Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea; #42170 (2017)

Tom Wooltorton, Stephen Leslie, Merritt Smith, Ryan M. Williams, Luis Gomez

Search and Discovery.com

... Cretaceous marine sands and shales, deposited in shelf to margin and basin floor transitional settings. Observed and modeled hydrocarbon AVO is Class II...

All that wobbles isnt necessarily azimuthal anisotropy

Helen Debenham, Jennifer Badry, Mohamed Megebry

Petroleum Exploration Society of Australia (PESA)

...All that wobbles isnt necessarily azimuthal anisotropy Helen Debenham, Jennifer Badry, Mohamed Megebry All that wobbles isn’t necessarily azimuthal...

Abstract: The Problem of Paleo-Oil-Water Contacts in Seismically Identifying Hydrocarbon Accumulations, by P. C. B. Ware; #90933 (1998).

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Controls on the Geomechanical Properties of Unconventional Resource Formations

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Abstracts: Understanding Wellbore Stability Challenges in Horn River Basin; #90173 (2015)

Safdar Khan, Sajjad Ansari, Hongxue Han, and Nader Khosravi

Search and Discovery.com

... stresses. Failure to consider the effect of anisotropic behavior of shale can have severe consequences for drilling. In rocks with anisotropic mechanical...

Stress Regimes in the Gulf Coast, Offshore Louisiana: Data from Well-Bore Breakout Analysis

N. A. Yassir and A. Zerwer

AAPG Bulletin

... direction. These anomalies were attributed to local perturbations around faults and salt structures and to the effect of the underlying salt...

Abstract: Challenges in Seismic Monitoring of Flow through Fractured Carbonates, by Laura J. Pyrak-Nolte, Weiwei Li, and Christopher Petrovitch; #120034 (2012)

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ABSTRACT: Anisotropic Imaging of Okubotin 3-D Seismic Survey; #90115 (2010)

Adeboye A. Oni, Gislain Madiba, and Berti Ozumba

Search and Discovery.com

... economic accumulations. Some of the consequences of looking deeper include the onset of overpressures and velocity anisotropy. One of the measures...

Abstract: Interesting Directions Being Pursued in Seismic Curvature Attribute Analysis; #90187 (2014)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... shows the effect of using dip filters and how the resulting attributes look so much better. Such processes are all referred to as conditioning...

U-net based primary alignment

Ricard Durall, Ammar Ghanim, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

..., prestack migration and demultiple processes. This is particularly essential for amplitude versus offset (AVO) studies, as flat gathers are necessary...

Geological Classification of Seismic-Inversion Data in the Doba Basin of Chad, #41899 (2016).

Carl Reine, Chris Szelewski, Chaminda Sandanayake

Search and Discovery.com

... of the sand model and representative shale values. With the behaviour identified from log analysis and rock-physics modelling, seismic attributes from AVO...

Seismic investigation of lithological controls on effective stress

Bill Goodway, Evan Mutual, David Cho, David McHarg, David Miller, Lindsay Miller

Unconventional Resources Technology Conference (URTEC)

.... In this study, we estimate the effective stress from seismic data using a combination of elastic properties estimated from an AVO inversion and petrophysical...

Subsurface Characterizaton Using Microseismic Velocity, Attenuation, and Ansiotrophy Tomography in a Geothermal Field

Ahmad Syahputra, Andri Dian Nugraha, Rachmat Sule, Sri Widiyantoro

Indonesian Petroleum Association

... and anisotropy 3-D models from waveform analysis of first arrival microseismic events. In attenuation tomography, t* is an operator comparable with travel...

Effect of Anisotropy on Apparent Resistivity Curves

Sylvain J. Pirson

AAPG Bulletin

...Effect of Anisotropy on Apparent Resistivity Curves Sylvain J. Pirson 1935 37 57 19 1. (January) The anisotropic character of the sedimentary...

Formation Anisotropy and Heterogeneity Evaluation with a High-Resolution LWD Ultrasonic Slowness Imaging Tool

Naoki Sakiyama, Hiroshi Hori, Hiroaki Yamamoto, Hiroshi Nakajima, Matthew Blyth, Syed Muhammad Fahim Ud Din, Mark Kittridge

Unconventional Resources Technology Conference (URTEC)

...es are explained by the possible effect of stress-induced anisotropy. The detailed slowness azimuthal profile in this section is discussed by Blyth et ...

Abstract: The Effect of Clay and Gas on the Elastic Properties of Sandstones (Paper 15)

Mark Sams, Martijn Andrea

Geological Society of Malaysia (GSM)

...Abstract: The Effect of Clay and Gas on the Elastic Properties of Sandstones (Paper 15) Mark Sams, Martijn Andrea 400 Paper 15 The effect of clay...

Anisotropic depth migration in the Colombian Llanos Foothills as a key to understanding the structure in depth

emamedov

Search and Discovery.com

... anisotropy and lateral-velocity heterogeneity. The final anisotropic-depth-migrated image confirms the structure and moves the imaged structure...

Integration of Multicomponet Surface Seismic, Multicomponent VSP and Microseismic in Reservoir characterization

Paul Constance, Jim Simmons, Shihong Chi, Lisa Sanford

Unconventional Resources Technology Conference (URTEC)

...-Wave Anisotropy: PS converted waves polarize parallel and orthogonal to fractures in the subsurface. The resultant effect is in velocity and polarization...

Non-Opaque and Opaque Grain Fabrics of Siltstones in Red Peak Member (Triassic), Central Wyoming: DISCUSSION

Anthony I. Rees

Journal of Sedimentary Research (SEPM)

.... Smith, eds. (in press). HAMILTON, N., The effect of magnetic and hydrodynamic control on the susceptibility anisotropy of redeposited silts: Jour...

Efficient Completions in Anisotropic Shale Gas Formations

Saied Mighani, Carl Sondergeld, Chandra Rai

Unconventional Resources Technology Conference (URTEC)

... of effective stress. The effect of anisotropy on fracturing is also investigated by rotating the fabric direction of the sample disks relative to the loading...

ABSTRACT: Imaging Through Gas Clouds: Case Histories from the Gulf of Mexico; #90007 (2002)

Knapp, Steve, Nigel Payne, Tony Johns

Search and Discovery.com

.... Special processing to determine the effect of azimuthal anisotropy and depth domain imaging would be of interest. A definitive evaluation of the obvious...

Controlled-Source Electromagnetic (CSEM): A Game Changing Technology for Frontier Deepwater Exploration? A Users Perspective

Herry Maulana

Indonesian Petroleum Association

... create an AVO anomaly. A case study will be demonstrated where one prospect in a frontier deepwater area, that lacks of well control, is identified...

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... signal in order to deliver an AVO friendly product. This required analysis of the data to identify the noise types present, determination of techniques...

The Comparative Reliability of Magnetic, Photometric and Microscopic Methods of Determining the Orientations of Sedimentary Grains

Asahiko Taira, Barry R. Lienert

Journal of Sedimentary Research (SEPM)

...-axes to individual grain elongation directions has little effect on the validity of the method. For the magnetic susceptibility anisotropy method, we...

Impact of Natural Fracture Induced Elastic Anisotropy on Completion and Fracturing Design in Different Shale Reservoirs

Emre Can Dundar, Aymen Alhemdi, Ming Gu

Unconventional Resources Technology Conference (URTEC)

... well productivity optimization. Conclusions In this study, natural fracture induced anisotropy effect has been investigated for five selected shale...