HEC Projects 2000-2015
LNG: Ship Design
LNG SHIP DESIGN DEVELOPMENT HEC aided a major oil company in developing a series of large LNG carrier designs. HEC directed hull form development, including model testing, and worked with shipyards to determine the costs [...]
LNG: PLNG
PLNG SHIP CONCEPT DEVELOPMENT Over five years, HEC performed concept design for a ship using a proprietary PLNG containment system. This work included initial ship sizing, hull structure development, full ship FEA, and preparation of [...]
LNG: Terminal
GRAVITY-BASED LNG TERMINAL HEC developed a concept design for a gravity-base LNG receiving terminal that could be built in a shipyard using conventional shipbuilding techniques. HEC’s involvement included selecting the LNG containment system, optimizing the [...]
LNG: Feasibility & Design
FEASIBILITY, CONCEPT, PRELIMINARY DESIGN Engineering feasibility studies for several proprietary LNG containment concepts Preliminary design of “Prism” membrane-tank LNG carrier to minimize sloshing loads Concept design of modifications to Large LNG carrier to offload at [...]
Offshore: FPSO
WEST AFRICA FPSO For a site in 1600 m water depth offshore Angola, HEC assigned one of our principals to serve as the lead naval architect for an independent oil company’s first offshore development. In [...]
Offshore: Pre-salt FPSO
BRAZILIAN PRE-SALT FPSOS Over four years, HEC seconded one of our principals to a major FPSO contractor to work on the front-end design of the first pre-salt FPSO for Petrobras, as well as two [...]
Offshore: North Sea FPSO
NORTH SEA FPSO CONVERSION HEC provided key staff, including principals and staff engineers, to theclient’s engineering team in Hamburg for one and a half years to perform front-end and detailed engineering for the life extension [...]
Offshore: Dan Swift Conversion RoRo OASV
CONVERSION TO ACCOMMODATIONS VESSEL FOR OFFSHORE CONSTRUCTION Offshore: Dan Swift Conversion RoRo - OASV Several members of HEC, including principals and staff engineers, were seconded to Blohm and Voss shipyard in Hamburg over two [...]
Offshore: Angola FPSO
CONCEPT DESIGN OF OFFSHORE ANGOLA NEW-BUILD FPSO For a UK-based client, HEC developed the concept design of a new-build VLCC-sized FPSO hull. HEC developed a hull form with good towing characteristics that was economical to [...]
Offshore: Sea Fastenings
ANALYSIS OF SEA FASTENINGS FOR HEAVY LIFT TRANSPORT For a regular marine warranty surveyor client, HEC has analyzed sea fastenings for several structures onboard transportation vessels, including drilling towers and submerged mooring turrets. Services include [...]
Offshore: Overview
Offshore: OverviewHEC has analyzed the weight, loading, and stability of several FPSOs, semisubmersibles, and spars to support design work or solve offshore operating problems. Projects have included deadweight surveys, analysis of damage or flooding incidents, [...]
Regulatory Environmental Performance: Emissions & Footprint
VESSEL EMISSIONS AND CARBON/GHG FOOTPRINT · Conducted fuel consumption and ship operational history data analysis to determine the actual GHG emissions for ships and fleets in service over time. Also, it evaluated the benefits of [...]










