Stress Field Interactions Between Overlapping Shield Volcanoes: Borehole Breakout Evidence From the Island of Hawai'i, USA

Pierdominici, S.; Millett, John; Kück, Jochem; Thomas, Donald M.; Jerram, Dougal A.; Haskins, Eric; Lautze, Nicole; Galland, Olivier

doi:10.1029/2020jb019768

Cited by 11 publications

(9 citation statements)

References 85 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Stress variations within fault zones have broad impacts on relevant scientific and engineering applications, such as fault activation (Faulkner et al., 2006), hydraulic fracture propagation (Gudmundsson et al., 2010; Z. Zhang & Ghassemi, 2011), and magmatic diking and volcano eruption (Gudmundsson et al., 2010; Heap et al., 2009; Pierdominici et al., 2020). In the context of hydraulic stimulation in enhanced geothermal systems and/or unconventional hydrocarbon reservoirs, stress variations within fault zones can affect the trajectory, pattern, propagation extent, and conductivity of hydraulic fractures.…”

Section: Discussionmentioning

confidence: 99%

“…On the other hand, systematic stress variations have also been observed near fault zones at reservoir scales (Obara & Sugawara, 2003; Tamagawa & Pollard, 2008; Yale, 2003) and tectonic scales (Lin et al., 2010; Zoback et al., 1987). Typically, such observations can be inferred from earthquake focal mechanisms (Hardebeck & Hauksson, 1999; Provost & Houston, 2001) or at finer resolutions from borehole observations, such as breakouts and drilling‐induced tensile fractures (Lucier et al., 2009; Pierdominici et al., 2020; Townend & Zoback, 2004; Zoback et al., 2003).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Fault Zone Spatial Stress Variations in a Granitic Rock Mass: Revealed by Breakouts Within an Array of Boreholes

Zhang

Bröker

et al. 2023

JGR Solid Earth

View full text Add to dashboard Cite

The in situ stress state within fault zones is technically challenging to characterize. At the Bedretto Underground Laboratory in the Swiss Alps, the breakouts observed in an array of eight inclined boreholes penetrating a fault zone offer a unique opportunity to characterize the fault‐associated spatial stress variations. Synthesizing multiple geophysical logs, natural geologic structures intersecting these boreholes are identified, revealing a hierarchy of a major fault zone along with secondary structures. Within the boreholes, breakout rotations occur over multiple scales, spanning individual fractures and the entire major fault zone. We first estimate and rule out the effect of the fracture‐induced anisotropy on the breakout rotations, which are attributed mainly to the stress variations. Based on the stress field around a circular borehole and Mohr‐Coulomb failure criterion, the observed breakout azimuths are used to invert the stress information. Results show that the stress field outside the fault zone features a stress ratio (quantifying the relative stress magnitude) of about 0.9, an inclined overburden stress (inclination: 12°∼18°), and a maximum horizontal principal stress (SHmax) oriented N100∼120°E. Within the fault zone, a substantial reduction of the stress ratio and complicated stress rotations are constrained, likely induced by the stress drop on local fractures. As a result, less critical stress state inside the major fault zone is expected. Our work provides a semi‐quantitative estimation of the in‐situ stress variations around fault zones in the absence of direct stress measurements, which is beneficial to a number of scientific and engineering applications.

show abstract

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fault Zone Spatial Stress Variations in a Granitic Rock Mass: Revealed by Breakouts Within an Array of Boreholes

Zhang

Bröker

et al. 2023

JGR Solid Earth

View full text Add to dashboard Cite

show abstract

“…The interpretation of volcanic sequences in the sub‐surface is integral for many disciplines ranging from petroleum systems (Jiang et al., 2017; Penna et al., 2019; Schutter, 2003), geothermal energy (Eidesgaard et al., 2019; Massiot et al., 2015), carbon capture and storage (Matter et al., 2016; McGrail et al., 2011), natural gas storage (Reidel et al., 2002), aquifer understanding and management (Burns et al., 2012; Thomas et al., 1996), stress state and stability measurements (Pierdominici et al., 2020; Schiffman et al., 2006), through to numerous scientific research applications (Jerram et al., 2019; Schiffman et al., 2006; Teagle et al., 2012). In many sub‐surface investigations, only single ‘exploration’ wells are drilled, however, typically where geothermal or hydrocarbon reservoirs are appraised and developed, several boreholes in relatively close proximity enable a deeper investigation of the two‐ and three‐dimensional nature of volcanic sequences.…”

