Subsea Systems Engineering

Crondall Energy has in-depth technical expertise in subsea systems engineering from the wellhead to the production facility.  We can support operators to ensure that their subsea systems operate efficiently and effectively to maintain and maximise production in the long term.

Key Services:

 

  • Riser selection & analysis
 

We have experienced engineers who understand the drivers influencing riser system selection and can advise on the most suitable riser concept, considering all aspects of the field development.  We define the riser system layout and riser configuration, with static and dynamic analysis performed to establish that the riser loads are within the requirements for extreme and fatigue conditions.  With core skills in both Floating Production and Subsea engineering, Crondall Energy provides a unique understanding of the interaction between the vessel and the riser system.

  • Flow assurance modelling
 

We have highly experienced engineers using the latest software to model and analyse challenging hydrocarbon flow from the wellbore to the separator inlet.  This key activity defines line size, heat transfer and temperature distributions, and determines the most appropriate strategies to mitigate hydrate and wax build-up to prevent system blockages.

 

Our analytical capabilities include multiphase modelling software OLGA, LEDAflow and PIPESIM, supported by fluid phase and hydrate modelling packages PVTsim and Multiflash.

  • SPS technology studies
 

Our engineers have experience in the design of equipment such as trees, manifold systems, connection systems and control systems.  A major challenge with subsea hardware is the translation of the overall system requirements into component requirements which are used to drive the design, testing and operational integrity management.  Crondall Energy engineers work together with field operators to resolve the challenge by developing technical requirements.

 

  • Well installation and intervention studies

 

Installation and intervention tooling requires an understanding of both well control safety and subsea interfaces. Crondall Energy engineers work with clients early in concept development to understand the impact of tree selection on tooling requirements and vice-versa.  Crondall Energy has developed technical guidance and engineering process in this area to help client project engineers develop tooling system requirements, configure components to meet system requirements and understand how structural limits impact on in-field operability and safety.

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