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I Field Development Planning

Crondall Energy has the unique ability to provide a project team of floating production and subsea experts who work with Operators to select the best concept for the field development.

We have an experienced team of naval architects, process and flow assurance engineers, pipeline and riser engineers and subsea equipment experts to suit the size of the project.  Our strength lies in our system understanding and independence of thought. 

Field Layout
Subsea Pipeline
Key Services:


I Feasibility and pre-sanction studies

At the feasibility and pre-sanction stages, we work closely with the operator to identify all feasible field development options. We have an efficient process to compare risks and benefits with costs to select the best solutions to take forward to the next stage.  

I Concept development and selection

As each concept is developed, we have the experience and tools to establish a full understanding of differences in cost, operability, reliability and installability. We work closely with the Operator to understand their drivers so that together we reach a robust and documented conclusion on the best design for the field.

I Pre-FEED and FEED studies

During the Select phase, we support our clients with pre-FEED engineering studies to Select gate decisions. 


With FPSOs this can include structural design, intact and damage stability analyses, motions, mooring analyses and marine systems definition. 


In Subsea, this includes flow assurance modelling and operability studies, hardware selection studies, pipeline engineering, riser analysis, field layout drawings, P&ID drawings and controls schematics.  Resolving interfaces between subsea and the FPSO is a particular strength.


Clients also have access to our Marine Technology team who provide FEED studies for discrete shipboard packages and brownfield modifications.

I Procurement strategy options

Operators can also rely on our support through the procurement stage allowing the project team to run a focused and cost-effective procurement process.  This contributes to a reduction in the risk of missing key scope areas, key steps or taking wrong turns in the implementation of the process. 

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