Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2015-06-16 — OK
Operator
Oneok Ngl Pipeline, Llc
Cause
Excavation Issue
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)
$110,000
Incident datetime
2015-06-16 17:00
Report number
Location
OK
Narrative
On tuesday, june 16, 2015, at 5:00 pm oneok employee was notified the oneok north snyder to snyder station - scurry 6" pipeline had been struck by a third party contractor causing a release. The morning of june 16th, a oneok representative had been on site and located the pipeline, (texas811 one-call number 1565965251), and the pipe had been exposed via hydro excavation. At that time the oneok employee advised the third-party contractor that no additional excavation was to occur on the oneok easement unless oneok personnel were on site. Later in the day, without notifying oneok, the contractor began to excavate the oneok pipeline and struck the line upon striking the pipeline and causing the release the contractor notified the oneok field representative, who immediately notified the oneok pipeline control center. The pipeline control center activated emergency shutdown devices (esd) on the inlet meters supplying the 6" pipeline isolating the line. The immediate response in isolating the pipeline, pre-empted leak detection alarm confirmation. Scurry county sherriff and fire department personnel were notified and arrived on site prior to oneok personnel, at which time they closed local roads (cr 1611) and evacuated two nearby homes, controlling access to the release site until oneok personnel arrived on site. The line was repaired and returned to service june 20, 2015 at 2:00 am.
Detailed record list
Report Received Date
2015-07-08 00:00:00
Iyear
2015
Report Number
20150246
Supplemental Number
20577
Report Type
Supplemental Final
Operator Id
32109
Name
Oneok Ngl Pipeline, Llc
Operator Street Address
100 West Fifth Street
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74103
Local Datetime
2015-06-16 17:00:00
Location Latitude
32.81384
Location Longitude
-100.93662
Commodity Released Type
Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions
Commodity Subtype
Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid)
Unintentional Release Bbls
1609
Intentional Release Bbls
85
Recovered Bbls
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Third Party That Caused The Accident
Incident Identified Datetime
2015-06-16 17:00:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2015-06-16 17:05:00
Restart Datetime
2015-06-20 02:00:00
On Site Datetime
2015-06-16 17:45:00
Nrc Rpt Datetime
2015-06-16 18:20:00
Nrc Rpt Num
1120006
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Check Valve
Num Pub Evacuated
7
Pipe Fac Name
North Snyder To Snyder Station Scurry 6"
Segment Name
20474
Onshore State Abbreviation
Tx
Onshore Postal Code
79549
Onshore City Name
Not Within A Municipality
Onshore County Name
Scurry
Designated Location
Milepost/valve Station
Designated Name
4.71
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
42
Crossing
No
Pipe Facility Type
Interstate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
6.625
Pipe Wall Thickness
0.109
Pipe Smys
52000
Pipe Specification
Api 5l
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Lonestar
Pipe Coating Type
Cold Applied Tape
Installation Year
1971
Manufactured Year
1971
Material Involved
Carbon Steel
Release Type
Mechanical Puncture
Puncture Axial
1.5
Puncture Circum
0.5
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
1500
Est Cost Gas Released
33677
Est Cost Prop Damage
110000
Est Cost Emergency
2500
Est Cost Environmental
0
Est Cost Other
2000
Est Cost Other Details
Meals And Lodging For Displaced Residents
Prpty
149677
Accident Psig
479
Mop Psig
1220
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
39706
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
Yes
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
Third party excavation damage. No controller actions were involved.
