corners Lateral Loop |
| Segment Name | 701 |
| Onshore State Abbreviation | Ut |
| Onshore Postal Code | 84540 |
| Onshore City Name | Cisco |
| Onshore County Name | Grand |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 653.5 |
| 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 | Interstate |
| Item Involved | Valve |
| Valve Type | Mainline |
| Valve Mainline Type | Gate |
| Valve Manufacturer | Adamson Chronister |
| Installation Year | 1980 |
| Manufactured Year | 1980 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Rubber |
| 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 | 25 |
| Est Cost Prop Damage | 15000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 15025 |
| Accident Psig | 1186 |
| Mop Psig | 1650 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 90944 |
| 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 | 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 controller was not a contributing factor to the accident. |
| 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 | Wear And Tear On O-Ring |
| Preparer Name | R****** S* R***** |
| Preparer Title | Sr. Pipeline Compliance Engineer |
| Preparer Email | R*******@e****.com |
| Preparer Telephone | 713-381-6841 |
| Prepared Date | 2018-03-01 00:00:00 |
| Authorizer Name | R****** S* R***** |
| Authorizer Telephone | 713-381-6841 |
| Authorizer Title | Sr. Pipeline Compliance Engineer |
| Authorizer Email | R*******@e****.com |
| Narrative | At 08:15 on 4/11/2017 and enterprise employee was performing DOT inspections and noticed a small leak on the bonnet of a valve. Technicians monitored the valve daily until the valve was temporarily repaired. The valve was repaired with a temporary clamp and the nrc was notified on 4/11 when it was determined the permanent repair cost would exceed $50,000. Approximately 1 gallon of y-grade was released. Note: per part e.5a, b, and c, valves upstream and downstream were not closed because the leak was barely noticeable and did not impact the safe operation of the pipeline. 3/1/2018: updated local time of the accident and time of initial telephonic report to the nrc per instructions from brian pierzina. |
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