Deep Dix: Enhancing interval velocity model estimation through adversarial regularization

Joseph Stitt, Robert Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the error to guide our velocity model updates, a task handled by the optimization solvers such as the iterative conjugate gradient method used in our...

ABSTRACT: A Generalized Inverse Method for Testing Depth-Dependent Extension Models at Highly Extended Continental Margins, by Crosby, Alistair; White, Nicky; Edwards, Glyn; Thompson, Mark; Corfield, Richard; Mackay, Laura; #90135 (2011)

Search and Discovery.com

Role of Fault Rejuvenation in Hydrocarbon Accumulation and Structural Evolution of Reconcavo Basin, Northeastern Brazil

Curtis R. Cohen

AAPG Bulletin

... striking (2) N13°W ± 6° and (3) N37°W ± 12° (1^sgr). Sets (1) and (3) are interpreted, respectively, as Riedel and conjugate Riedel shears...

Inexact alternating direction method of multipliers (InADMM) for the acceleration of l2Šl1 inverse problems

Joaquín A. Acedo, Mauricio D. Sacchi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., making a direct method impractical. Widely adopted linear algebra solvers such as conjugate gradient (CG) guarantee to find an accurate solution after...

Exploration benchmarking to establish the potential of two hydrocarbon plays in the Pelotas and Punta del Este Basins, offshore Uruguay

David A. Pollitt and Shaoqing Sun

AAPG Bulletin

... opportunities for value creation and increase the chances for a favorable outcome without any appreciable cost or risk in the application of the method...

Interpretation of a Permian conjugate basin margin preserved on the outer Northwest Shelf of Australia

Christopher A Paschke, Christopher Hurren, Gerard O'Halloran, Craig Dempsey

Petroleum Exploration Society of Australia (PESA)

...Interpretation of a Permian conjugate basin margin preserved on the outer Northwest Shelf of Australia Christopher A Paschke, Christopher Hurren...

Least-squares reverse time migration for attenuating TTI media

Xinru Mu, Tariq Alkhalifah

International Meeting for Applied Geoscience and Energy (IMAGE)

... + ( 2 + 2 ) 2 + 2 2 t  vp0 t v p 0 t    We use the conjugate-gradient method to compute the imaging result. The workflow for attenuation...

An Intensive Local Application of Lensen's Isallo Stress Theory to the Sturgeon Lake South Area of Alberta

Paul H. Lu, Adrian E. Scheidegger

CSPG Bulletin

... of fractures. The lineament-fractures generally occur in conjugate systems that cross each other at some angle of intersection. If the angles...

S-transform based processing of noisy surface wave record for recovering high-resolution spectrum

Sayan Mukherjee, Mrinal Bhaumik, Tarun Naskar

International Meeting for Applied Geoscience and Energy (IMAGE)

...eights, 𝐖m is represented as 𝑑𝑖𝑎𝑔(𝐖m ) =∣ 𝐦 ∣−1⁄2 (Trad et al., 2002, 2003). Equation (10) can be solved by the conjugate gradient algorithm (Cla...

Bayesian joint inversion of controlled source electromagnetic and magnetotelluric data to infer presence of a freshwater aquifer offshore New Jersey

Daniel Blatter, Kerry Key, Anandaroop Ray, Chloe Gustaffson, Rob Evans

Petroleum Exploration Society of Australia (PESA)

..., corroborating results from a previous study that used a regularized, gradient-based 2D inversion method. Using a combination of synthetic studies and real...

Noise suppression and compressive sensing recovery with seismic-adapted DnCNN within RED

Nasser Kazemi

International Meeting for Applied Geoscience and Energy (IMAGE)

...-backward splitting (FBS) algorithm (Combettes and Wajs, 2005). This method is also known as the proximal gradient. The non-smoothness property...

Thrusts, Backthrusts and Triangle Zones: Laramide Deformation in the Northeastern Margin of the Colorado Front Range

Eric A. Erslev, Bjorn Selvig

Rocky Mountain Association of Geologists

... which calculates an ideal 01 orientation for each fault based on the average angle between conjugate pairs. This method can discriminate different...

