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The AAPG/Datapages Combined Publications Database

Showing 33,738 Results. Searched 197,438 documents.

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Electromagnetic Imaging of Oil and Gas Traps

Professor George V. Keller, M. Tahsin Tasci, John M. Jack Jordan

Montana Geological Society

... buildup may have deep seated causes that continue well into the basement. The effect of the mound on the overlying section is dramatic...

1996

Using Depletion-Zone Microseismicity to Understand Producing Volumes

Jonathan P. McKenna, Michael H. Grealy, Michael S. Blaz, Nathan M. Toohey

Unconventional Resources Technology Conference (URTEC)

... (r) and size/quality of the events (Signal to Noise Ratio (SNR)). Figure 1shows a plot of all three variables for all stages of the stimulated pad...

2016

Model-Based Type Wells Reduce Uncertainty in Production Forecasting for Unconventional Wells

Arjun Ravikumar, W. John Lee

Unconventional Resources Technology Conference (URTEC)

... in the cluster. We demonstrate the effect of the noise and the number of wells in the cluster, on the uncertainty of the forecast. We validate this technique...

2020

Abstract: Microseismic Signal Loss from Reservoir to Surface; #90187 (2014)

S. C. Maxwell, D. Raymer, M. Williams, and P. Primiero

Search and Discovery.com

... sensors, although this effect will not be discussed further here, it is well known and documented elsewhere. Stacking and potential signal-to-noise ratio...

2014

Application of Pressure-Derivative Approach to Pressure Buildup Analysis Using Normalized Pseudovariables in Badak and Nilam Field

Hayu Susilo Prabowo, Nico Hadinoto, B. E. Chovanetz

Indonesian Petroleum Association

... of pressure/time data. Several algorithms for differentiating data were tried to select the best algorithm which removes as much noise as possible without...

1989

Sandstone Imbrication Study in Planar Sections: Dispersion, Biasses, and Measuring Methods

G. S. Gibbons

Journal of Sedimentary Research (SEPM)

... of grains in thin section, the effect is to decrease parallelism if c-axes were originally random with respect to length; where there is a strong correlation...

1972

Relationship between mineralogy and porosity in seals relevant to geologic CO2 sequestration

Alexander M. Swift, Lawrence M. Anovitz, Julia M. Sheets, David R. Cole, Susan A. Welch, and Gernot Rother

Environmental Geosciences (DEG)

..., An investigation of the effect of pore scale flow on average geochemical reaction rates using direct numerical simulation, Water Resources Research, v. 48...

2014

Microseismic-Derived Ultimate Expected Fracture Half-Length in Unconventional Stimulated Reservoir Volume in a Multi-Fractured Horizontal 8 Well Full Pad„Canadian Horn River Basin Case Study

Claudio Virues, Jessica Budge, Eric Von Lunen

Unconventional Resources Technology Conference (URTEC)

... function (PDF) of a continuous random variable is a function that describes the relative likelihood for this random variable to take on a given value...

2015

Forecast Optimization and Value of Information under Uncertainty

William J. Bailey, Benoit Couet, Michael Prange

AAPG Special Volumes

... a noise-induced spike that is not a real solution). Unless one is deeply cognizant of the problem at hand, the nature of the solution surface almost...

2011

A Comparison of Clast Fabric and Shape in Late Precambrian and Modern Glacigenic Sediments

Julian A. Dowdeswell, Michael J. Hambrey, Ruitang Wu

Journal of Sedimentary Research (SEPM)

... from random at a 95% level of confidence (Woodcock and Naylor 1983). Unless water-laid sediments of glacial origin have been subject...

1985

Sensitivity analysis of geological rule-based subsurface model parameters on fluid flow

Honggeun Jo, Michael J. Pyrcz, Fabien Laugier, and Morgan Sullivan

AAPG Bulletin

... produced with further water injection. In contrast, a compensational stacking pattern has no such effect, producing more oil than random stacking...

2023

The Parana Basin, Brazil: Chapter 33: Part II. Selected Analog Interior Cratonic Basins: Analog Basins

Pedro Victor Zalan, Sven Wolff, Marco Antonio M. Astolfi, Ines Santos Vieira, Joao Claudio J. Concelcao, Valeria T. Appi, Eugenio V. S. Neto, Jose R. Cerqueira, Airton Marques

AAPG Special Volumes

... influences during the Mesozoic had a more profound effect on the Parana basin (especially in terms of the creation of structure) than the weaker westerly...

