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Project: Mandy Development / Matterhorn TLP: Subsea Tieback of Wells

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PROJECT PROFILE: Mandy Development/Matterhorn TLP CLIENT: LLOG Exploration & W&T Offshore LOCATION: Gulf of Mexico (GOM), MC-199 and MC-243 • Brownfield topsides modifications • Deepwater floating installation • ABS interface for safety systems expansion • Additional Mandy development capacities: 20,000 BOPD, 12 MMSCFD • Mandy Development - in 2,446 ft of water, MC-199 • Matterhorn TLP - in 2,789 ft of water, MC-243 PROJECT OVERVIEW PROJECT SCOPE Audubon Engineering Solutions provided topsides engineering support and modifications to W&T Offshore's Matterhorn TLP production system and integrated the system with LLOG Exploration's Mandy development and topsides equipment. Topsides facilities modifications were completed to receive, separate, and meter Mandy production prior to commingling with existing Matterhorn production. Our engineering, design, and installation services supported two risers to tie back three Mandy wells that were combined into a 4-slot subsea manifold prior to flowing to the Matterhorn TLP. REV3-MAR-2016 • Specification and design of the Mandy production systems • Removal of existing equipment and piping • Expansion of the fire water and safety systems • Design for capacity of existing topside systems to support Mandy production • Integration of Mandy subsea equipment with Matterhorn topside systems • ABS and USCG permitting support • Design of a temporary deck extension and installation plan auduboncompanies.com Visit our website to learn more about our featured projects New Orleans | Houston | Covington | Denver | Tulsa | Bogotá | La Porte | Pittsburgh | Durango

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