Offshore Field Development Projects
Mars Mars
Operator:Shell
Water Depth:914 m / 3,016 ft
Region:N. America - US GOM
Country:US
Last Updated:Jan 30, 2015    (view update history)
Project Description
The Mars, Deimos and Europa fields are located on Mississippi Canyon Blocks 762, 763, 806, 807, 850, 851 and 935. All of which are tied-back to the host facility, Mars Tension Leg Platform, on Mississippi Canyon Block 807.

Discovered by the Discoverer Seven Seas drillship in 1989, Mars is located on Mississippi Canyon Blocks 762, 763, 850 and 851. The geological age of the Mars formations above 14,000 feet (4,267 meters) are Pliocene, and the deeper reservoirs are Miocene.

Shell encountered hydrocarbons at the Deimos field located in approximately 3,000 feet (914 meters) of water on Mississippi Canyon Block 806. The Deimos well was spudded by Transocean's Deepwater Nautilus in June 2002 and reached total depth in September.

For both the Mars and the ...
The Mars, Deimos and Europa fields are located on Mississippi Canyon Blocks 762, 763, 806, 807, 850, 851 and 935. All of which are tied-back to the host facility, Mars Tension Leg Platform, on Mississippi Canyon Block 807.

Discovered by the Discoverer Seven Seas drillship in 1989, Mars is located on Mississippi Canyon Blocks 762, 763, 850 and 851. The geological age of the Mars formations above 14,000 feet (4,267 meters) are Pliocene, and the deeper reservoirs are Miocene.

Shell encountered hydrocarbons at the Deimos field located in approximately 3,000 feet (914 meters) of water on Mississippi Canyon Block 806. The Deimos well was spudded by Transocean's Deepwater Nautilus in June 2002 and reached total depth in September.

For both the Mars and the Deimos fields, Shell serves as the operator with a 71.5% interest, and BP holds 28.5% interest in them.

Shell discovered Europa in 1994, using the Ocean America semisub. Located on Canyon Block 935, the field consists of reserves in multiple Upper Miocene sands at depths of 16,000 to 19,000 feet (4,877 to 5,791 meters) subsea. Shell is the operator with a 34% interest; BP holds 33%; Agip holds 32%; and Conoco has the remaining 1% interest.

Mars TLP

The Mars Tension Leg Platform is located in the Gulf of Mexico about 130 miles (209 kilometers) southeast of New Orleans. Situated on Mississippi Canyon 807, the TLP was installed in May 1996 in water depths of 2,940 feet (896 meters). At the time, the facility surpassed the depth record in the Gulf of Mexico for a permanent drilling and production platform.

Shell is the operator of the TLP, and has a 71.5% interest; BP has the remaining 28.5% interest.

The TLP is 3,250 feet (991 meters) high from the seafloor to the crown block of the drilling rig and weighs approximately 36,500 tons (33,112 tonnes). The TLP was designed to withstand hurricane force waves of 71 feet (22 meters) and winds up to 140 mph.

The hull is comprised of four circular steel columns, 66.5 feet (20 meters) in diameter and 162 feet (49 meters) high, and four pontoons 27 feet wide (8 meters) and 24 feet (7 meters) high. The hull weighs approximately 15,650 tons (14,197 tonnes).

The deck consists of five modules: wellbay, quarters, process, power and drilling. Its design is an open truss framing that is 245 feet (75 meters) by 245 feet (75 meters) by 45 feet (14 meters) high and weighs 7,200 tons (6,532 tonnes). McDermott completed the fabrication of the modules.

There are 12 tendons with a diameter of 28 inches and a wall thickness of 1.2 inches. Each tendon is 2,852 feet (869 meters) long and weighs 6,150 tons (5,579 tonnes) and is connected to the seafloor. Aker Gulf Marine fabricated the piles and tendons.

There are 24 well slots for drilling with a subsea well tied-back to the TLP. Aker Gulf Marine completed the integration with a complete separation, dehydration and treatment facilities.

Reconstruction

The Mars TLP was damaged during Hurricane Katrina in 2005. The floating structure and wells sustained the hurricane waves, but the platform drilling rig and parts of the topsides production equipment were heavily damaged.

It took three months of preparation and planning to lift and remove the Mars platform in two pieces. Several repairs were industry firsts: lifting the 670-ton (608-tonne) structure from its tangled mess and repairing the oil and gas pipelines 3,000 feet (914 meters) below the water’s surface.

