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The AAPG/Datapages Combined Publications Database

Showing 34,782 Results. Searched 200,639 documents.

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Abstract: Estimating Heatflow in Frontier Basins Using Bottom Simulating Reflectors (BSRs): Implications for Deepwater Hydrocarbon Prospectivity Offshore MSGBC Basin, The Gambia; #90310 (2017)

Olawumi Owolabi, Mads Huuse, Jonathan Redfern, Ben Sayers

Search and Discovery.com

...) and seismic velocity data to estimate depth and conductivity. Heatflow within the basin is assessed using shallow geothermal gradients calculated from...

2017

Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios

Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Petrobras Summary Building suitable velocity models is often a challenging task in projects that involve seismic modeling. We present a simple workflow...

2022

Permeability prediction in chalks

M. Monzurul Alam, Ida Lykke Fabricius, Manika Prasad

AAPG Bulletin

...Permeability prediction in chalks M. Monzurul Alam, Ida Lykke Fabricius, Manika Prasad 2011 1991 2014 95 11 The velocity of elastic waves...

2011

PS reflection-based full-waveform inversion using single-mode propagator

Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith

International Meeting for Applied Geoscience and Energy (IMAGE)

... structures through improved earth model building. However, the predominant focus has been on constructing pressure (P)-wave velocity models, while...

2024

Determination of Minimum Gas Flow Rate and Plunger Lift Installation to Overcome Liquid Loading

Husnul Khatimah

Indonesian Petroleum Association

... the velocity of the gas phase in the tubing becomes insufficient to transport the liquid phase to the surface. Once this occurs, the liquid...

2003

The Effects of Grain-Density Variation on Turbidity Currents and Some Implications for the Deposition of Carbonate Turbidites

James M. Hodson, Jan Alexander

Journal of Sedimentary Research (SEPM)

... propagation velocity was maintained for longer due to the presence of low-settling-velocity particles. As a result mixed-particle density flows...

2010

Abstract: Pore-scale Modeling and Simulation: Determining Petrophysical and Multiphase Flow Properties in Natural Porous Media; #90224 (2015)

Shahin Ghomeshi, Sergey Kryuchkov, Jonathan Bryan, and Apostolos Kantzas

Search and Discovery.com

..., the inertial terms are small and can be neglected and reduced to the Stokes’ equations. For single phase flow, the incompressible Navier-Stokes equations...

2015

Microseismic Quality Control Using Synthetic Seismograms

M. C. Smith, S. D. Goodfellow, J. Huang, S. C. Maxwell, J. Teff, B. Kennedy, B. Bayliss

Unconventional Resources Technology Conference (URTEC)

... and picked an incorrect phase as the ‘direct’ wave. Figure 4: Top: Depth view showing relocation of select calibration events with an initial velocity...

2016

The importance of viscoelastic waveform inversion in VSP: Synthetic studies

Yu Chen, Shujaat Ali, Takashi Mizuno, Pierre Bettinelli, Jol Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... of viscoelastic waveforms (with Qp). First, we conclude that the high attenuation can lower the inverted velocity because of the phase shift...

2022

The Use of Production Logging Surveys to Determine the Injection Profile at the Kenali Asam Waterflood Pilot Project

Victory S. Kirana

Indonesian Petroleum Association

... injector. Suppose this single phase (water) well has casing OD of 9.625" with the pipe constant of 6.63. For the value of velocity equals -11.96...

1992

ABSTRACT Monitoring, Verification, and Accounting of CO2 Fate in Geologic Formations: Linking the Chemical and Physical Effects of CO2 Injection to Geophysical Parameters, #90103 (2010)

Tiziana Vanorio, Gary Mavko

Search and Discovery.com

... from ignoring chemical reactions can affect not only the magnitude, but also the sign, of predicted velocity changes. Until now, modeling of fluid...

2010

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...

Unknown

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

...TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard A. Bale TTI Wave Equation Migration by Phase-Shift Plus Interpolation Richard...

Unknown

Automation of passive seismic processing via machine learning and physics-informed methods

Ivan Lim Chen Ning, Laura Swafford, Mike Craven, Kevin Davies, Evan Earnest, Dean Thornton

International Meeting for Applied Geoscience and Energy (IMAGE)

.... 𝑣 𝑃 and 𝑣 𝑆 represent the P and S wave effective NMO velocity. Note the absence of the offset term since the corresponding P and S phase map shares...

