Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2016-03-31 — OK
Operator
Explorer Pipeline Co
Cause
Equipment Failure
Commodity
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$1,000
Incident datetime
2016-03-31 18:55
Report number
Location
OK
Narrative
On march 31, 2016 at approximately 18:55 cst a release of ultra-low sulfur diesel (ulsd) was identified to be originating from a mainline pump unit at the conroe, texas pump station. The pipeline was immediately shutdown and the pump station was isolated from the mainline pipeline by the tulsa, oklahoma control center. External and internal response resources were notified to respond. Prior to the shutdown of the pipeline and station the case pressure was 620.4 psi and the discharge pressure was 615.9 psi. Upon arrival at the pump station the source of the release was identified to be a three-quarter inch 316 seamless stainless steel tubing and fitting utilized for the mainline unit number 2 seal flush system. On april 1, 2016 at 13:18 cst the pipeline was restarted, but the conroe pump station was left isolated from the pipeline. On april 5, 2016 at 11:45 cst the conroe pump station was unisolated from the pipeline and started at 11:52 cst. The tubing and fitting were both photo documented by explorer and PHMSA. The tubing and fitting were submitted to a third-party for a failure analysis. A copy of the third-party failure analysis was provided to PHMSA. All impacted soil from the remediation was excavated, tested and was properly handled.
Detailed record list
Report Received Date
2016-04-29 00:00:00
Iyear
2016
Report Number
20160130
Supplemental Number
22123
Report Type
Supplemental Final
Operator Id
4805
Name
Explorer Pipeline Co
Operator Street Address
Po Box 2650
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74101
Local Datetime
2016-03-31 18:55:00
Location Latitude
30.26632292
Location Longitude
-95.35229277
Commodity Released Type
Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions
Commodity Subtype
Diesel, Fuel Oil, Kerosene, Jet Fuel
Unintentional Release Bbls
960
Recovered Bbls
534
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
Incident Identified Datetime
2016-03-31 18:55:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2016-03-31 19:02:00
Restart Datetime
2016-04-01 13:18:00
On Site Datetime
2016-03-31 20:02:00
Nrc Rpt Datetime
2016-03-31 20:38:00
Nrc Rpt Num
1144180
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Conroe Pump Station
Segment Name
Houston To Greenville
Onshore State Abbreviation
Tx
Onshore Postal Code
77302
Onshore City Name
Conroe
Onshore County Name
Montgomery
Designated Location
Milepost/valve Station
Designated Name
109.7
Federal
No
Location Type
Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property
Incident Area Type
Aboveground
Incident Area Subtype
Typical Aboveground Facility Piping Or Appurtenance
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Tubing
Installation Year
2016
Material Involved
Material Other Than Carbon Steel
Material Details
Stainless Steel
Release Type
Leak
Leak Type
Connection Failure
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
Yes
Remediation Ind
Yes
Soil Remed Ind
Yes
Water Contam Ind
No
Could Be Hca
Yes
Commodity Reached Hca
No
Est Cost Oper Paid
0
Est Cost Gas Released
16000
Est Cost Prop Damage
1000
Est Cost Emergency
277000
Est Cost Environmental
2431000
Est Cost Other
0
Prpty
2725000
Accident Psig
620.4
Mop Psig
1260
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction 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 Controller Ind
Yes
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Equipment Failure
Cause Details
Defective Or Loose Tubing Or Fitting
Eq Failure Type
Defective Or Loose Tubing Or Fitting
Additional Installation Ind
Yes
Preparer Name
K**** B****
Preparer Title
Dot Administrator
Preparer Email
K*****@e***.com
Preparer Telephone
9184935104
Prepared Date
2017-02-27 00:00:00
Authorizer Name
J** S****
Authorizer Telephone
9184935143
Authorizer Title
Director Engineering And Hsse
Authorizer Email
J*****@e***.com
Narrative
On march 31, 2016 at approximately 18:55 cst a release of ultra-low sulfur diesel (ulsd) was identified to be originating from a mainline pump unit at the conroe, texas pump station. The pipeline was immediately shutdown and the pump station was isolated from the mainline pipeline by the tulsa, oklahoma control center. External and internal response resources were notified to respond. Prior to the shutdown of the pipeline and station the case pressure was 620.4 psi and the discharge pressure was 615.9 psi. Upon arrival at the pump station the source of the release was identified to be a three-quarter inch 316 seamless stainless steel tubing and fitting utilized for the mainline unit number 2 seal flush system. On april 1, 2016 at 13:18 cst the pipeline was restarted, but the conroe pump station was left isolated from the pipeline. On april 5, 2016 at 11:45 cst the conroe pump station was unisolated from the pipeline and started at 11:52 cst. The tubing and fitting were both photo documented by explorer and PHMSA. The tubing and fitting were submitted to a third-party for a failure analysis. A copy of the third-party failure analysis was provided to PHMSA. All impacted soil from the remediation was excavated, tested and was properly handled.
