Imaging of multiwell and multifiber walkaway DAS-VSP datasets in a CCUS demonstration project onshore Japan

Yuji Yamada, Shotaro Nakayama, Takuji Mouri, Manish Lal Khaitan, Philip Armstrong, Olga Podgornova

International Meeting for Applied Geoscience and Energy (IMAGE)

... minimize irregularity in source geometry and well deviation out of the acquisition plane (Figure 1). The inverse scheme is formulated for DAS...

Abrasion Effects on Arkose Mixtures

william J. Morris, Pow-foong Fan

Journal of Sedimentary Research (SEPM)

... the source area. During this time both selective sorting and abrasion, as well as other factors, would be active in producing size reduction but abrasion would...

Bayesian geophysical inversion with Gaussian process machine learning and trans-D Markov chain Monte Carlo

Anandaroop Ray, David Myer

Petroleum Exploration Society of Australia (PESA)

... is the ability to model the earth with a low dimensional representation. There exist various approaches to solve the inverse problem. However, most methods do...

Preliminary Interpretation of Short-Wavelength Magnetic and Gravity Anomalies on the Southern Ute Indian Reservation, Southwestern Colorado

Michael W. Webring

Rocky Mountain Association of Geologists

..., 10 kilometers west of Redmesa, Colorado. The maximum depth to magnetic sources in this area was determined by modeling a continuous magnetic source...

ORDOVICIAN RED RIVER OF EASTERN MONTANA AND WESTERN NORTH DAKOTA: RELATIONSHIPS BETWEEN LITHOFACIES AND PRODUCTION

JAMES A. KOHM, RICHARD O. LOUDEN

Williston Basin Symposium

... (1976) in Saskatchewan and by Clement (1976) on the Cedar Creek Anticline and constitute the primary source of hydrocarbons for the Red River...

Tertiary Facies and Paleoenvironments Along the Coast Range and Western Cascade Margin, Western Oregon

Cynthia S. Shroba, William N. Orr

Pacific Section SEPM

... of fossiliferous granule sandstones to boulder conglomerates interbedded with pillow basalts and cross-cut by basaltic dikes. The source of sediment...

Abstract: Surface-consistent Matching Filter for Time-lapse Processing; #90174 (2014)

Mahdi H. Almutlaq and Gary F. Margrave

Search and Discovery.com

... of each trace's source effect, receiver effect, offset effect and midpoint effect. This model is similar to the one used for solving the static problem...

Stratigraphic Variability of the Woodford Shale across Oklahoma; #80417 (2014)

Brenton J. McCullough, Roger M. Slatt

Search and Discovery.com

..., J.W. Schmoker, and H.L. Sahl, 1990, Log-derived regional source-rock characteristics of the Woodford Shale, Anadarko Basin, Oklahoma: United States...

The deblending processing of multi-well 3D DAS-VSP data in the Middle East

Fei Li, Gang Yu, Haibo Liu, Jiawen Song, Yanbin Zhang, Yuanzhong Chen, Tiankui Yin, Jianxin Han, Qingfeng Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... the effective major source signal from the massive blended offshore 3D DAS-VSP data, which was the world largest multi-well (6 wells in 1st location...

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

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... of the source-timefunction amplitude, and § - 1 represents the inverse Fourier Transform operator. The source term in equation 4 is different from the one used...

Tiltmeter Mapping and Monitoring of Hydraulic Fracture Propagation in Coal: A Case Study in the Warrior Basin, Alabama

George A. Gazonas, Chris A. Wright, M.D. Wood

Rocky Mountain Association of Geologists

... knowledge of the surface tilt field is known, then solution of the inverse problem yields estimates of the source parameters. The method used to solve...

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... regularization plus migration. Introduction Migration is an important step in the processing of converted waves. Asymmetric source and receiver side...

Clay Mineral Diagenesis as a Possible Source of Silica Cement in Sedimentary Rocks

Kenneth M. Towe

Journal of Sedimentary Research (SEPM)

...Clay Mineral Diagenesis as a Possible Source of Silica Cement in Sedimentary Rocks Kenneth M. Towe 1962 Vol. 32 No. 1. (March), The post...