1990

A Multidisciplinary Approach to Reservoir Characterization of the Coastal Entrada Erg-Margin Gas Play, Utah (OFR-459)

Thomas H. Morris, John H. McBride, Will D. Monn

Utah Geological Survey

... it or right at the contact. The North Field also displays a similar relationship; however, it tends to be a little more random and not entirely visible...

2005

Optimizing Completion Designs for the East Texas Haynesville Utilizing Production Flow Allocations From Lower-Cost Fiber Optic Sensing DAS/DTS Systems

M. Weber, D. Weatherly, V. Mahue, R. A. Hull, K. Trujillo, R. Bohn, E. Jimenez

Unconventional Resources Technology Conference (URTEC)

... of the wellbore in an effort to discern their effect on production. Production allocation is then quantified for both individual stages...

2021

Handil 3D Seismic Acquisition - Challenging Seismic Acquisition in the Mahakam Delta Transition Zone

Michel Erbetta, Christophe Paulet, John Conant

Indonesian Petroleum Association

... contract. (Signal/Noise ratio, percentage of inactive hydrophones, loading depth, seismic coverage vs. surface conditions). This validation requires...

2012

A 10 kN portable electromagnetic vibrator for near-surface studies

Tim Dean, Hoang Nguyen

Petroleum Exploration Society of Australia (PESA)

... and compared their output levels for mono-frequency signals between 15 and 180 Hz using an oscilloscope. The noise levels were consistent, but the output...

2019

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

Tom Davis, Steve Roche, and Susie Mastoris

Fort Worth Geological Society

...", "halo"). There are two main components to be considered in computing the required aperture, dip effect and fresnel zone width. The dip effect...

1993

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

... in a down-thrown fault trap that make up the prospect; however, the up-thrown side experiences a problematic shadow effect. This cannot be explained...

2007

Abstract: Resolving The Discrepancies Between Vertical Seismic Profiles And Petrophysical Logs, At Least A Few Of Them; #90213 (2015)

John D. Logel and Rick Kuzmiski

Search and Discovery.com

... phase matching and exhibits a strong time varying effect. The easiest explanation for this is attenuation or ‘Q’. The concept of attenuation ‘Q’ has been...

2015

Expression of the Colorado Mineral Belt in Upper Cretaceous Niobrara Formation Source Rock Maturity Data from the Denver Basin

David J. Thul, Stephen A. Sonnenberg

Rocky Mountain Association of Geologists

... were available (generally only for analyses from the USGS-CRC), they were reviewed for common issues such as bimodal peaks, high noise-to-signal ratio...

2018

Diagnostic Applications of Borehole Hydraulic Signal Processing

Connor J. Clark, Jennifer L. Miskimins, Dana L. Gallegos

Unconventional Resources Technology Conference (URTEC)

... across many industries where they are a regular occurrence (due to the hammering noise they often make within pipes), however a more accurate...

2018

Simulation of Recovery Losses due to Positional Errors in Wellbore Placement

Stefan Maus, Jarrod S. DeVerse

Unconventional Resources Technology Conference (URTEC)

... simulator web application was developed to approximate the effect of wellbore positional error on reservoir drainage. The application requires input...

2016

Petrography-Porosity Relations in Carbonate-Quartz System, Gatesburg Formation (Late Cambrian), Pennsylvania

Richard E. Smith

AAPG Bulletin

... is considered to be random variation or noise. The rotated-component matrix also is represented in a simplified manner in Table IV, where the significant...

1969

Integrated Workflows for Drilling Optimization and Enhanced Production

Jakob Heller, Venkatesh Anantharamu, Andrew Lewis, Bruce Karr, Ron Bianco

Unconventional Resources Technology Conference (URTEC)

... resolve surface waves characterized by low velocity and low frequency. This benefits ground roll noise attenuation techniques that model and subtract...

2023

Demonstrating an Acceptable Level of Impact: An Assessment of Noise Impacts to Fishes from a Seismic Survey in an Australian Marine Park

Joe Edgell, Jeremy Colman, Samantha Jarvis, Ollie Glade-Wright

Australian Petroleum Production & Exploration Association (APPEA) Journal

...Demonstrating an Acceptable Level of Impact: An Assessment of Noise Impacts to Fishes from a Seismic Survey in an Australian Marine Park Joe Edgell...

2019

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