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Task 5: Tracer technology

These are the projects in Task 5.

Project title: Development and testing of nanoparticles as tailor-made tracers for improved reservoir description and for measurement of defined reservoir properties
Project manager: Tor Bjørnstad (IFE)
Objective: To develop nanoparticles to be used in interwell examinations for: 1. improved reservoir description, and 2. measurement of reservoir properties such as residual oil saturation in the swept zone between wells

Project title: Single-Well Chemical Tracer Technology, SWCTT, for measurement of SOR and efficiency of EOR methods
Project manager: Tor Bjørnstad (IFE)
Objective: To develop new tracers with specially high analytical sensitivity using light- or laser-induced fluorescence for 1. Measuring SOR in the near-well zone to 5-10 meters from the well. 2. Measuring the efficiency of various EOR methods by applying the principle in point 1 before and after an EOR campaign has been implemented in the well.

Project title: Development of water/oil partitioning tracers for determination of residual oil saturation in the interwell region (PhD project)
Project manager(s): Mario Silva (UiS), Tor Bjørnstad (IFE), Svein Skjæveland (UiS)
Objective: Development of new oil/water partitioning tracers for partitioning interwell tracer tests (PITT) to measure remaining oil saturation in the flooded reservoir regions.

Project title: Nanoparticle tracers for petroleum reservoir studies
Project manager: To be decided
Objective: The main objective is twofold: Further development of C-dots for detection of high-permeability streaks/fractures between injection and production wells, and development of nanoparticles as simultaneous carriers, hereafter called nanocarriers, of passive and phase-partitioning tracers in single-well measurement of residual oil saturation in the near-well region.

Project title: Lanthanide ester complexes for SWCTT: focus on their partitioning behaviour, quantification procedure and dynamic performance
Project manager: Tor Bjørnstad
Objective: Terbium complexes comprising an ester function (ethylester, butylester), designed for near-well push-and-pull operations, have been successfully synthetized within project 2.5.2. Liquid chromatography using C18 columns coupled with time-resolved fluorescence allowed separation of the different forms of the complexes with high specificity. However, results from static batch experiments to measure partition coefficients at room temperature and 80°C using two different model oils (different polarities) and a crude oil from the Norwegian continental shelf were not in accordance with the chromatographic findings with the C18 column. This discrepancy will be subject for further examination in the new project.
The second objective of the new project is to perform core-flooding experiments the first at IFE core-flooding setups and then extended to larger-scale laboratory facilities now being built-up at Halliburton’s premises in Tananger.

Project title: Dynamic flooding properties of new PITT tracers
Project manager: Tor Bjørnstad 
Objective: To examine the dynamic flooding properties of new PITT tracer compounds. These compounds were
developed and studied for thermal and chemical stability, stability against sorption to rock and water-oil partitioning in a recent PhD-project (2.5.3).

  • Arne Stavland

    Task 1: Core scale

    Task leader: Arne Stavland, NORCE

    The aim of this task is to design novel experiments on core scale and develop models that capture the transport mechanisms observed. The deliverables of this task will be chemical systems that can improve the microscopic and microscopic sweep on clastic and chalk fields.

    Read more about the projects in Task 1 here

  • Udo Zimmermann

    Task 2: Mineral fluid reactions at nano/submicron scale

    Task leader: Udo Zimmermann, UiS

    The research focuses on rock-fluid interactions when injecting fluids into rock formations, clastic or chemical sedimentary rocks. We use electron microscopy, Raman spectroscopy, specific surface area measurements and X-Ray Diffraction for further investigations of EOR related experiments. The geology of the hydrocarbon bearing formations plays a significant role.

    Read more about the projects in Task 2 here

  • Espen Jettestuen

    Task 3: Pore scale

    Task leader: Espen Jettestuen, NORCE

    The focus in this task is to study the interplay between fluid transport, mineral reactions and oil recovery in reservoir rocks at pore scale. The main aspects are to identify the mechanisms that influence transport and reactions on the pore scale using experiments and numerical modeling, and then to evaluate if these mechanisms are important on the core scale.

    Read more about the projects in Task 3 here

  • Aksel Hiorth

    Task 4: Upscaling and environmental impact

    Task leader: Aksel Hiorth, UiS/NORCE

    The main objective is to translate the knowledge we have about EOR processes on core scale to field scale. The deliverables from this task will be simulation models and work flows that can be used to design IOR operations and interpret IOR implementations.

    Read more about the projects in Task 4 here

  • Tor Bjørnstad

    Task 5: Tracer technology

    Task leader: Tor Bjørnstad, IFE

    The objective is the development of tracer technology to measure reservoir properties and (changing) conditions during production. The most important condition is the (remaining) oil saturation, either in the flooded volume between wells (interwell examinations) or in the near-well region out to some 10 m from the well (single-well huff-and-puff examinations).

    Read more about the projects in Task 5 here

  • Robert Klöfkorn

    Task 6: Reservoir simulation tools

    Task leader: Robert Klöfkorn, NORCE

    The primary objective of this task is to advance the state-of-the-art of modeling and simulation in context of reservoirs. Such advance is needed to cope with the challenges arising from scientific questions and targets of The National IOR Centre of Norway.

    Read more about the projects in Task 6 here

  • Geir Nævdal

    Task 7: Field scale evaluation and history matching

    Task leader: Geir Nævdal, NORCE

    We do history matching using 4D seismic data, tuning reservoir parameters to obtain reservoir models that are matching actual observations. We are using ensemble based methods, running with a set of different realizations of the parameter set and use statistical methods to tune the parameters. The outcome is models that are aligned with actual observations.

    Read more about the projects in Task 7 here