Spinnaker Provides Gulf of Mexico Activity Update

Spinnaker currently has drilling, completion, evaluation, design and/or construction operations ongoing in fifteen field developments in the Gulf of Mexico.

Front Runner/Front Runner South/Quatrain (Green Canyon 338/339/382): The GC 338 #A-8 was drilled to a depth of 20,851 feet. The well encountered approximately 420 feet of true vertical depth (TVD) pay and has been cased for production. This completes the spar-site drilling activities in the field that were scheduled prior to facility start-up. The spar hull is now 90% complete. The topsides facility is approximately 40% complete. First production is anticipated in July 2004. Spinnaker holds a 25% WI in the project.

The West Cameron 72 #1 well has been completed and a caisson driven. First production is anticipated during the fourth quarter of 2003. Spinnaker owns a 25% WI and a 21% NRI in the project.

The Madaleine Field #1 well on High Island Block 47 has been completed and tested at a rate of 13 MMcfgd and 235 barrels of condensate per day (Bcpd). A caisson has been driven and a production facility installed. Flowline is currently being laid to a host platform. First production is anticipated by the fourth quarter of 2003. A second well was drilled to test a separate fault block and was unsuccessful. Two additional prospects remain untested on the block. Spinnaker operates the field with a 67% WI and a 56% NRI.

The Galveston 352 #2 has been completed and a caisson driven. A flowline has been laid to the partnership's GA 352 "A" platform. Installation of a caisson deck is expected to occur in August and first production is anticipated during September 2003. Spinnaker owns a 33% WI and a 28% NRI in the field.

The Brazos A17 field was discovered in May 2003 and was suspended at the mud line. A 48-inch caisson was partially driven when evacuation became necessary due to Hurricane Claudette. The storm overturned the caisson in place and remediation of the damage has been ongoing since. Most of the estimated $1.5 million in storm-related damage should be recoverable under the Company's insurance policies. First production is still anticipated on or before November 1, 2003. Spinnaker owns a 100% WI and 83% NRI in the field.

The Sangria Field #1 well on Green Canyon Block 177 has experienced a subsea pipeline obstruction. A remedial intervention will be performed to remove the obstruction, most probably hydrate or wax buildup, and should commence within two weeks. The estimated one-time cost of $2.5 million is included in third quarter LOE guidance. Spinnaker owns 100% WI and 75% NRI in the Sangria Field.

Three wells have now been drilled from a common platform site in East Cameron Block 312. Two wells were gas productive (EC 312 #1 and #3) and one well was oil productive (EC 312 #2). All wells have been temporarily abandoned. A tripod is under construction and flowlines planned. First production is anticipated to occur in the fourth quarter of 2003. Spinnaker owns a 100% WI and 83% NRI in the block.

At Eugene Island 343/344 oil and gas have been discovered in multiple Pleistocene-aged pays in the Eugene Island 344 #1 well. A total of 238 feet of TVD pay was encountered to a depth of 12,865 feet in the well. The new field lies approximately 100 miles southwest of Fourchon, Louisiana and is situated in 285 feet of water. Engineering is underway on the design of a tripod facility and additional, probable drilling locations are being further evaluated. First production is expected in late first quarter 2004. Spinnaker owns a 100% WI and 78% NRI in the field.

Initial production commenced from the Mississippi Canyon 496 #1 on the Zia Field in late June 2003. The well has thus far performed very well and sustained rates of 7,300+ Boepd during the ramp-up before being shut-in due to problems with a production choke at the wellhead. Diagnostics and repair are underway. Spinnaker owns a 35% WI and 30% NRI in this deepwater subsea tie-back.

At the Grasshopper Field on Grand Isle Block 52 a drilling rig has moved on location to drill the GI 52 #L-12 well. The well will test a fault block adjacent to the producing field from which the GI 52 #L-8 and #L-10 wells currently produce. The wells currently produce in excess of 6,000 Boepd with numerous behind-pipe productive sands. Spinnaker owns a 50% WI and a 43% NRI in the field.

On Ship Shoal Block 301 a total of 40 feet of TVD pay was found in two sands in this well. The well was recently drilled to a depth of 8,373 feet (5,534 feet TVD) from an existing platform. The well has been placed on production and is in the ramp-up phase. The Ship Shoal 301 #A-4 was tested at a rate of approximately 500 Bopd and 300 Mcfgd. Spinnaker owns a 33% WI and 25% NRI in the well.
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