HL incident on 2017-04-03 — TX

Operator
Citgo Refining & Chemical Co. L.p.
Cause
Corrosion Failure
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)
$6,000
Incident datetime
2017-04-03 11:45
Report number
Location
TX
Narrative
On 11/4 at approximately 11:45 magellan called and said we had a potential leak on the p01 propane line that runs through their property. At the time of the incident the line was not in use but did have product. The pressure was estimated to be about 70 psig. The line was immediately blocked in where the line is connected to buckeye and the depressuring process was started to our flare gas recovery unit. The line was depressured in about 14 hrs and 25 minutes. Once the line was depressured we air gapped upstream of the leak.
Detailed record list
Report Received Date
2017-04-26 00:00:00
Iyear
2017
Report Number
20170137
Supplemental Number
22969
Report Type
Supplemental Final
Operator Id
Name
Citgo Refining & Chemical Co. L.p.
Operator Street Address
1293 Eldridge Parkway
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77077
Local Datetime
2017-04-03 11:45:00
Location Latitude
Location Longitude
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
0.3
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
2017-04-03 11:45:00
System Part Involved
Onshore Pipeline, Including Valve Sites
On Off Shore
Onshore
Shutdown Due Accident Ind
Yes
Shutdown Datetime
2017-04-03 12:30:00
Restart Datetime
2017-04-05 01:09:00
On Site Datetime
2017-04-03 12:00:00
Nrc Rpt Datetime
2017-04-03 14:12:00
Nrc Rpt Num
Ignite Ind
No
Explode Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Num Pub Evacuated
0
Pipe Fac Name
P01 Propane Line
Segment Name
P01 Propane Line
Onshore State Abbreviation
Tx
Onshore Postal Code
78469
Onshore City Name
Corpus Christi
Onshore County Name
Nueces
Designated Location
Milepost/valve Station
Designated Name
North 2 South
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
40
Crossing
No
Pipe Facility Type
Intrastate
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
4.5
Pipe Wall Thickness
0.18
Pipe Smys
24000
Pipe Specification
Api 5l-X42
Pipe Seam Type
Seamless
Pipe Manufacturer
Unknown
Pipe Coating Type
Asphalt
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
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 Oper Paid
0
Est Cost Gas Released
10
Est Cost Prop Damage
6000
Est Cost Emergency
1000
Est Cost Environmental
5000
Est Cost Other
0
Prpty
12010
Accident Psig
70
Mop Psig
70
Accident Pressure
Pressure Did Not Exceed Mop
Pressure Restriction Ind
No
Length Segment Isolated
6864
Internal Inspection Ind
No
Unsuitable Mainline Ind
Yes
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
Id Restriction
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
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
Internal Corrosion
Internal External
Internal Corrosion
Int Visual Exam Results
General Corrosion
Int Water Acid Ind
Yes
Int Other Basis Ind
Yes
Int Corrosion Basis Details
This Portion Of The Line Had Not Been Used For A Long Time And Presumed To Be Internal Corrosion
Int Other Loc Ind
Yes
Corrosion Location Details
Standard Run Of Pipe
Corrosion Inhibitors
No
Corrosion Lining
No
Cleaning Dewatering
No
Corrosion Coupons
No
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
Yes
Hydrtst Most Rcnt Year
2016
Hydrtst Most Rcnt Pressure
890
Direct Asmnt Conducted
No
Non Destructive Exam Ind
Yes
Exm Handl Ultrasonic Rcnt Year
2011
Exm Handl Ultrasonic Rcnt Ind
Yes
Preparer Name
M****** M*****
Preparer Title
Terminal Area Supervisor
Preparer Email
M******@c****.com
Preparer Telephone
3618445256
Preparer Fax
3618444358
Prepared Date
2017-12-19 00:00:00
Authorizer Name
M****** M*****
Authorizer Telephone
3618445256
Authorizer Title
Terminal Area Supervisor
Authorizer Email
M******@c****.com
Narrative
On 11/4 at approximately 11:45 magellan called and said we had a potential leak on the p01 propane line that runs through their property. At the time of the incident the line was not in use but did have product. The pressure was estimated to be about 70 psig. The line was immediately blocked in where the line is connected to buckeye and the depressuring process was started to our flare gas recovery unit. The line was depressured in about 14 hrs and 25 minutes. Once the line was depressured we air gapped upstream of the leak.
