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Collaborating Authors
Curtin University
Tim Dean is a specialist project geoscientist for Anglo American Steel Making Coal in Australia. He graduated from Curtin University with a BSc in Geophysics in 1998 and worked in onboard marine data processing for a year for Western Geophysical before returning to Curtin University to complete his Honors followed by a PhD in Physics at the University of New South Wales. He then enjoyed an extensive career within WesternGeco and SLB working in a variety of roles including field operations, software development, and research located in Saudi Arabia, England, Norway, and Australia. His final position within SLB was as principal research geophysicist at the Schlumberger Fibre-Optic Technology Centre working on Distributed Acoustic Sensing. He then joined HawkEye Technology (a division of Sony) as a project advisor before returning to Australia in 2016 to join the Department of Exploration Geophysics at Curtin University.
- Oceania > Australia > New South Wales (0.30)
- Europe > United Kingdom > England (0.30)
- Asia > Middle East > Saudi Arabia (0.30)
Maxim Lebedev is a Professor at Curtin University, Australia. Maxim was awarded BS, MS and PhD degrees from the Moscow Institute (State University) of Physics and Technology in Russia. He has over 30 years of research experience in physics, material science and rock physics working at leading research organizations in Russia, Japan, New Zealand, and Australia. For more than eight years Maxim was actively involved in the pioneering research on the Aerosol Deposition method at the National Institute of Advanced Industrial Science and Technology, Japan, in which he developed a unique way to deposit ceramics at room temperature. He joined Curtin University in 2007 and became the head of the experimental rock physics program. Using innovative methods, Maxim has built from scratch a rock physics laboratory, which became the world-leading rock physics laboratory.
Boris Gurevich has an MSc in Exploration Geophysics from Moscow State University (1976) and a PhD from Institute of Geosystems, Moscow, Russia (1988), where he began his research career (1981–1994). In 1995–2000 he was a research scientist at the Geophysical Institute of Israel, where he focused mainly on diffraction imaging problems. Since 2001, he has been a professor of geophysics at Curtin University and advisor to CSIRO (Perth, Western Australia). At Curtin he has served as Head of Department of Exploration Geophysics (2010–2015) and since 2004 as Director of the Curtin Reservoir Geophysics Consortium. He has served on editorial boards of Geophysics, Journal of Seismic Exploration, and Wave Motion.
- Asia (0.71)
- Europe > Russia > Central Federal District > Moscow Oblast > Moscow (0.47)
- Oceania > Australia > Western Australia > Perth (0.35)
- Information Technology > Knowledge Management (0.40)
- Information Technology > Communications > Collaboration (0.40)
Ten students from three universities in Australia were awarded 2022 Scholarships by the SPE Western Australia Section (SPE WA). They come from the University of Western Australia, Curtin University, and Edith Cowan University and were shortlisted for the award after submitting a 1-minute video describing why they believed the industry will still require petroleum/energy engineers until 2050 and beyond. Each of the awardees receives $2,000. The judges of the program were Mike Dworkin, Nick Last, and Brian Twomey. Scholarship has been one of the important programs of the section to expand the pipeline of engineers considering a career in E&P, connecting students to the industry, and promoting the value of student membership in SPE.
Michael Song, a final year petroleum engineering student at Curtin University, Perth, Australia, and 2016 president of the Curtin University SPE chapter won the Orica Mining, Oil, and Gas Award in the GradConnection's Top 100 Future Leaders competition. GradConnection is a recruitment platform that links students and graduates to employment opportunities. On winning the award, Song said on the GradConnection website, "I am an individual who strives toward excellence in all aspects of my life. Within my studies I have demonstrated excellence through receipt of the Society of Petroleum Engineers (SPE) Western Australia Scholarship in 2015 and selection to represent the Science & Engineering Department at Curtin University on a short exchange program in Germany earlier this year. This experience allowed me to develop an appreciation for diversity, an insight into the European lifestyle, and professional practices and the ability to overcome language and cultural barriers to communicate effectively. Outside of my studies, I have held numerous executive positions in the SPE chapter at Curtin University over the past 3 years. Through my involvement with the chapter I have proved my leadership capabilities and believe I will continue to do so when I enter the mining, oil, and gas industry in the future."
