Incident details
Operator, cause, commodity and consequences with raw source fields.
HL incident on 2021-08-16 — CO
Operator
Noble Midstream Services, Llc
Cause
Corrosion Failure
Commodity
Crude Oil
Program
HL
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$100,000
Incident datetime
2021-08-16 10:45
Report number
Location
CO
Narrative
Noble midstream operations personnel were made aware of a suspected leak at 10:17 am mdt on august 16th, 2021, as reported by a landowner. Field personnel were dispatched, and they confirmed the report. The compromised segment of the buried 12" gathering line was shut down by the operations control center and the nearest isolation valve was manually closed at 11:09 am mdt on august 16th, 2020. Emergency response crews reached the site and deployed boom to protect a nearby irrigation canal at 11:45 am mdt on august 16th, 2020. Recovery crews began to excavate a containment system and recover liquids with vacuum trucks at 02:17 pm mdt on august 16th, 2021. A pipe clamp was installed to stop the release at 02:11 pm mdt on august 20th, 2021. The affect pipeline segment remains out-of-service at the time of this report. The estimated release volume is based on engineering calculations and the volume of liquid recovered. 13,946 tons of contaminated soil in the area surrounding the release was removed and properly disposed. Sampling conducted by an environmental services vendor confirmed that groundwater in the immediate area surrounding the release was impacted. Efforts to remediate contaminated groundwater and estimate the volume of product recovered are still in progress at the time of this report. A representative from the colorado oil & gas conservation committee witnessed incident response and soil remediation efforts at the release location on august 16th, 2021 and august 26th, 2021. Noble midstream engaged the chevron technical center laboratory in houston, tx for further analysis of the failed piping. The laboratory concluded the harper-kona pipeline failed from microbially induced corrosion (mic). The laboratory also ruled out that construction and manufacturing quality of the piping was a factor in internal corrosion. The following analyses were performed by the laboratory to support this conclusion: visual inspection sectioning and metallurgical inspection to evaluate microstructure microbial assessment using atp photometry and qpcr quantitative x-ray diffraction (qxrd) energy dispersive x-ray spectroscopy (eds) the following remedial actions have been identified to mitigate the internal corrosion: 1. Conduct an engineering study on the wells ranch gathering system to identify areas with slow moving fluids and the potential for mic. Due 2q2022. 2. Reevaluate pipeline integrity risk assessment with a focus on learnings from this event. Due 2q2022 3. Improve the chemical program in the wells ranch gathering system. Due 4q2021. 4. Replace the failed sections of harper-kona piping. Completed september 2022
Detailed record list
Report Received Date
2021-09-15 00:00:00
Iyear
2021
Report Number
20210259
Supplemental Number
36157
Report Type
Supplemental Final
Operator Id
31755
Name
Noble Midstream Services, Llc
Operator Street Address
2115 117th Ave
Operator City Name
Greeley
Operator State Abbreviation
CO
Operator Postal Code
80634
Local Datetime
2021-08-16 10:17:00
Location Latitude
40.46826605
Location Longitude
-104.5567758
Commodity Released Type
Crude Oil
Unintentional Release Bbls
340
Recovered Bbls
339
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Accident Identifier
Notification From Public
Incident Identified Datetime
2021-08-16 10:45:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2021-08-16 11:09:00
Restart Datetime
2021-10-06 16:30:00
On Site Datetime
2021-08-16 11:15:00
Nrc Rpt Datetime
2021-08-16 12:56:00
Nrc Rpt Num
1313844
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Remotely Controlled
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
Harper Kona Pipeline
Segment Name
Wrl-12-Tlw-300
Onshore State Abbreviation
Co
Onshore Postal Code
80622
Onshore City Name
Not Within A Municipality
Onshore County Name
Weld
Designated Location
Survey Station No.
Designated Name
955' D/s Hk
Federal
No
Location Type
Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
60
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
12
Pipe Wall Thickness
0.375
Pipe Smys
52000
Pipe Specification
Api 5l X52
Pipe Seam Type
Erw - High Frequency
Pipe Manufacturer
Maruichi Sun Steel Joint Stock Company
Pipe Coating Type
Fusion Bonded Epoxy(Fbe)
Installation Year
2017
Manufactured Year
2014
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Wildlife Impact Ind
No
Soil Contamination
Yes
Long Term Assessment
Yes
Remediation Ind
Yes
Groundwater Remed Ind
Yes
Soil Remed Ind
Yes
Vegetation Remed Ind
Yes
Water Contam Ind
Yes
Groundwater Contam Ind
Yes
Amount Released
0.03
Rel Water Name
Groundwater
Could Be Hca
No
Commodity Reached Hca
No
Est Cost Oper Paid
10000
Est Cost Gas Released
17000
Est Cost Prop Damage
100000
Est Cost Emergency
25000
Est Cost Environmental
1100000
Est Cost Other
0
Prpty
1252000
Accident Psig
135
Mop Psig
500
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
29145
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
The controllers were not a cause or contributing factor in this event.
