Arduous GoM Drill Rig Salvage Accomplished

Press Release
Friday, April 12, 2013
The Jack-up Rig: Photo credit Inland Salvage Inc.

Inland Salvage successfully delivers salvaged jack-up drill rig which sank last winter in the Gulf of Mexico.

In mid-December 2012 a retired jack-up drill rig under tow from Fourchon, LA to be dismantled in Texas began taking on water. Despite being in the crowded waters of the oilfield, the tow captain was able to maneuver the sinking rig into a little used section of the Vermillion Block where the seas finally washed over the main deck and forced the rig to the ocean floor.

Inland Salvage Incorporated (ISI), based in Harvey, LA, was awarded the salvage contract and began dedicating assets towards the effort, teaming up with Titan Salvage of Pompano Beach Fl. Titan's naval architects began performing stability calculations while ISI and Titan personnel mobilized to the wreck site onboard a 185 class lift boat which could remain on location even during the Gulf's winter storms.

The Salvage Master, Gordon Olson, determined it would be best to approach the salvage from two fronts. One dive team would work to restore buoyancy to the barge and mud mat, while the second team would attempt to reestablish control of the now submerged jacking system.  Salvage Engineers developed an external hydraulic supply and control unit that was connected to the existing jacking system by divers working in the confined spaces of the rig. At the same time, divers penetrated into the barge tanks to install salvage pumps and restore the rig's dewatering system for the mud mat.

With the work complete and a break in the weather, the process of raising the barge using its own jacking system began. The hydraulic repairs were successful and the barge slowly moved up the rig's legs. As the main deck broke the waters surface, the salvors began pumping the barge to lessen the load on the hydraulic jacks, which continued until the barge was completely jacked up out of the water.

It was decided to set the jack up onto a receiver barge that could safely survive the trip to the scrap yard. The rig was jacked high enough above the water to allow an ocean going receiver barge to be floated underneath of it. Once the floating vessel was in position, the jacks began lowering the rig onto the receiver deck. The rig's mud mat was then raised up under the receiver barge and the tow was underway. The barge and rig combination safely arrived at its destination where the process was reversed and the jack up rig successfully delivered.
 


 

Maritime Reporter July 2015 Digital Edition
FREE Maritime Reporter Subscription
Latest Maritime News    rss feeds

Contracts

Diana Shipping Nets 2Q Loss

Diana Shipping Inc. today reported a net loss of $14.1 million and net loss attributed to common stockholders of $15.5 million for the second quarter of 2015, compared to net loss of $5.

U.S. Drillers Add Rigs Despite Crude Collapse

U.S. energy firms added 5 oil rigs this week after putting 21 rigs into service last week, the most in over a year, despite a collapse in U.S. crude prices from recent highs in June,

DryShips Reaches Agreement with Ocean Rig

DryShips Inc. (NASDAQ: DRYS), a global provider of marine transportation services for drybulk and petroleum cargoes, and through its subsidiary, Ocean Rig UDW Inc.

Offshore

Fratelli Neri Orders Damen Tug

One of the largest Italian tug owners, Fratelli Neri S.p.A, ordered its first Damen tug, an ASD 3212, on 21 July 2015.   The vessel will be the first ASD tug

NOIA Applauds Senate Passage of OPENS Act

NOIA President Randall Luthi issued the following statement on the Senate Energy and Natural Resources Committee’s passage of the OPENS Act, which will open new

Shell Moves Ahead in Arctic with Exploratory Well

Shell Oil's icebreaker MSV Fennica weaved through nine remaining protesters hanging from the St. Johns Bridge and made its way toward the Pacific Ocean.   Authorities

Salvage

Four Rescued from Boat Fire in California

U.S. Coast Guard and firefighter crews helped rescue four people from a boat fire Tuesday afternoon in Alameda, Calif.   Coast Guard Sector San Francisco Command

Diesel Spill in Houston Ship Channel

A small section of the Upper Houston Ship Channel was closed Tuesday morning after a report of 1,000 gallons of diesel entered Greens Bayou from a cement facility, the U.

Wrecked 'Russian Submarine' Found in Swedish Waters

A wrecked mini-submarine was found last week in waters off of Sweden’s eastern coast.   Authorities believe it is a Russian model, primarily because of Cyrillic letters on the hull.

 
 
Maritime Careers / Shipboard Positions Maritime Contracts Maritime Security Naval Architecture Navigation Offshore Oil Pipelines Port Authority Ship Electronics Ship Simulators
rss | archive | history | articles | privacy | contributors | top maritime news | about us | copyright | maritime magazines
maritime security news | shipbuilding news | maritime industry | shipping news | maritime reporting | workboats news | ship design | maritime business

Time taken: 0.1521 sec (7 req/sec)