Mapping of Salt Structures in the Gulf of Mexico Using Marine CSEM

J.J. Zach, M.A. Frenkel, P. Lindhom, A.M. Ostvedt-Ghazi, A. Kumar, T. Pham

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Americas Abstract Marine Controlled-Source Electromagnetic (CSEM) methods for hydrocarbon detection, which rely on a partial waveguide effect by thin...

Quantitative Modeling of the Dynamic Evolution of Salt Structures

Kenneth Petersen, Ian Lerche

GCAGS Transactions

... seismic and/or well data, is presented. The present-day shape of a salt structure is constrained by an inverse non-linear procedure which determines...

Sedimentary Structure and Environment of Some Thick Sandstone Beds of Turbidite Type

David H. Chipping

Journal of Sedimentary Research (SEPM)

... Peninsula, show distinctive sedimentary structures. The sandstones show normal grading, some localized inverse grading, and contain both convolutions...

Abstract: Estimation of Hydraulic Conditions of Turbidity Currents by Inverse Analysis; Application on Cretaceous Panther Tongue Deposits, Utah, USA, by Hajime Naruse and Cornel Olariu; #90079 (2008)

Search and Discovery.com

Deep learning software accelerators for full-waveform inversion

Sergio Botelho, Souvik Mukherjee, Vinay Rao, Santi Adavani

International Meeting for Applied Geoscience and Energy (IMAGE)

... growth in the number of approaches that deploy neural networks to solve partial differential equations (PDE) and inverse problems constrained by PDEs...

Fracture responses of conventional logs in tight-oil sandstones: A case study of the Upper Triassic Yanchang Formation in southwest Ordos Basin, China

Wenya Lyu, Lianbo Zeng, Zhongqun Liu, Guoping Liu, and Kewei Zu

AAPG Bulletin

.... Sahimi, M., and M. Hashemi, 2001, Wavelet identification of the spatial distribution of fractures: Geophysical Research Letters, v. 28, no. 4, p. 611–614...

A sliding box automatic relocation method based on geometric-mean reverse-time migration

Tong Bai, Zhendong Zhang, Malcolm C. A. White, Hongrui Qiu, Paul Williamson, Nori Nakata

International Meeting for Applied Geoscience and Energy (IMAGE)

...) observations. We propose an automated “sliding box” procedure to improve source locations by leveraging dynamic (e.g., full waveform) information via...

Abstract: 5D Interpolation and Regular Upsampling: Ill-suited or Fit-for-purpose?; #90187 (2014)

Mike J. Perz and Peter W. Cary

Search and Discovery.com

... factors are examined below. (i) MWNI assumption inconsistency The MWNI algorithm revolves around a certain inverse problem. In plain words, this inverse...

Resedimented Conglomerates in a Miocene Collision Suture, Hokkaido, Japan

H. Okada, S. K. Tandon

CSPG Special Publications

... conglomerate with major zones of disrupted bedding; (c) conglomerate with clast imbrication, associated with cross-bedded sandstone; (d) inverse...

Reversing the Decline - What Contributes to Quality Assessment for Enhanced Oil Recovery Projects?

Eugene E. Wadleigh

Wyoming Geological Association

... of the inverse bond number. The bond number is a dimensionless ratio of capillary and fluid density forces. The bond number can be used to characterize...

Maturation Patterns in the Eromanga Basin

A. J. Kantsler, A. C. Cook, M. Zwigulis

Petroleum Exploration Society of Australia (PESA)

... of that University in 1978 as a Professional Officer (Geology) and carried out research on the organic petrology of petroleum source rocks, oil shales, coals...

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge

International Meeting for Applied Geoscience and Energy (IMAGE)

... introduce a unique set of processing and imaging challenges for ocean-bottom acquisition, such as the Doppler effect and the time-dependent source...