Employee Drug Test Ind
Yes
Contractor Drug Test Ind
No
Num Employees Tested
1
Num Employees Failed
0
Cause
Excavation Damage
Cause Details
Excavation Damage By Third Party
Ex Party Type
Excavation Damage By Third Party
Prior Notification Ind
Yes
One Call System Ind
Yes
Excavator Ind
Yes
Contractor Ind
Yes
Notify Cga Dirt
Yes
Pipeline Easement Row Ind
Yes
Excavator Type
Contractor
Excavator Equipment
Backhoe/trackhoe
Work Performed
Liquid Pipeline
One Call Notified Ind
Yes
One Call Ticket Num
1565965251
One Call Center Name
Texas811
Locator Type
Utility Owner
Visible Marks
Yes
Service Interruption
Yes
Service Interruption Hours
81
Root Cause Category
Excavation Issue
Root Cause Type
Excavator Failed To Maintain Clearance After Verifying Marks
Collected Data Ind
Yes
Geometry Deformation Ind
Yes
Geometry Recent Year
2013
Insp Compl Before Damage Ind
Yes
Has Hydrtst Conduc Before Ind
No
Preparer Name
N*** J****
Preparer Title
Regulatory Compliance Coordinator
Preparer Email
N*********@o****.com
Preparer Telephone
580-395-6304
Preparer Fax
580-395-2933
Prepared Date
2015-07-10 00:00:00
Authorizer Name
N*** J****
Authorizer Telephone
580-395-6304
Authorizer Title
Regulatory Compliance Coordinator
Authorizer Email
N*********@o****.com
Narrative
On tuesday, june 16, 2015, at 5:00 pm oneok employee was notified the oneok north snyder to snyder station - scurry 6" pipeline had been struck by a third party contractor causing a release. The morning of june 16th, a oneok representative had been on site and located the pipeline, (texas811 one-call number 1565965251), and the pipe had been exposed via hydro excavation. At that time the oneok employee advised the third-party contractor that no additional excavation was to occur on the oneok easement unless oneok personnel were on site. Later in the day, without notifying oneok, the contractor began to excavate the oneok pipeline and struck the line upon striking the pipeline and causing the release the contractor notified the oneok field representative, who immediately notified the oneok pipeline control center. The pipeline control center activated emergency shutdown devices (esd) on the inlet meters supplying the 6" pipeline isolating the line. The immediate response in isolating the pipeline, pre-empted leak detection alarm confirmation. Scurry county sherriff and fire department personnel were notified and arrived on site prior to oneok personnel, at which time they closed local roads (cr 1611) and evacuated two nearby homes, controlling access to the release site until oneok personnel arrived on site. The line was repaired and returned to service june 20, 2015 at 2:00 am.
| Report Received Date | 2015-07-08 00:00:00 |
|---|---|
| Iyear | 2015 |
| Report Number | 20150246 |
| Supplemental Number | 20577 |
| Report Type | Supplemental Final |
| Operator Id | 32109 PHMSA Enforcement |
| Name | Oneok Ngl Pipeline, Llc |
| Operator Street Address | 100 West Fifth Street |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74103 |
| Local Datetime | 2015-06-16 17:00:00 |
| Location Latitude | 32.81384 Google Maps OpenStreetMap |
| Location Longitude | -100.93662 Google Maps OpenStreetMap |
| Commodity Released Type | Hvl Or Other Flammable Or Toxic Fluid Which Is A Gas At Ambient Conditions |
| Commodity Subtype | Lpg (Liquefied Petroleum Gas) / Ngl (Natural Gas Liquid) |
| Unintentional Release Bbls | 1609 |
| Intentional Release Bbls | 85 |
| Recovered Bbls | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Third Party That Caused The Accident |
| Incident Identified Datetime | 2015-06-16 17:00:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2015-06-16 17:05:00 |
| Restart Datetime | 2015-06-20 02:00:00 |
| On Site Datetime | 2015-06-16 17:45:00 |
| Nrc Rpt Datetime | 2015-06-16 18:20:00 |
| Nrc Rpt Num | 1120006 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Check Valve |
| Num Pub Evacuated | 7 |
| Pipe Fac Name | North Snyder To Snyder Station Scurry 6" |
| Segment Name | 20474 |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 79549 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Scurry |
| Designated Location | Milepost/valve Station |
