Geomechanical analysis of the Naylor Field, Otway Basin, Australia: Implications for CO2 injection and storage

Vidal-Gilbert, S.; Tenthorey, Eric; Dewhurst, D.; Ennis‐King, Jonathan; Ruth, P.; Hillis, Richard R.

doi:10.1016/j.ijggc.2010.06.001

Cited by 103 publications

(40 citation statements)

References 27 publications

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“…Streit and Hillis 2004;Soltanzadeh and Hawkes 2009;Selvadurai 2009;Mathias et al 2010;Rohmer and Olivier 2010) or numerical multiphase flow models linked with analytical geomechanical models (e.g. Lucier et al 2006;Chiaramonte et al 2008;Vidal-Gilbert et al 2010) can also be useful for first-order analysis and quick assessment of CO 2 injection-site suitability.…”

Section: Coupled Flow and Geomechanical Models For Gcsmentioning

confidence: 99%

“…These include the Mountaineer project, West Virginia (Lucier et al 2006), the Teapot Dome Pilot Field, Wyoming (Chiaramonte et al 2008(Chiaramonte et al , 2011b, the Dogger Carbonates of the Paris Basin (Vidal-Gilbert et al 2009), a petroleum onshore field, Brazil (Mendes et al 2010), the In Salah CO 2 storage project, Algeria (Rutqvist et al 2010;Bissell et al 2011;Morris et al 2011a, b: Baroni et al 2011Fokker et al 2011), the Po River plain, Northern Italy (Ferronato et al 2010), an offshore gas field in the Dutch sector of the North Sea (Orlic et al 2011), Snøhvit, Barents Sea (Chiaramonte et al 2011a); Otway, Australia (Vidal-Gilbert et al 2010), and Ketzin, Germany (Ouellet et al 2011). The majority of these analyses show that CO 2 injection may induce fault reactivation depending on the applied injection pressure, but there are great uncertainties in the in situ stress field as well as in the assumed strength of fault properties.…”

Section: Potential Fault Reactivation and Notable Seismic Eventsmentioning

confidence: 99%

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The Geomechanics of CO2 Storage in Deep Sedimentary Formations

2012

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This paper provides a review of the geomechanics and modeling of geomechanics associated with geologic carbon storage (GCS), focusing on storage in deep sedimentary formations, in particular saline aquifers. The paper first introduces the concept of storage in deep sedimentary formations, the geomechanical processes and issues related with such an operation, and the relevant geomechanical modeling tools. This is followed by a more detailed review of geomechanical aspects, including reservoir stressstrain and microseismicity, well integrity, caprock sealing performance, and the potential for fault reactivation and notable (felt) seismic events. Geomechanical observations at current GCS field deploy-

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Section: Coupled Flow and Geomechanical Models For Gcsmentioning

confidence: 99%

Section: Potential Fault Reactivation and Notable Seismic Eventsmentioning

confidence: 99%

The Geomechanics of CO2 Storage in Deep Sedimentary Formations

2012

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“…The CO 2 storage site is located in the Naylor gas field, which was described in Vidal- Gilbert et al [2010]. Storage is in the late Cretaceous Waarre Formation that has been proven to be able to hold a methane-rich gas accumulation over geological timescales.…”

Section: Geological Settingmentioning

confidence: 99%

“…The Naylor field is bound to the west by the north-south trending normal Naylor Fault. According to Vidal-Gilbert et al [2010], its throw is too small to compromise the seal integrity of the Belfast mudstone seal formation above it. In a 3-D P wave data set the throw is estimated to be 225 m. This fault is thought to be the reservoir pivot because it marks the boundary in the updip direction.…”

Section: Geological Settingmentioning

confidence: 99%

Near‐surface fault detection using high‐resolution shear wave reflection seismics at the CO2CRC Otway Project site, Australia

et al. 2016

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High‐resolution, near‐surface, shear wave reflection seismic measurements were carried out in November 2013 at the CO2CRC Otway Project site, Victoria, Australia, with the aim to determine whether and, if so, where deeper faults reach the near subsurface. From a previous P wave 3‐D reflection seismic data set that was concentrated on a reservoir at 2 km depth, we can only interpret faults up to 400 m below sea level. For the future monitoring in the overburden of the CO2 reservoir it is important to know whether and how the faults continue in the subsurface. We prove that two regional fault zones do in fact reach the surface instead of dying out at depth. Individual first‐break signatures in the shot gathers along the profiles support this interpretation. However, this finding does not imply perforce communication between the reservoir and the surface in the framework of CO2 injection. The shear wave seismic sections are complementary to existing P wave volumes. They image with high resolution (better than 3 m vertically) different tectonic structures. Similar structures also outcrop on the southern coast of the Otway Basin. Both the seismic and the outcrops evidence the complex youngest structural history of the area.

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“…South Australia; Hillis et al 1995) to c. 1378N in the eastern Otway Basin (i.e. Victoria; Nelson et al 2006;Vidal-Gilbert et al 2010;Fig. 2).…”

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confidence: 99%

Quantifying Neogene plate-boundary controlled uplift and deformation of the southern Australian margin

Tassone

Holford

Hillis³

et al. 2012

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Parts of the Australian continent, including the Otway Basin of the southern Australian margin, exhibit unusually high levels of neotectonic deformation for a so-called stable continental region. The onset of deformation in the Otway Basin is marked by a regional Miocene-Pliocene unconformity and inversion and exhumation of the Cretaceous-Cenozoic basin fill by up to c. 1 km. While it is generally agreed that this deformation is controlled by a mildly compressional intraplate stress field generated by the interaction of distant plate-boundary forces, it is less clear whether the present-day record of deformation manifested by seismicity is representative of the longer-term geological record of deformation. We present estimates of strain rates in the eastern Otway Basin since 10 Ma based on seismic moment release, geological observations, exhumation measurements and structural restorations. Our results demonstrate significant temporal variation in bulk crustal strain rates, from a peak of c. 2 × 10 216 s 21 in the Miocene-Pliocene to c. 1.09 × 10 217 s 21 at the present day, and indicate that the observed exhumation can be accounted for solely by crustal shortening. The Miocene-Pliocene peak in tectonic activity, along with the orthogonal alignment of inverted post-Miocene structures to measured and predicted maximum horizontal stress orientations, validates the notion that plate-boundary forces are capable of generating mild but appreciable deformation and uplift within continental interiors.

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Geomechanical analysis of the Naylor Field, Otway Basin, Australia: Implications for CO2 injection and storage

Cited by 103 publications

References 27 publications

The Geomechanics of CO2 Storage in Deep Sedimentary Formations

The Geomechanics of CO2 Storage in Deep Sedimentary Formations

Near‐surface fault detection using high‐resolution shear wave reflection seismics at the CO2CRC Otway Project site, Australia

Quantifying Neogene plate-boundary controlled uplift and deformation of the southern Australian margin

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