In May 2006, the facility was repaired; and in July 2006, it started reproducing slightly above its pre-Katrina rates. Mars design capacity was about 220,000 bopd and 220 MMcf/d (6 MMcm/d). Its current production facilities are designed to recover about 500 million barrels of oil.
Activities
Status Updates
Mars B Production Begins Onboard Olympus TLP
Type: Production Start

Feb. 2014 - Shell announced the start of production at its Mars B development in the U.S. Gulf of Mexico ahead of schedule. The Mars B production stream is processed by the newly installed Olympus TLP (tension leg platform) located in over 3,000 feet of water in Mississippi Canyon Block 762. Subsea development wells from the West Boreas and South Deimos fields are tied back to the TLP and are expected to extend the life of the greater Mars development through 2050. Additional development wells will be drilled to enable production to peak at 100,000 boe in 2016. Olympus is Shell's seventh and largest floating deepwater platform in the region.

Olympus TLP Body Sets Sail for GOM
Type: Facility Construction

Nov. 2012 - A Dockwise heavy lift vessel departed South Korea in route to the U.S. Gulf of Mexico carrying the 35,000 ton main body of Shell's Olympus TLP. The TLP should reach Ingleside, Texas in early 2013 where topsides will be installed before being towed to its final location in the Shell-operated Mars project. Olympus will be the company's largest tension leg platform designed with 24 well slots and will provide infrastructure to the West Boreus and South Deimos subsea developments. The addition of Olympus will extend the life of the Mars field to at least 2050. Production is targeted for 2015.

McDermott to Supply Equipment for Mars B Development
Type: Subsea Equipment

Aug. 2011 - McDermott International announced that one of its subsidiaries received a fabrication contract from Shell Offshore, Inc. for the West Delta 143 “C” deck, jacket, piles and bridge in the Gulf of Mexico. The scope of work includes detailed construction engineering and load-out analysis for the structure, as wells as performing all construction engineering, procurement, fabrication and onshore mechanical completion of the deck. The company will also assist in the commissioning of the platform. McDermott stated that first steel cut will happen later this year, with expected sail away of the deck in the first quarter of 2013. The WD 143 “C” fabrication is part of the Mars B development, consisting of the Olympus Tension Leg platform, West Boreas and South Deimos subsea developments and the West Delta 143 “C” jacket and deck. The Olympus platform will reside in Mississippi Canyon Block 807 in 3,000 feet (914 meters) of water.

BMT to Supply a Marine Instrumentation System to Shell
Type: Contract Award

Jul. 2011 - Shell Offshore awarded BMT Scientific Marine Services a contract to provide a Marine Instrumentation System (MIS) to the Olympus TLP, for the Mars B development in the Gulf of Mexico. MIS is a computer-based system that acquires, display's and records vessel, marine and environmental data for operators. The Mars B project is located in the Mississippi Canyon area of the Gulf of Mexico in waters measuring 2,940 feet (896 meters).

Dril-Quip to Supply Equipment for Olympus TLP
Type: Contract Award

Oct. 2010 - Dril-Quip received a US $27 million contract from Shell Offshore to supply drilling and production equipment for the Olympus Tension Leg Platform (TLP) that will be installed on the Mars field. Dril-Quip will provide subsea wellhead equipment, production riser tieback connectors, and drilling riser components for the Olympus TLP. The TLP is part of the Mars B project, which is located in the Mississippi Canyon area of the Gulf of Mexico in waters measuring 2,940 feet (896 meters).

Aker to Deliver Umbilicals for Popeye, Europa Fields in GOM
Type: Subsea Equipment

Oct. 2010 - Aker Solutions signed three subsea contracts with Shell Offshore for deliveries to the Popeye and Europa fields in the Gulf of Mexico. Aker will deliver nearly 25 miles (40 kilometers) of electro-hydraulic steel tube umbilicals to the two satellite fields; and will also install an umbilical for the Popeye field using the company's deepwater installation vessel Boa Sub C. Engineering, project management, and manufacturing of the equipment will take place at the company's facility in Mobile, Alabama. Popeye is located in Green Canyon Block 116 in nearly 2,205 feet (672 meters) of water. The field will be tied-back to the Cougar fixed platform located in South Timbalier Block 300 in 361 feet (110 meters) of water. The Europa A7 well is located in Mississippi Canyon Block 935 in approximately 3,750 feet (1,143 meters) of water and will connect to the existing Europa subsea structure. Europa is tied-back to the Mars TLP, located in Mississippi Canyon Block 807 in 2,940 feet (896 meters) of water.

Deimos South Exploration Well Set for Mid-September
Type: Status Update

Sep. 2009 - The Deimos South exploration drilling date pushed back. The Cajun Express is slated to spud the well on Mississippi Canyon block 762 around mid-September.