| Designated Name | 4.71 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 42 |
| Crossing | No |
| Pipe Facility Type | Interstate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 6.625 |
| Pipe Wall Thickness | 0.109 |
| Pipe Smys | 52000 |
| Pipe Specification | Api 5l |
| Pipe Seam Type | Erw - High Frequency |
| Pipe Manufacturer | Lonestar |
| Pipe Coating Type | Cold Applied Tape |
| Installation Year | 1971 |
| Manufactured Year | 1971 |
| Material Involved | Carbon Steel |
| Release Type | Mechanical Puncture |
| Puncture Axial | 1.5 |
| Puncture Circum | 0.5 |
| 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 | 1500 |
| Est Cost Gas Released | 33677 |
| Est Cost Prop Damage | 110000 |
| Est Cost Emergency | 2500 |
| Est Cost Environmental | 0 |
| Est Cost Other | 2000 |
| Est Cost Other Details | Meals And Lodging For Displaced Residents |
| Prpty | 149677 |
| Accident Psig | 479 |
| Mop Psig | 1220 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 39706 |
| 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 | Yes |
| 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 | Third party excavation damage. No controller actions were involved. |
| Employee Drug Test Ind | Yes |
| Contractor Drug Test Ind | No |
| Num Employees Tested | 1 |
| Num Employees Failed | 0 |
| Cause | Excavation Damage |
| Cause Details | Excavation Damage By Third Party |
| Ex Party Type | Excavation Damage By Third Party |
| Prior Notification Ind | Yes |
| One Call System Ind | Yes |
| Excavator Ind | Yes |
| Contractor Ind | Yes |
| Notify Cga Dirt | Yes |
| Pipeline Easement Row Ind | Yes |
| Excavator Type | Contractor |
| Excavator Equipment | Backhoe/trackhoe |
| Work Performed | Liquid Pipeline |
| One Call Notified Ind | Yes |
| One Call Ticket Num | 1565965251 |
| One Call Center Name | Texas811 |
| Locator Type | Utility Owner |
| Visible Marks | Yes |
| Service Interruption | Yes |
| Service Interruption Hours | 81 |
| Root Cause Category | Excavation Issue |
| Root Cause Type | Excavator Failed To Maintain Clearance After Verifying Marks |
| Collected Data Ind | Yes |
| Geometry Deformation Ind | Yes |
| Geometry Recent Year | 2013 |
| Insp Compl Before Damage Ind | Yes |
| Has Hydrtst Conduc Before Ind | No |
| Preparer Name | N*** J**** |
| Preparer Title | Regulatory Compliance Coordinator |
| Preparer Email | N*********@o****.com |
| Preparer Telephone | 580-395-6304 |
| Preparer Fax | 580-395-2933 |
| Prepared Date | 2015-07-10 00:00:00 |
| Authorizer Name | N*** J**** |
| Authorizer Telephone | 580-395-6304 |
| Authorizer Title | Regulatory Compliance Coordinator |
| Authorizer Email | N*********@o****.com |
| Narrative | On tuesday, june 16, 2015, at 5:00 pm oneok employee was notified the oneok north snyder to snyder station - scurry 6" pipeline had been struck by a third party contractor causing a release. The morning of june 16th, a oneok representative had been on site and located the pipeline, (texas811 one-call number 1565965251), and the pipe had been exposed via hydro excavation. At that time the oneok employee advised the third-party contractor that no additional excavation was to occur on the oneok easement unless oneok personnel were on site. Later in the day, without notifying oneok, the contractor began to excavate the oneok pipeline and struck the line upon striking the pipeline and causing the release the contractor notified the oneok field representative, who immediately notified the oneok pipeline control center. The pipeline control center activated emergency shutdown devices (esd) on the inlet meters supplying the 6" pipeline isolating the line. The immediate response in isolating the pipeline, pre-empted leak detection alarm confirmation. Scurry county sherriff and fire department personnel were notified and arrived on site prior to oneok personnel, at which time they closed local roads (cr 1611) and evacuated two nearby homes, controlling access to the release site until oneok personnel arrived on site. The line was repaired and returned to service june 20, 2015 at 2:00 am. |
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