The project consists of a $4.5 billion blue hydrogen clean energy complex to be built in Louisiana and the world’s largest instance of carbon capture.  The complex will produce 750MMscfd of blue hydrogen in Ascension Parish that will be delivered through 700+miles of pipelines.  The clean energy system will tie into 25 existing production facilities providing customers more than 1.6 billion cubic feet of hydrogen per day making it one of the largest producing hydrogen systems in the world.  With a 95% CO2 capture rate, it will be compressed to 2,160 psig and transported safely by pipeline 35 miles east of the new clean energy complex to multiple inland sequestration sites located along a pipeline corridor.  The complex will generate more than ten million metric tons per year (MTPY) of carbon dioxide which will be permanently sequestered in geologic pore space secured from the State of Louisiana approximately one mile below ground.  The clean energy complex will also produce 2.8 million metric tons per year of blue hydrogen that will be transported around the world.  Injection facilities will be installed in shallow water (10ft).  Pipelines will be constructed in predominately swamp terrain (shallow water areas) and will have complex horizontal direction drills that will need to engineered.   

Keystone is providing engineering, design, hydraulic analysis, automation & controls, SCADA, project management, survey, procurement, permit support, project scheduling, project controls,  cathodic protection & AC mitigation, geotechnical investigations, environmental support, and right-of-way support for all pipelines (Hydrogen, CO2 Mainline, CO2Distribution Lines and Natural Gas), measurement and regulation facilities, CO2 injection facilities, and tie-in locations along the system. 

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The project consisted of the installation of three temporary steam boilers, one deaerator with BFW pumps, a blowdown vessel, CEMS units, demineralized water processing trailer and storage, wastewater storage, and transfer pumps. Approximately 10,000 linear feet of pipe was installed. Medium voltage, low voltage, and control power systems were installed. The systems were controlled via local PLCs on each piece of equipment and terminated at a central processing unit. A battery limit access platform was included in the scope. Keystone provided engineering and design services.

The LLOG Exploration development of the Salamanca production facility comprises a floating production unit (FPU) which will be created from the refurbishment of a former Gulf of Mexico production facility that was previously decommissioned.  The FPU will serve as the collection point for production from the joint development of Leon discovery and Castile discovery, both located in the deepwater Gulf of Mexico in Keathley Canyon. The FPU will have a capacity of 60,000 barrels of oil per day and 40 million cubic feet of natural gas per day.  

By modifying a previously built production unit, the time and cost to refurbish the unit will be greatly reduced.  Additionally, the project has a significantly positive Environmental, Social, and Governance impact as it reuses an existing unit compared with abandonment of the unit, while also accomplishing approximately a 70% reduction in emissions impact compared to the construction of a new unit.  

The Milestone Construction Management Group will perform all topsides and hull construction management and the Inspection Group will perform all equipment packages/skids for the project.

Keystone provided multi-disciplined engineering services to design and install a new liquids pipeline to loop an existing ethane pipeline between Mont Belvieu to Beaumont, TX.  Specifically, the pipeline scope or work will include the following: 16 miles of 30” trunkline, 10 HDD’s,2 pigging sites. In addition, all associated foundations, supports, piping, and I&E interconnect. Pipeline scope includes hydraulic calculations and material selection, API 1102 crossing calculations, HDD design, and interface with surveying for plat and alignment sheet development.

Keystone provided multi-disciplined engineering services to design and install a new liquids pipeline from an existing terminal in Beaumont to a plant in Port Arthur.   Specifically, the pipeline scope or work will include the following: 12 miles of 16” pipeline, and 8 miles of 12”pipeline, 15 HDD’s, 3 pigging sites. In addition, all associated foundations, supports, piping and I&E interconnect. Pipeline scope includes hydraulic calculations and material selection, API 1102 crossing calculations, HDD design, and interface with surveying for plat and alignment sheet development.

Keystone provided engineering and detailed design for the support structure and lattice tower for the meteorological tower for a 268 MW offshore wind farm in Maryland. The intricate steel lattice tower is approximately 330 feet (100.6 meters) in height and is supported with a braced caisson foundation. Keystone’s scope of work included conceptual and detailed design of the substructure and tower, electrical subsystems design, mechanical subsystems design, project management services, on-site fabrication support, bidding documentation prep, and installation strategy support.

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