Cross-Well Seismology: A New Production Tool

B. N. P. Paulsson, R. T. Langan

Indonesian Petroleum Association

... tomography. The purpose of the inversion is to construct a velocity model or models whose traveltimes are in close agreement with the observed...

Reflection waveform inversion assisted by full-wavefield imaging

Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

... with a reflection-based tomography. Such combination of the methods is also known as reflection waveform inversion (R-FWI). The R-FWI approach relies...

Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... is done using a velocity model extracted from traveltime tomography of perforation shots or using well log velocities. These velocities will be quite...

Time lapse in-hole electrical resistivity surveying during a shallow release of CO2 gas: Harvey, Western Australia

Brett Harris, Alex Costall, Hoang Nguyen, Karsten Michael, Ludovic Ricard, Barry Freifeld, Arsham Avijegon, Andrew Pethick

Petroleum Exploration Society of Australia (PESA)

...., and Schütt, H., 2012, Surface-downhole electrical resistivity tomography applied to monitoring of CO2 storage at Ketzin, Germany, Geophysics, 77, No. 6; P...

Automated velocity modeling with domain transformations

Kevin Gullikson, Arnab Dhara, Ram Tuvi, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the initial velocity model comes from refraction tomography (Taillandier et al. 2007, 2009), a nonlinear optimization method that itself requires...

P-wave velocity inversion with average velocity analysis method

Yan Yuefeng, Jing Shaodong, Wang Yingwei, Zhong Chuhan

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity directly from the dispersion data. Although the P-wave velocity can be obtained through other methods such as first-arrival tomography (Hu et al...

Land FWI in the Sultanate of Oman: Challenges and advances on the road to high-resolution velocity

Mohammad Sheryar Farooqui, Yonghe Guo, Azza Al Hasni

International Meeting for Applied Geoscience and Energy (IMAGE)

... preparation of the input velocity model included updates from MWI, well information, and accurate reflection-based tomography. A more accurate input model...

The Elastic Moduli Change After Carbon Dioxide Flooding Into Limestone: An Experimental Study

Yihuai Zhang, Maxim Lebedev, Mohammad Sarmadivaleh, Hongyan Yu, Stefan Iglauer

Unconventional Resources Technology Conference (URTEC)

... conditions with different injection rates to simulate the res different formation parts in the real storage sites. The X-ray computed tomography (CT...

Application of Full Waveform Inversion to Resolve an Eroded Shallow Carbonate Platform, North Madura, East Java, Indonesia

David Cavalin, Nurrul Ismail, Tom Paten, Kola Agbebi, Dave Lim

Indonesian Petroleum Association

... reflection tomography techniques provide long to mid wavelength velocity updates but generally fail in updating shallow water environments while giving...

Hypogene Evaporite Karst Geohazards: Implications for Energy Sector Infrastructure in the Delaware Basin, USA

K. W. Stafford, W. A. Brown, L. D. Perkins

GCAGS Transactions

... field surveys with geographic information system and geophysical remote sensing analyses. Electrical resistivity tomography has been successfully...

Sieve Analysis as Tomography

William Menke

Journal of Sedimentary Research (SEPM)

...Sieve Analysis as Tomography William Menke 1984 Vol. 54 No. 4. (December), Sieve analysis can be used to determine the size and shape distribution...

ABSTRACT: 3D Characterisation of Potential CO&sub2; Reservoir and Seal Rocks, by Golab, Alexandra; Romeyn, Rowan; Averdunk, Holger; Knackstedt, Mark; Senden, Tim; #90155 (2012)

Search and Discovery.com

The Evolution of FWI and its Perceived Benefits

Tony Martin, Andrew Long

Australian Petroleum Production & Exploration Association (APPEA) Journal

... the comparative merits of reflection and refraction travel time tomography. Traditional reflection travel time tomography typically uses measurements from common...

Technical De-Risking of a Demonstration CCUS Project for Final Investment Decision in Australia

Mohammad Bagheri, Roman Pevzner, Charles Jenkins, Matthias Raab, Paul Barraclough, Max Watson, Tess Dance

Australian Petroleum Production & Exploration Association (APPEA) Journal

... monitoring using well-based distributed acoustic sensors and pressure tomography. CO2CRC’s Otway Stage 3 Project is aiming to validate these techniques...

