A portfolio reflecting our expertise in oil and gas project management, business development and technical consultancy — over $100 million in awarded contracts facilitated since 2019.
Each project we undertake has its own unique challenges and opportunities, and we work closely with our clients to deliver customized solutions that meet their needs.
Manna developed the proposal and provided bid/estimating support, vessel acquisition from Seacor, and dry tow of the asset from the USA to Angola. Hamad Energy was awarded a 5-year contract, and Manna leads project management post-award.
Managed the removal of 5 risers, two umbilicals and numerous clamps from the surface to the seabed using ROVs and divers. Water depth was approximately 600 ft (183 m). The project was executed in 2022.
Projects led by Managing Director John Mitchener before founding Manna Offshore and in other roles. They show the experience behind Manna; they are not presented as Manna Offshore contracts.
John Mitchener managed operations of the heavy-lift vessel (HLV) Goliath for two years.
Gulf of Mexico · 2020–2021
Deepwater blowout preventer (BOP) installation for Shell, supported by ROV operations.
Gulf of Mexico · 2021–2022
Subsea construction project management in shallow and deepwater, including riser and umbilical removals.
Nigeria · 2016–2019
Installation of a 36-inch pipeline for Chevron in Nigeria.
Jamaica · 2016–2019
Installation of 41,000 ft of pipe for New Fortress Energy in Jamaica.
Gulf of Mexico · 2016–2019
Platform decommissioning in water depths to 700 feet of seawater.
Gulf of Mexico · 2007–2009
Mixed-gas and air diving operations from a 185 ft four-point dive vessel: platform dismantlement, caisson removals, well and pipeline diving work and riser installations.
US · Mexico · West Africa · 2016–2019
Commercial and operational lead on contracts with Chevron, Conoil, Shell and Total.
Operators and energy companies whose projects our team has supported.
Logos are trademarks of their respective owners and indicate projects supported; they do not imply endorsement.
Request our capability statement for your vendor-qualification file, or talk to us about bid support, partner alignment and vessel requirements for your next project.