Stephen Sayfritz

Stephen Sayfritz

Kristiansand, Agder, Norge
844 følgere Over 500 forbindelser

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Erfaring

  • Morrow Batteries grafisk

    Morrow Batteries

    Agder, Norway

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    Agder

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    Agder

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    Grimstad

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    Agder

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    Kristiansand Area, Norway

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    Oslo Area, Norway

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    Oslo Area, Norway

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    Sydney, Australia

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    Shawbury, UK

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    Shawbury, UK

Utdanning

Patenter

  • Tracers

    Arkivert GB GB2526624

    A family of organic tracers is disclosed for single well chemical tracer tests, for example for the measurement of residual oil in petroleum reservoirs. The tracers consist of at least one ester of (hydroxyalkyl) benzoic acid of formula i) wherein one of R1 to R5 is a hydroxy alkyl group -R7-0H and each of the remaining RI to R5 groups is independently selected from H, F, CI, Br, I, CF3 CF2Cl, CFCl2,CCl3 and at least one of these remaining RI to R 5 groups is not H

    Other inventors
    See patent

  • PARTICULATE TRACER MATERIALS

    Arkivert NO WO2014EP78918 20141219

    The present invention relates to tracer and/or chemical-release materials in the form of particles comprising: a) a partial outer coating comprising at least one resilient material; b) a matrix within said outer coating, said matrix comprising at least one polymeric material; c) at least one porous material encapsulated within said matrix; d) at least one tracer or chemical contained within said porous material. The invention further relates to methods for the use of such materials including…

    The present invention relates to tracer and/or chemical-release materials in the form of particles comprising: a) a partial outer coating comprising at least one resilient material; b) a matrix within said outer coating, said matrix comprising at least one polymeric material; c) at least one porous material encapsulated within said matrix; d) at least one tracer or chemical contained within said porous material. The invention further relates to methods for the use of such materials including methods for assessing the flow of fluids within a subterranean reservoir utilising one or more of such materials.

    Other inventors
    • Helge Stray
    See patent

Prosjekter

Språk

  • English

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  • Bokmål, Norwegian

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