Paleoheat Flux and Thermal Maturity from Distributions of Fission Tracks in Apatite

Z. He, I. Lerche

Rocky Mountain Section (SEPM)

... indicator tomography: Mathematical Geology, v. 21, p. 523–542. Laslett, G.M., Kendall, W.S., Gleadow, A.J.W., and Duddy, I.R., 1982, Bias in measurement...

DL-fused elastic FWI: Application to marine streamer data

Pavel Plotnitskii, Oleg Ovcharenko, Vladimir Kazei, Daniel Peter, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... tomography). Our method relies on full-waveform inversion for constructing input for CNN. Therefore, the technique requires a significant amount...

Reviving an old Buffalo - Breathing new life into an old dataset with modern technology

R. McGee, H. Debenham, P. Hoiles, A. O'Neill, J. Miller, A. Padman

Petroleum Exploration Society of Australia (PESA)

... in imaging means an accurate, shallow velocity model is very challenging to build using travel-time based tomography. Figure 4 shows an example of two...

Geological Facies Prediction Using Computed Tomography in a Machine Learning and Deep Learning Environment

Uchenna Odi, Thomas Nguyen

Unconventional Resources Technology Conference (URTEC)

...Geological Facies Prediction Using Computed Tomography in a Machine Learning and Deep Learning Environment Uchenna Odi, Thomas Nguyen URTeC: 2901881...

Seismic Technology Evolution to Support Prospect Evaluation, Exploration Well, and Geological Appraisal

Frederic J. Billette, Yan Quist

GCAGS Transactions

... elimination), from vertical update to 3D Tomography, and on to a complete subsalt velocity estimation sequence, isotropic to anisotropic imaging and from...

Diagenetic control of deformation mechanisms in deformation bands in a carbonate grainstone

Alexander Rath, Ulrike Exner, Cornelius Tschegg, Bernhard Grasemann, Richard Laner, Erich Draganits

AAPG Bulletin

... to 35% in the host rock to 2 to 5% in the deformation bands by microcomputed tomography and conventional helium porosimetry. Permeability is reduced...

Swelling-induced self-sealing mechanism in fractured cap rock: Implications for carbon geosequestration

Hongyan Yu, Yihuai Zhang, Maxim Lebedev, Kun Meng, Sisi Chen, Michael Verrall, Lukman Johnson, and Stefan Iglauer

AAPG Bulletin

... fractured cap rock shale samples before and after supercritical CO2 injection via x-ray micro computed tomography at high resolution in three...

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... using reflection tomography. This approach has become the preferred method for velocity model building in recent years. Stork presents a method...

Influence of Wettability on Residual Gas Trapping and Enhanced Oil Recovery in Three-Phase Flow: a Pore-Scale Analysis using Micro-Computed Tomography; #41353 (2014)

S. Iglauer, M. Sarmadivaleh, M. Lebedev, and M. Ferno

Search and Discovery.com

... Tomography; #41353 (2014) S. Iglauer, M. Sarmadivaleh, M. Lebedev, and M. Ferno Influence of Wettability on Residual Gas Trapping and Enhanced Oil Recovery...

Using x-ray computed tomography to estimate hydrate saturation in sediment cores from Green Canyon 955, northern Gulf of Mexico

Emma A. Oti, Ann E. Cook, Stephen C. Phillips, and Melanie E. Holland

AAPG Bulletin

...Using x-ray computed tomography to estimate hydrate saturation in sediment cores from Green Canyon 955, northern Gulf of Mexico Emma A. Oti, Ann E...

Getting it Right the First Time in the Ceduna Sub-Basin: Regional and Target Depth Imaging in a Frontier Setting

Weidi Koh

Australian Petroleum Production & Exploration Association (APPEA) Journal

...-coherent noise and the ability to account for multipathing (Sherwood et al. 2008). Wavelet-shift tomography (PGS hyperTomo) uses the inherent beamlet...