Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2015-10-12 — ND
Operator
Usg Wheatland Pipeline, Llc
Cause
Equipment Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$16,701
Incident datetime
2015-10-12 00:45
Report number
Location
ND
Narrative
On october 12, 2015, a failure of a 1inch schedule 80 pipe nipple on the exit side the lact skid building (wheatland pipeline point of beginning) caused approximately 27 barrels of crude oil to be released around the surrounding area. The preliminary metallurgical results from the failed pipe nipple indicate that there was crack propogation over time due to potential vibratory stresses which could have been initiated at initial installation. Upon further evaluation it is supected that a piece of debris struck the pipe nipple and assembly, which subsequently caused the 1inch pipe nipple to separate through the wall at the weld-o-let on the pipeline during a high winds event. During the release site staff reported a northwest wind, sustained at 30 mph, with gusts 40 to 60 mph. Pooling of crude oil was primarily at the point of release, but some crude oil exiting the cracked nipple was picked up by the wind and deposited to the southeast. The agricultural field outside of the pob security fence to the southeast had a light coating of crude oil on the topmost layer of vegetation. County road 22nd st. Nw, north of the release, was not impacted. Approximately 152 cubic yards of soil/gravel was excavated for disposal.
Detailed record list
Report Received Date
2015-11-09 00:00:00
Iyear
2015
Report Number
20150394
Supplemental Number
21758
Report Type
Supplemental Final
Operator Id
39349
Name
Usg Wheatland Pipeline, Llc
Operator Street Address
1500 14th Street West, Suite 270
Operator City Name
Williston
Operator State Abbreviation
ND
Operator Postal Code
58801
Local Datetime
2015-10-12 02:35:00
Location Latitude
47.732308
Location Longitude
-103.743398
Commodity Released Type
Crude Oil
Unintentional Release Bbls
27
Recovered Bbls
25
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Incident Identified Datetime
2015-10-12 00:45:00
System Part Involved
Onshore Pump/meter Station Equipment And Piping
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-10-12 03:25:00
Restart Datetime
2015-10-13 18:45:00
On Site Datetime
2015-10-12 02:38:00
Nrc Rpt Datetime
2015-10-12 10:12:00
Nrc Rpt Num
1130653
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Pipe Fac Name
Wheatland Pipeline
Segment Name
Point Of Beginning
Onshore State Abbreviation
Nd
Onshore Postal Code
58838
Onshore City Name
Not Within A Municipality
Onshore County Name
Mckenzie
Designated Location
Milepost/valve Station
Designated Name
Pob
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
Intrastate
Item Involved
Instrumentation
Installation Year
2014
Material Involved
Carbon Steel
Release Type
Rupture
Rupture Orient
Circumferential
Rupture Width
0.1
Rupture Length
0.5
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
1080
Est Cost Prop Damage
16701
Est Cost Emergency
246810
Est Cost Environmental
110540
Est Cost Other
0
Prpty
375131
Accident Psig
143
Mop Psig
285
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Pipeline Function
< 20% Smys Regulated Transmission
Scada In Place Ind
No
Cpm In Place Ind
No
Investigation Status
No, the facility was not monitored by a controller(s) at the time of the accident
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Equipment Failure
Cause Details
Threaded Connection/coupling Failure
Eq Failure Type
Threaded Connection/coupling Failure
Other Stripped Ind
Pipe Nipple
Additional Vibration Ind
Yes
Eq Additional Other Ind
Yes
Eq Additional Other Details
Suspected Impact From Debris Due To High Winds
Preparer Name
M****** S******
Preparer Title
Senior Environmental Specialist
Preparer Email
M****************@n**.com
Preparer Telephone
713-951-5370
Prepared Date
2016-10-14 00:00:00
Authorizer Name
R*** W*******
Authorizer Telephone
303-478-2269
Authorizer Title
Regional Director Operations
Authorizer Email
R***************@n************.com
Narrative
On october 12, 2015, a failure of a 1inch schedule 80 pipe nipple on the exit side the lact skid building (wheatland pipeline point of beginning) caused approximately 27 barrels of crude oil to be released around the surrounding area. The preliminary metallurgical results from the failed pipe nipple indicate that there was crack propogation over time due to potential vibratory stresses which could have been initiated at initial installation. Upon further evaluation it is supected that a piece of debris struck the pipe nipple and assembly, which subsequently caused the 1inch pipe nipple to separate through the wall at the weld-o-let on the pipeline during a high winds event. During the release site staff reported a northwest wind, sustained at 30 mph, with gusts 40 to 60 mph. Pooling of crude oil was primarily at the point of release, but some crude oil exiting the cracked nipple was picked up by the wind and deposited to the southeast. The agricultural field outside of the pob security fence to the southeast had a light coating of crude oil on the topmost layer of vegetation. County road 22nd st. Nw, north of the release, was not impacted. Approximately 152 cubic yards of soil/gravel was excavated for disposal.
