Incident details
Operator, cause, commodity and consequences with raw source fields.
GTG incident on 2014-12-03 — OK
Operator
Williams Energy, Llc
Cause
Other Outside Force Damage
Commodity
Natural Gas
Program
GTG
Damage and Injuries
0 fatalities
0 injuries
Property damage (nominal)
$2,733,406
Incident datetime
2014-12-03 15:00
Report number
Location
OK
Narrative
A dive company was setting mats to cover and protect a newly installed valve assembly on the discovery 18 inch pipeline at a depth of 230 feet. An unexpected current caused the mat to catch on the 2 inch by-pass line which damaged the piping and caused the release. The line was quickly isolated and repaired. The diver was not injured and there was no other damage as a result of this incident. There was no sheen reported on the water. Additional nrc notification was made by williams at the same time witt o'brien's was making notification. Williams number is 1102550.
Detailed record list
Report Received Date
2014-12-15 00:00:00
Iyear
2014
Report Number
20140136
Supplemental Number
16771
Report Type
Supplemental Final
Operator Id
30940
Name
Williams Energy, Llc
Operator Street Address
One Williams Center P.o. Box 645
Operator City Name
Tulsa
Operator State Abbreviation
OK
Operator Postal Code
74172
Local Datetime
2014-12-03 15:00:00
Location Latitude
28.3614
Location Longitude
-90.1975
Nrc Rpt Num
1102545
Nrc Rpt Datetime
2014-12-03 15:14:00
Commodity Released Type
Natural Gas
Unintentional Release
11000
Intentional Release
0
Accompanying Liquid
0
Fatality Ind
No
Fatal
0
Injury Ind
No
Injure
0
Shutdown Due Accident Ind
No
Shutdown Explain
Able To Isolate The Bypass
Ignite Ind
No
Explode Ind
No
Num Pub Evacuated
0
Incident Identified Datetime
2014-12-03 15:00:00
On Site Datetime
2014-12-03 15:00:00
On Off Shore
Offshore
Off Water Depth
220
Off Accident Origin
On The Outer Continental Shelf (Ocs)
Off Ocs Area
South Timbalier
Off Ocs Block
231
Off Area Accident Type
Below Water, Pipe On Or Above Seabed
Pipe Facility Type
Interstate
System Part Involved
Offshore Pipeline, Including Riser And Riser Bend
Item Involved
Drain Lines
Installation Year
1997
Material Involved
Carbon Steel
Release Type
Leak
Leak Type
Other
Leak Type Other
Broken Piping On Bypass Valve
Class Location Type
Class 1 Location
Could Be Hca
No
Pir Radius
660
Heat Damage Ind
No
Non Heat Damage Ind
No
Hca Fatalities Ind
No
Est Cost Oper Paid
0
Est Cost Unintentional Release
42500
Est Cost Intentional Release
0
Est Cost Prop Damage
2733406
Est Cost Emergency
0
Est Cost Other
0
Prpty
2775906
Accident Psig
700
Mop Psig
1850
Mop Cfr Section
192.619(A)(1)
Accident Pressure
Pressure Did Not Exceed Maop
Pressure Restriction Ind
No
Upstream Valve Type Ind
Manual
Downstream Valve Type Ind
Manual
Internal Inspection Ind
Yes
Operation Complications Ind
Yes
Other Complications Ind
Yes
Inspect Comp Details
Sub-Sea Connection
Pipeline Function
Offshore Gathering
Scada In Place Ind
Yes
Scada Operating Ind
Yes
Scada Functional Ind
Yes
Scada Detection Ind
Yes
Scada Conf Ind
Yes
Accident Identifier
Notification From Third Party That Caused The Incident
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
Contractor broke valve assembly while setting mats.
Employee Drug Test Ind
No
Contractor Drug Test Ind
No
Cause
Other Outside Force Damage
Cause Details
Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident
Outside Force Type
Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident
Preparer Name
S**** F******
Preparer Title
Pipeline Safety Engineer
Preparer Email
S************@w*******.com
Preparer Telephone
713-215-3051
Authorizer Name
S**** F******
Authorizer Title
Pipeline Safety Engineer
Authorizer Telephone
713-215-3051
Authorizer Email
S************@w*******.com
Narrative
A dive company was setting mats to cover and protect a newly installed valve assembly on the discovery 18 inch pipeline at a depth of 230 feet. An unexpected current caused the mat to catch on the 2 inch by-pass line which damaged the piping and caused the release. The line was quickly isolated and repaired. The diver was not injured and there was no other damage as a result of this incident. There was no sheen reported on the water. Additional nrc notification was made by williams at the same time witt o'brien's was making notification. Williams number is 1102550.
