Long Offset AVO in a Midcontinent Tight Gas Sand Reservoir

Pankhurst, Duane, Marfurt, Kurt, Sullivan, Charlotte

GCAGS Transactions

... with offset. In the far offsets, they may go through a phase reversal and increase in amplitude (Hilterman et al., 2000). Thus, processing for amplitude...

Integration of New Interpretation, Attribute Analysis and Inversion Results for the Dampier Sub-Basin, North West Shelf of Australia

Jarrad Grahame, Jianfeng Yao

Australian Petroleum Production & Exploration Association (APPEA) Journal

.... CGG Multi-client and New Ventures geoscientists, in collaboration with CGG Seismic Imaging, have undertaken new interpretation and amplitude versus...

Prestack true-amplitude angle-domain viscoelastic least squares reverse time migration

Yue Wang, Yang Luo, Peng Shen, Jingru Chen, Guangchi Xing, Ao Cai, Mark Fan, Guojian Shan, Lin Zhang, Xiaoting Lou, Zhengyun Zhou

International Meeting for Applied Geoscience and Energy (IMAGE)

... for sand top, mild amplitude change for oil-water-contact, and phase reversal at bottom. The AVA trend for the top of the sand matches the elastic...

The Role of Seismic Inversion Modeling in Describing Reservoir Characteristics: A Case Study

William C. Robinson

West Texas Geological Society

... to begin, since different projects have different geologic considerations. Tracking seismic reflectors and making time and reflection amplitude maps...

Quantitative seismic geomorphology of the middle Frio fluvial systems, south Texas, United States

Hamed Z. El-Mowafy, and Kurt J. Marfurt

AAPG Bulletin

... lateral changes in waveform, amplitude, and phase. We find simple root-mean-square (RMS) amplitude (the RMS of the seismic amplitudes) within a 10-ms window...

Seismic stratigraphy of a Lower Cretaceous prograding carbonate platform (Oman) and implications for the eustatic sea-level curve

Emmanuel Dujoncquoy, Carine Grélaud, Philippe Razin, Patrice Imbert, Frans van Buchem, Gérard Dupont, and Arnaud Le Bec

AAPG Bulletin

... occurring during the Valanginian. The climax of this cooling phase is recorded in the upper lower Valanginian by the highest amplitude of sea-level drop...

Unsupervised machine learning for seismic facies classification applied in presalt carbonate reservoirs of the Bzios Field, Brazil

Dbora Ribeiro Barretto, Pedro Henrique Cunha de Macedo, Wagner Moreira Lupinacci, Raisa Carvalho Silva

International Meeting for Applied Geoscience and Energy (IMAGE)

... analysis (Taner et al., 1979), where the seismic trace is treated as the product of instantaneous amplitude and cosine of the instantaneous phase...

Ivory Coast Exploration in the Transform Margin

Patrick Coole, Matthew Tyrrell, Christine Roche, Petroleum Geo-Services

GEO ExPro Magazine

... in the petroleum system story: • The syn-rift phase, characterised by pull-apart rifting that formed a horst and graben topography. • The syn-transform phase...

Geologic Summary of the Natuna Sea

A. Wongsosantiko, P. Prijosoesilo

Indonesian Petroleum Association

.... This is due to a favourable combination of factors including a marine seismic acquisition setting, the relatively shallow target depths and the presence...

Resolving MWD-Wireline Resistivity Differences in Shaly-Sand Pay Zones

Steve Mack

Indonesian Petroleum Association

..., 15-17. Rodney, P.F., and Bittar, M.S., 1993, A Combined Phase and Amplitude Technique for Controlling the Investigation Depth of Propagating...

Abstract: Which Curvature is Right for You? Part - 2; #90174 (2014)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

... analysis think of seismic data as composed of amplitude and phase components, where the phase associated with any time t and frequency f is simply φ...

A New AVO Attribute for Hydrocarbon Prediction and Application to the Marmousi II Dataset, #41764 (2016).

Changcheng Liu, Prasad Ghosh

Search and Discovery.com

... Abstract At present, quantitative AVO plays a significant role in hydrocarbon prediction in many basins. Hydrocarbon prediction from seismic amplitude...