2022

III. Evidence of Faulting

Robert E. Sheriff

AAPG Special Volumes

... effects produced by the shallower velocity changes. Fig. 56 is a plot of the instantaneous phase for seismic data offshore Louisiana. Phase does...

1981

Crustal Structure Study on Gulf Coast of Texas

A. L. Hales , C. E. Helsley , J. B. Nation

AAPG Bulletin

... with velocity between 2.4 and 3.3 km/sec, depending on the buoy. The 5.75-km/sec phase discussed heretofore can be identified at stations L1 and L2 from...

1970

Simultaneous Joint Inversion of Electromagnetic, Gravity and Seismic Data for Thrust Belt and Sub-Basalt Imaging

Virgilio Massimo, Stephen Hallinan, Marco Mantovani

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... and phase:TE mode (above),TM mode (below) Finally, the SJI velocity model and the SJI PSDM are presented in Figure 5: Note the improvement...

2009

Analysis of Time-lapse Multicomponent Seismic Data from a Potash Mining Area in Saskatchewan, Canada, #41275 (2014)

Andrew Nicol, Don Lawson

Search and Discovery.com

... paths covering a 45 degree aperture. Through interpretation and travel-time analysis of these data, we have observed weak azimuthal velocity anisotropy...

2014

Abstract: Evolution Of Mangala Reservoir Model Through The E&P Lifecycle: Learnings And Way Forward; #90315 (2017)

Subhendu Sarkar, Amlan Das, Archana Dhanasetty, Pradeep Singh, Namita Pahwa, Pankaj Kumar, V Kothari

Search and Discovery.com

... of objectives and complexity. Models built during the appraisal phase are fairly simple, created to capture the uncertainty in STOIIP and EUR. During...

2017

Abstract: The Evolution and Deployment of Land FWI in PDO: Background/History (2010-2023), Accelerated Delivery, Challenges, Latest Preferred Workflow, Highlighting the Need for eFWI and the Shift to FWI-Imaging and QIFWI; #91209 (2025)

Safa Al Maskari, Moosa Al Jahdhami, Ahmed Al Obeidi, Mohammed Al Balushi, Ahmed Al Harthi, Qais Al Siyabi, Martin Dvorak, Omaima Al Darwshi, Waleed S. Alwardi, Mohammed Al Ismaili

Search and Discovery.com

... of phase- only wave inversion FWI. The excellent imaging uplift resulting from the velocity model building workflow led to better understanding...

2025

Quantitative Self-Verification, a Breakthrough in Ultrasonic Metering Technology

Gregor J. Brown, Ross Johnston

Australian Petroleum Production & Exploration Association (APPEA) Journal

... International Smart Ultrasonic Meter Diagnostics – Phase 3 project report (Zanker 2014): Understanding the performance of multipath gas ultra­ sonic flow meters...

2023

Geophysical Techniques Used in Petroleum Exploration in the Ying Ge Hai Area, Zhanjiang, SW Guangdong Province, China

L. William Edwards

Circum Pacific Council Publications

... stacked section is supplemented by color-attribute processing (such as pseudo-interval velocity and phase); depth conversion and RAP* processing have...

1989

Interpretation Methods in the Exploration of Oligocene-Miocene Carbonate Reservoirs, Offshore Northwest Madura, Indonesia

David C. Carter, Dwi Mandhiri, Robert K. Park, Imron Asjhari, Syaiful Basyuni, Sergey Birdus, John P. Bradfield, Ary Iriawan, Meutia Nasfiah, M.A. Agung Nugroho

Indonesian Petroleum Association

... use of isochrons, amplitude, variance images, amplitude versus offset (AVO), acoustic impedance, seismic facies and detailed velocity estimation...

2005

Sand Particle Movement on Migrating Combined-Flow Ripples

Miwa Yokokawa , Fujio Masuda , Noritaka Endo

Journal of Sedimentary Research (SEPM)

... of the arrow shows the relative magnitude of the flow velocity. Each view corresponds to a phase of sand transport in Figure 1. End_Page 42...

1995

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