Columbia Gas Transmission (TCO) Columbia Gulf Transmission (CGT) Crossroads Pipeline (XRD) Central Kentucky Transmission (CKT) Hardy Storage Company (HRD)
After reaching 80 percent, TETCO must receive written permission for each line before increasing to final normal operating pressure.
On July 20, a six-month-old, 30-inch natural gas pipeline exploded near Gillette, Wyoming, creating a 60-foot (18 m) crater. There is a chance that TETCO is required to operate at reduced pressure after the repairs are completed.
First of all, there are parallel lines adjacent to the ruptured one that may be able to come back into service soon. Eric Fell Bridgeline is an intrastate natural gas pipeline company providing transportation and storage services to South Louisiana’s industrial, power and utility marketplace.
Algonquin Gas Transmission, LLC https://link.spectraenergy.com: Informational Postings https://infopost.spectraenergy.com/infopost/default.asp?pipe=AG
Construction or installation issues caused the failure.
There was no fire, nor any injuries. Second: similar events on other pipelines in the US and Canada have taken just a few days to repair.
Energy Transfer operates the pipeline that exploded on June 14, 2015.
Along with Genscape's unparalleled analyst support and insight, Genscape's Natural Gas Real-Time (RT) service provides the most comprehensive view of public data. Informational Postings Offshore pipelines are 100 percent owned by Enbridge and its affiliates except where less than full ownership is indicated. With 8,835 miles of pipeline, Texas Eastern Transmission connects Texas and the Gulf Coast with high demand markets in the northeastern United States, supplying fuel for electric generation facilities and helping to meet peak-day demands.
The explosion occurred on one of its 30” lines near Salem Township in Westmoreland County, PA, about 40 miles east of Pittsburgh. Flows east of the merge point of the northern and southern lines are also unaffected.
Flows east of Perulack – where TETCO’s Leidy Line connects to the Penn-Jersey northern line – are also down, though less so. The southern line has more production tied into it. The source of truth and insight for global energy markets. TETCO must expose the ruptured line for at least two girth welds on either side of the ruptured site to examine for corrosion, coating condition or other damage.
Flows through Delmont were shut off immediately after and averaged 1.07 Bcf/d in the five days prior (including a peak of 1.36 Bcf/d on gas day April 27).
Nobody was hurt in the blast, but 16 people were evacuated. Liquids Pipelines and Storage Impacts of TETCO's Natural Gas Pipeline Explosion.
TETCO quickly posted notice April 29 that two production meters would have to be shut in.
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The initial impact on flows is significant (see Genscape's Natural Gas Real-Time (RT) TETCO flow map below). Flows beginning at the Delmont compressor (the western boundary of the M3 zone) have been cut to zero, and the flow impacts radiate eastward from Delmont. On April 28, just prior to the explosion, flows through Delmont were around 1.3 BCF/D relative to 2.6 BCF of capacity (~50 percent utilization).
The pattern of corrosion suggests a possible flaw in the coating material applied to the girth weld joints following construction welding procedures at the time.
Genscape collects notices from over 200 pipelines that are fed into the platform within minutes of their availability on the pipeline websites.
A 46-page report on the explosion obtained by Marfa Public Radio says the pipeline ruptured because of an “excessive bending load” – essentially too much tension on part of the line – which led to a crack that started at the weld and moved from the bottom up. believes repairs are likely to take between 5-15 days, but clearly it could take longer, Genscape's Natural Gas Real-Time (RT) TETCO flow map, Genscape has reason to believe it will not be more than a week or two, A 46-page report on the explosion obtained by Marfa Public Radio, Corrosion has been the cause of many of the 77 explosions involving gas infrastructure, Genscape's Natural Gas Real-Time (RT) service, Click here to learn more or request a free trial of Genscape's Natural Gas RT service, Genscape’s Natural Gas Notices & Maintenance portal, Click here to learn more or request a free trial, On-Demand Webinar: North American LNG Winter Outlook 2020, Report: Hurricane Laura Impacts U.S. Gas and Oil Production. this computer system is restricted to enbridge inc.'s authorized users for transmission business. Genscape does not know if a pressure reduction will be required. Additional online support can be found on the tutorial page. If damage is discovered then more pipe must be exposed until at least 10 feet of undamaged pipe is exposed and examined.
Genscape’s Natural Gas Notices & Maintenance portal consolidates hundreds of maintenance and notice events from electronic bulletin boards (EBBs) to help natural gas traders streamline their daily processes and stay informed of unavoidable events impacting the market.
While there has not been confirmation the other lines have been damaged, TETCO has shut them down as a precautionary measure.
1-2 weeks to repair the line(s) from the initial event is our best guess.
There are six major power consumers captive to the system that collectively had been consuming roughly 550 MMcf/d. On Monday, May 2, TETCO M3 Deliveries cash basis closed near a three-week high at ($0.25), up from last Thursday’s ($0.62), while TETCO M3 Receipts dropped $0.02.
That is being used to increase flows through the Bedford compressor, where flows are up into the 200 MMcf/d range after running around 155 MMcf/d last week. All compressors east of Delmont and west of Perulack registered similar declines.
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In January, the REX pipeline ruptured; flows were restored within about 12 days. The amount of time it takes to repair a large diameter pipeline ruptures are usually a matter of days (not weeks). Algonquin Citygate picked up $0.21 from Thursday’s close to finish Monday at $0.64.
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