Report Received Date 2017-04-26 00:00:00
Iyear 2017
Report Number 20170137
Supplemental Number 22969
Report Type Supplemental Final
Operator Id 31023 PHMSA Enforcement
Name Citgo Refining & Chemical Co. L.p.
Operator Street Address 1293 Eldridge Parkway
Operator City Name Houston
Operator State Abbreviation TX
Operator Postal Code 77077
Local Datetime 2017-04-03 11:45:00
Location Latitude 27.8078 Google Maps OpenStreetMap
Location Longitude -97.4385 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 0.3
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 2017-04-03 11:45:00
System Part Involved Onshore Pipeline, Including Valve Sites
On Off Shore Onshore
Shutdown Due Accident Ind Yes
Shutdown Datetime 2017-04-03 12:30:00
Restart Datetime 2017-04-05 01:09:00
On Site Datetime 2017-04-03 12:00:00
Nrc Rpt Datetime 2017-04-03 14:12:00
Nrc Rpt Num 1174743 NRC Report How to search
Ignite Ind No
Explode Ind No
Upstream Valve Type Ind Manual
Downstream Valve Type Ind Manual
Num Pub Evacuated 0
Pipe Fac Name P01 Propane Line
Segment Name P01 Propane Line
Onshore State Abbreviation Tx
Onshore Postal Code 78469
Onshore City Name Corpus Christi
Onshore County Name Nueces
Designated Location Milepost/valve Station
Designated Name North 2 South
Federal No
Location Type Pipeline Right-Of-Way
Incident Area Type Underground
Incident Area Subtype Under Soil
Depth Of Cover 40
Crossing No
Pipe Facility Type Intrastate
Item Involved Pipe
Pipe Type Pipe Body
Pipe Diameter 4.5
Pipe Wall Thickness 0.18
Pipe Smys 24000
Pipe Specification Api 5l-X42
Pipe Seam Type Seamless
Pipe Manufacturer Unknown
Pipe Coating Type Asphalt
Installation Year Unknown
Manufactured Year Unknown
Material Involved Carbon Steel
Release Type Leak
Leak Type Pinhole
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 Oper Paid 0
Est Cost Gas Released 10
Est Cost Prop Damage 6000
Est Cost Emergency 1000
Est Cost Environmental 5000
Est Cost Other 0
Prpty 12010
Accident Psig 70
Mop Psig 70
Accident Pressure Pressure Did Not Exceed Mop
Pressure Restriction Ind No
Length Segment Isolated 6864
Internal Inspection Ind No
Unsuitable Mainline Ind Yes
Operation Complications Ind Yes
Other Complications Ind Yes
Inspect Comp Details Id Restriction
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 No
Contractor Drug Test Ind No
Cause Corrosion Failure
Cause Details Internal Corrosion
Internal External Internal Corrosion
Int Visual Exam Results General Corrosion
Int Water Acid Ind Yes
Int Other Basis Ind Yes
Int Corrosion Basis Details This Portion Of The Line Had Not Been Used For A Long Time And Presumed To Be Internal Corrosion
Int Other Loc Ind Yes
Corrosion Location Details Standard Run Of Pipe
Corrosion Inhibitors No
Corrosion Lining No
Cleaning Dewatering No
Corrosion Coupons No
Collected Data Ind No
Has Hydrtst Conduc Before Ind Yes
Hydrtst Most Rcnt Year 2016
Hydrtst Most Rcnt Pressure 890
Direct Asmnt Conducted No
Non Destructive Exam Ind Yes
Exm Handl Ultrasonic Rcnt Year 2011
Exm Handl Ultrasonic Rcnt Ind Yes
Preparer Name M****** M*****
Preparer Title Terminal Area Supervisor
Preparer Email M******@c****.com
Preparer Telephone 3618445256
Preparer Fax 3618444358
Prepared Date 2017-12-19 00:00:00
Authorizer Name M****** M*****
Authorizer Telephone 3618445256
Authorizer Title Terminal Area Supervisor
Authorizer Email M******@c****.com
Narrative On 11/4 at approximately 11:45 magellan called and said we had a potential leak on the p01 propane line that runs through their property. At the time of the incident the line was not in use but did have product. The pressure was estimated to be about 70 psig. The line was immediately blocked in where the line is connected to buckeye and the depressuring process was started to our flare gas recovery unit. The line was depressured in about 14 hrs and 25 minutes. Once the line was depressured we air gapped upstream of the leak.

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