Mad Dog Spar

Mad Dog Spar is a floating platform that has been producing oil and gas since 2005, at a development cost of $1.5 billion. It is located at Green Canyon 782 in 4,326 feet of water, 100 miles south of Grand Isle, Louisiana. Operated by BP (60.5 percent), and co-owned by BHP Billiton (23.9 percent) and Chevron (15.6 percent), the spar (like most) has a large hollow vertical cylinder that bears the equipment and topside structures, which weigh 8,620 tons. Most of the structure is below the water surface to provide stability. It employs the first polyester mooring system ever used on a truss spar.

The facility can process 80,000 barrels of oil and 60 million cubic feet of gas daily. Oil is transported to the Caesar oil pipeline, while gas is delivered via the Cleopatra system. After an appraisal in 2009, the estimated resources at the site more than doubled, providing BP with a drive to evaluate how to proceed with Phase 2 of the project.

Designed to operate for 35 years, the facility can generate 17 megawatts of power. Its crew quarters accommodate 150 people, and the helideck can accommodate an S-92 helicopter. The drilling rig derrick dynamic load is 1,500,000 pounds. The rig’s 21,000 short ton hull is 128 feet in diameter and has a spar length of 550 feet.

Incidents

December 2009: About 50 barrels of oil spilled into the moon pool center well, causing a water pollution event. Fire crews were on watch, but there were no injuries. Oil had entered the caisson because of a faulty check valve, which was repaired and double isolated using manual block valves.

July 2005: A 23,000-pound telescopic joint fell 25 feet from the drill floor onto the blowout preventer stack. It had been rated for 100,000 pounds. The equipment is held up by four screws, attached to a slip joint, which had sheared off. Although there was damage, there were no injuries or loss of production.

September 2003: A fire started and enveloped 10 feet of rope during welding operations. The flame was extinguished, and there weren’t any injuries during the incident.

BP’s Presence in the Gulf of Mexico

British Petroleum operates at close to two dozen fields and can produce more than 200,000 net barrels of oil equivalent per day. It is the largest leaseholder in the deepwater region, owning over 650 blocks in 1,300 feet of water or greater. The company leads in exploration, development, and operations in the region. To date, it is the most successful in exploring the Gulf of Mexico and has been involved in discovery in the area since 1993, having been involved in deepwater operations since the mid-1980s.

If you have been injured while working here, or any BP owned or operated facility, contact us by filling out the online form, to receive information about being compensated for physical and mental anguish, lost work time, medical bills, and more.

Mad Dog Spar
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