Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2010-08-05 — TX
Operator
Mid - Valley Pipeline Co
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$6,709
Incident datetime
2010-08-05 14:15
Report number
Location
TX
Narrative
Pipeliner was performing one-call duties on location. During row examination, he smelled an odor and investigated further. At mp 76 valve site, he probed the line and found product at the location. Line was shut down, area was excavated and the upstream gasket was found to be leaking. Both the upstream and downstream flange studs were tightened and a four hour test was administered to see if any additional seepage occurred. The line segment was restarted the next day.
Detailed record list
Report Received Date
2010-08-30 00:00:00
Iyear
2010
Report Number
20100187
Supplemental Number
15335
Report Type
Supplemental Final
Operator Id
12470
Name
Mid - Valley Pipeline Co
Operator Street Address
1300 Main Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Local Datetime
2010-08-05 14:00:00
Location Latitude
41.6234
Location Longitude
-83.4878
Commodity Released Type
Crude Oil
Unintentional Release Bbls
1
Intentional Release Bbls
0
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
2010-08-05 14:15:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2010-08-05 14:50:00
Restart Datetime
2010-08-06 14:37:00
On Site Datetime
2010-08-05 14:15:00
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Remotely Controlled
Num Pub Evacuated
0
Pipe Fac Name
Maumee System
Segment Name
Cygnet To Samaria 22"
Onshore State Abbreviation
Oh
Onshore Postal Code
43616
Onshore City Name
Oregon
Onshore County Name
Lucas
Designated Location
Milepost/valve Station
Designated Name
Mp 76
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
48
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Flange Assembly
Installation Year
1950
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Seal Or Packing
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
Yes
Commodity Reached Hca
Yes
High Pop Ind
Yes
High Pop Yes No
Yes
Est Cost Gas Released
79
Est Cost Prop Damage
6709
Est Cost Emergency
3790
Est Cost Environmental
10660
Prpty
21238
Accident Psig
120
Mop Psig
788
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
47520
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
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
Seep from an underground flange would not be detectable on scada.
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
Gasket
Additional Vibration Ind
Yes
Preparer Name
K****** D**** B***
Preparer Title
Area Dot Compliance Supervisor
Preparer Email
K*****@s**************.com
Preparer Telephone
281-637-6497
Preparer Fax
281-637-6425
Prepared Date
2010-10-13 00:00:00
Authorizer Name
K****** D**** B***
Authorizer Telephone
281-637-6497
Authorizer Title
Area Dot Compliance Supervisor
Authorizer Email
K*****@s**************.com
Narrative
Pipeliner was performing one-call duties on location. During row examination, he smelled an odor and investigated further. At mp 76 valve site, he probed the line and found product at the location. Line was shut down, area was excavated and the upstream gasket was found to be leaking. Both the upstream and downstream flange studs were tightened and a four hour test was administered to see if any additional seepage occurred. The line segment was restarted the next day.
| Report Received Date | 2010-08-30 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100187 |
| Supplemental Number | 15335 |
| Report Type | Supplemental Final |
| Operator Id | 12470 PHMSA Enforcement |
| Name | Mid - Valley Pipeline Co |
| Operator Street Address | 1300 Main Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Local Datetime | 2010-08-05 14:00:00 |
| Location Latitude | 41.6234 Google Maps OpenStreetMap |
| Location Longitude | -83.4878 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 1 |
| Intentional Release Bbls | 0 |
| 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 | 2010-08-05 14:15:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2010-08-05 14:50:00 |
| Restart Datetime | 2010-08-06 14:37:00 |
| On Site Datetime | 2010-08-05 14:15:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Remotely Controlled |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Maumee System |
| Segment Name | Cygnet To Samaria 22" |
| Onshore State Abbreviation | Oh |
| Onshore Postal Code | 43616 |
| Onshore City Name | Oregon |
| Onshore County Name | Lucas |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp 76 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 48 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Flange Assembly |
| Installation Year | 1950 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Seal Or Packing |
| 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 | Yes |
| Commodity Reached Hca | Yes |
| High Pop Ind | Yes |
| High Pop Yes No | Yes |
| Est Cost Gas Released | 79 |
| Est Cost Prop Damage | 6709 |
| Est Cost Emergency | 3790 |
| Est Cost Environmental | 10660 |
| Prpty | 21238 |
| Accident Psig | 120 |
| Mop Psig | 788 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 47520 |
| 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 | 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 | Seep from an underground flange would not be detectable on scada. |
| 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 | Gasket |
| Additional Vibration Ind | Yes |
| Preparer Name | K****** D**** B*** |
| Preparer Title | Area Dot Compliance Supervisor |
| Preparer Email | K*****@s**************.com |
| Preparer Telephone | 281-637-6497 |
| Preparer Fax | 281-637-6425 |
| Prepared Date | 2010-10-13 00:00:00 |
| Authorizer Name | K****** D**** B*** |
| Authorizer Telephone | 281-637-6497 |
| Authorizer Title | Area Dot Compliance Supervisor |
| Authorizer Email | K*****@s**************.com |
| Narrative | Pipeliner was performing one-call duties on location. During row examination, he smelled an odor and investigated further. At mp 76 valve site, he probed the line and found product at the location. Line was shut down, area was excavated and the upstream gasket was found to be leaking. Both the upstream and downstream flange studs were tightened and a four hour test was administered to see if any additional seepage occurred. The line segment was restarted the next day. |
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