Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2023-11-17 — TX
Operator
Hilcorp Energy Company
Cause
Corrosion Failure
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$15,000
Incident datetime
2023-11-17 00:00 UTC
Report number
Location
TX
Narrative
Operations observed drop in discharge pressure on production compressor supplying the lobo pipeline system on 10/20/2023. Team started investigating possible cause for pressure drop. Leak was found 10/24/2023 at 1:11pm by eric t.
Detailed record list
Report Received Date
2023-11-17 00:00:00
Iyear
2023
Report Number
20230107
Supplemental Number
39049
Report Type
Supplemental Final
Operator Id
30711
Name
Hilcorp Energy Company
Operator Street Address
1111 Travis Street
Operator City Name
Houston
Operator State Abbreviation
TX
Operator Postal Code
77002
Time Zone
Central
Daylight Savings Ind
No
Location Latitude
27.1010992
Location Longitude
-99.1525313
Nrc Rpt Num
1382566
Additional Nrc Report Numbers
1382704
Commodity Released Type
Natural Gas
Unintentional Release
5675
Intentional Release
160.7
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Status When Identified
Normal Operation, Includes Pauses During Maintenance
Shutdown Due Accident Ind
Yes
Communication State Fed Ind
No
Ignite Ind
No
Upstream Action Taken
Valve Closure
Downstream Action Taken
Valve Closure
Num Pub Evacuated
0
On Off Shore
Onshore
Onshore State Abbreviation
Tx
Onshore Postal Code
78361
Onshore City Name
Not Within A Municipality
Onshore County Name
Zapata
Designated Location
Not Applicable
Pipe Fac Name
Jennings A Discharge Line
Segment Name
Jec-Pl1026
Federal
No
Location Type
Pipeline Right-Of-Way
Incident Area Type
Underground
Incident Area Subtype
Under Soil
Depth Of Cover
36
Other Underground Facilities
No
Crossing
No
Pipe Facility Type
Intrastate
System Part Involved
Onshore Pipeline, Including Valve Sites
Item Involved
Pipe
Pipe Type
Pipe Body
Pipe Diameter
8.625
Puddle Weld Ind
No
Pipe Wall Thickness
0.322
Pipe Smys
24000
Pipe Specification
Unknown
Pipe Seam Type
Longitudinal Erw - Unknown Frequency
Pipe Manufacturer
Unknown
Pipe Coating Type
Coal Tar
Coating Applied Ind
Unknown
Installation Year
Unknown
Manufactured Year
Unknown
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Pinhole
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
226
Heat Damage Ind
No
Non Heat Damage Ind
No
Did Occur In Mca Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
16912
Est Cost Intentional Release
479
Est Cost Prop Damage
15000
Est Cost Emergency
0
Est Cost Other
0
Gas Cost In Mcf
2.98
Prpty
32391
Num Persons Hosp Not Ovnght
0
Num Injured Treated By Emt
0
Num Resident Building Affctd
0
Num Business Building Affctd
0
Wildlife Impact Ind
No
Accident Psig
630
Gas Flow In Pipe In Mcf
2000
Mop Psig
1200
Mop Cfr Section
Other
Mop Cfr Section Details
192.9(F)(1)(Ii)
Maop Established Date
2022-11-16 00:00:00
Maop Reversal Flow Ind
No
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Gas Required Odorized Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Length Segment Isolated
5871
Internal Inspection Ind
No
Tight Mitered Ind
Yes
Operation Complications Ind
No
Pipeline Function
Type C Gathering
Scada In Place Ind
No
Accident Identifier
Local Operating Personnel, Including Contractors
Operator Type
Operator Employee
Investigation Status
Yes, specify investigation result(s): (select all that apply)
Invest No Control Room Ind
Yes
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Corrosion Failure
Cause Details
External Corrosion
Internal External
External Corrosion
Visual Exam Results
Localized Pitting
Galvanic Corrosion Ind
Yes
Field Exam Basis Ind
Yes
Underground Location
Yes
Under Cathodic Protection Ind
Yes
Cathodic Pro Start Year
2013
Shielding Evident
Yes
Cathodic Survey Type
Yes
Other Cp Survey Ind
Yes
Other Cp Survey Details
Cp Reading Taken During Incident Investigation
Other Cp Survey Year
2023
Prior Damage
Yes
Collected Data Ind
No
Has Hydrtst Conduc Before Ind
No
Direct Asmnt Conducted
No
Non Destructive Exam Ind
No
Preparer Name
S***** L******
Preparer Title
Pipeline Compliance Specialist
Preparer Email
S*******@h******.com
Preparer Telephone
5053608163
Local Contact Name
E*** T*******
Local Contact Email
E********@h******.com
Local Contact Telephone
9562857752
Authorizer Name
S***** L******
Authorizer Title
Pipeline Compliance Specialist
Authorizer Telephone
5053608163
Authorizer Email
S*******@h******.com
Narrative
Operations observed drop in discharge pressure on production compressor supplying the lobo pipeline system on 10/20/2023. Team started investigating possible cause for pressure drop. Leak was found 10/24/2023 at 1:11pm by eric t.
