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Mechanical and microstructural data used in the article Pijnenburg et al., Deformation behaviour of sandstones from the seismogenic Groningen gas field: Role of inelastic versus elastic mechanisms

Cite as:

Pijnenburg, Ronald; Verberne, Berend; Hangx, Suzanne; Spiers, Christopher (2018): Mechanical and microstructural data used in the article Pijnenburg et al., Deformation behaviour of sandstones from the seismogenic Groningen gas field: Role of inelastic versus elastic mechanisms. GFZ Data Services. http://doi.org/10.5880/fidgeo.2018.005

Status

I   N       R   E   V   I   E   W : Pijnenburg, Ronald; Verberne, Berend; Hangx, Suzanne; Spiers, Christopher (2018): Mechanical and microstructural data used in the article Pijnenburg et al., Deformation behaviour of sandstones from the seismogenic Groningen gas field: Role of inelastic versus elastic mechanisms. GFZ Data Services. http://doi.org/10.5880/fidgeo.2018.005

Abstract

Hydrocarbon or groundwater production from sandstone reservoirs can result in surface subsidence and induced seismicity. Subsidence results from combined elastic and inelastic compaction of the reservoir due to a change in the effective stress state upon fluid extraction. The magnitude of elastic compaction can be accurately described using poroelasticity theory. However inelastic or time-dependent compaction is poorly constrained. We use sandstones recovered by the field operator (NAM) from the Slochteren gas reservoir (Groningen, NE Netherlands) to study the importance of elastic versus inelastic deformation processes upon simulated pore pressure depletion. We conducted conventional triaxial tests under true in-situ conditions of pressure and temperature. To investigate the effect of applied differential stress (σ1 – σ3 = 0 - 50 MPa) and initial sample porosity (φi = 12 – 25%) on instantaneous and time-dependent inelastic deformation, we imposed multiple stages of axial loading and relaxation.

The obtained data include:
1) Mechanical data obtained in conventional triaxial compression experiments performed on reservoir sandstone. In these experiments, we imposed multiple stages of active loading, each followed by 24 hours of stress relaxation.
2) Microstructural data obtained on undeformed and deformed samples.

Contact

Contributors

Experimental rock deformation/HPT-Lab (Utrecht University, The Netherlands)

Keywords

Groningen gas field, reservoir, sandstone, compressibility, microstructure, strength, crack, creep, EPOS, multi-scale laboratories, rock and melt physical properties, Density, Elasticity, Strain gauge, Strength, Triaxial, Viscosity, sand, sand_size_sediment, sediment

GCMD Science Keywords

More Metadata

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      • publisher: GFZ Data Services
      • publicationYear: 2018
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        • subject: reservoir
        • subject: sandstone
        • subject: compressibility
        • subject: microstructure
        • subject: strength
        • subject: crack
        • subject: creep
        • subject: EPOS
        • subject: multi-scale laboratories
        • subject: rock and melt physical properties
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        • subject (subjectScheme=EPOS WP16 Rock Physics Measured Property xml:lang=en): Elasticity
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      • Data_Set_Citation
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        • Dataset_Title: Mechanical and microstructural data used in the article Pijnenburg et al., Deformation behaviour of sandstones from the seismogenic Groningen gas field: Role of inelastic versus elastic mechanisms
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        • Dataset_Publisher: GFZ Data Services
        • Online_Resource: http://dx.doi.org/10.5880/fidgeo.2018.005
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        • Topic: SOLID EARTH
        • Term: ROCKS/MINERALS/CRYSTALS
        • Variable_Level_1: SEDIMENTARY ROCKS
        • Variable_Level_2: SEDIMENTARY ROCK PHYSICAL/OPTICAL PROPERTIES
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      • Keyword: Groningen gas field
      • Keyword: reservoir
      • Keyword: sandstone
      • Keyword: compressibility
      • Keyword: microstructure
      • Keyword: strength
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      • Summary
        • Abstract: Hydrocarbon or groundwater production from sandstone reservoirs can result in surface subsidence and induced seismicity. Subsidence results from combined elastic and inelastic compaction of the reservoir due to a change in the effective stress state upon fluid extraction. The magnitude of elastic compaction can be accurately described using poroelasticity theory. However inelastic or time-dependent compaction is poorly constrained. We use sandstones recovered by the field operator (NAM) from the Slochteren gas reservoir (Groningen, NE Netherlands) to study the importance of elastic versus inelastic deformation processes upon simulated pore pressure depletion. We conducted conventional triaxial tests under true in-situ conditions of pressure and temperature. To investigate the effect of applied differential stress (σ1 – σ3 = 0 - 50 MPa) and initial sample porosity (φi = 12 – 25%) on instantaneous and time-dependent inelastic deformation, we imposed multiple stages of axial loading and relaxation. The obtained data include: 1) Mechanical data obtained in conventional triaxial compression experiments performed on reservoir sandstone. In these experiments, we imposed multiple stages of active loading, each followed by 24 hours of stress relaxation. 2) Microstructural data obtained on undeformed and deformed samples.
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        • affiliation: Utrecht University, Utrecht, The Netherlands
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        • givenName: Suzanne
        • familyName: Hangx
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0003-2253-3273
        • affiliation: Utrecht University, Utrecht, The Netherlands
      • creator
        • creatorName: Spiers, Christopher
        • givenName: Christopher
        • familyName: Spiers
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0002-3436-8941
        • affiliation: Utrecht University, Utrecht, The Netherlands

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