The Cajun Express Slated to Drill Deimos South
Type: Status Update

Aug. 2009 - Diamond Offshore's Cajun Express semisub is slated to drill an exploration well at the Deimos South extension around mid-August 2009. The exploration well will be drilled on Mississippi Canyon Block 762 in 3,105 feet (946 meters) of water. Shell operates the field and holds 71.50% interest; BP holds the remaining 28.50% interest.

Cajun Express Scheduled for Drilling Operations at Deimos Field
Type: Status Update

Jun. 2009 - Transocean's Cajun Express semisub is slated for drilling operations at the Deimos field on Mississippi Canyon Block 762. Deimos is located in water depths of 3,001 feet (915 meters) in the deepwaters of the Gulf of Mexico. The field began production in July of 2007. Shell operates the Deimos field with a 72% interest and BP holds the remaining 28% interest.

Shell Expects Mars Online by End of Next Week
Type: Status Update

Sep. 2008 - Shell says that the company has accelerated scheduled maintenance on the Mars TLP and expects the facility to be back online by the end of Next week. The Mars TLP is located on Mississippi Canyon 807 in water depths of 896 meters and plays host to the Mars, Diemos & Europa fields.

Mar Undergoing Repairs from Gustav Damage
Type: Status Update

Sep. 2008 - Shell stated that although the Mars facility escaped damages from Ike there is still remaining repair work from Hurricane Gustav that could not be completed before evacuating for Ike. The Mars TLP is located on Mississippi Canyon 807 in water depths of 896 meters and plays host to the Mars, Diemos & Europa fields.

Shell Turns on the Taps at Deimos
Type: Production Start

Jul. 2007 - Shell Exploration & Production Company has started production from the Deimos discovery in the Gulf of Mexico's Mars Basin. Deimos is a phased development; Phase I has a peak production capacity of 30 kboe/day. This first phase consists of a three-well subsea system tied back to the Mars Tension Leg Platform. The system selection for Deimos Phase II is dependent on Phase I appraisal data and production. Options for the second phase could range from additional subsea tiebacks to a stand-alone concept.

Shell Provides Mars TLP Production Update
Type: Status Update

Sep. 2006 - Shell Exploration & Production Company reports that the Mars Tension Leg Platform (TLP), which was heavily damaged during Hurricane Katrina in 2005, is currently producing 190,000 barrels (gross) of oil equivalent per day, which is a 20 percent increase over pre-Katrina rates. As announced on May 22, the Mars TLP resumed production ahead of schedule and was producing slightly above its pre-Katrina rates in July.

Shell schedules shut down at Mars for flexjoint replacement
Type: Facility Construction

Oct. 2004 - Shell Exploration & Production Company (Shell) announced today that it will shut down the Mars tension leg platform (TLP) on November 4, 2004 to replace the flexjoints on both its oil and natural gas export lines. It is expected that this operation should take approximately two weeks.

Shell Makes Deepwater Discovery at Deimos Prospect
Type: New Discovery

Oct. 2002 - Shell Exploration & Production Company has encountered hydrocarbons at its Deimos prospect located in approximately 3,000 feet of water in Mississippi Canyon Block 806. The Deimos well was spudded by Transocean's Deepwater Nautilus in June 2002 and reached total depth in September.

Mars B Olympus TLP
Producing - Feb 2014 to -

Under Construction - 2010 to Feb 2014

Deimos
Producing - Jul 2007 to -

Under Development - Sep 2006 to Jun 2007

Discovery (Drilled) - Sep 2002 to Sep 2006

Exploratory Drilling - Jun 2002 to Sep 2002

Discovery made on MC 806 using Transocean's Deepwater Nautilus. Additional drilling will be required to delineate the actual field potential.

Europa
Producing - Jan 31, 2000 to -

Under Development - Mar 1998 to 2000

Shell developed Europa utilizing a subsea system located on Mississippi Canyon Block 935, capable of accomodating eight wells, and tied back 20 miles to the Mars TLP on Mississippi Canyon Block 807.

Discovery (Drilled) - 1994 to 1998

Discovery drilled on MC 935 using Diamond's Ocean America Semisubmersible.

Mars
Producing - Jul 08, 1996 to -

Under Development - Oct 1993 to Jul 1996

Appraisal Drilling - 1989 to Sep 1993

4 other wells and 6 sidetrack wells were used along w/seismic findings in making a decision on the development plans for Mars.

Exploratory Drilling - Mar 1989 to Apr 1989

Discovery was drilled in MC763 using the Discoverer Seven Seas drillship.

South Deimos
Producing - Feb 2014 to -

Under Development - 2011 to Feb 2014

Discovery (Drilled) - Feb 16, 2010 to 2011

Exploratory Drilling - Sep 2009 to Feb 15, 2010

Deimos South (MC762) is an extension of the existing Deimos producing field. Diamond's Cajun Express drilled the exploratory well.

