Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2023-07-09 — TX
Operator
Enterprise Products Operating Llc
Cause
Corrosion 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)
$600,000
Incident datetime
2023-07-09 00:00 UTC
Report number
Location
TX
Narrative
On friday june 9, 2023 at 12:00 cdst, during routine site visit an enterprise technician found a carbon steel valve grease port fitting leaking on the p87 ethylene pipeline. A courtesy call was made to trrc on june 15 at 10:15 cdst to indicate that the leak would not be repaired before exceeding 5 gallons. On june 16 at 18:00 cdst the released volume exceeded 5 gallons and on june 28 a clamp was installed to stop the leak. On july 5 it was determined that the clamp had not stopped the leak and nrc was called at 16:15 cdst in anticipation of further repair costs exceeding $50k. The valve has since been replaced. The leak on the grease port fitting was caused by external corrosion. To prevent recurrence, enterprise is replacing carbon steel packing injection fittings on similar valves with stainless steel injection fittings. Trrc#: 2868 on 6/15/2023 at 10:15 cdst nrc#:1372189 on 7/5/2023 at 16:15 cdst 48 hr nrc: 1372327 on 7/6/2023 at 19:51 cdst
Detailed record list
Report Received Date
2023-07-09 00:00:00
Iyear
2023
Report Number
20230152
Supplemental Number
38757
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
Time Zone
Central
Daylight Savings Ind
Yes
Location Latitude
29.92956
Location Longitude
-94.52898
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
1.2
Intentional Release Bbls
16831
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
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Status When Identified
Normal Operation, Includes Pauses Between Batches And During Maintenance
Shutdown Due Accident Ind
No
Shutdown Explain
Leak Was Monitored While Line Remained In Operation.
Communication State Fed Ind
No
Nrc Rpt Num
1372189
Additional Nrc Report Numbers
1372327
Ignite Ind
No
Upstream Action Taken
Operational Control
Upstream Oprtnl Cntrl Detail
Flow Was Not Changed In Response To The Leak.
Downstream Action Taken
Operational Control
Downstream Oprtnl Cntrl Detail
Flow Was Not Changed In Response To The Leak.
Num Pub Evacuated
0
Pipe Fac Name
Port Arthur To West Storage
Segment Name
P87
Onshore State Abbreviation
Tx
Onshore Postal Code
77538
Onshore City Name
Devers
Onshore County Name
Liberty
Designated Location
Milepost
Designated Name
25.2
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
Intrastate
Item Involved
Other
Item Involved Details
Grease Port Fitting
Installation Year
1999
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Connection Failure
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
375000
Est Cost Prop Damage
600000
Est Cost Emergency
0
Est Cost Environmental
0
Est Cost Other
0
Prpty
975000
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Accident Psig
1336
Mop Psig
2120
Mop Cfr Section
Internal Design Pressure �195.406(A)(1)
Maop Established Date
2000-04-16 00:00:00
Maop Reversal Flow Ind
No
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
Controller's actions did not contribute to the accident.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Atmosphere Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
No
Externally Coated
Yes
Prior Damage
Yes
Preparer Name
R*** T********
Preparer Title
Senior Pipeline Compliance Engineer
Preparer Email
R*********@e****.com
Preparer Telephone
713-381-4659
Prepared Date
2023-11-07 00:00:00
Authorizer Name
R*** T********
Authorizer Telephone
713-381-4659
Authorizer Title
Senior Pipeline Compliance Engineer
Authorizer Email
R*********@e****.com
Narrative
On friday june 9, 2023 at 12:00 cdst, during routine site visit an enterprise technician found a carbon steel valve grease port fitting leaking on the p87 ethylene pipeline. A courtesy call was made to trrc on june 15 at 10:15 cdst to indicate that the leak would not be repaired before exceeding 5 gallons. On june 16 at 18:00 cdst the released volume exceeded 5 gallons and on june 28 a clamp was installed to stop the leak. On july 5 it was determined that the clamp had not stopped the leak and nrc was called at 16:15 cdst in anticipation of further repair costs exceeding $50k. The valve has since been replaced. The leak on the grease port fitting was caused by external corrosion. To prevent recurrence, enterprise is replacing carbon steel packing injection fittings on similar valves with stainless steel injection fittings. Trrc#: 2868 on 6/15/2023 at 10:15 cdst nrc#:1372189 on 7/5/2023 at 16:15 cdst 48 hr nrc: 1372327 on 7/6/2023 at 19:51 cdst