| Report Received Date | 2016-04-29 00:00:00 |
|---|---|
| Iyear | 2016 |
| Report Number | 20160130 |
| Supplemental Number | 22123 |
| Report Type | Supplemental Final |
| Operator Id | 4805 PHMSA Enforcement |
| Name | Explorer Pipeline Co |
| Operator Street Address | Po Box 2650 |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74101 |
| Local Datetime | 2016-03-31 18:55:00 |
| Location Latitude | 30.26632292 Google Maps OpenStreetMap |
| Location Longitude | -95.35229277 Google Maps OpenStreetMap |
| Commodity Released Type | Refined And/or Petroleum Product (Non-Hvl) Which Is A Liquid At Ambient Conditions |
| Commodity Subtype | Diesel, Fuel Oil, Kerosene, Jet Fuel |
| Unintentional Release Bbls | 960 |
| Recovered Bbls | 534 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Public |
| Incident Identified Datetime | 2016-03-31 18:55:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2016-03-31 19:02:00 |
| Restart Datetime | 2016-04-01 13:18:00 |
| On Site Datetime | 2016-03-31 20:02:00 |
| Nrc Rpt Datetime | 2016-03-31 20:38:00 |
| Nrc Rpt Num | 1144180 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Conroe Pump Station |
| Segment Name | Houston To Greenville |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 77302 |
| Onshore City Name | Conroe |
| Onshore County Name | Montgomery |
| Designated Location | Milepost/valve Station |
| Designated Name | 109.7 |
| Federal | No |
| Location Type | Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property |
| Incident Area Type | Aboveground |
| Incident Area Subtype | Typical Aboveground Facility Piping Or Appurtenance |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Tubing |
| Installation Year | 2016 |
| Material Involved | Material Other Than Carbon Steel |
| Material Details | Stainless Steel |
| Release Type | Leak |
| Leak Type | Connection Failure |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | Yes |
| Remediation Ind | Yes |
| Soil Remed Ind | Yes |
| Water Contam Ind | No |
| Could Be Hca | Yes |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 0 |
| Est Cost Gas Released | 16000 |
| Est Cost Prop Damage | 1000 |
| Est Cost Emergency | 277000 |
| Est Cost Environmental | 2431000 |
| Est Cost Other | 0 |
| Prpty | 2725000 |
| Accident Psig | 620.4 |
| Mop Psig | 1260 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction 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 Controller Ind | Yes |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Equipment Failure |
| Cause Details | Defective Or Loose Tubing Or Fitting |
| Eq Failure Type | Defective Or Loose Tubing Or Fitting |
| Additional Installation Ind | Yes |
| Preparer Name | K**** B**** |
| Preparer Title | Dot Administrator |
| Preparer Email | K*****@e***.com |
| Preparer Telephone | 9184935104 |
| Prepared Date | 2017-02-27 00:00:00 |
| Authorizer Name | J** S**** |
| Authorizer Telephone | 9184935143 |
| Authorizer Title | Director Engineering And Hsse |
| Authorizer Email | J*****@e***.com |
| Narrative | On march 31, 2016 at approximately 18:55 cst a release of ultra-low sulfur diesel (ulsd) was identified to be originating from a mainline pump unit at the conroe, texas pump station. The pipeline was immediately shutdown and the pump station was isolated from the mainline pipeline by the tulsa, oklahoma control center. External and internal response resources were notified to respond. Prior to the shutdown of the pipeline and station the case pressure was 620.4 psi and the discharge pressure was 615.9 psi. Upon arrival at the pump station the source of the release was identified to be a three-quarter inch 316 seamless stainless steel tubing and fitting utilized for the mainline unit number 2 seal flush system. On april 1, 2016 at 13:18 cst the pipeline was restarted, but the conroe pump station was left isolated from the pipeline. On april 5, 2016 at 11:45 cst the conroe pump station was unisolated from the pipeline and started at 11:52 cst. The tubing and fitting were both photo documented by explorer and PHMSA. The tubing and fitting were submitted to a third-party for a failure analysis. A copy of the third-party failure analysis was provided to PHMSA. All impacted soil from the remediation was excavated, tested and was properly handled. |
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