Modeling-based amplitude recovery (MBAR)

Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church

International Meeting for Applied Geoscience and Energy (IMAGE)

...Modeling-based amplitude recovery (MBAR) Yonghe Sun, Zhemin Tan, Jeff Nealon, James Davenport, Mark Fan, Yuli Zhang, Brian Church Modeling-based...

Front Matter: AAPG Memoir 42/SEG Investigations in Geophysics, No. 9: Interpretation of Three-Dimensional Seismic Data — 7th Edition

Alistair R. Brown

AAPG Special Volumes

..., Dim Spots and Phase Changes • Polarity and Phase Problems, Multiple Contacts and Transmission Effects • Use of Frequency, Amplitude Variations...

Diagenesis and pore pressure induced dim spots „ Advances on AVO analysis of high-impedance reservoirs

Antonio Pessoa, Mark Chapman, Giorgos Papageorgiou

International Meeting for Applied Geoscience and Energy (IMAGE)

... that high pore-pressure settings cause amplitude reduction and potentially a shift between class-I and class-II AVO. In our 3D seismic interpretation, we...

Sedimentology of the Pleasantview Sandstone, Southern Iowa and Western Illinois

Robert L. Laury

Journal of Sedimentary Research (SEPM)

... and Illinois, the Pleasantview Sandstone exhibits a thick, variably bedded, elongate channel phase and a thin, uniformly, thin-bedded, widespread sheet phase...

Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP

Mohammad Risyad

Indonesian Petroleum Association

... (VSP) data related to subsurface work. Q-factors are the terms used in seismic attenuation analysis derived from available seismic datasets...

Microseismic Case Study: A deeper look into the microseismic events. What events are really related to stimulated reservoir; #41446 (2014)

Michael Doerksen, Don Poruchny, Michael d'Entremont

Search and Discovery.com

... and confirm the phase and integrity of the 3D seismic processing. One of the basic questions that a microseismic survey addresses is the fracture length...

Using the amplitude spectrum to characterize cable coupling of DAS traces

Jiuxun Yin, Takashi Mizuno, Joel Le Calvez

International Meeting for Applied Geoscience and Energy (IMAGE)

... domain (a) and its associated amplitude spectrum of each trace (b). The phase distortion and ringing noise often vary case by case; thus, it can...

Seismic Stratigraphic Study of Two Oxfordian Carbonate Sequences, Eastern Saudi Arabia

George S. Langdon , Steven J. Malecek

AAPG Bulletin

... techniques throughout the interpretation. Seismic trace attributes (amplitude, frequency, and phase) and velocity provide quantitative, closely...

Uncertainty, Risk and Decision Management on the Ormen Lange Gas Field Offshore Norway, by Eirik A. Berg, Per A. Kjarnes, #40112 (2004).

Search and Discovery.com

Aeromagnetics of Southern Alberta within Areas of Hydrocarbon Accumulation

G.E. Leblanc,, W.A Morris

CSPG Bulletin

... magnetic response from each of the targets. In its broadest terms, this separation becomes an analysis of two factors: signal amplitude and response...

Seepage Characteristics of Fluids in Cross-Scale Unconventional Oil Reservoirs Based on Different CO2 Miscibility Degrees

Xiliang Liu, Hao Chen, Mingsheng Zuo, Weiming Cheng, Borui Li

Carbon Capture, Utilization and Storage (CCUS)

... of pore scale and multi-phase factors on the reservoir fluid seepage capacity is also quantitatively evaluated, expectations are put forward...

Fluid Prediction from 3-D Seismic Data in Deepwater Sandstone Reservoirs: Applications from Cocuite Gas Field, Veracruz Basin, Southeastern Mexico

Fouad, Khaled, Jennette, David C., Soto-Cuervo, Arturo

GCAGS Transactions

... were developed to improve the tie between amplitude and gas occurrence. Shallow buried sands are associated with lower well log impedance, and gas...

Chapter 8-part 2: Spectral Decomposition

Gregory A. Partyka, Michael D. Bush, Paul G. A. Garossino, Paul R. Gutowski

AAPG Special Volumes

.... Transforming data from time to frequency domain produces both amplitude and phase spectra. The phase is very useful for imaging lateral...