Repairs

The Hugoton (KS) Plant shut down for Thursday only to makeunplanned pipeline repairs. Northern Natural Gas said 35,000MMBtu/d at 13 receipt points was affected.

Repairs on an A-Line leak at the GPM/NNG Farnsworth receipt point(see Daily GPI, Feb. 7), affecting15,000 MMBtu/d, have been extended, Northern Natural Gas saidWednesday. The work, formerly expected to be completed Wednesday, nowlikely will last until Saturday, NNG said.

Due to unplanned repairs on the Sullivan City Line in SouthTexas, 10 meters upstream of valve 407D-102 will be out of servicefor the next seven to 10 days, Tennessee announced late Tuesdayafternoon.

NGPL said it has not yet completed repairs of a leak discoveredlast week on its offshore High Island Block 71 Lateral. Productionfrom three points (High Island 71, High Island 139 and High Island116) has been scheduled to zero since Friday.

Due to a compressor failure at its Riner Station, Williamsdeclared a force majeure situation on Line Segments 490 and 491.Necessary repairs are expected to be completed by next Monday’s gasday. Since capacity in the two segments has been reduced,maintenance originally scheduled for the week of Aug. 21 at theCheyenne and Ogallah Stations will be done this week to minimizedisruptions during August, Williams said.

Questar experienced a mechanical failure Thursday in Unit #7 atits Clay Basin storage facility. Barring unexpected complications,repairs should be complete by today and the unit available forservice again on Tuesday’s gas day, the pipeline said. Injectioncapacity has been reduced to 235,000 Dth/d during the outage.Allocation of injection capacity was expected to occur each day,with the impact determined by customer nominations. However, thereis no impact on withdrawal nominations, Questar said.

Sonat was unable to begin repairs Thursday as anticipated (seeDaily GPI, July 27) on a July 5 rupturein its offshore 14-inch Romere Pass Line. However, the work likelywill begin today and last 10-15 calendar days, which means the lineshould be back in service around Aug. 12 at the latest, a spokeswomansaid. An estimated 50-100 MMcf/d at five platform receipt points isbeing shut in by the outage.

Northern Natural Gas completed repairs and restored serviceWednesday after damage by a third party caused a force majeuresituation Tuesday on its East Leg. Line pressure was reduced andservice was curtailed temporarily downstream of Belleville(Lafayette County, WI).

Tennessee expects its 300 Line in northern Pennsylvania to returnto service today following completion of repairs to Sunday morning’srupture (see Daily GPI, Feb. 29). Unlessconditions change, the pipeline will accept intra-day Cycle 1nomination increases beginning at 5 p.m. CST for all meters downstreamof Main Line Valve 314.