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03 Jul

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East of England Ambulance Service NHS Trust Headquarters

EEAST - Chemical, Biological, Radioactive and Nuclear Protection Suits and Gas-Tight Suits and Associated Products (26-T04)

· Published 03 Jul

CLOSED

03 Jul

—

Estimated

Modification

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Liverpool City Region Combined Authority

Kingsway Tunnel Refurbishment (Dado Panels)

· Published 03 Jul

CLOSED

03 Jul

—

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Leicester City Council

37032 - ELMBROOK

Transport services· Published 03 Jul

CLOSED

03 Jul

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Liverpool City Region Combined Authority

Merseytravel Electrical Framework 2026-2030

· Published 03 Jul

CLOSED

02 Jul

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City & County of Swansea

Contract for Event Medical Cover

· Published 02 Jul

CLOSED

02 Jul

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CENTRE FOR PROCESS INNOVATION LIMITED

Specialist Filters

· Published 02 Jul

CLOSED

02 Jul

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Launceston Town Council

Conversion of a former Bank to Library Hub

· Published 02 Jul

CLOSED

02 Jul

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Launceston Town Council

Launceston Town Council Ground Workers' Compound - New Build

· Published 02 Jul

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02 Jul

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CITY HOSPITALS INDEPENDENT COMMERCIAL ENTERPRISES LIMITED

Electric Van Lease

· Published 02 Jul

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02 Jul

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B3Living

Electrical Periodic Testing & Remedial Works

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B3Living

Wastewater & Sewerage Drain Maintenance Services

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02 Jul

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Luton Council

AT1255 Services for Supported Accommodation DN701674

· Published 02 Jul

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01 Jul

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Ipswich Borough Council

Barrow Store Welfare Premises installation

· Published 01 Jul

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01 Jul

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Wrexham County Borough Council

Proc-25-317 | Dry Cleaning Services

· Published 01 Jul

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01 Jul

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West Lancashire Borough Council

Supply and Installation of Carpets and Vinyl Flooring

· Published 01 Jul

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01 Jul

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Wolverhampton City Council

Emotional Mental Health and Wellbeing Service

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01 Jul

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South Derbyshire District Council

V4SDDC034 Healthcare Cashplan

· Published 01 Jul

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01 Jul

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Newark And Sherwood District Council

NSDC-1466 The Provision of the Collection and Reprocessing of Glass Packaging for Newark & Sherwood District Council (Concession)

· Published 01 Jul

CLOSED

27 Jul

£600k

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Closed

Queen Victoria Hospital NHS Foundation Trust

Provision of Allograft Products

Health & social· Published 01 Jul

CLOSED

01 Jun

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East Sussex County Council

Taxi and MPV (1-8 seats) Passenger Assistant - Taxi and MPV (1-8 seats) Passenger Assistant

Transport services· Published 01 Jul

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Notice peek

ClosedCF · 2c7c82a59294

Conceptual modelling for migration assisted storage

Oil & Gas Authority

Status

Closed

Estimated

£100k

Published

20 Nov 2024

Key facts

Notice ID: cf-8d641658-31fa-40e4-854e-2c7c82a59294
CPV code: 76100000 · Oil & gas services
Source: Contracts Finder

Timeline

Published
20 Nov 2024

Description

There are countless subsurface factors that influence the regional suitability and ultimate success of storing (and monitoring) CO2 in an "unconfined" saline aquifer. The behaviour of a plume of CO2 and the associated pressure changes resulting from displaced formation fluid will respond to geological heterogeneity on multiple scales e.g. hydraulic connectivity as a function of lithology, facies or poroperm variation; or physical connectivity as a function of structure e.g. dip, fault presence/throw/transmissibility or the presence or shape of salt bodies. To help the NSTA understand and better define migration assisted storage potential on the UKCS, it is first necessary to understand boundaries or constraints that impact plume behaviour. This project aims to determine, under defined geological conditions ("scenarios"), subsurface factors that influence or control the behaviour of CO2 injected into an unconfined, saline aquifer. Using subsurface concepts relevant to the offshore UKCS and under defined geological conditions, we seek to run simulations using representative fluid properties of CO2 to investigate the subsurface factors that most influence or control the behaviour of migrating CO2. In detail, the NSTA expects that any proposal would incorporate, but not be limited to consideration of: • Define and run a series of experimental simulations that could represent the primary controlling factors in plume behaviour when CO2 is injected into an unconfined saline aquifer offshore e.g. plume behaviours within a laterally and vertically heterogenous braided channel sequence where dip is opposed to the main depositional trend. • What are the most important geological parameters that could be considered in scenario testing to understand plume behaviour e.g. what has a higher relative impact on plume behaviour - dip or facies variation? • How might a migrating CO2 plume interact with top and bottom sealing units and what are the implications for plume behaviour?