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The AAPG/Datapages Combined Publications Database

Showing 8,924 Results. Searched 200,619 documents.

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The Portents of Peak OilŽ; #120033 (2009)

James L. Smith

Search and Discovery.com

.... The Peak does not signal whether remaining resources are plentiful or scarce. 2. The Peak does not signal whether current prices are high or low. 3...

2009

Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)

Rob Vestrum

Search and Discovery.com

... for time and depth migration. With low fold in the near surface, low signal-to-noise ratios on the image gathers, and complex horizon geometries...

2015

Quantitative Formation Evaluation of Hith-Gotnia Evaporites by Integrating Logging-While-Drilling and Cased Hole Wireline Measurements, #41746 (2015).

Ali Abu Ghneej, Badruzzaman Khan, Pratik Sangani, Meshal Alwadi, Sanjeev S. Thakur, Omur Nohut, Abdullah Al-Hamad

Search and Discovery.com

... measurements are guided to match the lithology across this marker. This is done to eliminate the effect of casing and cement signal on the spectroscopy...

2015

Fluvially Generated Heterolithic Stratification as a Tool for Determining Process Dominance and Location in the Fluvial-Marine Transition; #51144 (2015)

Robert W. Dalrymple, Colleen E. Kurcinka, Bryce Jablonski, Aitor Ichaso, Duncan Mackay

Search and Discovery.com

... A situation farther inland, where the tidal signal is weaker… A situation farther inland, where the tidal signal is weaker… A situation farther seaward...

2015

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... for this is that the signal-to-noise ratio of the acquired data is very poor making many established processing techniques difficult to implement. In order to process...

2016

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... for this is that the signal-to-noise ratio of the acquired data is very poor making many established processing techniques difficult to implement. In order to process...

2016

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... domain, where the signal and noise have different characteristics. The spatially random noise uncorrelated from trace to trace can be attenuated...

2022

Case Study Results From the Integration of MEQ, TFI, and Surface Seismic Attributes.

Charles J. Sicking, Jan Vermilye, Alfred Lacazette, Ashley Fish

Unconventional Resources Technology Conference (URTEC)

... 80 to 200 milliseconds). Any lower amplitude signal that is continuous for long time durations greater than 500 milliseconds is not always detected...

2014

Advanced Deblending Scheme for Independent Simultaneous Source Data

M. Wang, Z.H. Chen, C. Chen, F.C. Loh, T. Manning, S. Wolfarth

Petroleum Exploration Society of Australia (PESA)

... the data. The coherency enhancement is used to extract a signal estimate and can be accomplished with many approaches, such as median filters, F-XY...

2016

Predicting the success of 4D projects in complex near-surface settings

Andrey Bakulin, Ilya Silvestrov, Hassan Salim

International Meeting for Applied Geoscience and Energy (IMAGE)

... in a quantitative approach, utilizing the Signal-Strength Estimate (SSE) model to link the final signal-to-noise ratio (SNR) of the seismic image with input...

2024

Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method

Taufiq Brilliant Askari, Intan Andriani Putri

Indonesian Petroleum Association

...Seismic Enhancement Resolution in Penobscot Field With Short-Time Fourier Transform Half Cepstrum Method Taufiq Brilliant Askari, Intan Andriani...

2022

High-Quality 3-D MicroCT Imaging of Source Rocks … Novel Methodology to Measure and Correct for X-Ray Scatter

Alexander Katsevich, Michael Frenkel, Qiushi Sun, Shannon L. Eichmann, Victor Prieto

Unconventional Resources Technology Conference (URTEC)

... of small, highly-absorbing beads between the source and the core, the primary X-ray signal through the beads is blocked, but the overall object scatter...

2018

Accurate Pore Size Measurement Via NMR On Unconventionals

Draga Veselinovic, Michael Dick, Derrick Green

Unconventional Resources Technology Conference (URTEC)

.... In addition, the NMR signal itself is dependent on temperature leading to errors in the reported porosity of up to 10-15%. In this work, we propose...

2019

A New Method of Fluid Identification from Nuclear Magnetic Resonance Logs, #41452 (2014).

Charles H. Smith, Layne Hamilton, Lynda Ziane

Search and Discovery.com

... of the logs and the signal decreases toward the bottom of the log. This seemed to be a very powerful technique for identifying the presence and type...

2014

Effective Delivery of Reservoir Compliant Seismic Data Processing; #42158 (2017)

Arash JafarGandomi, Henning Hoeber, Celine Lacombe, Vimol Souvannavong

Search and Discovery.com

... Modern seismic acquisitions deliver broadband seismic data containing 5 to 6 octaves of useable signal, starting just above 2 Hz. Modern surveys...

2017

Spectral hydrology: Resolution and uncertainty in multifrequency oscillatory hydraulic tomography

Jeremy R. Patterson, Michael Cardiff

International Meeting for Applied Geoscience and Energy (IMAGE)

... at a prescribed frequency. The recorded signal is represented by an arriving pressure sinusoid with amplitude and phase delay that can be described...

2022

Broadband Seismic Technology and Beyond: Part II: Exorcizing Seismic Ghosts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... depth with amplitude spectra from Vaage et al. (2005). The noisy low-frequency part of the geophone signal (53) is recalculated from the recorded...

2013

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... to attenuate during seismic acquisition. Therefore, advanced seismic processing technologies are critical for reducing the noise, increasing the signal...

2012

On-site XRF Analysis of Drill Cuttings in the Williston Basin

Nicholas Lentz, Russell Carr, Lance Yarbrough, Kathleen Neset, Brian Lucero, Tim Kirst

Unconventional Resources Technology Conference (URTEC)

... a fast signal acquisition time ranging from seconds to a few minutes. Currently, there are two types of XRF systems available: wavelength dispersive...

2014

A novel approach to estimating pressure depletion from 4D seismic softening signals along oil-water contact: A practical GoM application

Chen Bao, Luis Colmenares

International Meeting for Applied Geoscience and Energy (IMAGE)

... oil-water contact (OWC) signals. Methods 1., the softening signal stemming off a bright 3D amplitude area, representing an unproduced part...

2023

Full-Waveform Inversion Application on 2D Slanted Streamer Data - A Case Study

Andreas Waluyo

Indonesian Petroleum Association

.... Therefore, very low-frequency signal plays a critical role in the success of FWI processing. In the marine environment, seismic data acquisition using...

2014

Deep learning approach for denoising and resolution enhancement of poststack seismic data

Ruslan Malikov, Tatyana Yusubova, Izat Shahsenov

International Meeting for Applied Geoscience and Energy (IMAGE)

.... In this study, we present two novel unconventional methods for seismic image enhancement. We use a combination of deep learning and classical signal processing...

2024

Research on buried hill fracture prediction based on sweet spot attributes of gradient structure tensor in dominant frequency band

Min Gong, Bo Wang, Lin Wang, Rui Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... research. Firstly, dominant band filtering and structural-guided filtering are used to improve the signal-to-noise ratio of seismic data and enhance...

2024

Self-parametrizing seismic data processing modules: An example on coherent noise suppression

Simone Re, Ran Bachrach, Massimo Clementi, Collin Wilson

International Meeting for Applied Geoscience and Energy (IMAGE)

..., these undesired signals completely shadow the waves reflected by the deeper horizons that represent the useful signal used for generating the subsurface...

2024

Abstract: High Resolution 5D Interpolation: Measuring and Compensating for 5D Leakage; #90174 (2014)

Peter Cary and Mike Perz

Search and Discovery.com

... in the prestack data has been preserved, and the fear is that some resolution in the signal has been lost along with the noise. We present a general...

2014

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