Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2010-07-29 — OK
Operator
Semgroup Lp
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$2,150
Incident datetime
2010-07-29 16:30
Report number
Location
OK
Narrative
While conducting a routine aerial patrol of the pipeline, the pilot notice a small dark spot on the pipeline row in a pasture. Pilot contacted field personnel who investigated and determined there was a small pin hole leak. Line was excavated and pipe clamped. A permanent repair will be made in the near future. All oil was picked up and contaminated soil hauled out, new soil hauled in.
Detailed record list
Report Received Date
2010-08-29 00:00:00
Iyear
2010
Report Number
20100186
Supplemental Number
20028
Report Type
Supplemental Final
Operator Id
31476
Name
Semgroup Lp
Operator Street Address
11501 South I-44 Service Road
Operator City Name
Oklahoma City
Operator State Abbreviation
OK
Operator Postal Code
73173
Local Datetime
2010-07-29 16:30:00
Location Latitude
37.8875
Location Longitude
-97.90877
Commodity Released Type
Crude Oil
Unintentional Release Bbls
20
Intentional Release Bbls
0
Recovered Bbls
12
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Air Patrol
Operator Type
Contractor Working For The Operator
Incident Identified Datetime
2010-07-29 16:30:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
No
Shutdown Explain
Small Pin-Hole And Not Leaking When Uncovered.
On Site Datetime
2010-07-29 17:30:00
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Cunningham 12"
Segment Name
Haven To Cunningham
Onshore State Abbreviation
Ks
Onshore Postal Code
67501
Onshore City Name
Haven
Onshore County Name
Reno County
Designated Location
Milepost/valve Station
Designated Name
Mp33
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12.75
Pipe Wall Thickness
0.25
Pipe Smys
35000
Pipe Specification
Grade B
Pipe Seam Type
Erw � Unknown Frequency
Pipe Manufacturer
National
Pipe Coating Type
Coal Tar
Installation Year
1954
Manufactured Year
1954
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
No
Remediation Ind
No
Water Contam Ind
No
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
5000
Est Cost Gas Released
850
Est Cost Prop Damage
2150
Est Cost Emergency
2000
Est Cost Environmental
35000
Est Cost Other
0
Prpty
45000
Accident Psig
190
Mop Psig
275
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
422400
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
Pin hole leak, not detectable by scada.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
Localized Pitting
Int Microbiological Ind
Yes
Int Other Basis Ind
Yes
Int Corrosion Basis Details
Low Flow Line
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
No
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
E**** C***
Preparer Title
Manager Dot Compliance And Safety
Preparer Email
E****@s***********.com
Preparer Telephone
918-640-3384
Preparer Fax
405-691-5192
Prepared Date
2015-01-06 00:00:00
Authorizer Name
T*** A*******
Authorizer Telephone
918-524-8109
Authorizer Title
Dot Compliance Specialist Sr
Authorizer Email
T********@s***********.com
Narrative
While conducting a routine aerial patrol of the pipeline, the pilot notice a small dark spot on the pipeline row in a pasture. Pilot contacted field personnel who investigated and determined there was a small pin hole leak. Line was excavated and pipe clamped. A permanent repair will be made in the near future. All oil was picked up and contaminated soil hauled out, new soil hauled in.
| Report Received Date | 2010-08-29 00:00:00 |
|---|---|
| Iyear | 2010 |
| Report Number | 20100186 |
| Supplemental Number | 20028 |
| Report Type | Supplemental Final |
| Operator Id | 31476 PHMSA Enforcement |
| Name | Semgroup Lp |
| Operator Street Address | 11501 South I-44 Service Road |
| Operator City Name | Oklahoma City |
| Operator State Abbreviation | OK |
| Operator Postal Code | 73173 |
| Local Datetime | 2010-07-29 16:30:00 |
| Location Latitude | 37.8875 Google Maps OpenStreetMap |
| Location Longitude | -97.90877 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 20 |
| Intentional Release Bbls | 0 |
| Recovered Bbls | 12 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Air Patrol |
| Operator Type | Contractor Working For The Operator |
| Incident Identified Datetime | 2010-07-29 16:30:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Small Pin-Hole And Not Leaking When Uncovered. |
| On Site Datetime | 2010-07-29 17:30:00 |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Cunningham 12" |
| Segment Name | Haven To Cunningham |
| Onshore State Abbreviation | Ks |
| Onshore Postal Code | 67501 |
| Onshore City Name | Haven |
| Onshore County Name | Reno County |
| Designated Location | Milepost/valve Station |
| Designated Name | Mp33 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12.75 |
| Pipe Wall Thickness | 0.25 |
| Pipe Smys | 35000 |
| Pipe Specification | Grade B |
| Pipe Seam Type | Erw � Unknown Frequency |
| Pipe Manufacturer | National |
| Pipe Coating Type | Coal Tar |
| Installation Year | 1954 |
| Manufactured Year | 1954 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | No |
| Remediation Ind | No |
| Water Contam Ind | No |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 5000 |
| Est Cost Gas Released | 850 |
| Est Cost Prop Damage | 2150 |
| Est Cost Emergency | 2000 |
| Est Cost Environmental | 35000 |
| Est Cost Other | 0 |
| Prpty | 45000 |
| Accident Psig | 190 |
| Mop Psig | 275 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 422400 |
| 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 | Pin hole leak, not detectable by scada. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | Internal Corrosion |
| Internal External | Internal Corrosion |
| Int Visual Exam Results | Localized Pitting |
| Int Microbiological Ind | Yes |
| Int Other Basis Ind | Yes |
| Int Corrosion Basis Details | Low Flow Line |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | Yes |
| Corrosion Lining | No |
| Cleaning Dewatering | No |
| Corrosion Coupons | No |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | E**** C*** |
| Preparer Title | Manager Dot Compliance And Safety |
| Preparer Email | E****@s***********.com |
| Preparer Telephone | 918-640-3384 |
| Preparer Fax | 405-691-5192 |
| Prepared Date | 2015-01-06 00:00:00 |
| Authorizer Name | T*** A******* |
| Authorizer Telephone | 918-524-8109 |
| Authorizer Title | Dot Compliance Specialist Sr |
| Authorizer Email | T********@s***********.com |
| Narrative | While conducting a routine aerial patrol of the pipeline, the pilot notice a small dark spot on the pipeline row in a pasture. Pilot contacted field personnel who investigated and determined there was a small pin hole leak. Line was excavated and pipe clamped. A permanent repair will be made in the near future. All oil was picked up and contaminated soil hauled out, new soil hauled in. |
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