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 Field Exam Basis Ind
Yes
Int Metallurgical Basis Ind
Yes
Int Low Point Pipe Loc Ind
Yes
Corrosion Inhibitors
Yes
Corrosion Lining
No
Cleaning Dewatering
Yes
Corrosion Coupons
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
J****** W****
Preparer Title
Process Safety Advisor
Preparer Email
J************@c******.com
Preparer Telephone
970-278-6700
Prepared Date
2021-12-20 00:00:00
Authorizer Name
M****** E****
Authorizer Telephone
720-215-7961
Authorizer Title
Manager Of Facilities And Pipeline
Authorizer Email
M*********@c******.com
Narrative
Noble midstream operations personnel were made aware of a suspected leak at 10:17 am mdt on august 16th, 2021, as reported by a landowner. Field personnel were dispatched, and they confirmed the report. The compromised segment of the buried 12" gathering line was shut down by the operations control center and the nearest isolation valve was manually closed at 11:09 am mdt on august 16th, 2020. Emergency response crews reached the site and deployed boom to protect a nearby irrigation canal at 11:45 am mdt on august 16th, 2020. Recovery crews began to excavate a containment system and recover liquids with vacuum trucks at 02:17 pm mdt on august 16th, 2021. A pipe clamp was installed to stop the release at 02:11 pm mdt on august 20th, 2021. The affect pipeline segment remains out-of-service at the time of this report. The estimated release volume is based on engineering calculations and the volume of liquid recovered. 13,946 tons of contaminated soil in the area surrounding the release was removed and properly disposed. Sampling conducted by an environmental services vendor confirmed that groundwater in the immediate area surrounding the release was impacted. Efforts to remediate contaminated groundwater and estimate the volume of product recovered are still in progress at the time of this report. A representative from the colorado oil & gas conservation committee witnessed incident response and soil remediation efforts at the release location on august 16th, 2021 and august 26th, 2021. Noble midstream engaged the chevron technical center laboratory in houston, tx for further analysis of the failed piping. The laboratory concluded the harper-kona pipeline failed from microbially induced corrosion (mic). The laboratory also ruled out that construction and manufacturing quality of the piping was a factor in internal corrosion. The following analyses were performed by the laboratory to support this conclusion: visual inspection sectioning and metallurgical inspection to evaluate microstructure microbial assessment using atp photometry and qpcr quantitative x-ray diffraction (qxrd) energy dispersive x-ray spectroscopy (eds) the following remedial actions have been identified to mitigate the internal corrosion: 1. Conduct an engineering study on the wells ranch gathering system to identify areas with slow moving fluids and the potential for mic. Due 2q2022. 2. Reevaluate pipeline integrity risk assessment with a focus on learnings from this event. Due 2q2022 3. Improve the chemical program in the wells ranch gathering system. Due 4q2021. 4. Replace the failed sections of harper-kona piping. Completed september 2022
| Report Received Date | 2021-09-15 00:00:00 |
|---|---|
| Iyear | 2021 |
| Report Number | 20210259 |
| Supplemental Number | 36157 |
| Report Type | Supplemental Final |
| Operator Id | 31755 PHMSA Enforcement |
| Name | Noble Midstream Services, Llc |
| Operator Street Address | 2115 117th Ave |
| Operator City Name | Greeley |
| Operator State Abbreviation | CO |
| Operator Postal Code | 80634 |
| Local Datetime | 2021-08-16 10:17:00 |
| Location Latitude | 40.46826605 Google Maps OpenStreetMap |
| Location Longitude | -104.5567758 Google Maps OpenStreetMap |
| Commodity Released Type | Crude Oil |
| Unintentional Release Bbls | 340 |
| Recovered Bbls | 339 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Accident Identifier | Notification From Public |
| Incident Identified Datetime | 2021-08-16 10:45:00 |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| On Off Shore | Onshore |
| Shutdown Due Accident Ind | Yes |
| Shutdown Datetime | 2021-08-16 11:09:00 |
| Restart Datetime | 2021-10-06 16:30:00 |
| On Site Datetime | 2021-08-16 11:15:00 |
| Nrc Rpt Datetime | 2021-08-16 12:56:00 |
| Nrc Rpt Num | 1313844 NRC Report How to search |
| Ignite Ind | No |
| Explode Ind | No |
| Upstream Valve Type Ind | Remotely Controlled |
| Downstream Valve Type Ind | Manual |
| Num Pub Evacuated | 0 |
| Pipe Fac Name | Harper Kona Pipeline |
| Segment Name | Wrl-12-Tlw-300 |
| Onshore State Abbreviation | Co |
| Onshore Postal Code | 80622 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Weld |
| Designated Location | Survey Station No. |
| Designated Name | 955' D/s Hk |
| Federal | No |