A New Model of Inclinometer and its Application in Determination of Attitude of Foreset Planes: RESEARCH METHOD PAPER

Prabir Dasgupta

Journal of Sedimentary Research (SEPM)

...A New Model of Inclinometer and its Application in Determination of Attitude of Foreset Planes: RESEARCH METHOD PAPER Prabir Dasgupta 1995 Vol. 65A...

Transfer Zones in the East African Rift System and Their Relevance to Hydrocarbon Exploration in Rifts (1)

C. K. MORLEY, R. A. NELSON, T. L. PATTON, and S. G. MUNN

AAPG Bulletin

...) primary subdivision of transfer zones by relative attitude and direction of throw of the major faults (synthetic and conjugate); (2) secondary...

Tectonic Evolution and Continental Fragmentation of the Southern West Australian Margin

J. M. Whittaker, J. A. Halpin, S. E. Williams, L. S. Hall, R. Gardner, M. E. Kobler, N. R. Daczko, R. D. Müller

Petroleum Exploration Society of Australia (PESA)

...-rift position of these knolls to the north and south of the Naturaliste Plateau, respectively. The Batavia Knoll was conjugate to part of the northern...

The Deep Crustal Structure of the Wilkes Land Continental Margin

J. R. Childs, H. M. J. Stagg

Circum Pacific Council Publications

... are a conjugate pair. 2. Oceanic crust does not extend south of the seaward border of the magnetic quiet zone ( M Q Z ) on the Wilkes Land margin. 3...

South Atlantic: The Bigger Picture

Hermann Lebit, Jeff Tilton, Sriram Arasanipalai, Pascal Ollagnon

GEO ExPro Magazine

... margin is conjugate Graben system, with fault throws in Santos Basin lacks such a gradient at to the Brazilian margin and reveals excess of 3,500m...

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In addition, we separate the tomographic part from the FWI gradient kernel by using the characteristics of analytic wavefields (Chi et al., 2017). We...

Least-squares reverse time migration of seismic source coding based on Shearlet transform

Yingkaer Nabi, Xiangbo Gong, Zhuo Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... descent iteration method and the conjugate gradient iteration method. The fastest descent method is as follows: (1) Initial imaging results...

Abstract: Fractures in the Cardium and Normal Faults in Western Alberta; #90171 (2013)

Tijmen H.D. Hartel

Search and Discovery.com

... prescribe that fractures form either as a conjugate shear set, which form at an angle less then 45˚(~30°) to the maximum principal stress direction (SHmax...

Seismic Inversion Resolution Enhancement With (3S) Spectral Blueing, Spectral Balancing, and Stochastic Inversion on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... can create an inaccurate gradient. The spectral balancing method can be considered that the subsurface geological conditions are scalefree and contain...

Abstract: Overpressure Conditions and Reservoir Compartmentalization on the Scotian Margin; #90187 (2014)

Carla Dickson and Grant Wach

Search and Discovery.com

... pressures exceeding the expected hydrostatic pressures are present in some wells but not in others; the regional pressure gradient and distribution...

Abstract: Overview of the Key Structural Tools for Seismic Interpretation and Structural Model QC; #90297 (2017)

Pascal Richard

Search and Discovery.com

.... The Andersonian geometries can be used in brittle rocks as a first approximation. In plane strain extension or compression, conjugate sets of normal faults...

Abstract: Seismic inversion and source rock evaluation on Jurassic organic-rich intervals in the Scotian Basin, Nova Scotia, Canada

Natasha M. Morrison, Ricardo L. Silva, F.W. (Bill) Richards, Gant D. Wach

Atlantic Geology

.... Wireline log estimation of total organic carbon (TOC) was completed using the Passey method. Seismic inversion was achieved via a 3D constrained sparse...

ABSTRACT: Tectonic and Stratigraphic Insights in the Development of NE Greenland Margin through Deep, Long Offset, Prestack Depth Migrated (PSDM), 2-D Seismic Data; #90108 (2010)

Menno G. Dinkelman, James A. Helwig, Joe Gagliardi, Richard Whittaker, and Naresh Kumar

Search and Discovery.com

... the NE Greenland Shelf. The NE Greenland Shelf is 1,200 km long and 200-600 km wide and is considered to be the conjugate margin to the northwest...