| Report Received Date | 2023-11-17 00:00:00 |
|---|---|
| Iyear | 2023 |
| Report Number | 20230107 |
| Supplemental Number | 39049 |
| Report Type | Supplemental Final |
| Operator Id | 30711 PHMSA Enforcement |
| Name | Hilcorp Energy Company |
| Operator Street Address | 1111 Travis Street |
| Operator City Name | Houston |
| Operator State Abbreviation | TX |
| Operator Postal Code | 77002 |
| Time Zone | Central |
| Daylight Savings Ind | No |
| Location Latitude | 27.1010992 Google Maps OpenStreetMap |
| Location Longitude | -99.1525313 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1382566 NRC Report How to search |
| Additional Nrc Report Numbers | 1382704 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 5675 |
| Intentional Release | 160.7 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Status When Identified | Normal Operation, Includes Pauses During Maintenance |
| Shutdown Due Accident Ind | Yes |
| Communication State Fed Ind | No |
| Ignite Ind | No |
| Upstream Action Taken | Valve Closure |
| Downstream Action Taken | Valve Closure |
| Num Pub Evacuated | 0 |
| On Off Shore | Onshore |
| Onshore State Abbreviation | Tx |
| Onshore Postal Code | 78361 |
| Onshore City Name | Not Within A Municipality |
| Onshore County Name | Zapata |
| Designated Location | Not Applicable |
| Pipe Fac Name | Jennings A Discharge Line |
| Segment Name | Jec-Pl1026 |
| Federal | No |
| Location Type | Pipeline Right-Of-Way |
| Incident Area Type | Underground |
| Incident Area Subtype | Under Soil |
| Depth Of Cover | 36 |
| Other Underground Facilities | No |
| Crossing | No |
| Pipe Facility Type | Intrastate |
| System Part Involved | Onshore Pipeline, Including Valve Sites |
| Item Involved | Pipe |
| Pipe Type | Pipe Body |
| Pipe Diameter | 8.625 |
| Puddle Weld Ind | No |
| Pipe Wall Thickness | 0.322 |
| Pipe Smys | 24000 |
| Pipe Specification | Unknown |
| Pipe Seam Type | Longitudinal Erw - Unknown Frequency |
| Pipe Manufacturer | Unknown |
| Pipe Coating Type | Coal Tar |
| Coating Applied Ind | Unknown |
| Installation Year | Unknown |
| Manufactured Year | Unknown |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Pinhole |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 226 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Did Occur In Mca Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 16912 |
| Est Cost Intentional Release | 479 |
| Est Cost Prop Damage | 15000 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Gas Cost In Mcf | 2.98 |
| Prpty | 32391 |
| Num Persons Hosp Not Ovnght | 0 |
| Num Injured Treated By Emt | 0 |
| Num Resident Building Affctd | 0 |
| Num Business Building Affctd | 0 |
| Wildlife Impact Ind | No |
| Accident Psig | 630 |
| Gas Flow In Pipe In Mcf | 2000 |
| Mop Psig | 1200 |
| Mop Cfr Section | Other View CFR 49 §192 |
| Mop Cfr Section Details | 192.9(F)(1)(Ii) |
| Maop Established Date | 2022-11-16 00:00:00 |
| Maop Reversal Flow Ind | No |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Gas Required Odorized Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Length Segment Isolated | 5871 |
| Internal Inspection Ind | No |
| Tight Mitered Ind | Yes |
| Operation Complications Ind | No |
| Pipeline Function | Type C Gathering |
| Scada In Place Ind | No |
| Accident Identifier | Local Operating Personnel, Including Contractors |
| Operator Type | Operator Employee |
| Investigation Status | Yes, specify investigation result(s): (select all that apply) |
| Invest No Control Room Ind | Yes |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Corrosion Failure |
| Cause Details | External Corrosion |
| Internal External | External Corrosion |
| Visual Exam Results | Localized Pitting |
| Galvanic Corrosion Ind | Yes |
| Field Exam Basis Ind | Yes |
| Underground Location | Yes |
| Under Cathodic Protection Ind | Yes |
| Cathodic Pro Start Year | 2013 |
| Shielding Evident | Yes |
| Cathodic Survey Type | Yes |
| Other Cp Survey Ind | Yes |
| Other Cp Survey Details | Cp Reading Taken During Incident Investigation |
| Other Cp Survey Year | 2023 |
| Prior Damage | Yes |
| Collected Data Ind | No |
| Has Hydrtst Conduc Before Ind | No |
| Direct Asmnt Conducted | No |
| Non Destructive Exam Ind | No |
| Preparer Name | S***** L****** |
| Preparer Title | Pipeline Compliance Specialist |
| Preparer Email | S*******@h******.com |
| Preparer Telephone | 5053608163 |
| Local Contact Name | E*** T******* |
| Local Contact Email | E********@h******.com |
| Local Contact Telephone | 9562857752 |
| Authorizer Name | S***** L****** |
| Authorizer Title | Pipeline Compliance Specialist |
| Authorizer Telephone | 5053608163 |
| Authorizer Email | S*******@h******.com |
| Narrative | Operations observed drop in discharge pressure on production compressor supplying the lobo pipeline system on 10/20/2023. Team started investigating possible cause for pressure drop. Leak was found 10/24/2023 at 1:11pm by eric t. |
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