Linepack

El Paso extended through at least Thursday an UnauthorizedOverpull Penalty alert it had declared Wednesday afternoon due tolow linepack. Overpulls on the South Mainline prompted El Paso topostpone the annual maintenance shutdown of its Keystone MainlineStation (Winkler County, TX), which had previously been scheduledto start today in conjunction with smart pigging of the downstreamLine 1103, until Saturday. The work will last through Monday andcause the shut-in of 400 MMcf/d at 37 receipt points in thevicinity.

A System Overrun Limitation is in effect today for all NorthernNatural Gas market area zones.

El Paso reported Friday its system integrity was threatened byhigh linepack and it was making maximum injections at theWashington Ranch storage facility. The pipeline said it had imposedcustody limits at delivery points that are not taking scheduledquantities, and if necessary will limit overdeliveries at receiptpoints.

El Paso canceled an Unauthorized Overpull Penalty situation Tuesdayafter linepack was stabilized. The OFO had been declared Sunday (seeDaily GPI, Jan. 30).

Northern Natural Gas did not extend a System Overrun Limitationfor all market areas beyond Friday.

Projecting linepack falling beneath its minimum target levelsthrough Friday, Pacific Gas & Electric issued acustomer-specific OFO for today.

Projecting that linepack would slip below its minimum targetlevel through Thursday, Pacific Gas & Electric issued asystemwide Stage 3 OFO, effective today until further notice. Theorder carries penalties of $5/Dth for negative daily imbalancesexceeding a 3% tolerance.

Anticipating linepack that would exceed its upper-level target,Pacific Gas & Electric issued a customer-specific OFO fortoday.

Saying linepack was stabilized, El Paso canceled Thursday anUnauthorized Overpull Penalty situation that had been implementedTuesday.