| Report Received Date | 2023-07-09 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230152 |
| Supplemental Number | 38757 |
| 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 |
| Time Zone | Central |
| Daylight Savings Ind | Yes |
| Location Latitude | 29.92956 Google Maps OpenStreetMap |
| Location Longitude | -94.52898 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 | 1.2 |
| Intentional Release Bbls | 16831 |
| 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 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Status When Identified | Normal Operation, Includes Pauses Between Batches And During Maintenance |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Leak Was Monitored While Line Remained In Operation. |
| Communication State Fed Ind | No |
| Nrc Rpt Num | 1372189 NRC Report How to search |
| Additional Nrc Report Numbers | 1372327 |
| Ignite Ind | No |
| Upstream Action Taken | Operational Control |
| Upstream Oprtnl Cntrl Detail | Flow Was Not Changed In Response To The Leak. |
| Downstream Action Taken | Operational Control |
| Downstream Oprtnl Cntrl Detail | Flow Was Not Changed In Response To The Leak. |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Port Arthur To West Storage |
| Segment Name | P87 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77538 |
| Onshore City Name | Devers |
| Onshore County Name | Liberty |
| Designated Location | Milepost |
| Designated Name | 25.2 |
| 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 | Intrastate |
| Item Involved | Other |
| Item Involved Details | Grease Port Fitting |
| Installation Year | 1999 |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Connection Failure |
| 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 | 375000 |
| Est Cost Prop Damage | 600000 |
| Est Cost Emergency | 0 |
| Est Cost Environmental | 0 |
| Est Cost Other | 0 |
| Prpty | 975000 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Accident Psig | 1336 |
| Mop Psig | 2120 |
| Mop Cfr Section | Internal Design Pressure �195.406(A)(1) View CFR 49 §192 |
| Maop Established Date | 2000-04-16 00:00:00 |
| Maop Reversal Flow Ind | No |
| 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 | Controller's actions did not contribute to the accident. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | Localized Pitting |
| Atmosphere Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | No |
| Externally Coated | Yes |
| Prior Damage | Yes |
| Preparer Name | R*** T******** |
| Preparer Title | Senior Pipeline Compliance Engineer |
| Preparer Email | R*********@e****.com |
| Preparer Telephone | 713-381-4659 |
| Prepared Date | 2023-11-07 00:00:00 |
| Authorizer Name | R*** T******** |
| Authorizer Telephone | 713-381-4659 |
| Authorizer Title | Senior Pipeline Compliance Engineer |
| Authorizer Email | R*********@e****.com |
| Narrative | On friday june 9, 2023 at 12:00 cdst, during routine site visit an enterprise technician found a carbon steel valve grease port fitting leaking on the p87 ethylene pipeline. A courtesy call was made to trrc on june 15 at 10:15 cdst to indicate that the leak would not be repaired before exceeding 5 gallons. On june 16 at 18:00 cdst the released volume exceeded 5 gallons and on june 28 a clamp was installed to stop the leak. On july 5 it was determined that the clamp had not stopped the leak and nrc was called at 16:15 cdst in anticipation of further repair costs exceeding $50k. The valve has since been replaced. The leak on the grease port fitting was caused by external corrosion. To prevent recurrence, enterprise is replacing carbon steel packing injection fittings on similar valves with stainless steel injection fittings. Trrc#: 2868 on 6/15/2023 at 10:15 cdst nrc#:1372189 on 7/5/2023 at 16:15 cdst 48 hr nrc: 1372327 on 7/6/2023 at 19:51 cdst |
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