Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2014-10-02 — 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)
$165,000
Incident datetime
2014-10-02 12:11
Report number
Location
TX
Narrative
During routine valve maintenance, conroe station operations personnel discovered a small leak on the bonnet flange that was only detectable via lel testing. After it was determined that the only way to repair the valve was to perform a double stopple bypass to blow down the valve body, it was deemed reportable due to greater than $50,000 in maintenance costs. The valve was repaired and put back in to service 11/3/2014 at 21:00.
Detailed record list
Report Received Date
2014-11-03 00:00:00
Iyear
2014
Report Number
20140387
Supplemental Number
19922
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
2014-10-06 16:49:00
Location Latitude
30.19156
Location Longitude
-95.35386
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Unintentional Release Bbls
0.1
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
2014-10-02 12:11:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Repair Will Be Completed With A Stopple Bypass And Does Not Require A Shutdown.
On Site Datetime
2014-10-02 12:11:00
Nrc Rpt Datetime
2014-10-06 17:15:00
Nrc Rpt Num
1097545
Ignite Ind
No
Explode Ind
No
Pipe Fac Name
Snyder To Mont Belvieu
Segment Name
C81
Onshore State Abbreviation
Tx
Onshore Postal Code
77032
Onshore City Name
The Woodlands
Onshore County Name
Montgomery
Designated Location
Milepost/valve Station
Designated Name
20103+84
Federal
No
Location Type
Totally Contained On Operator-Controlled Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Valve
Valve Type
Mainline
Valve Mainline Type
Gate
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Connection Failure
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
50
Est Cost Prop Damage
165000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
165050
Accident Psig
1300
Mop Psig
1440
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
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
Leak was not detectable by scada or cpm and was not caused by any control center action.
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
O-Ring
Eq Additional Other Ind
Yes
Eq Additional Other Details
Age Related Valve Bonnet O-Ring Deterioration
Preparer Name
R***** L**
Preparer Title
Pipeline Compliance Engineer
Preparer Email
R***@e****.com
Preparer Telephone
713-381-6741
Prepared Date
2014-11-24 00:00:00
Authorizer Name
R***** L**
Authorizer Telephone
713-381-6741
Authorizer Title
Pipeline Compliance Engineer
Authorizer Email
R***@e****.com
Narrative
During routine valve maintenance, conroe station operations personnel discovered a small leak on the bonnet flange that was only detectable via lel testing. After it was determined that the only way to repair the valve was to perform a double stopple bypass to blow down the valve body, it was deemed reportable due to greater than $50,000 in maintenance costs. The valve was repaired and put back in to service 11/3/2014 at 21:00.
| Report Received Date | 2014-11-03 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140387 |
| Supplemental Number | 19922 |
| 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 | 2014-10-06 16:49:00 |
| Location Latitude | 30.19156 Google Maps OpenStreetMap |
| Location Longitude | -95.35386 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Unintentional Release Bbls | 0.1 |
| 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 | 2014-10-02 12:11:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Repair Will Be Completed With A Stopple Bypass And Does Not Require A Shutdown. |
| On Site Datetime | 2014-10-02 12:11:00 |
| Nrc Rpt Datetime | 2014-10-06 17:15:00 |
| Nrc Rpt Num | 1097545 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Pipe Fac Name | Snyder To Mont Belvieu |
| Segment Name | C81 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77032 |
| Onshore City Name | The Woodlands |
| Onshore County Name | Montgomery |
| Designated Location | Milepost/valve Station |
| Designated Name | 20103+84 |
| Federal | No |
| Location Type | Totally Contained On Operator-Controlled Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Valve |
| Valve Type | Mainline |
| Valve Mainline Type | Gate |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Connection Failure |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | Yes |
| Soil Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 50 |
| Est Cost Prop Damage | 165000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 165050 |
| Accident Psig | 1300 |
| Mop Psig | 1440 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| 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 | Leak was not detectable by scada or cpm and was not caused by any control center action. |
| 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 | O-Ring |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Age Related Valve Bonnet O-Ring Deterioration |
| Preparer Name | R***** L** |
| Preparer Title | Pipeline Compliance Engineer |
| Preparer Email | R***@e****.com |
| Preparer Telephone | 713-381-6741 |
| Prepared Date | 2014-11-24 00:00:00 |
| Authorizer Name | R***** L** |
| Authorizer Telephone | 713-381-6741 |
| Authorizer Title | Pipeline Compliance Engineer |
| Authorizer Email | R***@e****.com |
| Narrative | During routine valve maintenance, conroe station operations personnel discovered a small leak on the bonnet flange that was only detectable via lel testing. After it was determined that the only way to repair the valve was to perform a double stopple bypass to blow down the valve body, it was deemed reportable due to greater than $50,000 in maintenance costs. The valve was repaired and put back in to service 11/3/2014 at 21:00. |
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