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The AAPG/Datapages Combined Publications Database

Showing 41,303 Results. Searched 191,995 documents.

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Application of the Analytical Hierarchy Process (AHP) to Determine Gas Allocation Under Shortage Condition

Arie Wisianto, A. Andriansyah

Indonesian Petroleum Association

... in the working area of Western Java Region, also acts as an operator of gas business activity in Western Java Region. The function of Gas Transmission...


The influence of benthic diatoms on the textures of carbonate-coated grains from a fluvial tufa spring in northern California

Hannah P. Boelts, Yadira Ibarra, Clive Hayzelden

Journal of Sedimentary Research (SEPM)

...) of a best-fit ellipse for each pore was quantified using the ImageJ software. The percent porosity was determined by dividing the total pore area (μm2...


Effect of Salt Domes on Accumulation of Petroleum

Donald C. Barton

AAPG Bulletin

... dip in the Gulf Coast ranges from 75 to 200 feet per mile. The "upthrust" of the salt core has domed the sediments quaquaversally in an area extending...


The Impact of Pore Geometry and Microporosity on Velocity-Porosity Relationship in Carbonates of Central Luconia, Sarawak; #41030 (2012)

Nor Sara Izzatti Bashah and Bernard Pierson

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...: dominant size (DOMsize), perimeter over area (PoA), gamma (γ), and aspect ratio (AR). PoA and DOMsize, in words, tortuosity of the pore system and the pore...


The Three Elements of Structural Geology Part 5, #41849 (2016).

Terry Engelder,

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... in the vicinity of the concretion does. For this example we consider the shale at a remote location relative to the concretion. Shale matrix compacts around...


Seamount Age Estimates from Paleomagnetism and Their Implications for the History of Volcanism on the Pacific Plate

William W. Sager

Circum Pacific Council Publications

... a of the underlying seafloor throughout this area, many of the seamounts between the western Pacific trenches and the Line Islands in the central Pacific...


Effect of Anisotropy on Apparent Resistivity Curves

Sylvain J. Pirson

AAPG Bulletin

...: 970 ohm feet From the preceding results, one should not generalize that the large axis of the anisotropy ellipse will always be in the stratification...


Physical Processes in the Ocean: Part 2: Relation of Oceanography to Sedimentation: PART 2

R. H. Fleming, Roger Revelle

AAPG Special Volumes

..., has a marked effect upon the physical conditions and the biological productivity. The types of sediments laid down in any area depend largely upon...


Orbital Forcing and Sedimentary Sequences

Alfred G. Fischer, David J. Bottjer

Journal of Sedimentary Research (SEPM)

..., specifically the Earth's precession, the oscillation in its axial obliquity, and its orbital eccentricity relative to the orbital ellipse...


Shape difference of mud clasts depending on depositional facies: application of newly modified elliptic Fourier analysis to hybrid event beds

Sojiro Fukuda, Hajime Naruse

Journal of Sedimentary Research (SEPM)

... Fourier descriptors (EFDs) as bellow: where Hn is nth harmonic ellipse (Fig. 1C) and takes following form: where is the maximum number of harmonic...


Static connectivity of fluvial sandstones in a lower coastal-plain setting: An example from the Upper Cretaceous lower Williams Fork Formation, Piceance Basin, Colorado

Matthew J. Pranter, Nicholas K. Sommer

AAPG Bulletin

...), Coal Canyon, Colorado, with comparison to the Piceance Basin subsurface, Cretaceous sand body geometries in the Piceance Basin area of northwest...


Structural Analysis of Sedimentary Basins: An outline of a 3-hour short course presented to the New Orleans Geological Society, April 29, 1981

Dr. John C. Crowell

New Orleans Geological Society

... caused by stress. Force: (External) compression, tension, couple, torsion. Stress: Internal force per unit area; a tensor quantity. Shear and normal...


Predicting Realistic Natural Fracture Distributions Using Structural Modelling - Best Practice Workflows for Evaluating Prospects and Targeting Sweet Spots in Unconventional Reservoirs

Euan Macaulay, Cathal Reilly, Hugh Anderson, Heike Broichhausen, Alan Vaughan, Roddy Muir, Colin Dunlop

Unconventional Resources Technology Conference (URTEC)

... models by considering the geological evolution of an area. Introduction Natural fracture systems form a key control on the development and location...