Bright Spot - Jul 01, 1985 to Sep 2009

Shell acquired MC762 at the 5/22/1985 Central GOM lease sale #98 (bid- 1294000.00); Lease expires 6/30/1995.

Update History
The SubseaIQ Team works everyday to provide you with the latest information on the offshore field development market. The following table provides you with a detailed record of each addition and update made to this project by the SubseaIQ team.
UPDATE TYPE DATE DAYS AGO
Facility Updated Jan 30, 2015 907
Field Updated Feb 06, 2014 1265
Facility Updated Feb 06, 2014 1265
Facility Status Updated Feb 06, 2014 1265
Facility Status Added Feb 06, 2014 1265
Field Status Updated Feb 06, 2014 1265
Field Status Added Feb 06, 2014 1265
Activity Added Feb 06, 2014 1265
Facility Added Nov 29, 2012 1699
Facility Status Added Nov 29, 2012 1699
Facility Updated Nov 29, 2012 1699
Activity Added Nov 29, 2012 1699
Project Description Updated Sep 17, 2012 1772
Facility Updated Aug 09, 2011 2177
Field Status Updated Aug 09, 2011 2177
Field Status Added Aug 09, 2011 2177
Activity Added Aug 04, 2011 2182
Activity Added Jul 11, 2011 2206
Project Description Updated Feb 10, 2011 2357
Activity Added Oct 14, 2010 2476
Field Updated Oct 14, 2010 2476
Activity Added Oct 08, 2010 2482
Field Updated Oct 08, 2010 2482
Field Status Updated May 10, 2010 2633
Field Status Added May 10, 2010 2633
Field Updated May 10, 2010 2633
Field Status Updated Oct 19, 2009 2836
Field Updated Oct 19, 2009 2836
Field Updated Oct 05, 2009 2850
Field Status Updated Sep 03, 2009 2882
Activity Added Sep 03, 2009 2882
Field Updated Sep 03, 2009 2882
Field Updated Aug 31, 2009 2885
Field Updated Aug 24, 2009 2892
Field Added Aug 24, 2009 2892
Field Status Added Aug 24, 2009 2892
Field Status Updated Aug 24, 2009 2892
Activity Added Aug 24, 2009 2892
Field Updated Jun 29, 2009 2948
Activity Added Jun 29, 2009 2948
Facility Updated Jan 13, 2009 3115
Facility Status Added Jan 06, 2009 3122
Facility Status Added Jan 05, 2009 3123
Field Updated Jan 05, 2009 3123
Field Updated Dec 01, 2008 3158
Project Description Added Nov 24, 2008 3165
Activity Added Sep 25, 2008 3225
Activity Added Sep 17, 2008 3233
Field Status Added Feb 08, 2008 3455
Field Status Added Dec 27, 2007 3498
Field Added Dec 27, 2007 3498
Field Added Dec 26, 2007 3499
Field Status Added Dec 26, 2007 3499
Field Added Dec 19, 2007 3506
Field Status Added Dec 19, 2007 3506
Facility Added Dec 19, 2007 3506
Facility Status Added Dec 19, 2007 3506
Activity Added Jul 26, 2007 3652
Activity Added Sep 06, 2006 3975
Activity Added Oct 08, 2004 4673
Activity Added Oct 03, 2002 5409

    Project Update History Search - View all the lastest updates made by the SubseaIQ team.
 
Project Map
 
 
 
Facility Name Mars B Olympus TLP
Duty Oil/Gas
Operator Shell
Current Status Producing since 2014
Host Type TLP
Water Depth 914 m / 3,016 ft
Dev.Cost n/a
 
Region US
 
Location
 
Field Name Mars
Discovery Date Apr 1989
Block Mississippi Canyon 762, 763, 806, 807, 850, 851
Reserve Type Oil/Gas
Current Status Producing
Production Start Jul 1996
Water Depth 896 m / 2,957 ft
Field Name Deimos
Discovery Date Sep 2002
Block Mississippi Canyon 806
Reserve Type Oil
Current Status Producing
Production Start Jul 2007
Water Depth 915 m / 3,020 ft
Field Name Europa
Discovery Date Jan 1994
Block Mississippi Canyon 890, 891, 934, 935
Reserve Type Oil
Current Status Producing
Production Start Jan 2000
Water Depth 1,189 m / 3,924 ft
Field Name South Deimos
Discovery Date Feb 2010
Block Mississippi Canyon 762
Reserve Type n/a
Current Status Producing
Production Start Feb 2014
Water Depth 946 m / 3,122 ft