| Report Received Date | 2015-11-09 00:00:00 |
|---|---|
| Iyear | 2015 |
| Report Number | 20150394 |
| Supplemental Number | 21758 |
| Report Type | Supplemental Final |
| Operator Id | 39349 PHMSA Enforcement |
| Name | Usg Wheatland Pipeline, Llc |
| Operator Street Address | 1500 14th Street West, Suite 270 |
| Operator City Name | Williston |
| Operator State Abbreviation | ND |
| Operator Postal Code | 58801 |
| Local Datetime | 2015-10-12 02:35:00 |
| Location Latitude | 47.732308 Google Maps OpenStreetMap |
| Location Longitude | -103.743398 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 27 |
| Recovered Bbls | 25 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Incident Identified Datetime | 2015-10-12 00:45:00 |
| System Part Involved | Onshore Pump/meter Station Equipment And Piping |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2015-10-12 03:25:00 |
| Restart Datetime | 2015-10-13 18:45:00 |
| On Site Datetime | 2015-10-12 02:38:00 |
| Nrc Rpt Datetime | 2015-10-12 10:12:00 |
| Nrc Rpt Num | 1130653 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Wheatland Pipeline |
| Segment Name | Point Of Beginning |
| Onshore State Abbreviation | Nd |
| Onshore Postal Code | 58838 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Mckenzie |
| Designated Location | Milepost/valve Station |
| Designated Name | Pob |
| 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 | Intrastate |
| Item Involved | Instrumentation |
| Installation Year | 2014 |
| Material Involved | Carbon Steel |
| Release Type | Rupture |
| Rupture Orient | Circumferential |
| Rupture Width | 0.1 |
| Rupture Length | 0.5 |
| 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 | 1080 |
| Est Cost Prop Damage | 16701 |
| Est Cost Emergency | 246810 |
| Est Cost Environmental | 110540 |
| Est Cost Other | 0 |
| Prpty | 375131 |
| Accident Psig | 143 |
| Mop Psig | 285 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Pipeline Function | < 20% Smys Regulated Transmission |
| Scada In Place Ind | No |
| Cpm In Place Ind | No |
| Investigation Status | No, the facility was not monitored by a controller(s) at the time of the accident |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Equipment Failure |
| Cause Details | Threaded Connection/coupling Failure |
| Eq Failure Type | Threaded Connection/coupling Failure |
| Other Stripped Ind | Pipe Nipple |
| Additional Vibration Ind | Yes |
| Eq Additional Other Ind | Yes |
| Eq Additional Other Details | Suspected Impact From Debris Due To High Winds |
| Preparer Name | M****** S****** |
| Preparer Title | Senior Environmental Specialist |
| Preparer Email | M****************@n**.com |
| Preparer Telephone | 713-951-5370 |
| Prepared Date | 2016-10-14 00:00:00 |
| Authorizer Name | R*** W******* |
| Authorizer Telephone | 303-478-2269 |
| Authorizer Title | Regional Director Operations |
| Authorizer Email | R***************@n************.com |
| Narrative | On october 12, 2015, a failure of a 1inch schedule 80 pipe nipple on the exit side the lact skid building (wheatland pipeline point of beginning) caused approximately 27 barrels of crude oil to be released around the surrounding area. The preliminary metallurgical results from the failed pipe nipple indicate that there was crack propogation over time due to potential vibratory stresses which could have been initiated at initial installation. Upon further evaluation it is supected that a piece of debris struck the pipe nipple and assembly, which subsequently caused the 1inch pipe nipple to separate through the wall at the weld-o-let on the pipeline during a high winds event. During the release site staff reported a northwest wind, sustained at 30 mph, with gusts 40 to 60 mph. Pooling of crude oil was primarily at the point of release, but some crude oil exiting the cracked nipple was picked up by the wind and deposited to the southeast. The agricultural field outside of the pob security fence to the southeast had a light coating of crude oil on the topmost layer of vegetation. County road 22nd st. Nw, north of the release, was not impacted. Approximately 152 cubic yards of soil/gravel was excavated for disposal. |
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