A deep-learning workflow for weak reflection extraction in pitch-catch measurements in cased-hole

Qiang Wang, Hua Wang, Shaopeng Shi

International Meeting for Applied Geoscience and Energy (IMAGE)

... strategies (Dé fossez et al., 2019) including random scaling, time shifting, shuffling TIE and A0 to enhance the training dataset. Finally, we generate...

Channel Modeling Based on Seismic, Wells and Analogue Data: Parameter Uncertainty Handling and Volume Uncertainty Assessment Using Experimental Design

Yuniyanto, Paul Thompson, Lothar Schulte, Andrian Elim, Vikram Sharma

Indonesian Petroleum Association

... was seismically mapped in the time domain. In order to address the velocity anisotropy the seismic migration velocities were calibrated to three check shot...

Uncertainty quantification of full-waveform inversion with adaptive MCMC method

Shuhua Hu, Zeyu Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... and starting model. More importantly, the local optimization based FWI is not able to quantify the uncertainties that introduced by the presence of noise...

Recursive Inversion and Attribute Analysis of 3D Seismic Data Over a Four-Way Dip Structure, Gulf of Thailand

S. Thanatit, S. Ronghe

Indonesian Petroleum Association

.... The end product of modeling does depend heavily on the quality of the input data. Processing inadequacies leading to random or coherent noise...

Hydrocarbon charge and petroleum system evolution of the Montney Formation: A multidisciplinary case study of the Blueberry sub-play in Northeast British Columbia, Canada

Elizabeth A. Watt, Dallin P. Laycock, Eric Michael, Rick C. Tobin, Shaina Kelly, Michelle N. Johnston

Bulletin of Canadian Energy Geoscience (CEGA)

... isotope curves from extracted core fluids show a stratified oil column, indicating a lack of vertical migration that would have homogenized...

The Role of Argillaceous Rock Fabric in Primary Migration of Oil

O'Brien, Neal R., Cremer, Marie D., Canales, Dylan G.

GCAGS Transactions

...The Role of Argillaceous Rock Fabric in Primary Migration of Oil O'Brien, Neal R., Cremer, Marie D., Canales, Dylan G. 2002 1103 1112 Vol. 52 (2002...

GEO 2016; - Abstracts, #90254 (2016).

Search and Discovery.com

ReGenerating the Gippsland Basin

J. Firth, K. Zhao, S. Birdus, N. Mudge, J. Zhou

Petroleum Exploration Society of Australia (PESA)

... model building, while migration algorithms have also undergone evolution, so that leastsquares algorithms have been extended to Reverse Time Migration...

Visualizing Fracture-Matrix Fluid Exchange in Unconventional Tight Mudstone

John J. Valenza, Johnathan Moore, Sean Sanguinito, Dustin Crandall

Unconventional Resources Technology Conference (URTEC)

... Peff impacts fluid migration through the core. The N2 pressure cycles were completed on all three samples listed in Table 1. At the end of the N2 cycle...

Migration Pathways and Seismic Expression of a North American Giant: East Texas Field

William A. Wescott

Rocky Mountain Association of Geologists

...Migration Pathways and Seismic Expression of a North American Giant: East Texas Field William A. Wescott ! 131 Migration Pathways and Seismic...

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... of interest and to help boost the signal-to-noise ratio . This the e will be e phasized throughout this chapter . To be a good interpreter, one needs...

Multiple prediction and removal via zero offset SRME: a case study from the Tarim Basin

Yalin Li, Haijun Yang, Gengxin Peng, Duoming Zheng, Ruirui Zhao, Chuanwen Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... offset SRME method does not require harsh conditions, such as trace interpolations, signal-to-noise improvement, and amplitude balancing, as post...

Improving subsalt images using FWI and FWI imaging: A streamer case study at Big Foot

Weihong Fei, Jingru Chen, Min Yang, Leah Grassi, Erik Everson, Paul Bovet, Marin Laomana, Sheree Wold, Alex Yanjun Hao, Chi Chen, Shubin Zeng, Zhiyuan Wei

International Meeting for Applied Geoscience and Energy (IMAGE)

... faults although with relatively heavy swing noise contaminations that mainly originate from prismatic waves. Furthermore, we designed a post-migration...

Geologically Constrained Seismic Imaging in Andean Thrust Belts, #42530 (2020).

Rob Vestrum,

Search and Discovery.com

... the different imaging algorithms: prestack time migration, Kirchhoff depth migration, and reverse-time migration (RTM). More accurate algorithms require...

Abstract: Carbonate Fracture Case History from Russia and Implications for HTD Plays in North America; #90172 (2014)

Inga Khromova, Brian Link

Search and Discovery.com

... duplex wave migration (DWM). This method is used following conventional pre-stack depth migration with a new and very different type of pre-stack...

Abstract: A Joint LSPSM/Inversion Algorithm for High Resolution Time Lapse Imaging; #90187 (2014)

Abdolnaser Yousefzadeh and John C. Bancroft

Search and Discovery.com

... to the production or injection of fluids. A joint least squares Kirchhoff prestack migration (LSPSM) of both baseline and monitor data is introduced which attenuates...

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

... the seismic imaging of the complex structures that form the mountain. Processing in the time domain was designed to attenuate noise and enhance signal...

Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12

E. W. Peikert

AAPG Special Volumes

... of subsurface parameters. Estimates of Vint from individual velocity gathers are subject to errors caused by a number of factors such as: 1) random noise, 2...

Abstract: High-resolution Automatic Microseismic Source Detections; #90187 (2014)

Stephen K. Chiu, Ulrich Zimmer, and Michael Davidson

Search and Discovery.com

... stacked energy from all receivers. The energy focusing can be ambiguous if data have low signal-to-noise ratio or contaminations from undesirable phase...

Surface Exploration for Oil and Gas: Applications for Field Development and Production

Dietmar "Deet" Schumacher

Houston Geological Society Bulletin

... of these developments and new insights are published AAPG Memoir 66. "Hydrocarbon Migration and its Near-Surface Expression" (Schumacher and Abrams, 1996). Recent...

Hybrid COV Interpolation & Procesing: A Case Study on NW Tunu Transition Zone, Indonesia

Vishal Kumar, Doddy Biramandita, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, M-Adam Cepi

Indonesian Petroleum Association

... offset vectors (COV) is a recent methodology to minimize offset and azimuth variations that is favorable to Pre-stack migration algorithms. However...

Abstract: A Quantum Approach to Studying Intrinsic Uncertainties in Basin Modeling, by Ø. Sylta, A. Tømmerås, and C. Zwach; #90091 (2009)

Search and Discovery.com

Application of Clay-Mineral, Vitrinite Reflectance, And Fluid Inclusion Studies to the Thermal and Burial History of the Pinedale Anticline, Green River Basin, Wyoming

Richard M. Pollastro, Charles E. Barker

Special Publications of SEPM

..., M S 960 Denver Federal Center, Denver, Colorado 80225 ABSTRACT: Clay-mineralogy , mean random vitrinite reflectance (R,), and fluid inclusion...

Seismic Prospecting for Oil and Gas in Northwestern Colorado

Charles E. McMunn

Rocky Mountain Association of Geologists

... this formation is found on the surface. Satisfactory results can be obtained from this medium by applying accepted noise elimination techniques in field...

Will Lebanon be the Next Oil Province?

Øystein Lie, Jörn Fürstenau, John Comstock, Petroleum Geo-Services

GEO ExPro Magazine

... modern noise attenuation, to provide consistent high quality data. All MC3D surveys will be available with pre-stack depth migration (PSDM...