| Report Received Date | 2014-12-15 00:00:00 |
|---|---|
| Iyear | 2014 |
| Report Number | 20140136 |
| Supplemental Number | 16771 |
| Report Type | Supplemental Final |
| Operator Id | 30940 PHMSA Enforcement |
| Name | Williams Energy, Llc |
| Operator Street Address | One Williams Center P.o. Box 645 |
| Operator City Name | Tulsa |
| Operator State Abbreviation | OK |
| Operator Postal Code | 74172 |
| Local Datetime | 2014-12-03 15:00:00 |
| Location Latitude | 28.3614 Google Maps OpenStreetMap |
| Location Longitude | -90.1975 Google Maps OpenStreetMap |
| Nrc Rpt Num | 1102545 NRC Report How to search |
| Nrc Rpt Datetime | 2014-12-03 15:14:00 |
| Commodity Released Type | Natural Gas |
| Unintentional Release | 11000 |
| Intentional Release | 0 |
| Accompanying Liquid | 0 |
| Fatality Ind | No |
| Fatal | 0 |
| Injury Ind | No |
| Injure | 0 |
| Shutdown Due Accident Ind | No |
| Shutdown Explain | Able To Isolate The Bypass |
| Ignite Ind | No |
| Explode Ind | No |
| Num Pub Evacuated | 0 |
| Incident Identified Datetime | 2014-12-03 15:00:00 |
| On Site Datetime | 2014-12-03 15:00:00 |
| On Off Shore | Offshore |
| Off Water Depth | 220 |
| Off Accident Origin | On The Outer Continental Shelf (Ocs) |
| Off Ocs Area | South Timbalier |
| Off Ocs Block | 231 |
| Off Area Accident Type | Below Water, Pipe On Or Above Seabed |
| Pipe Facility Type | Interstate |
| System Part Involved | Offshore Pipeline, Including Riser And Riser Bend |
| Item Involved | Drain Lines |
| Installation Year | 1997 |
| Material Involved | Carbon Steel |
| Release Type | Leak |
| Leak Type | Other |
| Leak Type Other | Broken Piping On Bypass Valve |
| Class Location Type | Class 1 Location |
| Could Be Hca | No |
| Pir Radius | 660 |
| Heat Damage Ind | No |
| Non Heat Damage Ind | No |
| Hca Fatalities Ind | No |
| Est Cost Oper Paid | 0 |
| Est Cost Unintentional Release | 42500 |
| Est Cost Intentional Release | 0 |
| Est Cost Prop Damage | 2733406 |
| Est Cost Emergency | 0 |
| Est Cost Other | 0 |
| Prpty | 2775906 |
| Accident Psig | 700 |
| Mop Psig | 1850 |
| Mop Cfr Section | 192.619(A)(1) View CFR 49 §192 |
| Accident Pressure | Pressure Did Not Exceed Maop |
| Pressure Restriction Ind | No |
| Upstream Valve Type Ind | Manual |
| Downstream Valve Type Ind | Manual |
| Internal Inspection Ind | Yes |
| Operation Complications Ind | Yes |
| Other Complications Ind | Yes |
| Inspect Comp Details | Sub-Sea Connection |
| Pipeline Function | Offshore Gathering |
| Scada In Place Ind | Yes |
| Scada Operating Ind | Yes |
| Scada Functional Ind | Yes |
| Scada Detection Ind | Yes |
| Scada Conf Ind | Yes |
| Accident Identifier | Notification From Third Party That Caused The Incident |
| 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 | Contractor broke valve assembly while setting mats. |
| Employee Drug Test Ind | No |
| Contractor Drug Test Ind | No |
| Cause | Other Outside Force Damage |
| Cause Details | Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident |
| Outside Force Type | Nearby Industrial, Man-Made, Or Other Fire/explosion As Primary Cause Of Incident |
| Preparer Name | S**** F****** |
| Preparer Title | Pipeline Safety Engineer |
| Preparer Email | S************@w*******.com |
| Preparer Telephone | 713-215-3051 |
| Authorizer Name | S**** F****** |
| Authorizer Title | Pipeline Safety Engineer |
| Authorizer Telephone | 713-215-3051 |
| Authorizer Email | S************@w*******.com |
| Narrative | A dive company was setting mats to cover and protect a newly installed valve assembly on the discovery 18 inch pipeline at a depth of 230 feet. An unexpected current caused the mat to catch on the 2 inch by-pass line which damaged the piping and caused the release. The line was quickly isolated and repaired. The diver was not injured and there was no other damage as a result of this incident. There was no sheen reported on the water. Additional nrc notification was made by williams at the same time witt o'brien's was making notification. Williams number is 1102550. |
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