Dip or Strike? … Complimenting Geophysical Sampling Requirements and Acquisition Efficiency for Towed Streamer Marine Seismic

Martin Bayly, Low Cheng Foo, Michelle Tham, M Nabil El Kady, Saeeda Hydal, Thomas Olanrenwaju Ajewole, Nigel Seymour, Satyabrata Nayak, Bidyut Chowdhury, M Faizal Idris, Sandeep K Chandola, M Iqbal Supardy

Indonesian Petroleum Association

... the geophysical objectives. The study area is located in shallow to deep water offshore Malaysia. The survey shape is rectangular with its longer axis...


Structure of Local Uplifts of Eastern Cis-Caucasus - Method for Studying and Exploring Them

S. P. Malkin

Petroleum Geology: A Digest of Russian Literature

... Cretaceous, and individual sandstone strata of the Maykop formation and the Neogene. The area of an uplift on a horizon was determined using the formula F...


ABSTRACT Numerical Modelling of the Time-Lapse EM Response of a CO2 Injection in a Deep Saline Aquifer Using Metallic Casings for the Current Injection, #90103 (2010)

Bernard Bourgeois, Jeremy Rohmer, Jean-François Girard

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... CO2 injection (“global” differencing). Numerical simulations are presented for a generic model representative of an area in the SE of the Paris Basin...


HydroFracture Monitoring Using Vector Scanning With Surface Microseismic Data, #41459 (2014).

Quansheng Zhang, Zhanchun Ren, Bintao Zheng, Lei Wang, Shigang Yang, Beiyuan Liang

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... amplitude(A) of 3 components relative to half of measurement range(223), that is (2) Table 1 shows the relationship between A and quality of data...


Spectral Balancing of Seismic Data Using Spectral Decomposition; #41976 (2017)

Satinder Chopra, Kurt J. Marfurt

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... improves vertical resolution but destroys relative amplitudes. We discuss an amplitude-friendly method for flattening the amplitude spectra of the input...


Seismic Data Conditioning for Identification of Sand Dunes in the Early Jurassic Nugget Formation in the Moxa Arch; #51639 (2020)

Dhruv Agrawal, Sumit Verma, Subhashis Mallick

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... analogical relative location of wells A and C in a dunal/ interdunal deposit area. (b) My picture with an outcrop in the Arches National Park which...


Understanding the Trade-offs in Drilling the Perfect Horizontal Well

Keith C. Oren

Unconventional Resources Technology Conference (URTEC)

... in a remote area in Canada with very little well control; the closest offset well was more than a mile away. The operating company did have 3D seismic over...


Application of Photo-electric Cell to the Measurement of Pebble Axes for Orientation Analysis

W. C. Krumbein

Journal of Sedimentary Research (SEPM)

... on the photocell window. An amplifying unit and milliammeter record the relative area of the shadow. As the pebble is rotated about the vertical axis...


Abstract: Simultaneous P-P and P-S Waveform Inversion Algorithm Using Pre-Stack Time Imaging Method ; #90187 (2014)

Hassan Khaniani, John C. Bancroft, and Eric von Lunen

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... by Nexen Inc in Canadian NE-BC region. To learn about the data acquisition parameters and geological settings of the study area the reader is referred...


Morphology, Internal Structure, and Reversal of Asymmetry of Large Subtidal Dunes in the Entrance to Gironde Estuary (France)

Serge Berne , Patrice Castaing , Eliane le Drezen , Gilles Lericolais

Journal of Sedimentary Research (SEPM)

.... The study area is in the transition zone between ebb-dominated (downstream) and flood-dominated (upstream) dune fields, where the tidal ellipse is almost...


Study of Channel Morphology and Infill Lithology in the Wilcox Group in Central Louisiana in using Seismic Attribute Analysis

Feng Chen, Gary L. Kinsland

GCAGS Transactions

... of Seismic Attributes In this study area, optimal selected attributes that can help to map channels are similarity, curvature, sweetness, relative acoustic...


Using Microseismicity to Understand Subsurface Fracture Systems and to Optimize Completions: Eagle Ford Shale, TX

John Detring, Michael Grealy

Unconventional Resources Technology Conference (URTEC)

...; Wessels et al., 2011; Williams-Stroud et al., 2011). The SHmax observed on the World Stress Map nearest the study area is ~N25E, about 20° off...


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