TSP: 872670161
TSP Name: ENABLE GAS TRANSMISSION, LLC
Critical Notice Description: Critical notice
Notice Effective Date: 04/18/2022
Notice Effective Time: 09:00
Notice End Date: 04/22/2022
Notice End Time: 08:59
Notice Identifier: 4854
Notice Status Description: Initiate
Notice Type: Maintenance
Posting Date/Time: 03/31/2022 13:11
Required Response Indicator Description: No response required
Response Date:
Response Time:
Subject: LINE AD PIG RUNS
Notice Text:
This Operational Alert is being issued pursuant to Section 20, GT&C, of EGT s Tariff to notify its shippers of upcoming planned cleaning pig maintenance on its Line AD System located in EGT s West 1, West 2, and Flex pooling area as
part of EGT s integrity management plan.
In order to ensure safe and efficient pigging operations, EGT will be taking the following actions between April 18th and April 21st, 2022:
* Reduce the balancing tolerance from 1,000 dth to 500 dth.
* EGT will be locking all nominations west of EGT s Chandler Compressor Station during the evening cycle of each impacted day
* EGT will balance receipt and delivery quantities during the Timely Cycle.
The following is a day-to-day breakdown on the impacts of each leg of the cleaning pig run.
April 18th, 2022 - Line AD - Sayre to Arapaho
The maximum capacity through EGT s Custer Compressor Station will be limited to approximately 245,000 dth.
Due to operational requirements at the beginning of Line AD in order to launch and maintain proper pig speed, the following meters will be prioritized and scheduled up to 125,000 dth:
* Oneok Westex (MP# 805222)
* Midcoast IC 8 IN (MP# 301999)
Impacted points include, but are not limited to, the following meters which may be scheduled between approximately 55% and 62% of MRO quantity:
* Markwest Arapaho (MP# 810010)
* Markwest Buffalo Creek (MP# 730040)
* TransOK Naggs (MP# 2086)
* OneOK Panther Creek (MP# 2078)
* EGG McClure (MP# 301104)
Furthermore, additional reductions may be made downstream of EGT s Custer Compressor Station and west of EGT s Byars Lake Compressor Station due to capacity constraint with a maximum capacity of approximately 650,000 dth through Bya
rs Lake.
Impacted points between Custer Compressor Station and West of EGT s Byars Lake Compressor Station include, but are not limited to, the following meters which may be scheduled to approximately 90% of MRO quantity:
* EOIT Caddo (MP# 302015)
* Blue Mountain IC (MP# 290564)
* EOIT L760 to Line AD (MP# 290575)
* Iron Horse Rec (MP# 290209)
* Bradley Plant IC (MP# 808775)
* WEX IC (MP# 303077)
April 19th, 2022 - Line AD Arapaho to Amber Compressor Station
During this leg of the pig run, the maximum capacity through EGT s Custer Compressor Station will be limited to approximately 130,000 dth in order to launch and maintain proper speed pig.
Per EGT s Critical Notice #4852 Nominations will not be accepted at the OneOk Westex Summary Meter (#805222)
Additional Impacted points include, but are not limited to the following meters which may be scheduled between approximately 55% and 62% of MRO quantity:
* Midcoast IC 8 IN (MP# 301999)
* Markwest Arapaho (MP# 810010)
* EGG McClure (MP# 301104)
* Markwest Buffalo Creek (MP# 730040)
* TransOK Naggs (MP# 2086)
* OneOK Panther Creek (MP# 2078)
Furthermore, EGT s Byars Lake Compressor Station will have capacity constraint with a maximum capacity of approximately 650,000 dth. EGT does not anticipate impacts to its primary firm services between EGT s Custer Compressor Statio
n and EGT s Byars Lake Compressor Station. However, unforeseen issues, including, but not limited to, nominations, weather conditions, storage needs, etc., may result in scheduling reductions.
April 20th, 2022 - Line AD Amber Compressor Station to ADA Storage Facility
Per EGT s Critical Notice #4852 Nominations will not be accepted at the OneOk Westex Summary Meter (#805222)
During this leg of the pig run, the maximum capacity through EGT s Amber Compressor Station will be 360,000 dth. All receipt points west of the Amber Compressor Station will be subject to reductions and may be scheduled between appr
oximately 89% and 96% of MRO quantity.
Furthermore, all points between EGT s Amber Compressor Station and EGT s Byars Lake Compressor Station will be subject to reductions due to a capacity constraint of approximately 650,000 dth through EGT s Byars Lake Compressor Stati
on. Impacted points include, but are not limited to, the following meters which may be scheduled between approximately 89% and 96% of MRO quantity:
* Wex IC (MP# 303077)
* Iron Horse (MP# 290940)
* Bradley Plant IC (MP# 808775)
* EOIT 760 to AD (MP# 2905)
April 21st, 2022 - Line AD - ADA Storage Facility to Chandler Compressor Station
All meters west of EGT s Byars Lake Compressor Station will be limited to approximately 650,000 Dth in the aggregate.
Per EGT s Critical Notice #4852 Nominations will not be accepted at the OneOk Westex Summary Meter (#805222)
Based on current nominations, EGT anticipates impacts to all its services, including primary firm, which may be scheduled between approximately 89% and 96% of MRO quantity.
During the dates of the pig runs, shippers whose receipts are in the West 1, West 2 and Flex Pooling areas should nominate point to point from their primary receipt point to maintain the highest priority level of service. During thi
s maintenance, shippers should maintain actual receipts and deliveries commensurate with scheduled volumes. EGT will continue to monitor the pipeline s pressure and imbalances and will, if necessary, take further actions including t
he issuance of one or more Operational Flow Orders (OFO). Shippers whose receipts exceed their applicable scheduled volumes may be subject to additional fees, charges and/or penalties including, but not limited to, Excess Contract
Quantities charges pursuant to EGT s Tariff.
The volumes required to achieve an optimal pig speed may vary based on the operating conditions on the day of the run. Should the details of this notice change, EGT will notify its shippers by updating this posting. EGT will sched
ule nominations to the available capacity on each impacted day in accordance with its Tariff.
If you have any questions concerning this alert, please contact your Scheduling Representative.
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