Acoustic Approach to Determine Biot Effective Stress Coefficient of Sandstone Using True Triaxial Cell (TTSC)
Salemi, H. (Curtin University, WASM: Minerals, Energy and Chemical Engineering) | Nourifard, N. (University of Western Australia, Faculty of Engineering, Computing & Mathematics) | Iglauer, S. (Edith Cowan University, School of Petroleum Engineering) | Sarmadivaleh, M (Curtin University, WASM: Minerals, Energy and Chemical Engineering)
Pore pressure change affects the stresses distribution and associated strains within the reservoir rocks. Applying poroelastic theory, the coupling of pore pressures and stresses can be represented by the ratio of horizontal stresses over pore pressure changes (i.e. stress path). Likewise, the stress path ratio is a function of Biot's coefficient, dynamic and elastic properties of rocks, and reservoir shape. Stress path ratio can be estimated through analytical, experimental, and numerical approaches. In this study, the dynamic properties of the dry and brine-saturated cubic of Gosford sandstone was measured using a true triaxial stress cell (TTSC). TTSC was equipped with ultrasonic acoustic sensors. Mechanical properties of the sample such as Young's modulus, shear modulus, bulk modulus and Poisson's ratio were obtained. Then the sample was loaded hydrostatically in TTSC with an initial pore pressure. Compressional wave velocities were recorded during any stress increments to estimate the Biot's coefficient based on empirical equations. The study has resulted in various trends for stress paths under different loading conditions. 1. INTRODUCTION Poroelasticity is very important in the application of geomechanics, especially in the oil and gas industry (Hillis, 2000). Basically, the poroelasticity concept represents the coupling of stresses and strains with pore pressure while the volume of fluids is changing in the pore space of the rock. A reasonable number of studies has been published to determine poroelastic parameters such as Skmepton's and Biot's coefficient (Prasad & Manghnani, 1997, He et al., 2016, Christensen & Wang, 1985, Winkler & Nur, 1982, Todd & Simmons, 1972, Laurent et al., 1993, Chang et al., 2006, Salem, 2001, Franquet & Abass, 1999). Effective stress (σ') and pore pressure (Pp) are related to total stresses (σ) by a factor called Biot (α) (Biot, 1941). (equation) This factor can be measured using both static and dynamic approaches. In the static method, matrix and bulk compressibility of the sample must be determined as it is shown in equations 2 and 3. If the matrix has very low porosity, the compressibility of matrix and bulk are equal and the Biot's coefficient approaches to zero (Franquet & Abass, 1999).
- North America > United States (0.70)
- Oceania > Australia > Western Australia (0.47)
- Geology > Geological Subdiscipline > Geomechanics (1.00)
- Geology > Rock Type > Sedimentary Rock > Clastic Rock > Sandstone (0.64)
ABSTRACT This article lists contributors to this issue and provides brief biographies of them.
- Asia > Middle East (1.00)
- North America > United States > Texas (0.68)
- Europe > Russia > Central Federal District > Moscow Oblast > Moscow (0.45)
- (2 more...)
- Geophysics > Seismic Surveying > Seismic Processing (1.00)
- Geophysics > Seismic Surveying > Passive Seismic Surveying (0.90)
- Geophysics > Seismic Surveying > Seismic Modeling > Velocity Modeling > Seismic Inversion (0.49)
ABSTRACT Slim line geophone suitable for VSP (vertical seismic profiling) surveys are expensive and therefore not readily available. There are alternatives to the geophone that include the passively coupled hydrophone and distributed acoustic sensor (DAS) that can potentially be more cost effective at the expense of data quality. The DAS may also be physically coupled (if installed with the borehole casing), which yields data of similar quality to the geophone, but at a higher operating cost. VSP surveys were conducted in a test borehole to quantify the trade-offs in data quality of all three types of receiver. The surveys showed that the hydrophone has the ability to record a time depth curve and amplitude decay curve that resembles that of the geophone, but is much more affected by tube wave noise. The DAS receivers have the ability to record a time depth curve that closely resembles that of the geophone, but the recorded amplitudes are affected due to their directionally dependent sensitivity. Presentation Date: Tuesday, September 26, 2017 Start Time: 8:30 AM Location: 371A Presentation Type: ORAL
Influence of Wettability on Residual Gas Trapping and Enhanced Oil Recovery in Three-Phase Flow: A Pore-Scale Analysis by Use of Microcomputed Tomography
Iglauer, Stefan (Curtin University) | Rahman, Taufiq (Curtin University) | Sarmadivaleh, Mohammad (Curtin University) | Al-Hinai, Adnan (Curtin University) | Fernø, Martin A. (University of Bergen) | Lebedev, Maxim (Curtin University)
Summary We imaged an intermediate-wet sandstone in three dimensions at high resolution (1–3.4 µm) with X-ray microcomputed tomography (micro-CT) at various saturation states. Initially the core was at connate-water saturation and contained a large amount of oil (94%), which was produced by a waterflood [recovery factor Rf = 52% of original oil in place (OOIP)] or a direct gas flood (Rf = 66% of OOIP). Subsequent waterflooding and/or gasflooding (water-alternating-gas process) resulted in significant incremental-oil recovery (Rf = 71% of OOIP), whereas a substantial amount of gas could be stored (approximately 50%)—significantly more than in an analog water-wet plug. The oil- and gas-cluster-size distributions were measured and followed a power-law correlation N ∝ V−τ , where N is the frequency with which clusters of volume V are counted, and with decays exponents τ between 0.7 and 1.7. Furthermore, the cluster volume V plotted against cluster surface area A also correlated with a power-law correlation A ∝ Vp, and p was always ≈ 0.75. The measured τ- and p-values are significantly smaller than predicted by percolation theory, which predicts p ≈ 1 and τ = 2.189; this raises increasing doubts regarding the applicability of simple percolation models. In addition, we measured curvatures and capillary pressures of the oil and gas bubbles in situ, and analyzed the detailed pore-scale fluid configurations. The complex variations in fluid curvatures, capillary pressures, and the fluid/fluid or fluid/fluid/fluid pore-scale configurations (exact spatial locations also in relation to each other and the rock surface) are the origin of the well-known complexity of three-phase flow through rock.
- Europe (1.00)
- North America > United States > California (0.28)
- Geology > Mineral (0.93)
- Geology > Rock Type > Sedimentary Rock > Clastic Rock (0.36)