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The AAPG/Datapages Combined Publications Database

Showing 661 Results. Searched 195,354 documents.

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ABSTRACT: Uncorrelated Data-Driven Vibroseis Deconvolution; #90051 (2006)

Peter I. Pecholcs

Search and Discovery.com

... includes useable harmonic distortion frequencies up to 150Hz (Figure 1). Using this signal to design an optimum inverse filter yields higher-resolution...

Unknown

Abstract: Stochastic Modeling of Inclined Heterolithic Stratification With the Bank Retreat Model; #90213 (2015)

Michael J. Pyrcz and Clayton V. Deutsch

Search and Discovery.com

... migration. This model is parameterized by hydraulic parameters and initialized with realistic channel stream lines from the dampened harmonic model...

2015

Wave-Dominated Shelves: A Model of Sand-Ridge Formation by Progressive, Infragravity Waves

B. Boczar-Karakiewicz, J. L. Bona

CSPG Special Publications

.... and Pilkey, O. H. (Eds.), Stroudsburg, Pennsylvania: Dowden, Hutchinson and Ross, Inc., Ch. 25, p. 601-620. Lau, J. and Barcilon, A. 1972. Harmonic...

1986

Chapter 10: Reservoir Modeling and Fluid-Flow Simulation, Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)

C.B. Forster, S.H. Snelgrove, J.V. Koebbe

Utah Geological Survey

... study performed using a sub-region of one the permeability models indicates that none of the simple averaging methods (arithmetic, harmonic...

2001

The Cardium Formation Production and Injection Database. Gas to Oil Ratios, Production Forecasting and GOR Risk Assessment, #51284 (2016).

C.A. Rojas-Aldana, F.F. Krause, R.O. Meyer

Search and Discovery.com

...) Exponential downturn in productivity lasting an average of six months. 3) Long term shallow harmonic decline in productivity AB AVG OIL PROD & IP3, HZTLS...

2016

Predicting ESP Lifespans With Machine Learning

Jessamyn Sneed

Unconventional Resources Technology Conference (URTEC)

... regression, decision trees, and high performance random forests (HP Forest). The best model, the HP Forest model, was selected based on average square...

2017

The Origin of Shape Frequency Distributions and the Relationship Between Size and Shape

Robert Ehrlich, P. Jeffrey Brown , Jeffrey M. Yarus , Robert S. Przygocki

Journal of Sedimentary Research (SEPM)

... is known as its harmonic amplitude. Previous studies have shown that, for detrital quartz particles, sufficient information is contained in the first...

1980

Developing Coal Bed Methane CBM Project as a Truly Sustainable Venture: Strategies, Technologies and Methodologies

Vilas Tawde, Ishaan Chellani, Rishabh Sharma

Unconventional Resources Technology Conference (URTEC)

... harmonic filters to mitigate the harmonics in the power system. The harmonic filters have increased the power efficiency by 10% and as tabulated...

2019

Fourier Analysis of the Laminated Facies of the Middle Bakken Member, Sanish-Parshall Field, Mountrail County, North Dakota, #50996 (2014).

Virginia A. Gent, Stephen A. Sonnenberg

Search and Discovery.com

... through the tidal cycle. MEMBER, SANISH-PARSHALL FIELD, MONTRAIL COUNTY, NORTH DAKOTA LAMINATION DATA SETS HARMONIC ANALYSIS FREQUENCY MODELING The FFT...

2014

Novel Approaches for the Simulation of Unconventional Reservoirs

Bicheng Yan, John E. Killough, Yuhe Wang, Yang Cao

Unconventional Resources Technology Conference (URTEC)

.... In Equation (2), Kapp is a harmonic average concept considering the weight from both matrix and fracture, so the impact of fracture permeability can...

2013

Sequence-to-Sequence (Seq2Seq) Long Short-Term Memory (LSTM) for Oil Production Forecast of Shale Reservoirs

Cristhian Aranguren, Alfonso Fragoso, Roberto Aguilera

Unconventional Resources Technology Conference (URTEC)

.... (1970) developed the timecorrelated model known as autoregressive integrated moving average (ARIMA). The model was introduced to make predictions...