| Location Type | Originated On Operator-Controlled Property, But Then Flowed Or Migrated Off The Property |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 60 |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 12 |
| Pipe Wall Thickness | 0.375 |
| Pipe Smys | 52000 |
| Pipe Specification | Api 5l X52 |
| Pipe Seam Type | Erw - High Frequency |
| Pipe Manufacturer | Maruichi Sun Steel Joint Stock Company |
| Pipe Coating Type | Fusion Bonded Epoxy(Fbe) |
| Installation Year | 2017 |
| Manufactured Year | 2014 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Wildlife Impact Ind | No |
| Soil Contamination | Yes |
| Long Term Assessment | Yes |
| Remediation Ind | Yes |
| Groundwater Remed Ind | Yes |
| Soil Remed Ind | Yes |
| Vegetation Remed Ind | Yes |
| Water Contam Ind | Yes |
| Groundwater Contam Ind | Yes |
| Amount Released | 0.03 |
| Rel Water Name | Groundwater |
| Could Be Hca | No |
| Commodity Reached Hca | No |
| Est Cost Oper Paid | 10000 |
| Est Cost Gas Released | 17000 |
| Est Cost Prop Damage | 100000 |
| Est Cost Emergency | 25000 |
| Est Cost Environmental | 1100000 |
| Est Cost Other | 0 |
| Prpty | 1252000 |
| Accident Psig | 135 |
| Mop Psig | 500 |
| Accident Pressure | Pressure Did Not Exceed Mop |
| Pressure Restriction Ind | No |
| Length Segment Isolated | 29145 |
| 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 | The controllers were not a cause or contributing factor in this event. |
| 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 Field Exam Basis Ind | Yes |
| Int Metallurgical Basis Ind | Yes |
| Int Low Point Pipe Loc Ind | Yes |
| Corrosion Inhibitors | Yes |
| Corrosion Lining | No |
| Cleaning Dewatering | Yes |
| Corrosion Coupons | Yes |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | J****** W**** |
| Preparer Title | Process Safety Advisor |
| Preparer Email | J************@c******.com |
| Preparer Telephone | 970-278-6700 |
| Prepared Date | 2021-12-20 00:00:00 |
| Authorizer Name | M****** E**** |
| Authorizer Telephone | 720-215-7961 |
| Authorizer Title | Manager Of Facilities And Pipeline |
| Authorizer Email | M*********@c******.com |
| Narrative | Noble midstream operations personnel were made aware of a suspected leak at 10:17 am mdt on august 16th, 2021, as reported by a landowner. Field personnel were dispatched, and they confirmed the report. The compromised segment of the buried 12" gathering line was shut down by the operations control center and the nearest isolation valve was manually closed at 11:09 am mdt on august 16th, 2020. Emergency response crews reached the site and deployed boom to protect a nearby irrigation canal at 11:45 am mdt on august 16th, 2020. Recovery crews began to excavate a containment system and recover liquids with vacuum trucks at 02:17 pm mdt on august 16th, 2021. A pipe clamp was installed to stop the release at 02:11 pm mdt on august 20th, 2021. The affect pipeline segment remains out-of-service at the time of this report. The estimated release volume is based on engineering calculations and the volume of liquid recovered. 13,946 tons of contaminated soil in the area surrounding the release was removed and properly disposed. Sampling conducted by an environmental services vendor confirmed that groundwater in the immediate area surrounding the release was impacted. Efforts to remediate contaminated groundwater and estimate the volume of product recovered are still in progress at the time of this report. A representative from the colorado oil & gas conservation committee witnessed incident response and soil remediation efforts at the release location on august 16th, 2021 and august 26th, 2021. Noble midstream engaged the chevron technical center laboratory in houston, tx for further analysis of the failed piping. The laboratory concluded the harper-kona pipeline failed from microbially induced corrosion (mic). The laboratory also ruled out that construction and manufacturing quality of the piping was a factor in internal corrosion. The following analyses were performed by the laboratory to support this conclusion: visual inspection sectioning and metallurgical inspection to evaluate microstructure microbial assessment using atp photometry and qpcr quantitative x-ray diffraction (qxrd) energy dispersive x-ray spectroscopy (eds) the following remedial actions have been identified to mitigate the internal corrosion: 1. Conduct an engineering study on the wells ranch gathering system to identify areas with slow moving fluids and the potential for mic. Due 2q2022. 2. Reevaluate pipeline integrity risk assessment with a focus on learnings from this event. Due 2q2022 3. Improve the chemical program in the wells ranch gathering system. Due 4q2021. 4. Replace the failed sections of harper-kona piping. Completed september 2022 |
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