Section: Discussionmentioning

confidence: 99%

The Rosebank Field, NE Atlantic: Volcanic characterisation of an inter‐lava hydrocarbon discovery

et al. 2021

Self Cite

View full text Add to dashboard Cite

The Rosebank Field is located in the Faroe-Shetland Basin and hosts hydrocarbons within siliciclastic sediments interlayered with volcanic packages of the Late Paleocene to Early Eocene aged Flett Formation. Within this study the volcanic sequences are investigated based on an integrated appraisal of available drill cuttings, sidewall cores, core and wireline logs including image log and geochemical logs from eight wells supported by 3D seismic data. The Rosebank lower (RLV), middle (RMV) and upper (RUV) volcanic sequences are inter-layered with Colsay Member (C1-C4) fluvial to shallow marine siliciclastic intervals. A comprehensive cross-field borehole based lithofacies interpretation is presented characterising simple, compound and ponded effusive lava flow facies along with pillow lavas, invasive lava flows, volcaniclastic sediments and complex lava-sediment interactions.Geochemical analyses of core, sidewall core, and hand-picked cuttings spanning the field reveal separate high-titanium (RHT) and relatively lower-titanium (RLT) basaltic magma suites. These compositions can be identified and correlated across much of the field utilising geochemical logging data which, in combination with the geochemical analyses, reveals a two-part stratigraphic sub-division of each of the RLV, RMV and RUV. Geochemical logging data is also used to define a volcanic proxy (Fe/10+Ti) which utilises the elevated iron (Fe) and titanium (Ti) within all effusive and volcaniclastic basaltic lithologies to differentiate siliciclastic from volcaniclastic sediments where other logging parameters overlap. By comparing the borehole analyses with seismic data, a localised eruptive vent is interpreted within the north of the field. Finally, a cross-field volcanic model is presented and compared with relevant global field analogues, providing a constrained spatial framework for sub-surface modelling of inter-volcanic sequences.

show abstract

“…However, these models are specifically designed for the circular borehole. Field logging data shows that circular boreholes can deform due to stress and mechanical anisotropy (Figure 1) (Zoback et al, 2003;Pierdominici et al, 2020;Han et al, 2021). Various studies have investigated the effects of borehole deformation.…”

Section: Introductionmentioning

confidence: 99%

Fracture initiation pressure prediction of hydraulic fracturing for layered reservoirs considering borehole deformation

Wang,

Niu

et al. 2024

Front. Earth Sci.

View full text Add to dashboard Cite

Accurately predicting fracture initiation pressure is crucial for successfully applying hydraulic fracturing technology in layered reservoirs. However, existing models overlook the effects of rock anisotropy and borehole deformation. In this study, we simplified the layered reservoir to a transversely isotropic medium and developed a model to estimate borehole deformation precisely. Based on this estimated deformation, we created a model to predict fracture initiation pressure in hydraulic fracturing. By comparing previous models and experimental data, we validated the effectiveness of these proposed models. We examined the impacts of various factors on borehole deformation, fracture initiation pressure, and initiation angle. The results revealed that circular boreholes in layered reservoirs deform into elliptical boreholes under in situ stress, with the major axis not aligning with the principal stress direction, which highlights the significant impact of rock anisotropy on borehole deformation. Furthermore, the fracture initiation pressure of hydraulic fracturing either increases or decreases following borehole deformation, depending on specific geological parameters. The calculated initiation angle after borehole deformation is within 10°, closer to previous experimental results, underscoring the notable effect of borehole deformation on hydraulic fracturing. Our research indicates that the impact of borehole deformation on hydraulic fracturing is significant and should not be overlooked. This finding will offer fresh avenues for further study in the field of hydraulic fracturing.

show abstract

Stress Field Interactions Between Overlapping Shield Volcanoes: Borehole Breakout Evidence From the Island of Hawai'i, USA

Cited by 11 publications

References 85 publications

Fault Zone Spatial Stress Variations in a Granitic Rock Mass: Revealed by Breakouts Within an Array of Boreholes

Fault Zone Spatial Stress Variations in a Granitic Rock Mass: Revealed by Breakouts Within an Array of Boreholes

The Rosebank Field, NE Atlantic: Volcanic characterisation of an inter‐lava hydrocarbon discovery

Fracture initiation pressure prediction of hydraulic fracturing for layered reservoirs considering borehole deformation

Contact Info

Product

Resources

About