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Subsea Umbilicals, Risers and Flowlines (SURF)

Subsea Umbilicals, Risers and Flowlines (SURF)

Tecnoconsult has consolidated capabilities in the design of deep water subsea field development including Umbilicals, Risers, Flowlines, Manifolds and Tie-In Systems.Major Oil Companies are moving...

Onshore Plants

Onshore Plants

During the years, TECNOCONSULT has developed a strong cooperation with Major Oil Companies and Engineering Contractors to provide design of  upstream facilities including  production network...

Offshore Platforms

Offshore Platforms

Tecnoconsult has been involved in a wide number of projects for the design of fixed platforms with steel jacket also including foundations and installation...

Geotechnics & Geohazards

Geotechnics & Geohazards

TECNOCONSULT has developed a wide experience in handling all geological-geotechnical aspects to be investigated in the design of subsea facilities and pipeline systems.

Offshore Platforms Topsides

Offshore Platforms Topsides

TECNOCONSULT has developed wide experiences in the design or revamping of topside facilities and equipments for the offshore platforms.  

Installation Design

Installation Design

Tecnoconsult has a consolidated experience relevant to sealines and structures installation design activities in very shallow, shallow, deep and ultra-deep water.

Flow Assurance

Flow Assurance

TECNOCONSULT has gained a good experience in the Flow Assurance analysis for mono and multiphase systems; with the major Oil/Engineering Companies.

Onshore Pipelines

Onshore Pipelines

Tecnoconsult  performs Onshore Pipelines design including relevant ancillaries.Our Company has resources and capabilities to assist clients in all disciplines for oil, gas and water transportation system...

MARINE TERMINALS

MARINE TERMINALS

Tecnoconsult has a consolidated experience in the design of marine terminals for hydrocarbons loading/unloading operations.

Sealines

Sealines

Tecnoconsult experience goes back nearly thirty years in design of subsea pipelines, ranging from shallow to ultra-deep waters, from geohazards identification to the identification of...

Flow Assurance

TECNOCONSULT has gained a good experience in the Flow Assurance analysis for mono and multiphase systems; with the major Oil/Engineering Companies.

The experienced systems are tipically:

  • Gas/Liquid pipelines (One Phase systems)
  • Onshore/Offshore (shallow water and deep water) multiphase systems (gathering from well/wellhead facilities, gas-condensate pipelines).

Our approach to design the gathering systems and/or transfer pipelines is supported by internationally recognized computer softwares (OLGA and PVTsim).

TECNOCONSULT Flow assurance team is composed by permanent employers with good experience, gained during about 8 years of studies and projects carried out using up-to-date international codes and based on traditional approach as well as on recent limit state design criteria.

The flow assurance study is carried out through the following steps:

  • Fluid characterization
  • Steady State Analysis
  • Transient Analysis

The fluid characterization analysis is carried out to simulate fluid properties and experimental PVT data.

The Steady state hydraulic calculations are performed to verify the suitability of the pipelines for various transport capacity scenarios; in terms of pressure, temperature, fluid velocities and pressure drops, in order to verify that the selected pipelines sizes allow to operate respecting the constraints on the fluid velocities and EVR (Erosional Velocity Ratio).

The Transient analysis is performed for the following different approaches:

Liquid lines: to calculate if water hammer effects, caused by sudden valves closure and/or pump trips, are within the limits of the applicable code for accidental conditions.

Gas lines: to define operability limits as survival and packing times or blowdown scenarios.

Multiphase lines: to define the maximum slug size and duration for slug catcher sizing and preservation methodology in case of shutdown of the system.

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