2022

Application of Upscaling Permeability Workflow: Pore to Core Plug Scale on Malay Basin Thin Sections (Paper P6)

L. A. Lubis, Z. Z. Tuan Harith, K. A. Moh Noh, H. Khairy, A. Moh Salih

Geological Society of Malaysia (GSM)

...) and vertical (Kv) to bedding are calculated as weighted arithmetic and harmonic averages (Weber & Van Geuns, 1990), respectively, using the corresponding...

2012

Abstract: FX Singular Spectrum Analysis; #90171 (2013)

Mauricio D. Sacchi

Search and Discovery.com

... frequency. The signal in the FX domain is represented by the following harmonic spatial sequence AAPG Search and Discovery Article #90171 CSPG/CSEG/CWLS...

2013

The Effect of Grain Orientation on Fourier Shape Analysis

Stephen E. Tilmann

Journal of Sedimentary Research (SEPM)

... and fed into a Fourier analysis computer program that reduces the shape into their harmonic components. (For a complete discussion of the analytical method...

1973

Construction and Use of Maps of Curvature for Revealing Buried Platform Uplifts

A. B. Kogan

Petroleum Geology: A Digest of Russian Literature

... of harmonic analysis was applied for its solution. The method of variations proposed by B. A. Andreyev (1) is the most widely used and successful. This method...

1961

Heavy Oil Reservoir Characterization by Time-lapse Seismic and Rock Physics in a Cold Production Reservoir; #41448 (2014)

Naimeh Riazi, Laurence Lines, Brian Russell

Search and Discovery.com

... of the mineral. Here, Kfl is the fluid modulus and is given by the weighted harmonic average of the bulk moduli of the individual phases: Equation 2...

2014

Global climate change and its impact on disease embedded in ecological communities

Philippe A. Rossignol, Jennifer Orme-Zavaleta, Annette M. Rossignol

Environmental Geosciences (DEG)

... health and the function of human activity in influencing climate (McMichael et al., 1996). Climate, per se, is generally defined as the average...

2006

Effects of Porosity Models on Thermal History in Geohistory Models, #41392 (2014)

Alton A. Brown

Search and Discovery.com

.... Harmonic Average BTC = ∑ Li i =1 n i =1 Power Average = Li ∑ TC Averaging TC of heat flow normal to infinite layers, where L i are n n i...

2014

Permeability effects of deformation band arrays in sandstone

K. R. Sternlof, J. R. Chapin, D. D. Pollard, L. J. Durlofsky

AAPG Bulletin

... effective permeability can be calculated as the weighted harmonic average of kb and km. These analytical solutions are based on the general analysis of flow...

2004

A Review of Petrophysical Challenges in Pre-Salt Carbonate Rocks Requiring Sympathy, Synergy and Synthesis, #70364 (2018).

Patrick Corbett, Zeyun Jiang, Leonardo Borghi de Almeida

Search and Discovery.com

... and the harmonic average (Corbett et al., 2016). Synthesis Subsurface teams are required to synthesize all the data at their disposal to produce a series...

2018

Cascaded Sweeps- A Method to Improve Vibroseis Acquisition Efficiency: A Field Test

M. Benabentos, F. Ortigosa, N. Moldoveanu, P. Munoz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... a function of the signal-to-noise ratio in the area. For instance, if, based on evaluation of the harmonic energy in a certain area, it is considered nd rd...

2006

Abstract: Borehole Vibration Response to Hydraulic Fracture Pressure; #90187 (2014)

Andy St-Onge, David W. Eaton, and Adam Pidlisecky

Search and Discovery.com

... reveal distinct frequency peaks that change over the duration of the frac treatment. Research into harmonic vibration of pipelines and piping systems can...

2014

Modeling the Injection of Carbon Dioxide and Nitrogen into a Methane Hydrate Reservoir and the Subsequent Production of Methane Gas on the North Slope of Alaska

Nagasree Garapati, Patrick McGuire, Brian J. Anderson

Unconventional Resources Technology Conference (URTEC)

... mscf of gas were injected, which consisted of about 167.3 mscf N2 and 48.6 mscf CO2. Composition was controlled with an average injection ratio...

2013

Timely Understanding of Unconventional Reserves through Rate Transient Analysis … a Vaca Muerta Case Study

John M. Thompson, David M. Anderson, Daniel Nakaska, Matias Fernandez Badessich, Cameron T. Boulton

Unconventional Resources Technology Conference (URTEC)

... decline curve, incorporating (in sequence) transient (super-harmonic), stabilized (approximately harmonic) and exponential, respectively. The three...

2017

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