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The AAPG/Datapages Combined Publications Database

Showing 208 Results. Searched 194,691 documents.

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Williston Basin Symposium

... of a time variant adaptive filtering process. After several different tests, the principles, which were described by Griffiths et...


Highlights of 3D Surveys, Offshore Sarawak

H. J. E. Schmidt

Southeast Asia Petroleum Exploration Society (SEAPEX)

... interpretations, special acquisition parameters (dense infill shooting) and special processing routes were attempted. For example, time variant scaling...


Seismic Data Acquisition and Processing in the Midway-Sunset Oil Field

C. R. Willingham, A. S. Wylie Jr., D. J. Underwood

Pacific Section of AAPG

... Migration Velocity Analysis NMO application Muting Stack TAU-P (Noise reduction) Digial Filter - time variant Trace scaling: AGC = 500 ms...


First Seismic Survey in Indonesia For The CCS Project Using Vibroseis as a Non-Explosive Seismic Source

Takeshi Kozawa, Nobuhito Shimada, Masami Hato, Alfian Bahar, Awali Priyono, Rachmat Sule, Stevanus P. H. Silban, Toshifumi Matsuoka, Toru Takahashi, Takao Aizawa, Isamu Kuboki, Alphius D. Guntara

Indonesian Petroleum Association

... Adaptive Time Variant Filter) is effective. DATVF scales the amplitude of the noises which exceed the defined threshold in particular time gates...


R&D into Time-Lapse 3-D Seismic with Analogue Sandbox Models

Don Sherlock

Petroleum Exploration Society of Australia (PESA)

...R&D into Time-Lapse 3-D Seismic with Analogue Sandbox Models Don Sherlock RESEARCH & DEVElOPMENT R&D Into Time-lapse 3-D Seismic With Analogue...


Processing and Interpretation of 2-D Seismic Data from the Bighorn Basin, Wyoming

David J. Taylor

Wyoming Geological Association

... Residual Statics Corrections (as required) Time Variant Bandpass Filtering Signal Enhancement This processing sequence yielded seismic sections...


Benchmarking Operator Performance in the Williston Basin using a Predictive Machine Learning Model

T. Cross, K. Sathaye, K. Darnell, D. Niederhut, K. Crifasi

Unconventional Resources Technology Conference (URTEC)

... knowable when the well was URTeC 2750 11 fracked -- completions, spacing, and geology. Notably, time-variant and operational features were...


A Technology to Extract Lithology, Porosity and Hydrocarbon Content from Conventional Seismic Data

Roger A. Young

GCAGS Transactions

... a different distribution of offsets making them spatially variant. Stacks are also time variant as the average incidence angle is influenced by the mute...


Two-Dimensional Geophysical Workstation Interpretation: Generic Problems and Solutions: Part 8. Integrated Computer Methods

Joe D. Stevens, Carl A. Marrullier

AAPG Special Volumes

... to that horizon, thus allowing for time variant adjustments. These conveniences allow the explorationist to concentrate on interpretation and decision...


Evidence of Post-Pleistocene Faults on New Jersey Atlantic Outer Continental Shelf: GEOLOGIC NOTES

R. E. Sheridan , H. J. Knebel

AAPG Bulletin

... true-amplitude recovery, normal-moveout correction, vertical summation of 2 on 1, CDP-gather velocity analysis at every 3-km spacing, time-variant...


Lithostratigraphic Interpretation of Seismic Data for Reservoir Characterization; #90017 (2003)

Mahesh Chandra, A. K. Srivastava, V. Singh, D. N. Tiwari, P. K. Painuly

Search and

...) the expected relationship may be time variant and expected to be less valid outside the training windows. These reasons suggest the application...


Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and

... time-shift noise caused by time-variant changes in the near-surface layer above the receivers. This noise is present in the removed down-going or ghost...


Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)

Amr Ibrahim

Search and

... in the frequency domain. Unfortunately, the best Radon basis that fit the data use hyperbolic or apex shifted hyperbolic travel times which are time variant and so...


Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)

Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto

Search and

... FWI iteration, which apply specific wavelets to different OBC shots and streamer shots. In FWI iteration, time-variant phase shifting is implemented...


Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)

Emil Blias

Search and

.... Velocity replacement time-variant correction are calculated and applied to prestack gathers. This allows us to significantly remove the influence...


The Fabric, or Internal Structure, of Rocks … The Patterns of Anisotropy; #42188 (2018)

Heloise B. Lynn

Search and

.... These two SH-SH reflection lines happened to lie in the principal planes of the anisotropy and exhibited a time-variant (dynamic) mis-tie at the tie point...


Recent Advancements in Mechanical Earth Modeling at Farnsworth Unit, Texas, USA, #80722 (2020).

Robert Balch, Robert Will, Marcia McMillan,

Search and

... is under way with separate funding. The objective of the stress project is to incorporate indirect time variant observations of stress, such as time...


Mass-Spring-Damper System as the Mathematical Model for the Pattern of Sand Movement for an Eroding Beach Around Digha, West Bengal, India

A. Chakrabarti

Journal of Sedimentary Research (SEPM)

... in the present case as time variant, as it should be, although the net beach material was partially influenced by the influx of sediments from dunes and other...


Seismic and Geologic Characteristics of Drowning Events on Carbonate Platforms(1)


AAPG Bulletin

... some of the multiple energy. Normal moveout correction was followed by a 60-fold stack, and the data were then filtered with a time variant filter...


Seismic Stratigraphy of Baltimore Canyon Trough

John S. Schlee

AAPG Bulletin

... correction, vertical summation of 2 on 1, horizontal stack, and time-variant filtering. Twelve-fold processing was done on the parts of the line where...


Hydrocarbon Habitat of the Cooper/Eromanga Basin, Australia

A. J. Kantsler, T. J. C. Prudence, A. C. Cook, M. Zwigulis

AAPG Special Volumes

... Lake area, southern Nappamerri Trough. Present-day geothermal gradient 5.6°C/100 m. Maturation successfully modeled with time variant dog-leg...


Burial-history Modeling of the Jonah Field Area: An Unusual and Possibly Unique Gas Accumulation in the Green River Basin, Wyoming

Robert J. Coskey

AAPG Special Volumes

... that the observed, relatively high Ro data at the Wagon Wheel well can be explained using a higher paleoheat flow, several time-variant heat-flow scenarios...


Shallow Water Seismic Operations on the North West Shelf

T. J. Allen, D. Brown, J. Wardell

Petroleum Exploration Society of Australia (PESA)

... to be attenuated by the single operator designature, as is very evident when Figures 4 and 5 are compared. The solution chosen was to apply a space and time variant...


Developing a New Technique Through Partnering with Contractors: Reservoir Prediction Utilizing AVO Walkaway VSP Data to Calibrate Surface Seismic Gathers, a Case Study in Indonesia

Patricia L. C. Henderson, Dan Hampson, Scott Leaney, Nigel Smith, John Rice, Dave Boreham

Indonesian Petroleum Association

... compensation, especially at the target zone. Acoustic time-variant Q factors can also be determined from the well. This is a better method than data...


Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

... are affected. During the stacking process the PS data grouped at a CCP must be split up in time because the CCP location is space and time variant...


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