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The AAPG/Datapages Combined Publications Database

Showing 34,455 Results. Searched 200,293 documents.

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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

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

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

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

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

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

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

A statistical method-based approach for frequency-varying residual phase detection and correction

Longxiang Han, Rongwei Xu, Chengliang Wu, Huazhong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the profile resolution. We also tested this method on noisy data, demonstrating a certain degree of robustness even when the signal-to-noise ratio...

2024

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

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

Seismic Acquisition in the Papuan Fold Belt: A New Approach

G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo

Papua New Guinea (PNG) Petroleum Convention Proceedings

...) Coherency filter Bandpass filter AGC (1000msec) Figure 4. Bridging along the experimental seismic line 95-01. to improve the ratio of signal to noise...

1996

Geomechanics of the Microseismic Response in Devonian Organic Shales at the Marcellus Shale Energy and Environment Laboratory (MSEEL) Site, West Virginia

Erich V. Zorn, William Harbert, Richard Hammack, Abhash Kumar

Unconventional Resources Technology Conference (URTEC)

... dimension to 42 feet in the minimum dimension. To minimize error we excluded all microseismic events with a signal to noise ratio < 2. Stratigraphically...

2017

Integrating Geology and Petrophysics Into Seismic Interpretation for Reservoir Definition and Improved Field Development: A Case Study From the Banuwati Field

Dave Atkins

Indonesian Petroleum Association

... of approximately 280 km2 acquired in 1993 and re-processed in 1998 to derive various angle range stacks and improve resolution and signal to noise at the reservoir...

2005

Fault Interpretation Problems in the Southeast Barrow Sub-Basin

R. K. Whyte

Petroleum Exploration Society of Australia (PESA)

... traces, will degrade the signal-to-noise ratio of the stacked traces and limits the ability of the stack to suppress multiples, but in good data areas...

1994

Application of deghosting method based on Greens theorem in reservoir description of Bohai Bay

Shaoxuan Li, Jiangfeng Zheng, Lei Gao, Zhiping Zhao

International Meeting for Applied Geoscience and Energy (IMAGE)

... by reflection from sea level. The ghost wave severely limits the frequency band width of the primary reflection wave and reduces the signal-to-noise ratio...

2022

A Simple Guide to Seismic Amplitudes and Detuning

Ashley Francis

GEO ExPro Magazine

... to geological changes, including lithology or dependent tuning – usually just called tuning. hydrocarbon fluid effects. Geophysicists show the effect of tuning...

2015

Focal Mechanism Determination and Stress Inversion for Induced Seismicity Related to Shale Gas Hydraulic Fracturing

Yuyang Tan, Jun Hu, Zhengguang Zhao, Lei Li

Unconventional Resources Technology Conference (URTEC)

... for determining the focal mechanisms show a good signal-to-noise ratio. Therefore, we consider that the effect of the noise is negligible and only investigate...

2019

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

...: Interactive event digitization of a pre-stacked CMP gathered record, which involves picking as many "hyperbolic" events as possible Event editing...

1992

Hydraulic fracture characterization by integrating multidisciplinary data from the Hydraulic Fracturing Test Site 2 (HFTS-2)

Zhishuai Zhang, James DiSiena, Dimitri Bevc, Ivan Lim Chen Ning, Yunhui Tan, Laura Swafford, Mike Craven, Kelly Hughes, Andrea Vissotski

Unconventional Resources Technology Conference (URTEC)

... coverage and high spatial sampling rate with adequate signal-to-noise ratio. This facilitates the identification various seismic phases, which can be used...

2021

Seismic Array Response in the Presence of Intra-Array Variations in Element Weights, Elevations, and Positions; #42328 (2018)

Ryan Adhi Putra, Abdullatif A. Al-Shuhail

Search and Discovery.com

... of the receivers in an array. In terms of reflection seismology, the main purpose of seismic receiver (element) array is to increase the signal-to-noise ratio (S/N...

2018

Seismic impedance inversion via neural networks and linear optimization algorithm

Bo Zhang, Yitao Pu, Ruiqi Dai, Danping Cao

International Meeting for Applied Geoscience and Energy (IMAGE)

... if the seismic data has a high signal-to-noise ratio. Introduction Post-stack seismic impedance inversion is a process of transforming recorded seismograms...

2024

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