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The AAPG/Datapages Combined Publications Database
Showing 33,738 Results. Searched 197,438 documents.
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 PadCanadian 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