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The AAPG/Datapages Combined Publications Database

Showing 33,054 Results. Searched 195,354 documents.

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Drilling Using AvO to Reduce Uncertainties in D35 Infill

Meh Jabeen Zainuddin

Geological Society of Malaysia (GSM)

... to noise ratio . RESERVOIR CIIB2 The Cycle II B2 reservoir is made up of thick and laterally extensive stacked channel sands. Well data has...

1998

Compensating for Seismic Absorption for Orthogonal Shooting Field Data: A Case Study on NW Tunu Area, Indonesia

Doddy Iqbal Biramandita, Vishal Kumar, Wayne Zanussi, Jacques Bonnafe, Natalia Anggriani, Cepi M. Adam, Didiek Bhudy Prabowo

Indonesian Petroleum Association

... to 112.5; azimuth 4: 112.5 to 157.5). 5D interpolation increases the Signal/Noise ratio, cleaning the image and four azimuthal sectors helps us...

2016

AVO Attribute Analysis for Gas Hydrate in Shenhu Area; #41228 (2013)

Rui Yang, Nengyou Wu, Zhibin Sha, and Jinqiang Liang

Search and Discovery.com

.... For improving the Signal to Noise Ratio (SNR) of seismic data, amplitude preservation Kirchhoff pre-stack migration has been applied to the 3-D seismic...

2013

Exploring Geophysical Exploration

Carl H. Savit

Houston Geological Society Bulletin

... significance. Improving the signal-to-noise ratio will provide better structural sections and will allow the production of acoustic transform sections...

1989

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

...-to-noise ratio, use of global gridded 3D tomography can give greater efficiency and very reliable results. Defining variable anisotropic parameters via...

2015

Abstract: Improving Reservoir Imaging with Time-Lag Fwi in the Partitioned Zone Between Kuwait and Saudi Arabia; #91204 (2023)

Art Petrenko, Trevor Coulman, Guangfu Shao, Ibrahim Hakam, Mohammed Almutairi, Sujoy Ghose, Kai Zhang

Search and Discovery.com

..., leastsquares migration further improved gather and image quality, with fewer migration artefacts present and improved coherency and signal to noise ratio...

2023

Fracture characterization and modeling from virtual outcrops

G. Casini, D. W. Hunt, E. Monsen, and A. Bounaim

AAPG Bulletin

... interpretation of fractures from virtual outcrops. We present a benchmarking exercise between a previously proposed automated fracture picking method...

2016

Geologic Considerations for Stratigraphic Modeling and Interpretation: Section 3. Stratigraphic Models from Seismic Data

L. D. Meckel Jr. , A. K. Nath

AAPG Special Volumes

... envisioned. The practical boundaries of this potential resolution are yet to be evaluated, and depend on signal-to-noise ratio, frequency content...

1977

ABSTRACT:MULTICOMPONENT OBC (4C) PRESTACK TIME IMAGING OVER PAMBERI, LRL BLOCK, OFFSHORE TRINIDAD

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... the limited crossline aperture of the single swath, a 3D approach to the processing yielded improved signal-to-noise and better continuity of events...

2007

3-D AVO Analysis and Modeling Applied to Fracture Detection in Coalbed Methane Reservoirs

Antonio C.B. Ramos, T.L. Davis

Rocky Mountain Association of Geologists

... to be more significant for S-waves than for P-waves. However, the signal-to-noise ratio constraints on pre-stack data are also larger in S-wave data when...

1997

Optimal transport for elastic source inversion

Tyler Masthay, Björn Engquist

International Meeting for Applied Geoscience and Energy (IMAGE)

... in Figure 2 show the landscapes for additive Gaussian noise with a signal-to-noise ratio (SNR) equal to 0.1. While the W2 landscape remains almost invariant...

2023

Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data

Paul L. Stoffa

Circum Pacific Council Publications

... by addition (summation or stacking) to produce a seismogram with an improved signal to random and coherent noise ratio (Figure 3). Seismic exploration has been...

1989

Parsimonious Deconvolution

Jon F. Claerbout

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in a while. On a root mean square basis, the signal-to-noise ratio is about thirty. Figure 1 shows the results of the parsimonious deconvolution...

1980

The Application of Semi-supervised Geobody Detection Technique using Multiple Seismic Attributes in Petroleum Exploration; #41165 (2013)

Lei Li, Xianhua Ran, Chunfeng Tao, Zhonghong Wan, and Shifan Zhan

Search and Discovery.com

.... For example, Davis (1986) developed an unsupervised K-means clustering to segment the seismic trace shapes where the Signal Noise Ratio(SNR...

2013

Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and Discovery.com

..., source types with different phase responses, etc. To see the effect of noise on phase, consider data in the frequency domain. At a given frequency f...

2015

Abstract: Black Box Recording of Passive Seismicity: Pitfalls of not Understanding your Acquisition Instrumentation and its Limitations; #90187 (2014)

Ted Urbancic and Andreas Wuestefeld

Search and Discovery.com

... signal-to-noise ratios. As a result, only when these recording effects are taken into account can the analysis of recorded signals be considered...

2014

Australian Exploration Geophysics--Current Performance and Future Prospects

K. G. McCracken , G. Buselli

AAPG Special Volumes

... effect on the S/N ratio for the other classes of noise. Because spatial noise varies with position, it can be reduced relative to the target signal...

1981

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

Mahdi H. Almutlaq and Gary F. Margrave

Search and Discovery.com

... surface-consistent design equations are similar to those for surface-consistent deconvolution except that the data term is the spectral ratio of two surveys...

Unknown

ONSHORE APPLICATIONS OF 3-D SEISMIC TECHNOLOGY 3D DATA ACQUISITION

Tom Davis, Steve Roche, and Susie Mastoris

Fort Worth Geological Society

... estimation, accuracy of statistical processes and improvement of signal/noise ratio. The azimuthal distribution of the fold is important depending...

1993

Fundamental 3-D Seismic Survey Design

Stuart Wright

Rocky Mountain Association of Geologists

... be half the fold required for 2-D data. Rather than being based on the mathematical improvement of signal to noise achieved by 3-D migration...

1995

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... a plane wave decomposition rather than a slant stack Tau-p transformation. The method also requires that the signal to noise ratio in the data...

2000

Abstract: Integrated Analysis for Fracture Identification During Hydraulic Fracturing; #90224 (2015)

Alice Guest, Estelle Rebel, Sean M. Bailly, Jelena Kostadinovic

Search and Discovery.com

... the stage stimulation. Microseismicity is shown by circles colored according to the SNR (signal to noise ratio). Microseismicity that occurred during...

2015

Prospect Investigation and De-Risking Using Cognitive Interpretation Workflows, Offshore Equatorial Guinea, #30507 (2017).

Tom Wooltorton, Stephen Leslie, Merritt Smith, Rachael A. Moore

Search and Discovery.com

... was lightly applied to increase the signal to noise ratio.  Spectral whitening improved the vertical resolution. Original 12.4km 4300ms 5500ms...

2017

Seismic attributes for enhancing structural and stratigraphic features: Application to N-Field, Malay Basin, Malaysia

Nur Shafiqah Shahman, Norazif Anuar, Mohamed Elsaadany, Deva Prasad Ghosh

Geological Society of Malaysia (GSM)

... volume by applying a spatial filter to diminish background noise and to aid the spatial continuities of a seismic signal. • Edge detection - finding...

2021

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